Brushless Permanent Magnet DC Motor: Input Voltage Speed Control – Multibody, Multi-Domain Physical Model in MapleSim – Maplesoft

Brushless Permanent Magnet DC Motor: Input Voltage Speed Control

Using the Custom Component, a Brushless Permanent Magnet DC Motor is modeled and driven with an inverter combined with switching logic. Additionally, Hall Effect sensors have been connected to the motor providing information on shaft rotation. This model controls the input voltage to the inverter to provide the speed control, allowing the motor shaft speed to track the desired input.

The attached worksheet TrapezoidalEMF.mw allows user to define the EMF characteristics of the motor and Hall Effect sensors. The worksheet generates the profiles for the rotation range of 0 to 720 degrees, and combined with the parametric brushless motor component allows the motor characteristics to be modified easily.

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