Title:
AUTOMATIC RELEASE DEVICE FOR EMERGENCY STOP MODE OF ROBOT
Document Type and Number:
Japanese Patent JPS6123210
Kind Code:
A
Abstract:
PURPOSE:To release an emergency stop mode in a short time by accumulating and storing the shift amount of a robot from a time point when a power supply is applied through a time point when a manual operation is carried out or an original point is matched and then resetting the robot automatically to the position of application of the power supply when the emergency stop mode is released. CONSTITUTION:A memory buffer 9 memorizes cumulatively the shift amounts of the 1st and 2nd arms, the vertical shift amount of a hand and the twist amount of a hand of a robot respectively from a time when a power supply is applied through a time point when a manual operation is carried out or an original point is matched. An automatic reset function part 10 sends said shift amounts of the robot stored in the buffer 9 to the 1st-4th servos 4-7 in the form of the command values and resets the robot to the position where the power supply is applied through those servos. This improves the safety, the reliability and the workability when an emergency stop mode is released.
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Inventors:
SHIINA TSUKASA
Application Number:
JP14240284A
Publication Date:
January 31, 1986
Filing Date:
July 11, 1984
Export Citation:
Assignee:
HITACHI LTD
HITACHI KEIYO ENG
HITACHI KEIYO ENG
International Classes:
G05B9/02; B25J9/10; B25J9/16; B25J9/22; B25J19/06; G05B19/18; G05B19/4067; (IPC1-7): B25J9/10; B25J9/16; B25J19/06; G05B9/02; G05B19/18
Attorney, Agent or Firm:
Akio Takahashi
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