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Implementation of Multi-Motor Controller Based on a Single Microcontroller

Journal: The Journal of the Institute of Internet, Broadcasting and Communication (Vol.15, No. 1)

Publication Date:

Authors : ; ; ;

Page : 237-243

Keywords : Multi-Motor Control; PMSM(Permanent Magnet Synchronous Motor); Vector Control;

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In this paper, we consider a cascaded type of control architecture for a multi motor-based feedback control system and propose an ADC (Analog to Digital Converter) resource allocation method to efficiently utilize the limited ADC resources. The purpose of the resource allocation method is to minimize both the motor position measurement error and the d-q current measurement error. The cascaded type of control architecture is applied in parallel to each motor to independently control the speed of a motor in the multi motor control system. All the control algorithms are implemented by software using a single microcontroller without using additional microcontrollers. It is illustrated by experiments that the speed and the torque of each motor are controlled precisely by the proposed control architecture with the efficient ADC allocation method.

Last modified: 2015-11-18 17:07:14