NDLI: A novel approach to structural load control using intelligent actuators

Content Provider	IEEE Xplore Digital Library
Author	Leithead, W.E. Neilson, V. Dominguez, S. Dutka, A.
Copyright Year	2009
Description	Author affiliation: MLS, Glasgow, UK (Dominguez, S.; Dutka, A.) \|\| Dept. of Electrical and Electronic Engineering University of Strathclyde, Glasgow, UK (Leithead, W.E.; Neilson, V.)
Abstract	The recent trend towards large multi-MW wind turbines resulted in the role of the control system becoming increasingly important. The extension of the role of the controller to alleviate structural loads has motivated the exploration of novel control strategies, which seek to maximise load reduction by exploiting the blade pitch system. The reduction of blade fatigue loads through individual blade pitch control is one of the examples. A novel approach to reduction of the unbalanced rotor loads by pitch control is presented in this paper. Each blade is equipped with its own actuator, sensors and controller. These local blade control loops operate in isolation without a need of communication with each other. The single blade control approach to regulation of unbalanced rotor loads presented in this paper has an important advantage of being relatively easy to design and tune. Furthermore, it does not affect the operation of the central controller and the latter need not be re-designed when used in conjunction with the single blade controllers. Their performance is assessed using BLADED simulations.
Starting Page	1257
Ending Page	1262
File Size	558580
Page Count	6
File Format	PDF
ISBN	9781424446841
DOI	10.1109/MED.2009.5164719
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-24
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	unbalanced rotor loads Blades Intelligent actuators Communication system control Control systems Fatigue control Centralized control Optical fiber sensors individual pitch Wind turbines Acceleration Load flow control
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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