Pulse Width Modulation (PWM) Furnace – Multibody, Multi-Domain Physical Model in MapleSim – Maplesoft

Pulse Width Modulation (PWM) Furnace

Some industrial ovens require careful control of the temperature.  A thermostat controller relies on variations in temperature, which would not be desirable. A Pulse Width Modulation (PWM) controller pulses the heater on and off with varying durations, depending on the output of a PID controller. This way, the temperature can be accurately controlled.

This model was created with MapleSim 2022.2

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Model Images
  • Model Model diagram for the system
  • Results These diagrams show the output of the PID controller and the carrier signal of the PWM, the resulting PWM signal and the temperature of the furnace.