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Sensorless control of a BLDC motor with back EMF detection method using DSPIC

K.S., Rama Rao and Nagadeven , - and Taib , S. (2008) Sensorless control of a BLDC motor with back EMF detection method using DSPIC. In: 2008 IEEE 2nd International Power and Energy Conference, PECon 2008, 1 December 2008 through 3 December 2008, Johor Bahru.

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Abstract

This paper proposes a scheme for sensorless control of a brushless dc (BLDC) motor by direct back EMF detection method using dsPIC30F3010. A mathematical model of the drive system is simulated with MATLAB SIMULINK Toolbox and the reference design incorporates both hardware and software parts of the system. The simulated and experimental results from a prototype BLDC drive system are verified. Experimental waveforms of phase back EMF, current and speed obtained from a 3-phase, 120 W, 4-pole, BLDC drive system are validated with simulation results. As the terminal voltage of the motor is proportional to the phase back EMF on the floating phase, the DSP-ADC feature utilized to sense the back EMF proved the validity of sensorless control over a wide speed range. © 2008 IEEE.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Computer software; DC generator motors; DC motors; MATLAB; Back emf detections; Back-EMF; BLDC motor; Brushless DC; Drive systems; DsPIC; Floating phase; Hardware and softwares; Matlab-SIMULINK; Reference designs; Sensorless control; Simulation; Simulation results; Terminal voltages; Wave forms; Wide speed ranges; Motors
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments / MOR / COE:Departments > Electrical & Electronic Engineering
ID Code:258
Deposited By: Assoc Prof Dr K. S. Rama Rao
Deposited On:01 Mar 2010 08:53
Last Modified:19 Jan 2017 08:26

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