| 用8253直接实现直流伺服系统中的PWM输出 |
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| 引用本文： | 段军,孙宝元.用8253直接实现直流伺服系统中的PWM输出[J].大连铁道学院学报,1999,20(2):87-89. |
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| 作者姓名： | 段军 孙宝元 |
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| 作者单位： | [1]大连铁道学院 [2]大连理工大学 |
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| 摘 要： | 在直流电机伺服系统中，晶体管脉冲宽度调制（ＰＷＭ）得到了最广泛的应用，给出了基于微机控制、用８２５３内部计数器直接实现直流力矩电机Ｈ型双极模式两路ＰＷＭ输出的设计方法，具有分辨率高、延迟时间可变等优点。
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| 关 键 词： | 脉宽调制 直流电机 伺服系统 8253芯片 PWM |
A New Method to Achieve the PWM Output Directly in DC Servo Systems by Using 8253 |
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| Duan Jun, Sun Baoyuan, Huang Hongqi.A New Method to Achieve the PWM Output Directly in DC Servo Systems by Using 8253[J].Journal of Dalian Railway Institute,1999,20(2):87-89. |
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| Authors: | Duan Jun Sun Baoyuan Huang Hongqi |
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| Institution: | Duan Jun; Sun Baoyuan; Huang Hongqi(Dalian Railway Institute) (Dalian University of Technology) |
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| Abstract: | The teChique of transist0r puIse width m0dthation (PWM) has ben widly ed in sewntf0 sps-~ of DC motOr. A deSign method is supped based on thecompwt contIDl chque tO achieve the dj-na output of wy PWM sitw in H tyPe djP0le m0d of DC moment mot0r by udring the innercoUnter of progIaInInable tdrierfcounter chip 8253. Tha method has the advantage of higharelutjon and variable~ the. |
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| Keywords: | smonolithic intergrated circuits: chip 8253 counter pulse width modulation delay time |
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