基于PXI的轴角数据转换器精度测试系统设计  

Design an Accuracy Test System for Resolver-To-Digital Converter Based on PXI

作　　者：房莉[1] 陈湘平[1] 涂文婕[1] 程敏[1] 

机构地区：[1]空军雷达学院预警监视情报系,湖北武汉430019

出　　处：《测控技术》2011年第7期5-8,共4页Measurement & Control Technology

摘　　要：针对某型设备轴角数字转换器精度测试需求的迫切性以及目前测试方法和设备不能满足本系统需要的问题,基于PXI总线搭建了扩展性好的硬件测试平台和自检平台,并通过对大量自检数据和系统误差性质的深入分析与研究,设计了一种系统误差补偿方法,减小了系统误差,提高了测试精度。同时,系统提供自动测试功能和自检功能。该系统已经成功得到应用,实践表明,系统能够满足该设备的测试需求,具有测试精度高、可靠性高、可扩展性好等特点。Aiming at the testing requirement of resolver-to-digital converter and the dissatisfactory of the present testing methods and devices,an easily expansible hardware testing platform and self test platform based on PXI is designed.After analyzing and researching on the character of self test data and system error,an error compensation method is designed,which reduce the system error and improve the test accuracy.The system provided with test function and self test function.The system has been put into practice.It is indicates that the system could satisfy the testing requirements,and it has the characteristics of high accuracy,reliable performance and being easily extended.

关 键 词：PXI 轴角数字转换器 测试系统 

分 类 号：TP212.1[自动化与计算机技术—检测技术与自动化装置]