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

Brushless Permanent Magnet DC Motor: PWM 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 uses a PWM driven speed control strategy allowing the motor shaft speed to track the desired input.

The characteristics of the trapezoidal EMF and the Hall Effect sensors were created by the app "Data Generation". It generates the file "mydata.csv" with the profiles for the rotation range of 0 to 720°, and combined with the parametric brushless motor component allows the motor characteristics to be modified easily.

This model was created with MapleSim 2022.2
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Model Images
  • model Model schematic of the system
  • results Simulation results
  • BLDC motor (Custom Component) BLDC motor (Custom Component)