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System and method for representing parameters in a work site database

DC
  • US 5,935,192 A
  • Filed: 12/12/1996
  • Issued: 08/10/1999
  • Est. Priority Date: 12/12/1996
  • Status: Expired due to Term
First Claim
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1. An apparatus for directing the operation of a working machine on a work site, comprising:

  • a position sensing system adapted to sense the position of at least one fixed point located on the working machine as the working machine traverses the work site and responsively producing a position signal;

    a controller, adapted to receive the position signal, the controller containing a database containing data representing a parameter of the work site, the data contained in a data structure, the data structure containing a plurality of data objects associated with the data structure, each data object representing a defined section of the work site and represented by a set of predefined coordinates and at least one layer object, each layer object having a predefined number or cell objects, each cell object having an associated value of the parameter and defined by a set of coordinates derived from said set of predefined coordinates; and

    directing means, coupled to the controller, for accessing the database and responsively directing operation of the working machine.

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