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EXTENDED ACTIVE DISTURBANCE REJECTION CONTROLLER

  • US 20140195013A1
  • Filed: 12/05/2013
  • Published: 07/10/2014
  • Est. Priority Date: 04/18/2002
  • Status: Active Grant
First Claim
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1. A system for controlling velocity of a plant, comprising:

  • a first order state space model comprising a velocity value, v(t), where v(t) equals the sum of f(t) and b*u(t), f(t) represents the combined effects of internal dynamics and external disturbance of the plant, u(t) is a control signal, and b is a constant to an approximate value;

    a linear extended state observer, which is a function of a single performance parameter, for estimating the value of f(t); and

    a monitor adapted to cancel the effect of f(t) on the velocity value by an estimate from the linear extended state observer.

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