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Operating system of construction machinery

  • US 7,751,954 B2
  • Filed: 09/01/2004
  • Issued: 07/06/2010
  • Est. Priority Date: 09/02/2003
  • Status: Active Grant
First Claim
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1. An operating system for a construction machine comprising:

  • a part configured for setting a target value with respect to a frequency distribution of a prescribed state value relating to an operational condition of the construction machine, said frequency distribution is a rate at which said prescribed state value occurs;

    a part configured for detecting a prescribed state value; and

    a control part configured for calculating the frequency distribution of said prescribed state value detected by said part configured for detecting, comparing said frequency distribution thus calculated with said target value set by said part configured for setting, and outputting a previously prepared message in accordance with the comparison result, wherein a plurality of regions are set in a range of possible variation of said prescribed state value;

    said part configured for setting sets said target value for each of said regions; and

    said control part compares said frequency distribution with said target value, for each of said regions, and outputs said message in accordance with the comparison result for each of said regions.

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