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Signal generator for modelling dynamical system behavior

  • US 5,790,757 A
  • Filed: 06/04/1997
  • Issued: 08/04/1998
  • Est. Priority Date: 07/08/1994
  • Status: Expired due to Fees
First Claim
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1. A device comprising an electronic circuit with a signal generator for providing a generator signal at a generator output, the signal generator comprising:

  • a mapping section having;

    first, second and third mapping inputs for receiving first, second and third mapping input signals, respectively; and

    first and second mapping outputs for supplying first and second mapping output signals, respectively, each respective one of the first and second mapping output signals being determined by a respective functional relationship between the first, second and third mapping input signals;

    a first feedback path connected between the first mapping output and the first mapping input for supplying the first mapping output signal to the first mapping input;

    a second feedback path interconnecting the first mapping output and the second mapping input, the second feedback path comprising differentiating means for providing to the second mapping input a derivative of the first mapping output signal with respect to an independent variable; and

    a third feedback path interconnecting the second mapping output to the third mapping input, the generator output being connected to the third feedback path;

    wherein;

    the first and third feedback paths are operative to constrain the first, second and third mapping input signals to an interdependence determined by the functional relationships; and

    the second feedback path is operative to create a differential equation from the interdependence.

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