基于STM32的多通道PWM旋变信号发生器  

Multi-Channel PWM Rotary Transformer Signals Generator Based on STM32

作　　者：刘江义[1] 孙书鹰[1] 

机构地区：[1]军械工程学院光学与电子工程系,河北石家庄050003

出　　处：《测控技术》2014年第6期93-95,99,共4页Measurement & Control Technology

摘　　要：正余弦旋转变压器是自动控制系统中的常用传感器元件,主要用于角度测量和传输,在工业、国防等领域中应用广泛。利用STM32F4系列微控制器可输出多路脉冲宽度调制(PWM)信号的特性,设计了一种基于PWM的数字轴角转换(DSC)电路,模拟产生旋转变压器信号,较之传统DSC电路硬件结构得以简化。SinCos rotary transformer is a common sensor element in the automatic control system,it＇ s mainly used for angle measurement and transmission,and is widely applied in the industrial and defense fields.According to the characteristic that STM32 series microprocessor can generate multi-channel pulse-width modulation（PWM） signal,one digital signal converter（DSC） circuit is designed,which is based on PWM and used to simulate and generate rotary transformer signal,and the hardware structure is simple than traditional DSC circuit.

关 键 词：正余弦旋转变压器 PWM 数字轴角转换 STM32F4微控制器 

分 类 号：TM383.2[电气工程—电机]