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Motor control system, motor control device, and non-transitory recording medium

  • US 10,520,906 B2
  • Filed: 11/30/2016
  • Issued: 12/31/2019
  • Est. Priority Date: 03/14/2016
  • Status: Active Grant
First Claim
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1. A motor control system comprising:

  • a plurality of motors; and

    motor control devices that are connected to the motors respectively and control the motors at a predetermined control cycle,wherein one of the motor control devices is a master device while other motor control devices are slave devices,the master device includes;

    a first storage device that stores operation data of the motor connected to the master device at a first predetermined time interval;

    a trigger determination part that determines whether or not the operation data satisfies a predetermined trigger condition;

    a trigger notification part that transmits a trigger notification that includes a master trigger time that is a time at which the trigger condition is satisfied to the slave devices by asynchronous communication when the trigger determination part determines that the trigger condition is satisfied; and

    a first result information generation part that causes the first storage device to store first specification information for specifying the operation data when the trigger condition is satisfied, andeach of the slave devices includes;

    a second storage device that stores operation data of the motors connected to the slave devices at a second predetermined time interval; and

    a second result information generation part that causes the second storage device to store second specification information for specifying the operation data when the trigger notification is received, a slave trigger time that is a time at which the trigger notification is received, and the master trigger time that is included in the trigger notification when the trigger notification is received from the trigger notification part.

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