Motor driving and malfunction detecting device

Details Motor driving and malfunction detecting device Motor driving and malfunction detecting device

1990-01-09

1990-12-18

Ro, Bentsu

Electricity: motive power systems

Motor-reversing

318293, 318294, 318490, 340653, H02P 122

Patent

active

049788981

ABSTRACT:
A motor driving device is provided with switches connected with both terminals of a motor in an H-bridge connection and malfunction detectors connected with both terminals of said motor. The malfunction detectors are comprised of an impression part and a detection part which can detect the breakdown of the respective switches caused by open breakage or short breakage according to an output signal from the detection part corresponding to an input signal from the impression part.

REFERENCES:
patent: 4494181 (1985-01-01), Ramlohr et al.
patent: 4675560 (1987-06-01), Stroppiana
patent: 4841286 (1989-06-01), Kummer

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