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作动器输出机构刚度优化设计与仿真分析
引用本文:张新华,刘源,张兆凯,黄建.作动器输出机构刚度优化设计与仿真分析[J].导航定位于授时,2018,5(2):55-59.
作者姓名:张新华  刘源  张兆凯  黄建
作者单位:北京自动化控制设备研究所;
基金项目:国家自然科学青年基金(61603051)
摘    要:作动器输出机构的变形可以看作是输出轴体扭转变形与摇臂变截面悬臂梁变形的综合。从材料力学的角度出发,详细推导了作动器输出机构机械刚度的理论计算方法,并以此理论为依据对作动器输出机构的结构进行优化设计。通过仿真对比确定优化设计的正确性,为工程应用提供了有力的理论支撑。

关 键 词:电动作动器  机械刚度  变截面  悬臂梁

The Optimization Design and Simulation Analysis of Actuator Output Mechanism Stiffness
ZHANG Xin-hu,LIU Yuan,ZHANG Zhao-kai and HUANG Jian.The Optimization Design and Simulation Analysis of Actuator Output Mechanism Stiffness[J].Navigation Positioning & Timing,2018,5(2):55-59.
Authors:ZHANG Xin-hu  LIU Yuan  ZHANG Zhao-kai and HUANG Jian
Institution:Beijing Institute of Automatic Control Equipment, Beijing 100074, China,Beijing Institute of Automatic Control Equipment, Beijing 100074, China,Beijing Institute of Automatic Control Equipment, Beijing 100074, China and Beijing Institute of Automatic Control Equipment, Beijing 100074, China
Abstract:The deformation of the actuator output mechanism can be regarded as the synthesis of the torsion deformation of the output shaft and variable cross-section cantilever beam deformation of rocker arm. Proceeding from mechanics of materials, the theoretical calculation method of actuator output mechanism stiffness is deduced in detail and the optimization design of actuator output mechanism is finished according to the theory. The correctness of the optimization design is validated by simulation, which provides great theoretical support for the engineering application.
Keywords:Electro-Mechanical Actuator (EMA)  Mechanical stiffness  Variable cross-section  Cantilever beam
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