步进驱动器高压恒流过程与参数计算

High-Voltage Constant-Current Process and Parameter Calculation for Stepper Motor Drives

针对步进电动机在低速和高速转矩下降的问题,开发出一种新型三相混合式步进电动机驱动器。给出驱动器全部硬件电路和软件程序,结合新器件应用,对硬件电路参数、关键数据、软件设计进行详实分析,全面剖析了单片机、逻辑控制、恒流控制、高压驱动、电流采样、过压保护、供电电源电路等,具有一定参考价值。

To solve the problem of torque decrease at low or high speed,a new three-phase hybrid stepper motor drive was developed.All the hardware circuit and software program of the drive were presented.With the new device,the hardware circuit parameters,critical data and software design were analyzed in detail.Meanwhile a comprehesive explanation of the PLC,logic control,constant cruuent control,high voltage drive,current sampling,over current protection and power supply ciruit was put forward,which is of a certain reference value.