范文编号:ZD576 范文字数:18522,页数:46,有开题报告,任务书,文献综述,CAD图 摘 要: 直流电动机以其优良的转矩特性在运动控制领域得到了广泛的应用,但普通的直流电动机由于需要机械换相和电刷,可靠性差,需要经常维护;换相时产生电磁干扰,噪声大,影响了直流电动机在控制系统中的进一步应用。直流电动机是近年迅速兴起的一种新型电机,它广泛应用与工业,农业,以及军事等领域。 直流电动机既保持了直流电动机良好的调速控制特性,又消除了电刷和换向器的机械接触。本文是对无刷直流电动机做出深入的剖析与设计。无刷直流电动机是一种具有高效率、低磨损、低噪声的新型直流电机机种.本设计在介绍无刷直流电动机设计中,关于相数、极数、槽数及绕组连接方式的选择方法和应遵从的规律.而且针对小功率直流电动机结构特点和工作性能,在电枢反应理论基础上设计出功率为120w的无刷直流电动机,并对霍尔位置传感器和无刷电动机的控制及驱动做了详细的分析。 Abstract :The better governing speed characteristic is kept and the mechanical touch between brushes and commutator is removed as well in brushless DC Motors. Brushless DC motor is rapidly developing new motor in the recently, and it widely used in industry, agriculture and in the army. This paper intends to make a better on the Design of Brushless DC motor .The DC motor without coal brushless is in a new style, with higher work efficiency. Less wear and lower noise. This paper presents the method of selecting phase, slot number and winding connection type and introduces the laws that should be obey in the design of brushless DC motor. Also based on introducing the structure of a light power DC motor, a 120w light power DC motor is design according to the theory. Not only make a lot of detail analyzed about the Hall position sensor in this paper .but also the bruless DC’s controls and the driving-methods for brushless DC. 目 录 摘 要 Ⅰ 2.3.3 回馈制动 19 直流机组电动机的设计相关范文 |
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