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How to Control Brushless Motors (Part 2): Position-Control Loops

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ElectronicDesign

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The article discusses the importance of motor trajectory profiles and PID loops in controlling brushless DC motors. It explains how trajectory profiles help minimize vibration and optimize motor performance. The PID loop, widely used in position control, compares desired and actual motor positions to generate current commands. Practical tuning approaches like step-response testing are highlighted to achieve stable system performance. The article also touches on feedforward control, velocity loops, and the significance of motor controllers in industrial automation.

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