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US5463567: Apparatus and method for providing historical data regarding machine operating parameters

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Filing Information

Inventor(s) Charles G. Boen · John M. Hadank · Kenneth J. McGuire · David R. Schricker · Rolland D. Scholl ·
Assignee(s) Caterpillar Inc. ·
Attorney/Agent(s) Steven R. Janda ·
Primary Examiner Emanuel T. Voeltz ·
Assistant Examiner M. Kemper ·
Application Number US8137853
Filing date 10/15/1993
Issue date 10/31/1995
Predicted expiration date 10/15/2013
U.S. Classifications 364/551.01  · 364/550  ·
International Classifications G01M 1700  ·
Kind CodeA
International Classifications 364550;551.01;551.02;554;424.03;424.04 ·
16 Claims, No Drawings


Abstract

When compiling machine performance data it is advantageous for such data to have been acquired during periods in which the machine was in the same general operating state. The subject invention provides a system for producing historical data regarding machine operating parameters and including a plurality of sensors for producing signals indicative of the level of machine parameters. A control is included for selecting data representative of a first operating parameter in response to a dependency definition being satisfied and for processing the selected data to provide an indication of machine performance.

Independent Claims | See all claims (16)

  1. 1. An apparatus for providing historical data regarding machine operating parameters, comprising:a plurality of sensor means for producing signals indicative of the level of machine parameters, said machine parameters including a first operating parameter and two or more dependency parameters, at least one of said dependency parameters being different from said first operating parameter;means for selecting a processing method according to which operating parameter data is to be processed;control means for receiving said signals and selecting data representative of said first operating parameter in response to a dependency definition being satisfied and discarding data representative of said first operating parameter in response to said dependency definition being unsatisfied, said dependency definition including a plurality of predefined ranges, each of said dependency parameters corresponding to one of said predefined ranges, said dependency definition being satisfied in response to said two or more dependency parameters each being within the corresponding predefined range;memory means for storing the level or levels associated with the predefined range for each of said dependency parameters, each of said predefined ranges being accessible by said control means; andcompiling means for receiving the selected data from said control means, processing said selected data according to the selected processing method, and storing the processed data in said memory means.
  2. 11. A method for providing historical data regarding machine operating parameters, comprising the steps of:producing signals indicative of the level of machine operating parameters, said machine operating parameters including a first operating parameter and two or more dependency parameters, at least one of said dependency parameters being different from said first operating parameter;selecting a processing method according to which operating parameter data is to be processed;selecting data representative of said first operating parameter in response to a dependency definition being satisfied and discarding data representative of said first operating parameter in response to said dependency definition being unsatisfied, said dependency definition including a plurality of predefined ranges stored in memory, each of said dependency parameters corresponding to one of said predefined ranges, said dependency definition being satisfied in response to said two or more dependency parameters each being within the corresponding predefined range;processing said selected data according to the selected method; andstoring the processed data.

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Referenced By

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