Industrial robot having individual electrical three-phase drives

Details Industrial robot having individual electrical three-phase drives Industrial robot having individual electrical three-phase drives

1984-03-27

1986-07-22

Smith, Jr., David

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318 87, 318112, G05B 1112

Patent

active

046021957

ABSTRACT:
An industrial robot having permanently excited three-phase motors driving each robot joint is described. Each motor is coupled to a common intermediate d-c link through an individual controlled inverter. Electric braking energy of the motors is stored in a large capacitor battery coupled to the intermediate d-c link.

REFERENCES:
patent: 3444450 (1969-05-01), Foppelmann
patent: 3768001 (1973-10-01), Thorborg
patent: 4061948 (1977-12-01), Lamparter
patent: 4263535 (1981-04-01), Jones
patent: 4310791 (1982-01-01), Akamatsu
patent: 4357569 (1982-11-01), Iwakane et al.
"Werkstatt und Betrieb", Jun. 1976, S. 305.
Siemens publication "Drehzahlveraenderbare Drehstromantriebe", No. E 319/7, German and English versions.

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