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Method and apparatus for automatic synthesis controllers

  • US 6,564,194 B1
  • Filed: 09/10/1999
  • Issued: 05/13/2003
  • Est. Priority Date: 09/10/1999
  • Status: Expired due to Term
First Claim
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1. A system-implemented iterative process for creating at least one controller that satisfies prespecified design goals, the at least one controller for controlling a plant by producing at least one control signal to control plant operation to match a reference signal indicative of a desired response for a plant, the iterative process invoking iterations, each of which comprises:

  • dividing a population of controller programmatic entities into a plurality of subpopulations of controller programmatic entities, wherein each controller represented by the controller programmatic entities processes time domain input signals as part of generating the reference signal;

    ascertaining a degree to which each controller programmatic entity in the subpopulation of controller programmatic entities satisfies the prespecified design goals using a separate processor for each of the subpopulations;

    selecting from among the subpopulation of controller programmatic entities, wherein a controller specified by one controller programmatic entity that satisfies the prespecified design goals to a greater degree than another controller specified by another programmatic entity is more likely to be preferred; and

    creating at least one candidate controller programmatic entity by applying an operation to modify at least one of the selected controller programmatic entities.

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