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Unread 14-03-2010, 17:50
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Re: Neat demonstration of proportional and PID control systems

Quote:
Originally Posted by Chris Hibner View Post
Think "D is for damping". It is kind of like software friction. It always acts in the opposite direction of motion, and is proportional to how fast the object is moving. The faster the object moves, the more the D control tries to slow it down. This helps to settle out oscillation and remove overshoot.
Yup. That's why you can crank up P if you add some D. Thereby getting even better dynamic response.


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