Electricity: motive power systems – Braking – Automatic and/or with time-delay means
Patent
1978-03-23
1980-04-29
Rubinson, Gene Z.
Electricity: motive power systems
Braking
Automatic and/or with time-delay means
318375, G05B 500
Patent
active
042008255
ABSTRACT:
Disclosure is made of a digital control device intended to control thyristor-pulse d.c. regulators and comprising a master oscillator whose output is connected to an input of a clock pulse counter. A multidigit logic output of the clock pulse counter is connected to two control channels, each comprising in series a matching decoder, a reversible counter, a distributor, a comparator, a digital-analog converter, a coder, and a control decoder. Multidigit inputs of the control decoders of each control channels are connected to a multidigit output of a binary counter. The binary counter has its single-digit input and its multidigit input connected to an output of a pulser and multidigit output of a control unit, respectively. An input of the control unit is connected to a velocity transducer, and its reset output is connected to reset inputs of the master oscillator, a clock pulse generator, the clock pulse counter, the reversible counters, the pulser, and a voltage transducer. Reference signal inputs and clock inputs of both comparators are connected to an output of the voltage transducer and an output of the clock pulse generator, respectively.
REFERENCES:
patent: 3737751 (1973-06-01), Lima
patent: 3838325 (1974-09-01), Kobayashi et al.
patent: 4123693 (1978-10-01), Anderson et al.
patent: 4152631 (1979-05-01), Weinberg et al.
"DC Motor Velocity Control Using Digital Error Decode", IBM Technical Disclosure Bulletin, vol. 13, No. 9, Feb. 1971, pp. 2744-2746.
Duncanson Jr. W. E.
Rubinson Gene Z.
Vsesojuzny Nauchno-Issledovatelsky Institut Vagonostroenia
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