关键字
协会热线:029-84276641
            首页微电机期刊
 
  综述
  伺服与控制
  设计与研究
  专题讲座
  检测技术
  工艺技术
  经验交流
  实用技术
  读者园地
  技术交流
  使用与维护
  标准评述
  工艺与装备
  驱动与控制
  应用研究
  测试研究
  精品连载
 
标题:两相步进电机的控制及微驱动器的设计
作者:李亮波,刘继忠,张 华
2011年第2期 访问次数:259次

摘  要:介绍一种通过串口通信来控制微型步进电机的方法,控制指令由在PC机的控制界面发送,单片机MSP430F149通过串口接收控制指令继而驱动步进电动机。串口通信采用USB转UART桥接器芯片CP2102和驱动电路中的A3901芯片,都只需要很少的外围元器件,从而简化了驱动及控制电路,使其可应用于一些微控制的场合。
关键词:步进电机;串口通信;CP2102; A3901

Abstract: An efficient differential detection technique of GMSK system using decision feedback(DF) was proposed. This new method, by adding a broad band 90° phase-shift network after the LPF(Low Pass Filter) and a software decision method, presented the same performance as that of conventional DF detection system, but avoided the degradation in BER performance induced by the delay of LPF. The complexity of operation for the new DF system can be decreased as half the former system. This new method is especially useful for portable frequency hopping communication terminal. From the probability distribution of the phase angle between two vectors perturbed by Gaussian noises, the formulae of error probability performance of DF system were obtained. Simulation results show that the theoretical investigation gives analogous results with the Monte Carlo error counting technique.
Key words: decision feedback; GMSK; differential detection; error probability

 
 
 
    广告服务 |   商务合作 |   使用帮助 |   网站地图 |     主办:中国电器工业协会微电机分会      挂靠:西安微电机研究所有限公司      地址:西安市高新区上林苑四路36号(710117)
   copyright © www.china-micromotor.com.cn all rights reserved.     版权所有:微电机网     陕ICP备05005551号-2
 

西安微电机研究所有限公司公众平台
二维码

《微电机》杂志公众平台二维码