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Hypertrapezoidal fuzzy dynamic state interpreter

  • US 6,272,477 B1
  • Filed: 09/04/1998
  • Issued: 08/07/2001
  • Est. Priority Date: 09/05/1997
  • Status: Expired due to Fees
First Claim
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1. An apparatus for determining a state of a dynamic system comprising:

  • a sensor section operable to sample a plurality of different physical parameters of the system to produce a multi-dimensional sample; and

    a mode interpreter operable to;

    maintain a respective predetermined prototype point for each of a plurality of multi-dimensional fuzzy sets which each correspond to a respective one of a plurality of possible states of the system;

    determine a degree of hypertrapezoidal fuzzy membership of said sample in each of said multi-dimensional fuzzy sets based on a calculation which is a function of said prototype points and said sample; and

    select one of said states as a function of said determined degrees of hypertrapezoidal fuzzy membership.

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