基于悬臂梁理论的星载滑环接触力测量方法研究

THE CONTACT FORCE MEASUREMENT METHOD FOR SATELLITE SLIP RING BASED ON CANTILEVER BEAM THEORY

  • 摘要: 分析了导电滑环的应用背景和其性能测试的现状,针对星载精密滑环电刷丝接触压力的测量难点,提出了基于悬臂梁理论的测量方案,给出了测量方案的力学理论依据和分析过程. 根据变形的线性规律,采用最小二乘法对测量数据进行一元回归分析,得到测量点的初始加载力,根据其和接触压力的关系最终得到接触压力.

     

    Abstract: The applications and the performance test of the slip rings are reviewed. To overcome the diffculties in the measurement of the contact force between the brush wire and the ring in precision satellite slip rings, a measurement scheme based on the cantilever beam theory is proposed and its principle is explained. According to the deformation linearity of the cantilever beam, the unary regression analysis using the least squares method for the measurement data is carried out to obtain the initial loading force. The contact force is finally calculated according to its relationship with the initial loading force.

     

/

返回文章
返回