Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1984-07-09
1986-04-08
Dobeck, B.
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
364513, 901 3, 318632, G05B 1942
Patent
active
045815666
ABSTRACT:
A system for automatically calibrating a robot in all degrees of freedom in one point to compensate for inaccuracies in the different coordinate directions. The system includes moving a measuring body, held by the robot gripper, in response to a command representative of a previously determined nominal position within a measuring fixture known to the robot controller, determining by means of sensing means the actual position reached by said measuring body, calculating the errors in the different coordinate directions based on the measured values and the nominal position values and compensating for the errors in respective coordinate directions.
REFERENCES:
patent: 4287459 (1981-09-01), Dahlstrom
patent: 4362977 (1982-12-01), Evans et al.
patent: 4495588 (1985-01-01), Nid et al.
Ekstrom Gosta E.
Szonyi Laszlo
Dobeck B.
International Business Machines - Corporation
Sweeney, Jr. Harold H.
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