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This paper briefly describes the composition of electric power steering (EPS) system and the development advantages of brushless DC (BLDC) motor. Based on the mathematical model of the BLDC motor and the requirements of the EPS system for assist motor, a control strategy of the BLDC motor used in EPS system is proposed, then a simulation model of control system using in BLDC motor is set up, and its...
This paper investigates a nonlinear speed control scheme for a brushless DC motor (BLDC) drive. In order to achieve high performance speed tracking, an adaptive backstepping controller is designed to obtain the reference voltage for the pulse width modulation (PWM) control which does not require the traditional PI controller. To regulate the dynamics of the drive system, the proposed controller is...
The paper is devoted to motors static and dynamic qualitative characteristics required to compare and select brushless DC torque motors of different models and manufacturers for control systems and servo drives. By analyzing of 16 torque motors from 6 manufacturers it is shown that the most informative energetic index is the static torque quality factor measuring a developing torque per units of consumer...
A brushless DC motor (BLDCM) state equations based on speed error are established in this paper, and a sliding mode controller with a variable structure based on exponential reaching law is designed for speed regulation of BLDCM. Kalman Filter is used to improve the performance in the situation of noise disturbance. The control performances of variable-structure controller presented in this paper...
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