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11:00 | Multi-disciplinary and value creating international standards - latest news from ISO/TC67/WG4 Reliability engineering and technology SPEAKER: Runar Østebø ABSTRACT. The industry presentation will provide key latest news from Multi-disciplinary and value creating international standards - latest news from ISO/TC67/WG4 Reliability engineering and technology. This work group is responsible for reliability and cost related ISO/TC 67 standardization activities for the entire Petroleum, petrochemical and natural gas industries. |
11:15 | The Implementation of ISO 55000 in Small and Medium Enterprises: Requirements and Constraints SPEAKER: Ibifuro Ihemegbulem ABSTRACT. In 2014 the International Standardisation Organisation (ISO) responded to the increasing demand from asset managers to provide a structured and comprehensive standard to improve the effectiveness of assets within an organisation. The new standard ISO 55000 is comprehensive and detailed with capability for supporting the coordinated activities of an organisation in its quest to realise value from assets through, among others, improved financial performance and improved maintenance strategies. This allows the organisation to improve its decision-making, balance costs, risks and performance. The aim of this paper is to examine the compositions of ISO 55000 and identify the key elements necessary for its successful and economically feasible implementation. The study, is the last stage of a three year PhD programme, that consist of part of the research analysed data with asset managers and asset maintenance personal within SMEs to obtain a set of key issues which need to be addressed. In addition, the paper highlights the need for the development of an effective and efficient approach that makes the adoption and implementation of ISO 55000 suitable for small to medium enterprises. This new approach addresses several inherent constraints often faced by small companies when adopting new manufacturing and maintenance initiatives. |
11:30 | Successful Asset Management Strategy Implementation of Cyber-Physical Systems ABSTRACT. With the onset of the breakthrough innovations in Industry 4.0, digitalisation is expected to improve the value creation from industrial assets. A fundamental in Industry 4.0 is to virtually represent technical objects such as machines and production plants in cyber-physical systems (CPS). As a concrete Norwegian initiative based upon these opportunities, the on-going research project CPS Plant is expected to contribute to improved production performance both in manufacturing and production companies. CPS plant will develop and implement enabling technologies and methods for Norwegian Industries where CPS will integrate the virtual world with the physical world. To support this ambition for the Norwegian Industry, the development of a successful asset management strategy implementation in CPS Plant should be regarded as relevant. With a sound asset management strategy implemented, coordinated activities in the organisation should realize value from assets. Today an own framework for CPS Plant has been developed and is expected to be fundamental for further research activities in CPS Plant. The aim in this article is to propose an asset management strategy implementation roadmap that will support implementation of CPS plant in Norwegian manufacturing and production companies. The results in this article will be further tested and evaluated by Norwegian industry. In particular, the asset management strategy will be based on fundamental organisation theories as well as experiences from the project. The article concludes that all though the Asset Management Strategy Implementation will be tested in Norwegian companies, it remains to evaluate how this strategy should be “adjusted” for similar implementation in other countries. |
11:45 | Development of modern maintenance management strategy for complex manufacturing assets ABSTRACT. Modern manufacturing organizations are designing, building and operating large, complex and often ‘one of a kind’ assets, which incorporate many different electrical, electronic, hydraulic and mechanical systems and components. Due to this complexity and the need to react quickly to changes in production, there is a need for more advanced strategies to ensure effective and efficient high maintenance and high availability. Modern maintenance strategies including Total Productive Maintenance and Reliability Centred Maintenance (RCM) have proven successful. With the increase in complexity and a large number of interconnected components, however, the use of one single strategy may not provide the necessary detailed system to support a maintenance task selection. The paper will propose that for complex assets with a large number of systems, a new framework will be proposed utilising RCM, and include additional supporting systems, including Value Stream Mapping and Cost Benefit Analysis. |
12:00 | Design for intelligent maintenance: A potential reference standard complies with industry 4.0 requirements ABSTRACT. The cost and profitability related to operation and maintenance phase is signifi-cant for several industrial applications. Thus, the first proactive maintenance management action is to design/out the maintenance work by designing out the critical failure modes and causes. The dependability standards (IEC 60300) pro-vides the framework and methodology to design for maintainability at project phase. However, the risk that physical asset will fail is always there as there are changes in the operating and loading conditions, which might initiate new failure modes. The philosophy of industry 4.0 is to develop smart asset to enable a real-time monitoring of the dynamic asset behaviour. In this context, the dependabil-ity standards (IEC 60300) need to be updated to consider the technical require-ments that support the intelligent maintenance process. Therefore, the purpose of this paper is to present a potential reference standard related to “design for intel-ligent maintenance” that comply with industry 4.0 requirements. This work illus-trates the progress toward a unified standard body for dependability in industry 4.0, which might lead to significant changes in the current state of the art in de-signing industrial assets. For example, among the 80,000 sensors that are at-tached to modern oil and gas platforms, a few ones are generating data for health monitoring and maintenance purposes, the majority applied for detecting opera-tional anomalies and control. |
11:00 | SPEAKER: Guicang Peng ABSTRACT. Equipment management is gradually becoming more decentralized, and in many cases, the equipment owner, operator, maintainer and inspector are not the same legal entity. This slows down equipment data transmission between stakeholders and reduces business and technical process automation. In this paper we dis-cussed the use of a distributed ledger concept and propose to use private block-chain together with smart contract to resolve these challenges and to create a more automated and surveillance-free equipment lifecycle management process. |
11:15 | A participatory approach for developing decision support systems for building energy plants ABSTRACT. Building energy plants generate, consume and transfer a large amount of en-ergy to deliver various services, such as heating, cooling, lighting and elec-tricity. In large buildings, these energy plants can be complex to manage op-timally. Decision support systems are useful tools for aiding managers, how-ever, they too can also become overly complex. Participatory approaches for decision support system development and application are suggested in litera-ture for overcoming this issue. This paper presents the foundations of a wider research project that is applying participatory techniques in the development of a decision support system at a hospital energy plant. A generic integrated building energy plant optimisation model is formulated and expressed using problem domain language with the aim of promoting participation from stake-holders, such as facility managers or maintenance personnel, that do not nec-essarily have modelling expertise. While the formulation is targeted towards modelling the plant’s operational behaviour and decisions, the paper de-scribes how it can be used in a decision support system for aiding short-, me-dium- and long-term decisions of facility managers – highlighting again the model’s flexibility to meet stakeholder requirements elicited using participa-tory techniques. The project’s case study site, Lady Cilento Children’s Hospi-tal in Queensland, Australia, is introduced along with the planned methodolo-gy for participatory development of the decision support system. Finally, fu-ture directions are proposed for both further research and practical applica-tions of the contributions. |
11:30 | Drilling performance management through reliability-based optimization ABSTRACT. Mineral commodity prices have declined in recent years. This decline forces mining companies to find effective cost management strategies to sustain their operations. Otherwise, many operations will be ceased or suspended. Effective equipment utilization has strong potential to reduce operational costs. Furthermore, unexpected events or failures during the operation may not be properly considered in production scheduling. This affects the subsequent production process and causes operational delays; hence, the operation cost increases. Equipment condition is a key element to reach the desired production rate. This paper focuses on optimization of reliability parameters to improve the performance of the machine associated with its condition and calculation of drill bit consumption accordingly. Multiple input factors, such as operating parameters, operation time and maintenance time, were considered and controlled simultaneously to simulate drilling operation by stochastic modeling technique, using historical data. A case study was carried out using discrete event simulation (DES). Multiple simulations were used to quantify risk. The research outcomes show that the proposed approach can be used as a tool to assist production scheduling and asset management. |
11:45 | Lifespan long spare component stock need estimation for obsoleting fleet by simulation ABSTRACT. In this study a computer simulation model was built for making predictions about the fleet availability and spare part stock development concerning the whole life span of the fleet. The computer algorithm included algorithmically the corporation fleet running, repair, transport and storage rules. All event durations have been assumed to be stochastic that is random but evolving from the specific distribution. Failure probability distribution functions for the simulation were generated from the historical data of the components of the systems of the fleet. As a contribution, this study introduces a method of estimating failure probability density function for each failure count individually. This approach makes possible to capture the effect of actual repair process to the probability of the next component failure in simulation. |
12:00 | Estimating MTTF of a component based on spare parts consumption data ABSTRACT. In this paper we consider the situation where the OEM of a repairable system wants to estimate the mean time to failure (MTTF) or lifetime distribution of a given component of the system so as to forecast the demand of spare parts in a given time interval or to optimize the maintenance policy of the component. The OEM does not have field failure data of the component but has the installed base information of the systems and the spare parts consumption information of the component. Due to lack of field failure data, the failure-time-based approach is no longer applicable. To overcome this difficulty, we propose a novel approach to es-timate MTTF of the component based on spare parts consumption data. The pro-posed approach is based on the assumption of Weibull renewal process and a modification for the asymptotic renewal function, and provides an accurate esti-mate of MTTF with a relative error of smaller than 2.1%. In addition, it is found that MTTF obtained under the exponential distribution assumption is a consider-able overestimate when the observed time interval is relatively short. One real-world example is included to illustrate the appropriateness and usefulness of the proposed approach. |
13:45 | Bearing Failure Prediction Technique using Exponential Moving Average Crossover Threshold with Support Vector Regression and Kernel Regression SPEAKER: Andy Tan ABSTRACT. An early accurate prediction of remaining useful life (RUL) is essential for improv-ing the machine reliability and prevents system failure. This study proposes an ef-ficient technique to evaluate the health state of bearings and estimate the RUL. It employs the Exponential Moving Average (EMA) crossover technique to actively anticipates an upcoming failure trend of the bearing and the support vector regres-sion (SVR) to constantly predict the RUL of the bearing while its health state is still within the EMA crossover threshold. Once the health state of the bearing exceeds the EMA crossover threshold, Kernel Regression (KR) technique along with SVR will be utilized to instantly predict the failure point and estimate the RUL of the bearing. The effectiveness of the model is validated by experimental data collected from the Center for Intelligent Maintenance Systems (IMS). The proposed prognos-tic technique shows an effective early failure prediction with great accuracy in com-parison to the common model. |
14:00 | Bearing fault diagnosis based on the variational mode decomposition technique ABSTRACT. This paper presents a fault diagnosis technique for rolling element bearings based on a combined de-trended fluctuation analysis (DFA) and variational mode decomposition (VMD). DFA is used first to filter out the uncorrelated trends in a non-stationary time domain signal acquired from bearing condition monitoring. The analysis can reveal the long range correlation existed within the data series, and is used to determine the number of modes K for VMD decomposition. The VMD then decomposes the CM signal into K band-limited intrinsic mode functions (BLIMFs) and the fault relevant BLIMFs are selected based on DFA for the re-construction of the filtered signal. The result shows that the de-noised signal after VMD decomposition can detect an incipient bearing defect from a low signal-to-noise ratio (SNR) condition monitoring data. |
14:15 | Rotating Machines Performance Estimation with Adaptive Canonical Variate Analysis ABSTRACT. An adaptive multivariate process modelling approach is developed to improve the accuracy of traditional canonical variate analysis (CVA) in predicting the performance of industrial rotating machines under faulty operating conditions. An adaptive forgetting factor is adopted to update the covariance and cross-covariance matrices of past and future measurements. The forgetting factor is adjusted according to the Euclidean norm of the residual between the predicted model outputs and the actual measurements. The approach was evaluated using condition monitoring data obtained from an operational industrial gas compressor. The results show that the proposed method can be effectively used to predict the performance of industrial rotating machines under faulty operating conditions. |
14:30 | Clarifications of dangerous detected failures of low demand safety instrumented system in the oil & gas industry ABSTRACT. Demand mode is often used to describe safety instrumented functions whose functionality is only performed on demand and demand rate is low. Many critical safety functions are designed as on-demand systems. Periodic tests and inspections are usually applied to reveal failures. Current studies on the systems’ reliability are focused on retrospective failures instead of future failure modes. Prognostics studies of on-demand systems face many challenges, among which is the inability of predicting future states of the systems. The study uses a data-driven approach to implement prognostics and health management (PHM) tasks on systems with demand modes. The paper examines how periodic tests influences system reliability and how test interval could be evaluated and defined. The application of PHM to on-demand systems can help enhance company’s confidence in system reliability and develop predictive maintenance practices. The approach can also be used as a practical tool for supporting decisions related to extension of shortening of test intervals. |
14:45 | Predictive Analytics Combining Multi-Stream Data Sources ABSTRACT. Complex utilities such as power distribution, nuclear reactors or large water networks employ multiple data sources to provide key information regarding asset performance and condition. These include operational logs and fault tracking, SCADA real-time output, work and financial transactions, and a wide variety of formats of inspection and condition monitoring data. Traditionally these data sources serve different parts of the organisation and are rarely integrated to provide a holistic view of the current operational capability of the asset portfolio. To integrate this data requires a complex view of the assets, linking network or functional connectivity with regional locations to build up an understanding of how the extensive fleet of assets must work with each other to achieve the operational objectives. This view needs to consider the variety of asset types, each with their own specifics for attribute data which must be utilised in an age-based appreciation of where assets lie with respect to through life consumption of condition and deterioration from as-designed performance. This paper reports progress in a rules-based approach to handling data from a range of utilities, where the rules form part of the design of systems to handle the multiple data stream and complex configuration. Such systems determine current and future risk profiles associated with condition and performance. The ensuing reports identify sources of high risk across thousands of individual assets in multiple systems, plus recommend appropriate windows in which work may be scheduled to address the risk. Using rules, the approach is designed to be agnostic as to type of utility or its operational purpose. The assessment of future risk is subject to scenario testing for different utilisation profiles plus the benefit of change-out of major assets. A system may have its overall life extended with judicious investment of key components which have low reliability and the failures stress the overall system. Hence the outcomes of this work include both short-term responses for immediate repairs as well as longer term planning for capital renewal. |
13:45 | Condition assessment of Norwegian bridge elements using existing damage records SPEAKER: Andreu Regué Barrufet ABSTRACT. The Norwegian Public Roads Administration (NPRA) has recorded bridge element damages in a database for all the bridges it manages since the 1990s. This paper presents a comparison of three methods to establish element condition based on damage records. The methods consist in a non-parametric procedure based on the worst damage registered in the element, linear regression considering also bridge and road characteristics data and classification through an artificial neural network. The methods are assessed using a set of 159 bridges inspected in 2016. |
14:00 | Gas-liquid Ratio Imbalance Indicators of a Fighter Aircraft Shock Absorber ABSTRACT. An oleo-pneumatic shock absorber of a fighter aircraft loses some of its nitrogen charge and oil fill over time, due to leakage through seals. Usually, only gas can be added to shop absorber in line maintenance. This creates an imbalance to the ratio between gas and oil, and affects both the damping and the stiffness of the shock absorber. Measuring the gas and liquid content inside a shock absorber is infeasible. Thus, other variables that can act as indicators of an imbalance, must be identified. Field measurements are expensive and time consuming. Therefore, a coupled model of a fighter aircraft landing gear and its shock absorber is created. Using the model, landings with different sink speeds and aircraft masses has been simulated. Simulations with a standard, and later imbalanced, gas-liquid ratio are conducted. Results from these simulations are discussed and presented here, and variables that can be used as indicators of this imbalance are identified. |
14:15 | Economic life-cycle indicators for public school buildings ABSTRACT. Costs prediction throughout the life cycle of building projects is supported by the life-cycle-cost (LCC) concept, encouraged by several international and regional standards (e.g. ISO 15686-5, EN 15643-4, EN 16627), procurement guidelines and regulations (e.g. the European Directive 2014/24/EU). However, public procurers of building projects still face difficulties regarding the costs estimation and time ratios of systems and components over the life-cycle of building facilities. Public databases with the adequate quantity and quality of economic information is needed. The existing ones often present problems such as those of inadequate data granularity, incompleteness, inaccuracy or data structures with formats that make comparison and extrapolation difficult. This paper addresses these problems and proposes a standardized structure for economic data collection throughout the whole life-cycle of building as well as economic life-cycle indicators. A case study related to 160 public school buildings constructed in Portugal since the 1940s is presented as to show the potential application of the proposed structure towards widespread use of the LCC concept in public procurement environments. |
14:30 | Exploitation of Compressed Natural Gas Carrier Ships in the High North ABSTRACT. There are huge reserves of hydrocarbons in the Arctic region. However, owing to the harsh climate, darkness, problems with communication, long distances, lack of infrastructure and other challenges, offshore operations related to hydrocarbon extraction are more difficult and more expensive. Nowadays, gas extracted from the Arctic shelf is transported mainly by pipelines and liquid natural gas (LNG) carriers. Both methods are quite expensive. In this paper we consider the application of innovative compressed natural gas (CNG) technology to transport gas extracted from the hydrocarbon fields in the Arctic. The technology is not widely commercially used yet. The calculations show that the gas transportation costs using CNG carriers are lower than those using LNG carriers and pipelines for smaller gas fields and distances from the source to the consumer up to 4000 km. The paper would be interesting for practitioners from the oil and gas and shipbuilding industry, policymakers and scholars. |
14:45 | Condition-based lifetime prediction as result of calculated component loads ABSTRACT. Availability of offshore systems immediately affects operational costs and is therefore an important performance indicator. In order to ensure high system availabilities, failures of equipment must be avoided. This is especially important for offshore equipment due to slow spare part supply and high repair costs at the usually remote deployment locations on the open sea. A detection and thus prevention of failures can be achieved by applying condition monitoring systems on relevant system components. Since condition monitoring usually requires elaborate and therefore costly sensor infrastructure, this paper presents a method that aims to acquire condition information of gearbox components of ship-mounted offshore crane winches by using only already available and easily accessible external load information, such as motor torque, wave height and carried payload. Since the condition of machine elements depends on the experienced load history, simulation models are built up in order to create transfer functions, which determine the local component loads based on the external loads. Especially for offshore cranes typically equipped with Active Heave Compensation (AHC) systems, the drivetrain loads depend highly on the wave-induced motion of the ship and subsequently of the crane. To be able to take these influences through transfer functions into account as well, a ship dynamics model is implemented to predict the crane motion based on the wave motion and basic ship dimensions. With the local component loads available, each component’s health status based on fatigue can be estimated by applying component lifetime models. In combination with the system reliability structure of the entire winch drivetrain, the overall system failure probability can be derived from the estimated components’ failure distributions. Furthermore, critical components can be identified, monitored and replaced in time to avoid unplanned downtime of the equipment. |
15:30 | THE ROLE OF STAKEHOLDERS IN THE CONTEXT OF RESPONSIBLE INNOVATION ABSTRACT. The participation of multiple stakeholders in the innovation process is one of the assumptions of Responsible Innovation (RI). This partnership aims to broaden visions, generating debate and engagement. Under this premise, the present study sought, based on a meta-synthesis, to evaluate how the stakeholder participation in RI takes place. For that, were identified qualitative case studies that studied the participation of stakeholders in processes of responsible innovation. Those studies have shown that, although participation is achieved when innovation is already in the process of being implemented or already inserted in the market, it serves as a basis for modifications, both in the developed product and in the paradigm of innovation. Based on the concept of Responsible Innovation and its dimensions, the role of stakeholders in the context of innovation is restricted to substantively motivated participation, for example where political choices can be legitimately coproduced with audiences, incorporating an authentic diversity of knowledge, values, and social meanings in a substantive way. The agents that stimulate their participation are academic researchers and researchers linked to multi-institutional projects. It is noticed that the studies favor the participation of multiple stakeholders. Policymakers (including funding agencies, regulators and executives), business / industry representatives (internal or outsourced innovation departments and / or some R & D base); (such as foundations, associations, social movements, community organizations, charities, media), as well as researchers and innovators (affiliates of various institutions and organizations at different levels). One point that stands out is the change of vision of one stakeholder over the other. Although it is pointed out the difficulty in the dialogue, it is possible, by inserting them collectively in the discussion, that the different stakeholders develop a better understanding of the different points of view. |
15:45 | Different Perspectives for Combining Exploration and Exploitation Strategies SPEAKER: Leila Beig ABSTRACT. In the twenty first century, more than any other time in the firm’s history, companies are under the global competitive pressures in a context that is widely dynamic and consequently makes them encounter a huge number of unpredictable changes. Leaders of firms, on one hand face the immediate pressures of delivering value to increasingly sophisticated and globally diverse customers while accelerating the return on these efforts for financial stakeholders and on the other hand, strategic leaders must identify and prepare for disruptive technologies and emerging market opportunities over the long-term. Therefore, combining two different innovation strategies, exploration and exploitation is a huge challenge for managers and leaders of the companies. The aim of this paper is to find different perspectives for combining these two strategies in companies. The literature review shows that this phenomenon forms a new type of organizations so called ambidextrous organizations. Therefore, this paper’s main focus is on this sort of organizations, various studies and research around this concept as well as recommended strategies for resolving the associated conflicts. It is discussed that there are distinct logics behind this concept which each has a very influential effect on the next decisions and behaviors of organizations. In this paper, based on the literature review, eight perspectives are extracted and described and at the end a comparison of different strategies regarding their logic and main focus has been presented. |
16:00 | Household Energy Consumption Prediction using Evolutionary Ensemble Neural Network ABSTRACT. Low-voltage local electricity intelligent management is an essential portion of smart grid research. Thereinto, a precise prediction of domestic energy consumption is a pivot in establishing household / neighbourhood energy management system to achieve local smart solutions including consumption auto-balancing, micro generation and storage system, and neighbourhood energy sharing. Recent years, a large amount of literature has evolved on the use of artificial neural networks (ANNs) for electric load forecasting. Various ANN topologies and training methods are employed and discussed. However, the solutions are generally developed as case by case studies. The advised network configuration for each specific problem is commonly selected through empirical or enumerative approaches. Furthermore, the inherent defects of neural networks like local optimum are also necessary to be considered conscientiously. In this paper, a novel evolutionary ensemble approach is presented to pool and select proper neural network topologies and training methods to forecast domestic energy consumption efficiently. The approach utilizes an evolutionary method to select and multiply better performed network individuals in a network pool to optimize prediction quality. Forecast results demonstrate that the approach achieves a more accurate energy consumption prediction comparing with commonly utilized neural network configurations in a feasible time duration. At the same time, the proposed approach conduces to bypass the ANN local optimum problem. |
16:15 | Asset Management in the transition from ‘Traditional Business Practice’ to ’Connected Business Eco-Systems’ ABSTRACT. In many industrial sectors we have already begun to see how new business ecosystems gradually emerge turning the traditional business practices upside down. Particularly within relatively conventional sectors, such as upstream oil and gas (O&G) and land-based process industry, we expect to see substantial changes in the years to come. The change is partly driven by the modern technology (r)evolution and partly by new operational scenarios. These trends will have a major long-term impact within asset engineering and management due to growing demands for smarter, safer, and efficient asset portfolios. To succeed with this, salient features and capabilities of the core technology platform need to be considered, both within the IT domain (Office Network) and the OT domain (Process Control Network). This is both necessary and essential to succeed with a new philosophy of a modern connected business eco-systems within asset management. In this paper, we give some analysis and reflections on challenges with current core technology platforms for the oil industry, based on previous experiences from various operation and maintenance improvement projects on the Norwegian Continental Shelf, as well as several topside new-build projects (O&G platforms). Thereafter, we perform a critical analysis and creative reflections on latest research and practices related to the use of core technology platforms towards creation of New generation business processes enabled by Industry 4.0. Lastly, two examples from Integrated Operations (IO) on the Norwegian Continental Shelf are given to show how the business ecosystem for recent industry could be changed, identifying critical features and elaborating on operational principles. |
16:30 | Predictive Life Cycle Forecasting: Innovative Decision-Making for Complex Asset Management in the Naval Environment ABSTRACT. Australia’s warships and submarines are collectively the most complex, critical and expensive warfighting assets within Defence’s inventory. Asset managers make decisions where beneficial short-term effects may cause unforeseen long-term repercussions leading to increased life cycle costs, decreased (or lost) capability and reduced operational availability that affect the operations and maintenance profile across each usage and upkeep cycle. Predictive life cycle forecasting provides an objective and empirical method to quantify budgetary requirements based on estimated future effects to operational readiness and seaworthiness. The life cycle forecast is a key component of each vessel’s as-set management plan and records the operations and maintenance profile across the asset’s service life by establishing requirements for products and services needed to support the vessel within the prescribed asset management system. Predictive life cycle forecasting initially begins with establishing a baseline life cycle model that amalgamates contiguous operational running periods and scheduled maintenance activities across multiple usage and upkeep cycles to provide a time-phased representation that projects expected costs, operational availability and capability baselines from commissioning to disposal. Variable phases, states and modes provide the means to adjust model parameters to probabilistically characterise options available to asset managers when evaluating and assessing various scenario outcomes. An interactive model can pro-vide asset managers with immediate feedback based on options explored with-in the model. Using each vessel’s life cycle model, predictive life cycle fore-casting can provide a consistent and logical method for systematically updating asset management plans. Robust and comprehensive predictive life cycle fore-casting supports asset management decision-making to more accurately optimise warships’ and submarines’ availability, capability and affordability across the life cycle. As a fully scalable method, it can be applied to a single vessel, class of assets or to the collective fleet as a fundamental technique to support Fleet Life Cycle Management. |
15:30 | How fire fighters use robots to reduce risk and save lives - KVS Technologies ABSTRACT. With an excess of 1100 road tunnels, Norway has the highest density of road tunnels in the world. Fire fighters are left with a great task, to save us from the inferno as tunnels get longer and deeper. Tactical decisions needs to be taken quickly, based on the available information, and robots has proven to be an effective tool to gain situational awareness to reduce risk and increase efficiency. This presentation will share key elements of how robots can empower humans in demanding applications. |
15:45 | Toxicity Limit States in Tunnel Fire Designs? SPEAKER: Ove Njå ABSTRACT. Abstract: The Mont Blanc tunnel fire March 1999 killed 39 persons, of which most of them died within 15 minutes due to intoxication. In Norway there have been several fires the recent seven years. No single road-user has died from intoxi-cation in those fires, in spite of being engulfed with smoke for more than 1.5 hours. The tunnel safety discourse amongst tunnel owners and also researcher’s turns towards questioning whether current longitudinal ventilation strategies can be used to design the tunnel system to meet the self-rescue principle. The Norwe-gian Public Roads Administration could in this perspective reduce its effort to in-vest in safety measures ensuring safe havens for road users trapped in smoke and other fire preventive measures. We are very critical to such a development of tun-nel fire safety. This paper raises questions about predictability of smoke disper-sions in case of tunnel fires as well as human tolerability of toxic gases from fires. We conclude with issuing designs of research studies to increase gaps of knowledge revealed in the literature. |
16:00 | From detection to prevention SPEAKER: Geir Inge Lerang ABSTRACT. The use of traffic related data to detect risk situations and ways to intervene. |
16:15 | A tool to asses learning processes to realize the principle of cooperation in emergency services SPEAKER: Gabriela Bjørnsen ABSTRACT. A strategy for cooperation in emergency management has been developed and po-litically agreed upon by the Rogaland County Council, Norway. This region con-sists of many different actors within societal safety and emergency management. The strategy aims at strengthening the existing cooperation, establishing profes-sional centres and further developing competencies in their emergency response ef-forts within the region. The region has more than twenty road tunnels either in the planning phase, under construction or in operation. The emergency services have established a new organisation of their cooperation to ensure coordination, learn-ing and supervision. This relates both to exercises and real event operations. An important tool in this respect is a recently developed handbook for cooperative ex-ercises. The book is used in planning, execution and follow-up of all cooperation exercises. In this paper we present our evaluation model for following up the co-operation exercise guidelines, with special attention to events in road tunnels. We employ a learning model that extends the notion of learning from observed chang-es to also include confirmation and comprehension of cooperation activities. |
16:30 | Tunnel safety from a holistic perspective - the Norwegian view ABSTRACT. The Norwegian Tunnel Safety Cluster (NTSC) was incorporated into the Norwegian Innovation Clusters (NIC) programme in June 2016, and formally established in November of the same year. The cluster defines "tunnel safety" based on a holistic perspective that addresses both the prevention of unwanted incidents and the mitigation of consequences when road-, rail- and metro-related tunnel accidents occur. The goal is to develop a sustainable and innovative cluster with the aim of commercialising solutions for improved tunnel safety in Norwegian and international markets. This will contribute towards safer tunnels and fewer accidents, which is vital to road users, the fire and rescue services, the transport sector and local communities everywhere. The cluster has expanded vigorously since its incorporation into the NIC programme in June 2016. On the day of the application it comprised 69 participants, but now we have more than 100 companies, 8 R&D/academic and innovation centres, and 11 public organisations, including the emergency services. |
15:30 | Life extension upgrades solution for Gears and Bearings in Wind Turbines ABSTRACT. REWITEC® is an independent, medium-sized business that develops an innovative nano- and micro-particle based additive technology. This technology uses lubricants for surface treatments in engines, gears and bearings in industry sectors like, WIND ENERGY, INDUSTRIAL, MARITIME & AUTOMOTIVE applications. The active components of the coating concentrates are in a constant upgrading process in close cooperation with science and practice for years, like, with the University of Giessen, the competence center of Tribology Mannheim - Germany and Sentient Science, a 3rd party, which is working with the Department of Defense and NASA and the wind power industry worldwide. The abrasion and the wear of tribological systems like bearings, gearboxes and combustion engines and similar units is a key issue when it comes to service life and sustainable functionality. The latest presentable test results can be obtained from the test, over the wear development on a gear tooth over a period of 2 years. The gearbox of the wind turbine was after over 10 years of operation prophylactically treated against tribological wear such as micro pitting, and seizing of surfaces. The analysis was documented with the aid of surface imprints before and after the application of the selected tooth flanks, where operational wear and in the foot area seizing and stray metallic particle run through marks were visible. Another illustrative test is the FE-8 test. It’s used to examine lubricating oils and greases with regard to their wear and friction behaviour under lubricant and bearing-specific influences. To assess the suitability of the lubricant to be tested, the friction and temperature behaviour and the wear is determined in conjunction with the resulting weight loss of the bearings in the test arrangement. The tests also allow the creation of surface measurements and lubricants and reaction layer analyses. Method: How REWITEC® works: 1. The REWITEC® silicone coating DuraGear® W100 is conveyed via a lubricant into the gearbox, bearing or engine and gets in this way to the stressed metal surface. 2. As a result of the crystalline temperatures that arise in live operation, the product’s coating particles react with the molecules of the metal surface and the chemical/physical process is set in motion. 3. On the basis of this chemical bonding, the rubbing metal surfaces gain a ceramic quality, producing a new, corrosion-resistant metal/ceramic surface. In the process, the material properties in relation to friction and wear improve appreciably, whereas the lubricant properties remain unchanged. The wind turbine was inspected again. Prior to that time, the wind turbine was able to reach different load conditions. Then, a second and third imprint could be taken at the corresponding tooth flanks of the wind turbine. Treatment with REWITEC® after 4 weeks: • Stray metallic particle run through and seizure are greatly smoothed out • Run through marks and pitting are greatly smoothed out Results: The Results after a treatment with REWITEC® after 2 years showed following: • Less stress for the tooth flank • Reduction of the surface roughness and friction force • Improved load carrying capacity The improved surface structure of the tooth flank and bearings should substantially increase the life of the gearbox system. The practical results confirm the scientific studies at the above-mentioned research-institutes. The result of the FE-8 test has additionally been positive. By the test once without REWITEC® and once with REWITEC® resulted the evaluation: - Light run marks and smoother surface - 17% less wear with the REWITEC® treated lubricant Also a test of Sentient Science with its DigitalClone® technology predicts that a Winergy 4410.2 gearbox treated with REWITEC® DuraGear® W100 has a significant improvement in life than untreated gearbox and representative turbine operating conditions. Specifically, for bearings, REWITEC’s DuraGear® W100 treatment is expected to improve the overall contact fatigue life by a factor of 3.3. For gears, REWITEC’s DuraGear® W100 treatment is expected to improve the overall fatigue life by a factor of 2.6. Conclusion: REWITEC® main applications are gears and bearings in wind turbines. Through the development of a special surface treatment concentrate based out of nano- and microparticles, REWITEC® focuses on the long-term running of engines and gearboxes and thus contributes a decisive impulse to sustainability and energy efficiency. Scientific studies demonstrate the effectiveness of REWITEC® products. Less friction and surface roughness in tribologic systems means: • Less stress and wear for the gearbox and bearings • Higher efficiency • Less stress for the lubricant • Higher reliability and availability, no downtime • Cost savings • Longer Lifetime |
15:45 | Dynamic and modular business models for maintenance ABSTRACT. Business models describe the way a company creates, delivers and assimilates value. Value can be offered as a physical product, a real or virtual service, or as the combination of products and services. Business models based on combined offers, such as the Integrated Product-Service Systems concept orientated toward selling product functionality instead of selling products, are gaining increased attention. With more complex production environments maintenance must be viewed as a value-adding service, but this requires new business models and new ways to design service agreements. Maintenance has traditionally been regulated based on fixed price on predefined work, which represents a product-centred view on service. A value-oriented contract form is based on the performance or utility maintenance can provide. Many companies have not yet understood the business opportunities that could be achieved by providing maintenance services, and efficient strategies for enabling these opportunities are lacking. Moreover, many believe that you have to choose either or, thus either one provides product-oriented maintenance or value-oriented maintenance. This paper proposes an integrated, dynamic and modular approach to maintenance business model development. Modular-based maintenance offerings classify maintenance services with increasing integration of the offering, and increasing focus on utility for the customer and the customer’s customer. Moreover, modular-based maintenance offerings allow for flexibility; one does not have to choose between the product-centred or utility-centred business models. Instead, the offering is packaged based on the available internal resources and key capabilities of the service provider which are matched against specific customer needs. The dynamics of the maintenance offerings are the time and scope dimensions describing the boundaries in which maintenance execution could take place at the customer. |
16:00 | A Risk Indicator in Asset Management to Optimize Maintenance Periods ABSTRACT. Different methodologies are nowadays employed to identify failure events in in-dustrial process, allowing the decision makers to choose appropriate technical and organizational safety measures. The treatment of data in order to prevent dan-gerous events may affect significantly the diverse analyses and is reflected in the final results. Quantification risk analysis is therefore one of the most critical areas in asset management (AM) as stated in the ISO 55000. In the same way, intelli-gent risk management should be one critical challenge of the Industry 4.0, since nowadays and by using new technologies, it is possible to gather large amounts of data extrapolated from the physical assets. With all the above, this paper is intended to understand uncertainty, trying to re-duce the risk of dangerous events by the treatment of big data. Particularly, a time window is obtained showing minimum and maximum thresholds for the best time to apply a preventive maintenance task, together with other interesting statis-tics. |
16:15 | Topology-based model of survivability in Network Utilities SPEAKER: Juan F. Gómez Fernández ABSTRACT. Our society-increased dependence on utilities performance fosters the need for this infrastructures resilience. Especially in networks utilities, costs of incidents can enormously propagate throughout the network, affecting numerous customers and impacting business results, image and reputation. At present, measures of resiliency or survivability are not properly established within utilities. In this work, we first present a review about existing approaches to tackle network utilities survivability; then, focusing on graph theory principles, a new model is proposed to evaluate this feature. The model allows the comparison of different networks’ survivability, and may serve as a valuable tool to support networks services management along their life cycle. |
15:30 | High-Confidence Signal Validation to Support Condition-Based Sensor Recalibration SPEAKER: Jamie Coble ABSTRACT. Online monitoring (OLM) analyses data collected during plant operation to support non-intrusive calibration and health assessment for nuclear power applications. OLM provides technical and economic advantages over current time-based inspection practices in the current fleet of light water reactors and can improve the viability of future small modular and advanced reactor designs. Although the OLM concept has been generally accepted by the Nuclear Regulatory Commission, OLM implementation in US power plants is currently limited due to technical constraints associated with the predictive uncertainty quantification necessary to meet regulatory requirements. A Bayesian inference technique has been developed to accurately quantify uncertainty in OLM predictions with applications here to sensors calibration assessment. Various optimization techniques are explored for hyperparameter estimation for the Bayesian inference model. |
16:00 | Degradation Management at Nuclear Power Plants ABSTRACT. Maintenance at nuclear power plants, and in many other industries, is usually performed by time-based schedules or after specifications from equipment manufacturers and by monitoring the condition of equipment. Research at IFE addresses condition-based maintenance with prognostic estimation of the degradation of process components and calculation of remaining useful life (RUL) based on measurements and selection of health indicators for the components. Prognostic models have been developed through case studies for air and sea filters at nuclear power plants and choke valves from off-shore industry. Physical models for plant thermal performance have been developed for monitoring and optimizing operation using data reconciliation. With increasing amounts of data and new methods to analyse large and complex data sets using machine learning and big data analytics, the new technologies are now being used to solve numerical problems that previously would require high performance computing and at considerable cost. Currently many of the nuclear power plant worldwide are reaching the lifetime they were designed and licensed for, and many of them have started a process to extend the operational lifetime of these plants. Historic measurement data gives knowledge about degradation of process components, and increased understanding of degradation mechanisms can be utilized for maintenance plan optimization. Equipment health indicators from various sources will be combined to analyse the condition of safety related and non-replaceable components to estimate the future condition of the plant. Both physical and statistical methods can be combined in hybrid models, where possible, to carry out the calculations. |
16:15 | US Department of Energy Light Water Reactor Sustainability Program ABSTRACT. The Light Water Reactor Sustainability (LWRS) Program is a research and development (R&D) program sponsored by the U. S. Department of Energy (DOE) and performed in cooperation with the related R&D programs of the nuclear industry and the U.S. Nuclear Regulatory Commission (NRC). The LWRS Program provides technical foundations for licensing and managing the long-term safe and economical operation of current nuclear power plants. The LWRS Program has two facets: (1) understand and manage the aging of nuclear power plant systems, structures, and components (SSCs) and how to best manage them so that the plants can continue to operate safely, efficiently and economically; and (2) deploy innovative approaches to improve economics and economic competitiveness of plants in the near term and in future energy markets. The program's R&D role addresses issues that require long-term research and unique expertise and facilities to address a broad range of operating reactors. The LWRS Program demonstrates a number of the issues facing asset owners and operators of power generation facilities both as they age and as they encounter new challenges in commercial markets over their lifetimes, and how science-based solutions can be used as a means to ensure their continued safe operation. |
16:30 | Digital Twins, a new step for long term operation of nuclear power plants ABSTRACT. Digitalization is one of the key technology to improve safety and performance of Nuclear Power Plants (NPP). EDF has initiated research and development in this field for more than 10 years and some tools are now commonly used by EDF operators. They cover outage management (use of virtual reality for outage preparation, 3D visualization of plant maintenance and upgrade…), human performance in operation (plant field workers mobile technologies, augmented reality to improve situation awareness, advanced training…), advanced plant control automation and digital architecture (fab lab for design and fast checking of future concept of operation…), as well as on-line equipment and process monitoring. Now the new challenges are to develop “twin reactors” which are digital models fed by on-line data from operation and to benefit from data analytics science which made great progress during the last years. EDF has engaged new programs in these fields that will support long term operation of most critical nuclear equipment. A first development, dedicated to a 1:3 scale model of a NPP containment is now operational. It gives an idea of the technical challenges to handle before deploying such technology for EDF fleet. |
15:30 | Condition and performance monitoring of emergency shutdown systems: data visualization and analysis for decision support ABSTRACT. Layer of protection analysis is a popular risk assessment tool to study severe hazard scenarios quantitatively in petroleum industry sector. Human interventions and performances are normally included in the analysis. Human beings may function as independent protection layer (IPL) or serve part of the protection layer functions during the prevention of specific hazards. A natural gas transportation pipeline section with redundant shutdown systems is studied. The forms and impacts of human activities influences with regard to related protection layers are identified and analyzed. The paper studies how independent condition based performance monitoring systems could play as a performance shaping factor that may affect human interventions in terms of detection of deviation, decision-making and response. Implementations of LOPA with and without condition monitoring systems are carried out to reflect the influence. |
15:45 | The Dynamic Risk Simulator – A decision support tool for rotating equipment integrity management ABSTRACT. Asset management is a dynamic process. In such a dynamic operating environ-ment, it is quite challenging to keep track and visualise asset integrity-associated risks. One of the main concerns for all assets is keeping unexpected downtime to a minimum thereby maintaining highest availability. An application, Dynamic Risk Simulator (DRS), was developed to simulate the lifetime of single-unit repairable systems. Purpose of this application is to be able to capture reliability parameters based on equipment age and maintenance/repair history. The application uses proven statistical methods in combination with practical input from maintenance engineers from a Maintenance Modification & Operations (MMO) organization (Apply Sørco AS). The application calculates availability dynamically while vary-ing input parameters within select preventive maintenance strategies. This is per-formed by simulating the life of the asset in finite time horizon taking into ac-count its age, preventive maintenance strategy and its useful life. The application also provides estimation of maintenance costs, optimum maintenance interval and equipment availability. The purpose of such an application is to support decisions in appraising opportunities related to reviewing and updat-ing existing maintenance strategies. The application was partially validated with data from an offshore asset provided by Apply Sørco. The limitation of DRS is that it cannot replace human judgement with regards to taking the final call on whether or not to postpone maintenance. DRS provides quantitative and qualita-tive results and is reliant on the experience and insight of industry experts to take the most appropriate course of action based on the provided input. |
16:00 | ABSTRACT. Large utilities need to optimize the investment made to maintain their assets. For a utility like Hydro-Québec (37 GW) an important part of those investments are made to maintain their hydroelectric facilities. To minimize the maintenance cost, technico-economic model enabling the propagation of uncertainty associated with the degradation processes of a given component seems essential. Therefore, for Francis hydroelectric turbine runners, we developed two technico-economic models: one for crack propagation and one for cavitation. Since these are the main degradation mechanisms leading to failure of Francis runners, they enable us to study the effect of maintenance strategies on the maintenance cost of these components. The model has been created using VME, an asset management software developed by EDF R&D (Électricité de France). VME uses Monte-Carlo simulations to generate stochastic failure dates and obtains probabilistic indicators of the net present value of a given management strategy. We will use a study case based on a Hydro-Québec (Québec, Canada) facility to illustrate the importance of the proper assessment of current and expected long-term reliability on maintenance cost. The paper will be structured as follows. First, an overview of the modelling strategy will be presented. Then, we will have a closer look on how VME, the tool used for Monte-Carlo simulations, derive its results. Finally, we will present a study case and discuss the results obtained in terms of the sensitivity to the reliability assessment uncertainties. |
16:15 | AUGMENTED INTELLIGENCE FOR ASSET MANAGEMENT ABSTRACT. Cosmo Tech is a global technology company that helps the C-suite make optimal decisions. Through our unique methodology, we model and then simulate complex scenarios to accurately predict the outcome of events even if those events have never happened before. And we deliver interconnected insights that tell you how each part of your organization would be affected by your potential choices so you can make the best decisions for your company. What we do goes way beyond big data and data science to decision management and augmented intelligence. We transform companies by giving them reliable insight into the future. Our presentation will cover the Technical solution developed by COSMO TECH, as well as a couple of Business cases and results. |
16:30 | Augmented reality technology for predictive maintenance education: A pilot case study SPEAKER: Idriss El-Thalji ABSTRACT. Industry 4.0 is an industrial era where several disruptive technologies e.g. Inter-net of Things, cloud technology, 3D printed, advanced robotics and materials have merged or integrated to enables a new level of organising and controlling the entire valve chain with the product lifecycle by creating dynamic and real-time understanding of cross-company behaviours. Such collaboration between physical and cyber spaces is rapidly growing and the benefits becoming more feasible. However, the interaction of human (in case automation is not applica-ble) at physical space with digital contents requires special facilitation where ar-gumentation is the key. Predictive maintenance which is based on real-time measurements e.g. health/process parameters requires high level of expertise to understand and diagnose the present status of machine health. Therefore, the purpose of this paper is to explore, through a pilot project, how could augmented reality technology be utilised to assist novice learners to gain deep understanding of predictive maintenance process and practical skills as well. The case study is developed to assist the student of industrial asset management programme to learn the machine fault simulator and the analysed content of vibration meas-urements. Such contribution aims to enhance the training technology and accel-erate the learning process of novice technician/engineers to be expert. |