基于数字滤波技术的舵机摩擦力矩在线检测

Detection of Actuator Friction Torque Based on Digital Filtering Techniques

随着我国航天战略发展计划,现代航天技术正向高技术、高挑战、高精度等方向发展。为了实现舵机参数摩擦力矩的在线检测,设计了一种以TMS320F2812为主控芯片的基于数字滤波技术的舵机摩擦力矩在线检测系统。首先,介绍了摩擦力矩的检测方案,然后,对系统的总体结构进行了设计,最后进行了主控系统的软件设计以及测量结果的数据处理与分析。经实验验证,系统检测舵机摩擦力矩参数时具有效率高、精度高、抗干扰性强等特点,具有较高的使用价值。

Modern space technology is moving toward the direction of high technology, high challenge and high precision with the development of the national aerospace strategic plan.In order to measure the friction torque of the actuator,the project designs on-line detection system based on digital filter and curve fitting technology.The system uses TMS320F2812 as the control core.Firstly,the program of friction torque detection is described.Then,the overall structure of the test system is designed.Finally,the software algorithm of the control system and the processing system for friction torque of the actuator are designed.With the experimental verification,when testing the friction torque of the actuator,the system has the performance of high efficiency,high precision and strong resistance to interfere and it has a high value in use.