步进电动机微步驱动技术进展研究  

Research on Microstepping Driver Technology Progress of Stepper Motor

作　　者：廖驹 马文超 LIAO Ju;MA Wenchao(China Key System&Integrated Circuit Co.,Ltd.,Wuxi 214072,China)

机构地区：[1]中科芯集成电路有限公司,无锡214072

出　　处：《微特电机》2022年第12期63-67,共5页Small & Special Electrical Machines

摘　　要：混合式步进电动机通过微步驱动技术实现了更小的步进角度,转动时更加平稳,改善了动态响应能力,提高了系统的控制精度和稳定性。实现微步的驱动电路系统,需要解决高细分时正余弦电流控制、电流衰减控制以及步进速率控制等关键问题,不同功能集成度的芯片给微步驱动系统的设计带来不一样的驱动性能和调优难度。对步进电动机的微步原理、驱动系统主要功能模块、典型技术实现方案以及更全功能集成芯片的分析研究,为开发更高性能和经济性的微步驱动系统提供参考。The hybrid stepper motors using microstepping drive technology can achieve smaller step angle,more smooth performance during rotation,and improve the dynamic response speed and the control precision and stability of the system.The drive circuit system of microstepping needs to solve the key problems of high subdivision sine and cosine current control,current decay control and step rate control,the chip with different function integration brings different drive performance and tuning difficulty to the design of microstepping drive system.The analysis and research of the stepper motor's microstepping principle,the main function module of the drive system,the typical technology implementation scheme and the fuller function integrated chip provides a reference for the development of microstepping drive system with higher performance and economy.

关 键 词：混合式步进电动机 微步驱动 电流衰减 步进速率控制 

分 类 号：TM383.6[电气工程—电机]