非相似余度作动系统设计及工作模式分析

付永领; 庞尧; 刘和松; 王利剑

非相似余度作动系统设计及工作模式分析

1.
北京航空航天大学机械工程及自动化学院, 北京 100191
2. 北京航空航天大学自动化科学与电气工程学院, 北京 100191
3. INSA大学 ICA实验室, 图卢兹 31077

基金项目: 国家科技合作计划资助项目(S2010GR0522); 国家自然科学基金资助项目(50675009)

详细信息

中图分类号: TH 137
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出版历程
- 收稿日期: 2010-12-14
- 网络出版日期: 2012-04-30

Design and working mode analysis of dissimilar redundant actuator system

1.
School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2. School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
3. ICA Institut Cl閙ent Ader, INSA de Toulouse, Toulouse 31077, France

摘要

摘要: 非相似余度配置方式可省去中央液压源并有效克服共性故障,成为多电飞机的发展趋势.利用机械特性匹配的方法对变转速电动静液作动器和直驱式机电作动器组成的非相似余度系统进行总体设计.考虑舵面空气负载和连接刚度建立总体数学模型,对3种典型工作模式进行理论分析和仿真对比,再现带载情况下这3种工作模式的切换瞬态.同时提出电机电流内环零值控制的无载工作模式,控制器结构简单并且切换可靠迅速.分析结果对非相似作动系统的设计、工作模式和故障切换方法提供了理论依据.
- 非相似余度作动系统 /
- 工作模式 /
- 系统设计 /
- 切换瞬态
Abstract: The dissimilar redundant actuator system gets rid of central hydraulic power and avoids the common fault effectively, which is consistent with the development trend of more electric aircraft. Based on the load characteristics matching method, a dissimilar redundant actuator system made of electro-hydrostatic actuator with variable motor speed and electro-mechanical actuator was designed. The overall mathematic model was established by considering both of the air load and connecting stiffness of control surface. Then three typical operation modes were analyzed theoretically and simulated contrastively, and the switch transience between these operation modes under the air load was presented, too. Meanwhile, the zero current control method in the current loop of motor was proposed to the no-load operation mode. Its controller was simple to realize and the switch was rapid and reliable. The analysis results provide the theoretical evidence to system design, operation mode and fault switch method of dissimilar redundant actuator system.
- dissimilar redundant actuation system /
- operation modes /
- system design /
- switch transience

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参考文献(11)

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