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Scaling and parameterizing a controller

  • US 8,406,905 B2
  • Filed: 08/18/2011
  • Issued: 03/26/2013
  • Est. Priority Date: 04/18/2002
  • Status: Active Grant
First Claim
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1. A system for controlling a process of an Nth order closed-loop system, comprising:

  • a controller having two or more identified gains that are functions of a single control tuning parameter, wherein the controller is embodied on at least one of an integrated circuit, a microprocessor, or a programmable logic device, and whereinthe two or more gains are represented by respective two or more mathematically related functions, wherein an only variable of the respective two or more functions is the single control tuning parameter to yield a parameterized controller,the single control tuning parameter is a control system bandwidth ω

    c of the controller that defines a common location of N poles of the Nth order closed-loop system, the Nth order closed-loop system comprising the controller and a plant, where N is an integer; and

    wherein the parameterized controller is used to control the plant.

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