摘要
为提高缝纫机伺服控制系统的性能,使其在运行时速度稳定,位置精确,提出了一种基于无刷直流电机(BLDCM)的速度与位置精确控制方法。以DSP为控制核心,先简单介绍了BLDCM的原理,然后从调速、制动两方面入手深入分析,采用了分段式测速方法,分段PI调节,等待停车针位信号进行能耗制动。实验结果表明,该方法满足低速高速时的系统要求,取得了较好的效果,提高了系统的性能。
In order to improve the dynamic characteristics of sewing machine servo system,make it run stabilization and precision position,one based on the brushless DC motor（BLDCM） control method about the speed and position precise control is proposed.In the beginning the principle of the BLDCM is introduced.From practical application,a two-stage PI speed control method is used.For the demand of the pinpoint in sewing machine,the dissertation analyzes the brake process of the motor in detail.The experimental results show that the controller has advantages of both low speed and high speed and improves the dynamic performance and enhances of the system.
出处
《电力电子技术》
CSCD
北大核心
2010年第9期99-100,103,共3页
Power Electronics
关键词
直流无刷电机
缝纫机
伺服控制
brushless direct current motor
sewing machine
servo system
