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Issue:
Variable pitch control for wind energy conversion system with LPV dynamic compensation
Author(s):
SHEN Yan-xia
,
ZHU Yun
,
JI Zhi-cheng
Pages:
1282
-
1288
Year:
2009
Issue:
11
Journal:
Control Theory & Applications
Keyword:
wind energy conversion system
;
linear parameter varying system model
;
gain scheduling control
;
dynamic compensation
;
Abstract:
当风速超过额定值时,风能转换系统需要控制节距角来实现额定恒功率控制.同时控制电机电磁转矩使转速维持在其额定值以减少系统振荡.建立了风能转换系统的机理模型并得到其线性参数变化(LPV)系统模型;在多变量(MV)控制策略的基础上,设计了基于LPV模型的增益调度控制器,对节距角和电磁转矩进行动态补偿;基于dSPACE的风能转换系统硬件在回路仿真平台进行实验研究,结果表明补偿后系统的功率误差更小,电机转速...
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