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Journal of Marine Science and Application[ISSN:1002-2848/CN:61-1400/f]

卷:

期数:

2019年1

页码:

93-98

栏目:

出版日期:

2019-03-25

Info

Title:

Development of Optimal Maintenance Policies for Offshore Wind Turbine Gearboxes Based on the Non-homogeneous Continuous-Time Markov Process

Author(s):

Mingxin Li¹;  Jichuan Kang¹; 2;  Liping Sun¹;  Mian Wang¹; 3

Affilations:

Author(s):

Mingxin Li¹;  Jichuan Kang¹; 2;  Liping Sun¹;  Mian Wang¹; 3

1 College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China;
2 Center for Marine Technology and Engineering, University of Lisbon, Lisbon, Portugal;
3 University of California, Berkeley, San Francisco, CA, USA

Keywords:

Maintenance policy; Non-homogeneous continuous-time Markov process; Offshore wind turbine gearboxes; Reliability analysis; Failure rates; System engineering

分类号:

-

DOI:

10.1007/s11804-019-00075-9

Abstract:

Gearbox in offshore wind turbines is a component with the highest failure rates during operation. Analysis of gearbox repair policy that includes economic considerations is important for the effective operation of offshore wind farms. From their initial perfect working states, gearboxes degrade with time, which leads to decreased working efficiency. Thus, offshore wind turbine gearboxes can be considered to be multi-state systems with the various levels of productivity for different working states. To efficiently compute the time-dependent distribution of this multi-state system and analyze its reliability, application of the nonhomogeneous continuous-time Markov process (NHCTMP) is appropriate for this type of object. To determine the relationship between operation time and maintenance cost, many factors must be taken into account, including maintenance processes and vessel requirements. Finally, an optimal repair policy can be formulated based on this relationship.

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Memo

Memo:

Received date:2017-10-12。
Corresponding author:Mingxin Li,limingxin@hrbeu.edu.cn

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Last Update: 2019-05-14