Transit vehicle chopper control apparatus and method

Details Transit vehicle chopper control apparatus and method Transit vehicle chopper control apparatus and method

1976-07-29

1978-05-16

Schaefer, Robert K.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318139, 318345E, H02P 506, H02P 534, H02P 706

Patent

active

040901157

ABSTRACT:
There is disclosed a programmed microprocessor control apparatus and method for transit vehicle electric motor through operation of a chopper apparatus. The microprocessor program establishes a boost signal for every program cycle of operation, including an ON control pulse positioned within the boost signal. The chopper operation monitors the provision of the boost signal to maintain the operation of the chopper motor control apparatus as determined by keeping the power supply line switch closed.

REFERENCES:
patent: 3689818 (1972-09-01), Morton et al.
patent: 3716767 (1973-02-01), Kuriyama et al.
patent: 3753155 (1973-08-01), Opal et al.
patent: 3818291 (1974-06-01), Miyake
patent: 3855520 (1974-12-01), Stich
Electronics, "Microprocessors", 4/15/76, pp. 78-100.

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