DC motor position control using PID

In this video I show you a very basic example of PID-controlled DC motor positioning. The core of the PID-based position control is to have an encoder which provides a feedback for the PID code which can determine the control signal for the motor. For example, the user has to define a target position (setpoint) in terms of encoder pulses which is passed to the PID code which in exchange generates a control signal that we can use to drive the motor. The PID (Proportional-Integral-Derivative) controller has three parameters (P, I and D) that we need to tune so the system will give an appropriate response for a given set point.

This is a very basic video on PID and the code and the implementation is probably not the best practice, but it is enough to get started and learn the rest by experimenting and studying other people’s articles, videos…etc.

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