NDLI: Proactive maintenance of offshore wind turbine blades using knowledge-based force analysis

Content Provider	IEEE Xplore Digital Library
Author	Trinh Hoang Nguyen Prinz, A. Noll, J.
Copyright Year	2013
Description	Author affiliation: Dept. of Inf. & Commun. Technol., Univ. of Agder, Grimstad, Norway (Trinh Hoang Nguyen; Prinz, A.) \|\| ConnectedLife Group, Univ. Grad. Center Oslo, Oslo, Norway (Noll, J.)
Abstract	The operation and maintenance (O&M) costs of wind turbines constitute approximately 10-15% of the lifecycle cost in onshore installations and up to 30% in offshore installations. The O&M costs for offshore wind power plants are higher than the onshore ones due to greater logistical challenges of maintaining and servicing, and the less mature state of offshore wind energy technology. Wind turbine blades suffer from various faults, for example, blade angle asymmetry, icing, and bends. These faults may cause wind turbines to a standstill. Replacement of rotor blades will normally result in a long downtime since the replacement process involves heavy transportation (vessel, crane) and dependency on weather conditions. This downtime can be shortened and the cost can be reduced if the replacement is done before the break and the wind turbine blade inspection and maintenance is scheduled effectively. The strategy that allows achieving the goal is called proactive maintenance. This paper introduces an approach to optimizing proactive maintenance of offshore wind turbine blades. The approach uses knowledge-based methods for force analysis. The approach solves the semantic ambiguity of offshore wind information and provides the possibility to monitor the performance of wind turbine blades in real-time, leading to advanced alarms when needed. The approach can be adapted and applied for other wind turbine components.
Starting Page	239
Ending Page	245
File Size	431790
Page Count	7
File Format	PDF
e-ISBN	9781479900480
DOI	10.1109/INTECH.2013.6653709
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-29
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Blades Force OWL Rotors Maintenance engineering Ontologies Wind turbines
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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