What is a PID controller - MDHSRobotics/TeamWiki GitHub Wiki

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#What is a PID Controller?

A PID controller is used to better control motion like speed, position of arms, etc. The concept is that a goal, e.g. position of arm, is set and feedback is used to monitor progress towards the goal. Error is calculated and used in providing adjustments to the signal controlling the actuator, e.g. servo motor, trying to achieve the goal.

###References

• FRC PID Tutorial
• PID for Dummies
• Wikipedia PID Controller
• PID Theory Explained by NI
• PIDController Javadoc by WPILib