TESConf 2021 - 10th International Conference on Through-Life Engineering Services最新文献

{"title":"A Review of Artificial Intelligence Applications in Thermographic Non-Destructive Testing","authors":"Kailun Deng, Lichao Yang, Haochen Liu, Wenhan Li, J. Erkoyuncu, Yifan Zhao","doi":"10.2139/ssrn.3945926","DOIUrl":"https://doi.org/10.2139/ssrn.3945926","url":null,"abstract":"Thermographic Non-destructive Testing (TNDT) has gained increasing popularity in various industry fields. It can provide rapid, non-contact, and robust non-invasive detection of both surface and subsurface damage. Artificial Intelligence (AI) is an emerging subject that shows increasing potential in almost all fields and has recently attracted significant interest in TNDT. Thermal signals from TNDT have relatively low signal-noise-ratio (SNR), and most thermal images have the common weakness of edge blurring. The abovementioned obstacles lead to high requirements of field expertise and subjectivity in TNDT inspections. One of the purposes of developing AI is substituting human work more efficiently and objectively. The abovementioned weaknesses in TNDT may seek a way out of AI technologies. This paper offers a review of state-of-art researches on AI deployment in TNDT, discussing the current challenges and a roadmap for application expansion. Deep Learning is the most commonly used AI technology since it has powerful feature extraction and pattern recognition capabilities for imaging processing and computer vision. Most existing research adopted Convolutional Neural Network (CNN) models utilizing only spatial information in thermal images to detect defects such as U-net, VGG, Yolo, etc. Except for defect detection, automated defect depth estimation is another focus in the deep learning method. Recurrent Neural Networks (RNNs) such as LSTM and GRUs are usually applied for extracting the temporal feature from thermal sequences, which is sensitive to defect depth. Furtherly, different deep model variations and integrated algorithms are also reviewed, which improves the performance of defect detectability. Another exciting aspect of learning models using 3-dimensional thermograms is their ability to consider the spatial and temporal features to reveal more hidden defects. Some other points, such as the training dataset, which plays a crucial role in making a robust deep model, are discussed at the end of this paper.","PeriodicalId":162865,"journal":{"name":"TESConf 2021 - 10th International Conference on Through-Life Engineering Services","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131875488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigating Precision and Accuracy of a Robotic Inspection and Repair System","authors":"Miftahur Rahman, Haochen Liu, M. Rahimi, Cristóbal Ruiz Cárcel, L. Kirkwood, I. Durazo-Cardenas, A. Starr","doi":"10.2139/ssrn.3945943","DOIUrl":"https://doi.org/10.2139/ssrn.3945943","url":null,"abstract":"Robot integration in railway maintenance steps a prominent pavement in high-efficient and low-cost job execution for the infrastructure management. To achieve practical and diverse inspection and repair railway job, a robot manipulator on a locomotive platform is one of the best options. A lot of research has been conducted to find the accuracy and precision of industrial robotic manipulator where the manipulator base is fixed. This paper initiates an exploration of the accuracy and precision of a Robotic Inspection and Repair System (RIRS), which is a novel robotic railway maintenance system integrated with an industrial manipulator (UR10e) with 6 degree-of-freedom, mounting on an Unmanned Ground Vehicle (UGV) (Warthog) and specially designed trolley. In this research, a mimic track visual inspection test using QR code detection is adopted and implemented by an arm-mounted monocular camera. Then a sequential pose moves with multiple payload weights on the manipulator end has been performed as a performance measurement of repair jobs using a vision-based position tracking algorithm. The measurement results demonstrate that RIRS can maintain accurate and consistent performance in both defect position inspection and repair moves with diverse payloads. For inspection the positional error was only 0.27% while for repair moves the end-effector can reach the same position within 1mm. This research establishes a foundation for system command & control development and supporting more practical railway jobs deployment towards full autonomy for RIRS in the future.","PeriodicalId":162865,"journal":{"name":"TESConf 2021 - 10th International Conference on Through-Life Engineering Services","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131883901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Application of Life Cycle Assessment and Similar Methodologies in Asset Management: A Multiple Case Study","authors":"H. Holwerda, W. Haanstra, J. Braaksma, T. Coenen, J. Santos","doi":"10.2139/ssrn.3944549","DOIUrl":"https://doi.org/10.2139/ssrn.3944549","url":null,"abstract":"Life Cycle Thinking (LCT) methodologies are increasingly adopted by Asset Management (AM) organizations to assess the sustainability impact of decisions in policy-making and strategic planning. Despite the adoption of these methodologies, in particular the Life Cycle Assessment (LCA), operationalization of the outcomes seems to lack attention in industry and research. This research aims to explore and better understand the application of LCT outcomes in AM decision-making. An exploratory literature review shows that the current LCT research strongly focuses on LCT as a method and methodological improvement to advance the adoption of the method, while the application of the LCT outcomes receives less attention. Based on the literature review a number of postulates were formulated and tested in an exploratory multiple case study at various AM organizations in the Netherlands, in which LCT has been adopted. Comparing these postulates with empirical findings indicates fundamental differences between LCT theory and practice, which seem to limit the application of the LCT outcomes. The research reveals that more attention is needed on the assistance in the operationalization of LCT outcomes. Furthermore, practitioners should consider redirecting some efforts from improving the analysis itself towards the operationalization of the LCT outcomes.","PeriodicalId":162865,"journal":{"name":"TESConf 2021 - 10th International Conference on Through-Life Engineering Services","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128704167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Is a Top Level Ontology Based Digital Twin the Solution to Human-Machine Interoperability?","authors":"R. D. D’Amico, Pavani Addepalli, J. Erkoyuncu","doi":"10.2139/ssrn.3945058","DOIUrl":"https://doi.org/10.2139/ssrn.3945058","url":null,"abstract":"Over the last decade, life cycle management has made leaps and bounds not just enhancing but also creating newer interactivity with the modelling world. A digital twin (DT) monitors the condition of the mirrored entity through life, providing a holistic overview of both its functionality and operability. Whilst DTs are gaining interest, the current challenge in their efficient utilisation is the interoperability between those different DTs. Today, DTs are being created for domain-specific functionalities (closed architectures), often using proprietary solutions, limiting their interoperability. This paper aims to present a high-level DT framework based on a standard top-level ontology called the Basic Formal Ontology (BFO) as a solution to the integration of twins. BFO is a well-established top-level ontology in the biomedical sector, as it is the core of the Open Biological Ontologies (OBO) Foundry. This paper contains a review of the state-of-the-art DTs based on top-level ontologies and highlights the value of implementing this framework, especially in the maintenance phase. The proposed open framework enables and improves the interoperability of DTs, creating the fundamental infrastructure where DTs can work together in a federation of twins. This research is an attempt to identify the applicability of this fundamental, interdisciplinary, cross-sectoral linkage for digitally enhanced eMaintenance platforms and their effective deployment. The paper thus presents an overview of how a typical BFO based DT would work in the context of a network of twins that targets human-in-the-loop (HITL) and their interoperability establishing a future towards the next industrial revolution: Industry 5.0.","PeriodicalId":162865,"journal":{"name":"TESConf 2021 - 10th International Conference on Through-Life Engineering Services","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128947201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Industry 5.0 Transition for an Advanced Service Provision","authors":"Maryam Farsi, J. Erkoyuncu","doi":"10.2139/ssrn.3944547","DOIUrl":"https://doi.org/10.2139/ssrn.3944547","url":null,"abstract":"The current service provision for high-value manufactured equipment is transitioning from a purely product-focused business model to a service-focused one, known as servitization. Businesses aim to continuously improve their service offerings to sustain customer satisfaction in order to maintain their competitive edge within the industry. On the other hand, Industry 5.0 is characterized by bringing industries’ focus towards collaboration for sustainable value co-creation rather than producing goods and services for profit. This research investigates the possible enablers to design and deploy a highly effective advanced service provision. Advanced service provision refers to providing service solutions that fulfil the desirable availability, capability, and reliability in product-service contracts. The research outcomes are presented in the form of a transition framework and a set of recommendations towards the desired future state, with phased timings for implementing the key enablers with a potential 2035 vision to support the Industry 5.0 transition. The validity of the framework was tested by collecting experts’ opinion who currently work within servitization contracts. The outcome of this study can be generalized for industries in high-value manufacturing.","PeriodicalId":162865,"journal":{"name":"TESConf 2021 - 10th International Conference on Through-Life Engineering Services","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121867385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Industry 5.0 for Sustainable Reliability Centered Maintenance","authors":"Maryam Farsi, R. Mishra, J. Erkoyuncu","doi":"10.2139/ssrn.3944533","DOIUrl":"https://doi.org/10.2139/ssrn.3944533","url":null,"abstract":"Industry 5.0 is based on the idea of merging sustainable development goals and digitalization provisions from the fourth industrial revolution through human-centric solutions, bio-inspired technologies, and cyber safe data transmission. Industries are yet the most significant drivers of the integrated sustainability development (economic, environmental, and social) over the design, manufacturing, operation and disposal of products and services. This research investigates Industry 5.0 indicators that are required to achieve sustainable reliability centered maintenance (RCM) for high-value equipment. The research work examines the feasibility of a correlation between sustainable indicators between operation and maintenance phases using fuzzy logic. The fuzzy approach is implemented to measure the impact of RCM technical indicators on sustainability. A broader recommendation to improve sustainable RCM is presented through an academic survey.","PeriodicalId":162865,"journal":{"name":"TESConf 2021 - 10th International Conference on Through-Life Engineering Services","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114684206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design and Implementation of a Self-Cleaning Heat Exchanger Using a Digital Twin","authors":"Sam Brooks, Ayman Yasin, Kazeem Alatishe, R. Roy","doi":"10.2139/ssrn.3944684","DOIUrl":"https://doi.org/10.2139/ssrn.3944684","url":null,"abstract":"Fouling can be reduced by careful design or surface treatment; however, regular manual cleaning is often still required. In this study, a self-cleaning heat exchanger system to automatically identify and remove fouling was designed. The Self-cleaning system was designed to operate automatically without human input and use a backwash of water through the heat exchanger tubes to clean them. A digital twin (DT) is utilised with a model of the performance of the heat exchanger; this is the first known research where a DT is used to control a self-cleaning (or self-engineering) response. The steps used to develop the DT are described, and the logic used to determine when to trigger self-cleaning. Temperature readings are compared to the DT model to determine when heat transfer is impeded by fouling. Tests performed with fouling added successful demonstrated the DT and self-cleaning. The effectiveness of the heat exchanger before fouling, with fouling and after cleaning was used to determine the effectiveness of the self-cleaning. The original performance returned by cleaning varied with 15%, 81% and 52% returned in each experiment.","PeriodicalId":162865,"journal":{"name":"TESConf 2021 - 10th International Conference on Through-Life Engineering Services","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116762767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Simulation Model for Cost and Availability Estimation at the Bidding Stage in the Presence of Limited Data","authors":"Duarte Rodrigues Polonia, J. Erkoyuncu, A. Starr, Steve Wilding","doi":"10.2139/ssrn.3944503","DOIUrl":"https://doi.org/10.2139/ssrn.3944503","url":null,"abstract":"Contracting for Availability (CfA) is an increasingly adopted commercial process which consists of a partnership between customer and solution provider(s) towards supporting system availability for long periods with the target of better value for money. In a competitive bidding process, contractors commit an effective bid price to win contracts, which the process heavily depends on existing data from similar projects. Within the CfA context, based on industrial engagement and literature review, it has been realised that one of the biggest challenges is to deal with a lack of available data to aid the cost and asset availability estimation process. In order to fill this gap, this paper presents an innovative simulation model for Cost and Availability Trade-Off and Estimation in CfA Bids (CATECAB), which uses multiple regression analysis and a mixed Monte-Carlo and bootstrapping re-sampling technique. Its main innovation is the ability to produce estimates based on a comprehensive analysis across the different attributes that impact system availability, and in scenarios where data availability is limited. A case study is presented with four CfA scenarios, provided by a major defence contractor in the UK, which showed that additional investment could improve availability. Experienced cost engineers validated the results and acknowledged that it is a valuable contribution to improve cost and availability estimation during bidding.","PeriodicalId":162865,"journal":{"name":"TESConf 2021 - 10th International Conference on Through-Life Engineering Services","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128673027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mapping the Needs of Design for Maintenance in Electric Aviation","authors":"A. Jain, A. Martinetti, L. V. van Dongen","doi":"10.2139/ssrn.3945107","DOIUrl":"https://doi.org/10.2139/ssrn.3945107","url":null,"abstract":"In the aviation industry, the issue of emission and pollution coupled with a concern over the availability and price of oil has led to a growing interest in the design and certification of electrically powered aircraft. Attention is nowadays paid to the technical feasibility of various aircraft design concepts and operational modes. However, there is still a gap in the knowledge of future maintenance operations associated with electric aircraft. The Dutch Electric Aviation Centre (DEAC) is currently researching the electric aircrafts using Cessna 337F Skymaster as a testbed at the Teuge International Airport (TIA). A brief overview of the electric propulsion system is made, and the possible maintenance challenges arising from the transition to electric aviation are identified. The design considerations from system engineering and analysis and the life cycle cost attribute that influence the maintainability evaluation and findings from the literature review, expert opinions, and study carried out at the DEAC are used to create a comprehensive mind-map of essential factors influencing maintenance performance of electric aviation.","PeriodicalId":162865,"journal":{"name":"TESConf 2021 - 10th International Conference on Through-Life Engineering Services","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128372083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An Overview of the Evolution of Degradation Mechanisms for Leaks in Metal Pipes and Joints and the Effectiveness of LLM and LMD Methods","authors":"Alaa Agala, Muhammed Khan, A. Starr","doi":"10.2139/ssrn.3945126","DOIUrl":"https://doi.org/10.2139/ssrn.3945126","url":null,"abstract":"Leakage detection and localization in pipelines has become an important aspect of water management systems. Since monitoring leakage in large-scale water distribution networks (WDNs) is a challenging task, the need to develop a reliable and robust leak detection and localization technique against degradation mechanisms is essential for loss reduction in potable networks. This paper presents a review of all the past relevant investigations to demonstrate the effectiveness and limitations of the existing leakage detectionmethods (LDMs) and leakage localization methods (LLMs) in the context of those degradation mechanisms that are inevitable in pipes and joints. We find that extensive research efforts have been reported in relation to leakage detection and localization technologies. However, very little discussion is available to justify the suitability of a leakage detection method for a given degradation mechanism. The existing review papers do not cover or connect past efforts from the start of a degradation mechanism that leads to changes in the mechanical strength (such as a reduction in fracture toughness) of pipes and results in crack propagation and leakage. In this paper, we provide discussion of all these interrelated and inter-dependent stages. Using this discussion, the effectiveness of existing LDMs and LLMs in respect of prominent degradation mechanisms is analysed and the key challenges in the current methods are highlighted.","PeriodicalId":162865,"journal":{"name":"TESConf 2021 - 10th International Conference on Through-Life Engineering Services","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122248756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}