基于高精度数字解码RDC芯片的旋转变压器解调方法  

Design of Decoding Circuit for Rotary Transformer Base on RDC

作　　者：安书董 李明[1] 马小博[1] 李亚锋 索晓杰 AN Shu-dong;LI Ming;MA Xiao-bo;LI Ya-feng;SUO Xiao-jie(Xi′an Aeronautics Computing Technique Research Institute,AVIC,Xi′an 710068,China)

机构地区：[1]航空工业西安航空计算技术研究所

出　　处：《航空计算技术》2019年第5期117-120,共4页Aeronautical Computing Technique

基　　金：航空科学基金项目资助(20101931004)

摘　　要：设计了一种精度高、速度快的伺服系统角度位置信号解调实施方案。采用旋转变压器作为传感器,AD2S1210将旋转变压器的输出信号进行解码,并将A/D转换结果传送给上位机,最终通过Multisim进行仿真。重点介绍了解码芯片的外围电路、激励驱动电路,并对检测的数据进行相应的介绍说明。实验表明,系统具有高可靠性和高精确度的特点。An implementation plans of angle and position decoding circuit for servo system is introduced in this paper.In this scheme,the rotary transformer is used as position sense organ.The AD2S1210 designed by AD is used to decode the angle and position of rotary transformer,simultaneity,the result of decoding is send to servo system.On account of the rotary transformer,this circuit has some advantages such as simple structure,high precision,wide range,high sensitivity,and is suitable for aerospace.The circuit is emulated by Multisim,the result show that this scheme can provide an effective decoding circuit for resolver signals with high reliability.

关 键 词：伺服系统 旋转变压器 AD2S1210 高可靠性 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]