通用三维转动机构测试系统研究与设计

摘要

随着空间科学技术和航天设备的不断发展,对测试系统的自动化程度要求越来越高,通过对航天测试标准和对通用三维转动机构的研究,提出了一种基于LabVIEW和工业控制计算机的可视化空间三维转动机构控制的测试系统方案;该方案采用工业控制计算机作为控制台,用高精度双通道旋变解调模块对双余度步进电机的角度位移信号进行测量,来获取天线转动的位置信息;操作系统平台采用Windows XP,采用NI公司虚拟测试软件LabVIEW进行人机界面的设计,可以直观的对三维转动机构进行位置变化控制和获取各种参数信息,并可以对数据进行分析、报警、存储、查询等操作,以及进行定时转动控制;经测试,该系统能满足要求,且稳定可靠.%As the continuous development of space sciencc and technology and aerospace equipment, the degree of automation of the test system have become increasingly demanding in this field, according to test standards and the general space three-dimensional rotating body research, proposes a three-dimensional rotation of the control of the space program based on LabVIEW and industrial control computer visualization.The program uses industrial control computer as the console, using high-precision dual-channel rotary variable demodulation module redundant pairs of angle stepper motor displacement signal measured to obtain the location information of the rotating antenna.Operating system platform, using Windows XP, uses NIs LabVIEW virtual test software to conduct human-computer interface design, intuitive three-dimensional rotation of the position change institutions to control and access to information on various parameters, and can analyze the data, alarm, storage, queries and other operations, as well as regular rotation control.After testing, the system can meet the requirements,and reliable.