Method of detecting, diagnosing and automatically correcting abn

Details Method of detecting, diagnosing and automatically correcting abn Method of detecting, diagnosing and automatically correcting abn

1996-01-18

1998-10-20

Sircus, Brian

Electricity: motive power systems

Positional servo systems

'reset' systems

318271, H02P 154

Patent

active

058251502

ABSTRACT:
According to the present invention, in a first acceleration after power is turned ON, currents flowing through U-phase and V-phase of a servo motor output terminal are detected, and misconnection of the motor output terminal is detected by monitoring a pattern of the current wave form.

REFERENCES:
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patent: 5612599 (1997-03-01), Itami et al.
Pletz: "SPS und PC zum Antriebsregler" in Industrie-Elektrik + Elektronick, 1990, vol. 10, pp. 81 to 82.
Schierling: "Simovert digital?" in Siemens Drive and control, 1991, vol. 2, p. 18, 19.
Achenbach: "Hat sich gemausert" in Elektrotechnik, 1991, vol. 1/2, pp. 28 to 33.
Der Elektromeister, 1962, vol. 22, p. 1479.
Patent Abstracts of Japan, No. 3-45185, Feb. 26, 1991.

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