Engine control system with apparatus for producing pulse...

Details Engine control system with apparatus for producing pulse... Engine control system with apparatus for producing pulse...

H - Electricity

02

P

341/38.14

H02P 23/00 (2006.01) B60L 15/08 (2006.01) F02D 41/24 (2006.01) F02D 41/26 (2006.01)

Patent

CA 1127268

32 Abstract of the Disclosure A microprocessor based engine control system including an engine control unit for producing a plurality of pulse width modulated output signals of programmable frequency. The pulse width and frequency of each output is contained in a control word provided to the engine control unit. The control word contains a pulse width number and a frequency code. The control unit includes a free-running counter and logic means which switches the output signal to one level when the number of stages of the counter defined by the frequency code are all zero and switches the output signal to a second level when the content of the aforementioned number of counter stages is greater than the pulse width modulated number. AFD/jar 32

329264

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