基于双层凸多面体的风力机LPV控制器设计

doi:10.16182/j.issn1004731x.joss.201701029

系统仿真学报 ›› 2017, Vol. 29 ›› Issue (1): 218-225.doi: 10.16182/j.issn1004731x.joss.201701029

基于双层凸多面体的风力机LPV控制器设计

张晓林¹, 吴定会^1,2, 宋锦¹, 纪志成¹

1.江南大学轻工过程先进控制教育部重点实验室,江苏无锡 214122;
2.江苏省食品先进制造装备技术重点实验室,江苏无锡 214122

收稿日期:2015-04-24 修回日期:2015-06-15 出版日期:2017-01-08 发布日期:2020-06-01
作者简介:张晓林(1991-),男,安徽黄山,硕士,研究方向为风力机控制。
基金资助:
江苏省食品先进制造装备技术重点实验室开发项目(FM-201408),江苏省“六大人才高峰” (WLW-008)

LPV Controller Design of Wind Turbine Based on Double-Layer Convex Polyhedron

Zhang Xiaolin¹, Wu Dinghui^1,2, Song Jin¹, Ji Zhicheng¹

1. Key Laboratory of Advanced Process Control for Light Industry, Jiangnan University, Wuxi 214122, China;
2. Key Laboratory of Advanced Manufacturing Equipment Technology of Food in Jiangsu Province, Wuxi 214122, China

Received:2015-04-24 Revised:2015-06-15 Online:2017-01-08 Published:2020-06-01

摘要/Abstract

摘要： 针对风力机线性化建模存在的偏差问题,提出了双层凸多面体结构的LPV(Linear Varying Parameter)控制器设计方法。将带有调度变量的传统模型转化为具有双层凸多面体结构的形式,结合线性矩阵不等式和增益调度技术求解外层凸多面体的顶点控制器,根据求解的各顶点控制器合成内层凸多面体的线性变参数控制器。该方法旨在消减模型的线性化偏差,增强控制器的控制效果。仿真结果表明：相比于传统控制器的设计,该方法使得风力机以更稳定的输出功率和更弱的机械应力平稳运行。

关键词: 风力机, 线性变参数, 双层凸多面体, 增益调度

Abstract: In order to solve the deviation in the process of linearized modeling, this method based on the double-layer convex polyhedron structure was proposed to design the linear varying parameter controller. The traditional model with scheduling variables was converted into the model with double-layer convex polyhedron structure. Combined with the gain scheduling technique and the linear matrix inequality method, the vertex controllers were constructed at the outer sphere convex polyhedron. The inner sphere convex polyhedron controllers were figured out according to the vertices controllers. The method was aimed to weakened the linear deviation, enhance the control effect of controller. The simulation results show that the wind turbine operates with more stable output power and more lower mechanical stress compared to the performance of traditional controller.

Key words: wind turbine, LPV, double-layer convex polyhedron, gain scheduling

中图分类号:

TP273+
.4

张晓林, 吴定会, 宋锦, 纪志成. 基于双层凸多面体的风力机LPV控制器设计[J]. 系统仿真学报, 2017, 29(1): 218-225.

Zhang Xiaolin, Wu Dinghui, Song Jin, Ji Zhicheng. LPV Controller Design of Wind Turbine Based on Double-Layer Convex Polyhedron[J]. Journal of System Simulation, 2017, 29(1): 218-225.

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基于双层凸多面体的风力机LPV控制器设计

LPV Controller Design of Wind Turbine Based on Double-Layer Convex Polyhedron

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