Friday 11 October 2024

Lecture 2-2: Principles of Actuators and Drivers

We have studied the electromagnetic principle for generating forces/motion of actuators.

The working principle of a DC motor was illustrated. The relationship between the current and torque, torque and speed was explained.

The key driver, named H-bridge, and PWM control signal for DC motor was introduced and analyzed. In addition, we introduced the working principles of DC motors and Stepper motors, and how to control it, especially with Arduino board (using PWM signal generated by the Timers/Counters).

Lab exercises will be given to strengthen learnt knowledge.


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