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Design of an Accurate Speed Control System for Brushless DC Motor

Zhang Chen, Tibin Joseph

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Abstract

Abstract The brushless DC motor is widely used in industry. In this paper, we present a low cost, high accuracy control scheme based on the structure characteristics of a brushless DC motor for speed control. The main features of the control system are as follows: • Optimized motor efficiency • Control of the spindle motor speed by a micro-controller • Accuracy achieved on the operating speed at 3600 rpm is ±0.03%

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What this paper is about

Abstract The brushless DC motor is widely used in industry. In this paper, we present a low cost, high accuracy control scheme based on the structure characteristics of a brushless DC motor for speed control. The main features of the control system are as follows: • Optimized motor efficiency • Control of the spindle motor speed by a micro-controller • Accuracy achieved on the operating speed at 3600 rpm is ±0.03%

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Available abstract

Abstract The brushless DC motor is widely used in industry. In this paper, we present a low cost, high accuracy control scheme based on the structure characteristics of a brushless DC motor for speed control. The main features of the control system are as follows: • Optimized motor efficiency • Control of the spindle motor speed by a micro-controller • Accuracy achieved on the operating speed at 3600 rpm is ±0.03%

Key concepts: DC motor, Electronic speed control, Brushed DC electric motor, Control theory (sociology), Computer science, Universal motor, Motor control, Machine control

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