Maintenance-based warranty for offshore wind turbines

Liu, Yiliu; Dai, Lijuan

doi:10.1109/ieem.2013.6962643

Cited by 1 publication

(1 citation statement)

References 7 publications

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“…Due to high procurement and operating cost, wind turbines' availability is closely related to the economic benefit of wind farm. 11 In fact, wind turbine is usually required to meet an expected availability (EA), for instance, from 0.95 to 0.97. 12 In this article, we propose an availability-based warranty policy for complex mechatronic products.…”

Section: Introductionmentioning

confidence: 99%

An availability-based warranty policy considering preventive maintenance and learning effects

Cheng

2017

Proceedings of the Institution of Mechanical Engineers, Part O:

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By considering learning effects during the process of maintenance, this article investigates an availability-based warranty policy from the manufacturer's perspective. Imperfect preventive maintenance activities are implemented to reduce the number of equipment failures so as to meet the product's availability requirement and minimize warranty servicing cost during the warranty period. Hybrid hazard rate model is used to describe imperfect preventive maintenance actions; maintenance plan and warranty servicing cost are optimized by considering learning effects. Preventive maintenance schedule within a warranty period is optimized cycle by cycle, and the warranty cost rate is minimized under the requirement of availability within each cycle. Numerical example of a wind turbine gearbox is provided to verify the effectiveness of the proposed availability-based warranty policy. Sensitivity analysis shows that by considering learning effects on maintenance, the gearbox can maintain a higher availability level with a lower warranty cost than the case without consideration of learning effects.

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Section: Introductionmentioning

confidence: 99%

An availability-based warranty policy considering preventive maintenance and learning effects

Cheng

2017

Proceedings of the Institution of Mechanical Engineers, Part O:

View full text Add to dashboard Cite

show abstract

Maintenance-based warranty for offshore wind turbines

Cited by 1 publication

References 7 publications

An availability-based warranty policy considering preventive maintenance and learning effects

An availability-based warranty policy considering preventive maintenance and learning effects

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