基于F28335的旋转变压器接口电路的应用设计

Design of interface circuit for magslip based on F28335

文中分析了旋转变压器的工作原理,提出了角度跟踪观察器的解码算法。基于F28335设计了旋转变压器的应用接口电路,应用Multisim软件对接口电路进行仿真分析,并进行了实验验证。该接口电路具有误差小、实时性好、可靠性高、抗干扰能力强等优点,能够实现电机在开、闭环工作方式下位置、速度的检测,具有较高的应用价值。

This paper analyses the working principle of resolver,and shows a software decoding method- the angle tracking observer.The interface circuit for magslip based on F28335 was designed,Multisim software for simulation of interface circuit was used,and the test of interface circuit was validated.The interface circuit has the advantages of smaller error,good real-time performance,high reliability, strong anti-interference ability, can accurately detect the position and speed of motor in the open or closed loop mode, has higher application value.