The brushless direct current (BLDC) motor drive is gaining popularity due to its excellent controllability and high efficiency. This paper introduces a fault diagnosis method for open circuit (OC) short (SC) BLDC drives using hybrid classifier with optimization. Features such as current, voltage, speed, torque are considered the training data. features extracted by discrete wavelet transform (D...

The Permanent Magnet Brushless DC (BLDC) motor offers higher efficiency, low maintenance, reduced weight and compact construction. For many industrial applications, the BLDC motor is increasingly being used. This paper presents a new sensorless drive scheme for BLDC motor based on the back EMF difference. The commutation point of the drive is determined by detecting the Zero Crossing Point (ZCP...

─ Brushless dc (BLDC) motor drives are continually gaining popularity in motion control applications. Therefore, it is necessary to have low cost, but effective speed/torque characteristics. A Brushless DC (BLDC) drives are known for higher efficiency and lower maintenance. As the name implies, BLDC motors do not use brushes for commutation instead, they are electronically commutated. For effec...

This paper surveys the literature of the brushless DC motor speed control techniques. The paper should prove useful to both researchers as well as practising engineers as a signpost to the current state of the art. Based on the review some further studies are suggested.

The circuit-field coupled model is very accurate but it is computationally inefficient in studying the output performance of brushless dc motors. In order to resolve the problem, an estimation strategy based on an integrated radial basis function (RBF) network is proposed in this paper. The strategy introduces new conceptions of the network group that are being realized by three steps, namely: ...

Brushless DC motors play a vital role as workhorse in many applications, especially home appliances. In the competitive world of day, brushless motor is wise choice for applications because its high power density, simple driving circuit, and efficiency. Accordingly, demonstrating feasibility new controller on this type has undoubtedly paramount importance. Two methods speed controllers, namely ...

Steering system is an important man-machine interface, for which transmits driver's lateral control intention to the vehicle. In order to improve the vehicle lateral stability, a double closed-loop control scheme of yaw rate for active front steering system was proposed in this paper. To investigate the control effects of the double closed-loop control scheme of yaw rate, a two degree-of-freedo...

This study focused on efficiency improvement of BLDC motors via reduction of torque ripple, core loss, and permanent magnet loss. To achieve this objective, we proposed an improved 150° commutation method for three-phase permanent magnet brushless DC (BLDC) motors to improve the current waveform. Although the 120° commutation method is generally employed for a BLDC motor, the 150° commutation m...

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This paper refers to the design of a motor control system required for a brushless DC motor control application. The paper work includes the design and development of the necessary hardware supported by appropriate embedded software. The BLDC motor has certain advantages over other motors such as maximum torque to weight ratio, high speed etc, but it requires an electronic commutator such as a ...