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Controller and method of controlling an apparatus

  • US 20050027373A1
  • Filed: 06/05/2002
  • Published: 02/03/2005
  • Est. Priority Date: 06/05/2001
  • Status: Active Grant
First Claim
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1. A controller for controlling a physical apparatus, the controller comprising first input means for receiving a primary input signal representing a measured state of the apparatus, and signal processing means responsive to said primary input signal for generating a control signal for influencing the state of the apparatus so as to maintain a desired state, the controller having at least one further input for a signal representing additional measurements of the apparatus or its environment, said signal processing means including correcting means for including corrections in said control signal in response to said additional measurement signal, and means for conditioning the response of said correcting means automatically in response to temporal cross-correlation observed between said additional measurement signal and said control signal observed during operation of the controller and apparatus together.

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