| 基于P89C51Rx2可编程计数器阵列(PCA)实现直流电机调速控制 |
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| 引用本文： | 施云贵,孙玉杰,姜维利.基于P89C51Rx2可编程计数器阵列(PCA)实现直流电机调速控制[J].仪器仪表学报,2006,27(5):531-533. |
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| 作者姓名： | 施云贵 孙玉杰 姜维利 |
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| 作者单位： | 1. 吉林化工学院自动化系,吉林,132022
2. 北京康斯特科技有限公司,北京,100085 |
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| 摘 要： | 直流电机调速控制通常采用单片机（MCU）以PWM脉宽调制方式驱动H桥电路实现，一般的单片机实现PWM脉宽调制编程较复杂，且易产生误动作，基于MCS-51系列增强型单片机P89C51Rx2可编程计数器阵列（PCA）特殊定时器的PWM脉宽调制模式实现的直流电机调速控制硬件电路及软件编程简单、稳定性好、可靠性高。
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| 关 键 词： | H桥电路 |
Speed Control of DC Motor Based on P89C51Rx2 Programmable Counter Array (PCA) |
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| Shi Yungui,Sun Yujie,Jiang Weili.Speed Control of DC Motor Based on P89C51Rx2 Programmable Counter Array (PCA)[J].Chinese Journal of Scientific Instrument,2006,27(5):531-533. |
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| Authors: | Shi Yungui Sun Yujie Jiang Weili |
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| Abstract: | The rotation speed of DC motor is usually adjusted by using MCU and driving the H bridge circuit with PWM.The regular ways using MCU with PWM were more complicated and easy to make mistake action.Based on the PWM mode programmed by the programmable counter array(PCA) of the MCS-51 series strengthen MCU P89C51Rx2,the rotation speed of DC motor is adjusted,which has simple hardware circuits and software programming,good stability and high credibility. |
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| Keywords: | P89C51Rx2 MCU PCA PWM |
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