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The Research of Control System for Permanent Magnetic Brushless DC Motor Using DSP Technology

Author: ZhaoWenHua
Tutor: LuoYaoHua
School: Harbin Engineering University
Course: Control Theory and Control Engineering
Keywords: DSP Brushless DC Motor Control system Electric propulsion
CLC: TM33
Type: Master's thesis
Year: 2002
Downloads: 935
Quote: 7
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Abstract


Traditional DC electric propulsion system has been in the submarine propulsion dominate , but due to the inherent defects of the DC motor that mechanical commutator and brush leading stand-alone limited capacity and high reliability , noise , forcing people to explore more quiet and efficient and reliable single large capacity of the propulsion motor . Permanent magnet brushless DC motor has matured in recent years, with the rapid development of power electronics technology and micro- control technology , small size, light weight , high efficiency and low noise , single large capacity , high reliability , so that there is hope to become The new generation of submarine propulsion motor . The paper presents the DSP chip TMS320C24x the permanent magnet brushless DC motor control system design . Take advantage of the DSP series chip for low-cost , highly intelligent brushless motor control system design , to simplify the system structure , reduce system cost , and enhance system performance , and at the same time capable of a variety of operational requirements . Papers for the theoretical basis of a mathematical model of permanent magnet brushless DC motor , permanent magnet motor system control law then proposed position sensors and position sensor control scheme based on DSP technology , and under the program hardware circuit design and system software . Position sensor design process , discussed in detail the Hall position signal detection principle and commutation control principle and implementation process ; in no position sensor design , a single resistor current sensing principle and position estimation algorithm , and on related software code are analyzed. The same time , the paper also debug the problems encountered in the process as well as the solution described . Finally , the actual operation of the control system waveform observation, given the conclusions , summarizes the brushless DC motor control system design thinking , will become the main driving force of the ship electric propulsion asked the permanent magnet brushless DC motor , its control the system has a wide range of application value .

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CLC: > Industrial Technology > Electrotechnical > Motor > DC motor
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