Industrial robot

Details Industrial robot Industrial robot

1988-04-06

1990-01-16

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

31856816, 318567, 3185681, 364513, 901 20, 901 23, G05B 1942

Patent

active

048945951

ABSTRACT:
An industrial robot includes a movable arm and an electric motor driving the arm. A current flowing through the motor is controlled so that the arm is moved into predetermined positions and is balanced in the predetermined positions sequentially. A device memorizes values of the motor current at which the arm is balanced in the respective predetermined positions. A target value of the motor current is calculated on the basis of the memorized motor current values. The target motor current value allows the arm to be balanced in a given position.

REFERENCES:
patent: 4530062 (1985-07-01), Inaba et al.
patent: 4600869 (1986-07-01), Sekine et al.
patent: 4638221 (1987-01-01), Brignall

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