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Development of Driving Technology and Control System of Motor Specified for Automobile

Author: LiuXiaoLiang
Tutor: YiQunXin
School: Jilin University
Course: Control Theory and Control Engineering
Keywords: Torque Control Flux Observer PAM / PWM No speed sensor algorithm Powertrain
CLC: U464
Type: Master's thesis
Year: 2005
Downloads: 540
Quote: 0
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Abstract


In this paper, based on in-depth analysis of the structure and function of the hybrid powertrain system , car motor drive and control technology , in-depth research . Performance comparison after several motors , the selected AC induction motor , traction motor as an auxiliary powertrain system 24 series DSP controller TMS320LF2407 master chip , the development of the motor drive control program . Through theoretical analysis and simulation , we made ??a further extension of the traditional method of flux observer based on using a model based on the combination of the new and improved voltage model and current model rotor flux observer . This method , both in the low-speed operation of the motor case or the case of high-speed operation , can get good performance flux observer . Speed ??observation through theoretical derivation prove : stator current estimated speed can not be observed in the low - speed case . The speed sensor algorithm research and development status based on the counter- electromotive force error as a regulator of the object , the use of model reference adaptive algorithm (MRAS) extrapolated motor speed . The status of the induction motor drive and control technology at the same time , according to the operating mode of the motor were constructed a dynamic model of the motor , and a comparative analysis of the direction of the magnetic field torque control technology in the car with the motor control application performance obtained with two conclusions of the control loop ( torque and flux control loop ) motor control system , stability advantages in torque ripple change . PAM / PWM control technology on the basis of the pulse width modulation control technology to improve the performance of the drive slip limit . Finally, given the dynamic simulation of the control system design and programming ideas .

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive engine
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