| 基于MSP430单片机的直流电动机调速系统的设计 |
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| 引用本文： | 徐坤,周子昂,吴定允,李向东. 基于MSP430单片机的直流电动机调速系统的设计[J]. 煤矿机械, 2013, 34(1): 170-171 |
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| 作者姓名： | 徐坤 周子昂 吴定允 李向东 |
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| 作者单位： | 周口师范学院,河南周口,466001 |
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| 基金项目： | 周口师范学院青年科研基金项目(zknuqn201132B) |
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| 摘 要： | 介绍了以一种超低功耗16位混合信号单片机MSP430F449作为核心控制芯片,光电编码器检测直流电机转速构成速度反馈,MSP430F449的定时器生成PWM,应用功率驱动芯片L298N构成驱动电路,采用PID控制算法,实现了直流电动机转速的闭环控制。给出了硬件原理图和相应的软件设计流程。
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| 关 键 词： | MSP430单片机 PWM 直流电动机 PID |
Design of DC Electromotor Regulating Speed System Based on MSP430 Microcontroller |
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| XU Kun,ZHOU Zi-ang,WU Ding-yun,LI Xiang-dong. Design of DC Electromotor Regulating Speed System Based on MSP430 Microcontroller[J]. Coal Mine Machinery, 2013, 34(1): 170-171 |
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| Authors: | XU Kun ZHOU Zi-ang WU Ding-yun LI Xiang-dong |
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| Affiliation: | (Zhoukou Normal University,Zhoukou 466001,China) |
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| Abstract: | This paper introduces MSP430F449 that is a kind of ultralow-power consumption 16-bit mixed signal microcontroller.The feedback speed is formed by photoelectric encoder.Regulating speed is achieved by PWM.L298N chip is adapted to drive DC electromotor.PID algorithm implements closedloop control function.The circuit of hardware and corresponding software of the design are also given. |
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| Keywords: | MSP430 microcontroller PWM DC Electromotor PID |
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