A PID algorithm is the ultimate feedback loop for controlling an EV3 robot. This week, we apply it to the EV3 gyro sensor, and the result is a very reliable program that keeps an EV3 robot in an accurate straight line; something that is indispensable for FLL robots. This video will teach you everything you need to know to make your own PID gyro following (drive straight) program. I will explain the three components of a PID controller (Proportional, Integral, Derivative), the math behind them, and how the relate to an EV3 robot in the real world. Finally, I explain how to adjust your program’s K-values for optimal performance.
Check out my book, “Building Smart LEGO MINDSTORMS EV3 Robots,” available on Amazon: https://amzn.to/2MyGVCl
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