Sensorless Control of a BLDC Motor with Back EMF Detection Method using DSPIC

被引：3
|
作者：
Rao, K. S. Rama [1 ]
Nagadeven [2 ]
Taib, Soib [3 ]
机构：
[1] Univ Teknol PETRONAS, Dept Elect & Elect Engn, Tronoh 31750, Malaysia
[2] Flextron Int, Johor Baharu 14100, Malaysia
[3] Univ Sains Malaysia, Sch Elect & Elect Engn, Gelugor 14300, Malaysia
来源：
2008 IEEE 2ND INTERNATIONAL POWER AND ENERGY CONFERENCE: PECON, VOLS 1-3 | 2008年
关键词：
BLDC motor; sensorless control; simulation; dsPIC;
D O I：
10.1109/PECON.2008.4762477
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
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.
引用
收藏
页码：243 / +
页数：3
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