Regenerative braking of Brushless DC motor using Pulse width Modulation

2021 ◽  
Author(s):  
Shivam Dubey
Keyword(s):  
Pulse Width ◽  
Pulse Width Modulation ◽  
Dc Motor ◽  
Regenerative Braking ◽  
Brushless Dc Motor ◽  
Brushless Dc

Experiment Research on Five-Segment Type Space Vector Pulse Width Modulation for Permanent Magnetic Brushless DC Motor

2014 ◽  
Vol 672-674 ◽  
pp. 1219-1223 ◽  
Author(s):  
Zhi Ling Liao ◽  
Xiao Lei Cai ◽  
Hong Ping Jia ◽  
Wei Dong Shi
Keyword(s):  
Pulse Width ◽  
Pulse Width Modulation ◽  
Torque Ripple ◽  
Dc Motor ◽  
Brushless Dc Motor ◽  
Experiment Research ◽  
Space Vector ◽  
Brushless Dc ◽  
Switching Losses ◽  
Static Performance

Traditional square current driving method has deficiencies in muting and efficiency when controlling the brushless DC motor. This paper presents a method of space vector pulse width modulation for BLDCM, which is in five-segment type. A mathematical model of BLDCM, which is in d-q coordinate system, was established. Then, the experimental platform was constructed with the STM32F103 for BLDCM of electric vehicle. And the experiment results verify the properties of little torque ripple, smooth operation and low switching losses. Besides, the system dynamic and static performance is greatly improved, and has strong robustness. The method proposed overcomes the shortcomings of square current driving method in control efficiency and motor noise.

Modeling and Simulation of Brushless DC Motor with Nonideal Back EMF

2011 ◽  
Vol 130-134 ◽  
pp. 3434-3437
Author(s):  
Ying Zhao ◽  
Yong Jun Yang
Keyword(s):  
Modeling And Simulation ◽  
Electromotive Force ◽  
Pulse Width ◽  
Pulse Width Modulation ◽  
Dc Motor ◽  
Current Control ◽  
Brushless Dc Motor ◽  
Rotor Speed ◽  
Brushless Dc

The back electromotive force (EMF) waveform of brushless dc motor (BLDCM) is trapezoid. But it is not absolutely trapezoid because of motor manufacturing. In this paper, a method of modeling for BLDCM with nonideal back EMF is presented. Eighteen states during an electric angle cycle are obtained after the nonideal back EMF of BLDCM is analyzed. The S-Function of MATLAB is used to generate the nonideal back EMF according to rotor speed and position. The pulse width modulation (PWM) current control of BLDCM is adopted. Simulated results validate the method.

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