A dynamic programming-based maintenance model of offshore wind turbine considering logistic delay and weather condition

Zhu, Wanlu; Castanier, Bruno; Bettayeb, Belgacem

doi:10.1016/j.ress.2019.106512

Cited by 39 publications

(18 citation statements)

References 23 publications

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“…We focus on the control limit policy as it is most commonly used in maintenance practice. The control limit policy works in such a way that the system is preventively replaced whenever the inspected degradation level exceeds a preventive replacement threshold [21], [51], [52]. Although both corrective replacement and preventive replacement restore the system to the as-good-as-new state, they differ in nature as corrective replacement is often implemented at an unplanned time and at a more deteriorated state; as a result, additional cost may be incurred for the potential damages caused by failure.…”

Section: Cbm Policy With Monotone Preventive Maintenance Thresholdsmentioning

confidence: 99%

Condition-Based Maintenance Policy for Systems With a Non-Homogeneous Degradation Process

Jia

Liu

et al. 2020

IEEE Access

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This paper investigates a condition-based maintenance policy for systems subject to a nonhomogeneous degradation process. A nonhomogeneous degradation process occurs as a result of deterioration nature and the environmental effect. In the first step, it develops two maintenance models, which consider the constant inspection interval and non-periodic inspection interval. The paper then optimizes a maintenance policy with monotone preventive replacement thresholds. The optimal maintenance decision is shown as a control-limit policy, where the optimal preventive replacement threshold is monotonically decreasing with system age. An illustrative example is presented to show the effectiveness of the proposed maintenance models. The result indicates that preventive replacement can significantly improve the effectiveness of the maintenance policy and sustain system operation. INDEX TERMS Condition-based maintenance, non-homogeneous degradation, control-limit policy, preventive replacement, time-dependent drift.

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Section: Cbm Policy With Monotone Preventive Maintenance Thresholdsmentioning

confidence: 99%

Condition-Based Maintenance Policy for Systems With a Non-Homogeneous Degradation Process

Jia

Liu

et al. 2020

IEEE Access

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“…The authors in [65] present a RCM approach using a sequence of several activities and steps (see Figure 17) that can be summarised in two steps [66] [63]:…”

Section: Rcm Of Wind Turbinesmentioning

confidence: 99%

“…The Authors in [70] and [65] propose a maintenance strategy selection method to improve the cost effectiveness of offshore wind systems. These methods comprise an algorithm to optimise grouping several maintenance tasks.…”

Section: Figure 19 Condition Based Maintenance Compared To Scheduled and Corrective Maintenance [23] [23]mentioning

confidence: 99%

A Review and Methodology Development for Remaining Useful Life Prediction of Offshore Fixed and Floating Wind turbine Power Converter with Digital Twin Technology Perspective

Sivalingam

Sepulveda

Spring

et al. 2018

2018 2nd International Conference on Green Energy and Applications (ICGEA)

132

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This thesis has been submitted in fulfilment of the requirements for a postgraduate degree (e.g. PhD, MPhil, DClinPsychol) at the University of Edinburgh. Please note the following terms and conditions of use: This work is protected by copyright and other intellectual property rights, which are retained by the thesis author, unless otherwise stated. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This thesis cannot be reproduced or quoted extensively from without first obtaining permission in writing from the author. The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the author. When referring to this work, full bibliographic details including the author, title, awarding institution and date of the thesis must be given.

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“…The failure rate models and lifetime distributions such as the exponential or Weibull distributions are commonly used in existing maintenance models 35 . In addition, maintenance impacts are widely assumed to be perfect, that is, a failed component is maintained to ‘as good as new’ (AGAN) state after maintenance.…”

Section: Introductionmentioning

confidence: 99%

Integrated condition‐based maintenance modelling and optimisation for offshore wind turbines

et al. 2021

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Maintenance is essential in keeping wind energy assets operating efficiently. With the development of advanced condition monitoring, diagnostics and prognostics, condition‐based maintenance has attracted much attention in the offshore wind industry in recent years. This paper models various maintenance activities and their impacts on the degradation and performance of offshore wind turbine components. An integrated maintenance strategy of corrective maintenance, imperfect time‐based preventive maintenance and condition‐based maintenance is proposed and compared with other traditional maintenance strategies. A maintenance simulation programme is developed to simulate the degradation and maintenance of offshore wind turbines and estimate their performance. A case study on a 10‐MW offshore wind turbine (OWT) is presented to analyse the performance of different maintenance strategies. The simulation results reveal that the proposed strategy not only reduces the total maintenance cost but also improves the energy generation by reducing the total downtime and expected energy not supplied. Furthermore, the proposed maintenance strategy is optimised to find the best degradation threshold and balance the trade‐off between the use of condition‐based maintenance and other maintenance activities.

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A dynamic programming-based maintenance model of offshore wind turbine considering logistic delay and weather condition

Cited by 39 publications

References 23 publications

Condition-Based Maintenance Policy for Systems With a Non-Homogeneous Degradation Process

Condition-Based Maintenance Policy for Systems With a Non-Homogeneous Degradation Process

A Review and Methodology Development for Remaining Useful Life Prediction of Offshore Fixed and Floating Wind turbine Power Converter with Digital Twin Technology Perspective

Integrated condition‐based maintenance modelling and optimisation for offshore wind turbines

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