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Emergency shutdown system for controlling industrial robot

  • US 5,363,474 A
  • Filed: 03/18/1993
  • Issued: 11/08/1994
  • Est. Priority Date: 05/21/1991
  • Status: Expired due to Term
First Claim
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1. A system for controlling an industrial robot comprising:

  • sensor means for detecting an amount of external force applied to a forward end of a moving part of a main body of said robot;

    means for controlling a driving force of the main body in accordance with the amount of external force detected by said sensor means, said means for controlling having a normal position control mode and a direct teach control mode; and

    emergency cut-off means for cutting-off the supply of the driving force to the main body of said robot to stop the main body in an emergency when the amount of said external force exceeds a preset reference value.

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