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分析研究了弱撞击式对接机构对接性能试验台在线校准技术,针对试验台六维力测量单元工作原理和试验台结构特点,开展试验台六维力测量单元在线校准方法研究。基于伺服电机控制器和行星丝杠结构的传力机构设计结构紧凑的高精度标准力源加载机构,并研制轻便可控、准确定位的六分量力计量工装来解决试验台六维力在线校准中平稳施力和基准同一的技术难点,研制六维力测量单元在线校准装置,实现对弱撞击式对接机构对接性能试验台六维力测量的量值溯源。
The online calibration technique of the docking performance test rig of weak impact docking mechanism was analyzed. According to the working principle of the six-dimension force measurement unit of the test platform and the structural characteristics of the test rig, the on-line calibration method of the six-dimensional force measurement unit was researched. The power transmission mechanism based on servo motor controller and planetary screw structure is designed with compact and high-precision standard force source loading mechanism and a six-component force measurement tool with light controllability and accurate positioning is developed to solve the online calibration of six-dimensional force on the test platform Smooth application of force and the same technical difficulties, the development of six-dimensional force measurement unit on-line calibration device to achieve the weak impact docking capabilities docking test bed six-dimensional force measurement traceability.