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Method for determining the productivity of an earth moving machines

  • US 5,815,826 A
  • Filed: 03/28/1996
  • Issued: 09/29/1998
  • Est. Priority Date: 03/28/1996
  • Status: Expired due to Term
First Claim
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1. A method for automatically determining the productivity of an earthmoving machine in real-time using an onboard computer, the earthmoving machine operating in cycles having a first portion and a second portion, the earthmoving machine moving in a first direction during the first portion and in a second direction during the second portion, comprising:

  • for a series of cycles, detecting the start of each cycle;

    determining a start position of the earthmoving machine at the start of the first portion of each said cycle;

    determining an end position of the earthmoving machine at the end of the first portion of each said cycle;

    calculating a horizontal distance moved as a function of said start and end positions for each said cycle;

    calculating a slope as a function of said start and end positions for each said cycle;

    calculating a cumulative horizontal distance traversed;

    calculating a cumulative slope traversed; and

    calculating a measure of productivity as a function of at least one of said cumulative horizontal distance and said cumulative slope traversed.

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