| 方波无刷直流电机宽调速系统的研究与设计 |
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| 引用本文： | 高红,梁贵毅,范蟠果,葛林.方波无刷直流电机宽调速系统的研究与设计[J].电力电子技术,2008,42(12). |
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| 作者姓名： | 高红 梁贵毅 范蟠果 葛林 |
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| 作者单位： | 西北工业大学,陕西,西安,710072;西北工业大学,陕西,西安,710072;西北工业大学,陕西,西安,710072;西北工业大学,陕西,西安,710072 |
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| 摘 要： | 针对无刷直流电动机的低速脉动性能进行了数学建模和分析研究,找出传统控制结构在低速时存在转矩脉动较大和电流断续的原因.同时以电动机专用控制芯片TMS320F2812为控制核心,设计了一种新型电机主功率结构电路,并给出了该电路的功率变换拓扑、工作原理,以及给出了转速闭环控制电路.经实验表明,该系统设计克服了传统结构在低速时存在的转矩脉动较大和电流断续的弊端,很好地提高了方波无刷电机的调速范围.
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| 关 键 词： | 无刷直流电机 调速系统 控制器 |
Research and Design of Wide Range Speed Control System of Brushless DC Motor |
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| GAO Hong,LIANG Gui-yi,FAN Pan-guo,GE Lin.Research and Design of Wide Range Speed Control System of Brushless DC Motor[J].Power Electronics,2008,42(12). |
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| Authors: | GAO Hong LIANG Gui-yi FAN Pan-guo GE Lin |
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| Affiliation: | GAO Hong,LIANG Gui-yi,FAN Pan-guo,GE Lin(Northwestern Polytechnical University,Xi\'an 710072,China) |
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| Abstract: | This paper models and analyzes the low speed ripple performance of square-wave brushless DC motor(BLD-CM),and finds out the reasons of large torque ripple and the shortcomings of current in the traditional structure of low-speed.And then,a new main electrical power structure is designed by TI's TMS320F2812 for the control of the core and introduces the principle of main power-converter topology about BLDCM.The speed close-loop control circuits are given.It overcomes the defects of large torque ripple and th... |
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| Keywords: | brushless DC motor speed control system controller |
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