| 步进电动机开环驱动 |
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| 引用本文： | 龙尚斌,吴泽华,曹伟华,陈琳.步进电动机开环驱动[J].机械与电子,2009(9):26-28. |
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| 作者姓名： | 龙尚斌 吴泽华 曹伟华 陈琳 |
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| 作者单位： | 中南大学,湖南,长沙,410083 |
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| 摘 要： | 根据步进电机的转速与脉冲频率直接相关，通过恒流斩波、PWM脉冲调宽及细分控制方法，得到很好的输出效果。单片机开环控制步进电动机，进行速度调节、转向控制，介绍了STR672—080芯片控制四相步进电动机，实现16细分，使步进电动机近似匀速运动。同时对采用细分控制的精密注射泵进行实验精度测定，得到细分控制的平均精度达到99．9％以上。
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| 关 键 词： | 步进电机 脉冲 PWM 细分驱动 STK672-080 |
Open-loop Stepper Motor Driver |
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| LONG Shang-bin,WU Ze-hua,CAO Wei-hua,CHEN Lin.Open-loop Stepper Motor Driver[J].Machinery & Electronics,2009(9):26-28. |
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| Authors: | LONG Shang-bin WU Ze-hua CAO Wei-hua CHEN Lin |
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| Affiliation: | Central South University;Changsha 410083;China |
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| Abstract: | According to the stepper motor speed and pulse frequency which is directly related,through the constant-current chopper,PWM pulse-width-modulated control method and the breakdown has been a very good output.Single-chip stepper motor open-loop control for speed adjustment,steering control,especially the introduction of the STR672-080-chip four-phase stepper motor control,implementation 16 segments,so that stepper motor sports uniform approximation.At the same time,the adoption of subdivision control measured... |
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| Keywords: | PWM STK672-080 |
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