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Work machine including a controller controlling operation of different component of work machine

  • US 9,619,146 B2
  • Filed: 07/22/2013
  • Issued: 04/11/2017
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. A work machine comprising:

  • one or more controllers, each controller configured to control an operation of a different component of the working machine, each controller including;

    a first memory to store work machine information as information on the work machine and store first definition information;

    a second memory to store second definition information; and

    a processor configured to collect the work machine information and to cause at least one category of the work machine information to be stored in the first memory when a trigger for causing the first memory to start storing the work machine information occurs, whereinthe number of pieces of data prior to the trigger, the number of pieces of data subsequent to the trigger, and a time interval, which are to be stored, are described in each of the first definition information and the second definition information,each of the first definition information and the second definition information includes at least one of the number of pieces of data prior to the trigger of the work machine information collected by the processor before the trigger, the number of pieces of data subsequent to the trigger of the work machine information collected by the processor after the trigger, and the time interval during which the work machine information is collected,the second definition information stores default contents of the first definition information,the first definition information has been changed from the second definition information based on an instruction from outside of the controller, andthe processor is configured to collect the work machine information in accordance with the number of pieces of data prior to the trigger, the number of pieces of data subsequent to the trigger, and the time interval, which are described in the first definition information that is stored in the first memory and has been changed from the second definition information based on the instruction from outside of the controller.

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