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Liquid gauging using sensor fusion and data fusion

  • US 6,157,894 A
  • Filed: 12/23/1997
  • Issued: 12/05/2000
  • Est. Priority Date: 12/23/1997
  • Status: Expired due to Term
First Claim
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1. Liquid gauging system for liquid in a container, comprising:

  • a plurality of sensors;

    each of said sensors measuring a respective parameter of the liquid in the container and producing a sensor output related to said parameter measured thereby;

    there being at least two sensors that measure different parameters of the liquid; and

    a processor that receives said sensor outputs and determines, based on said sensor outputs, a quantity of the liquid in the container;

    said processor determining said quantity by executing at least one sensor fusion algorithm that is based on a set of relationships between said measured parameters and said quantity.

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