基于扰动观测器的电动负载模拟器控制系统设计

被引：20

作者：

方强 ^{[1
]}

马杰 ^{[2
]}

毕运波 ^{[1
]}

刘伟 ^{[3
]}

机构：

[1] 浙江大学浙江省先进制造技术重点研究实验室

[2] 哈尔滨工业大学航天学院

[3] 西安飞机工业(集团)有限责任公司总装厂

来源：

浙江大学学报(工学版) | 2009年 / 43卷 / 11期

关键词：

扰动观测器; 负载模拟器; 力矩伺服; 混合灵敏度;

D O I：

暂无

中图分类号：

V249.1 [飞行控制];

学科分类号：

081105 ;

摘要：

针对以永磁同步电机作为驱动元件的电动负载模拟器,提出基于扰动观测器的双回路控制系统设计方法.采用机理建模方法,建立负载模拟器数学模型,并通过实验确定系统标称对象模型参数和模型不确定性权函数.以舵机扰动抑制要求为性能权函数,通过控制结构等价变换,采用H∞混合灵敏度方法设计内回路扰动观测器.外回路设计以拓展力矩加载频带为性能权函数设计控制器.对某型电动负载模拟器控制系统的设计和调试结果表明,在最大加载力矩为50 N.m时,电动负载模拟器动态加载平坦段最高频率达到15 Hz,静态加载精度小于0.1 N.m.

引用

页码：1958 / 1964

页数：7

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