RPM-Governing system for an internal combustion engine with auto

Details RPM-Governing system for an internal combustion engine with auto RPM-Governing system for an internal combustion engine with auto

1982-06-24

1984-01-17

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Idle speed control

123352, 361239, 180179, B60K 3100, F02D 504, F02D 902, F02B 300

Patent

active

044258887

ABSTRACT:
An rpm-governing system for an internal combustion engine with auto-ignition is proposed, in which the fuel quantity to be injected at least in the event of idling is subject to the influence of an electromagnetic final control element, in which the control unit for forming the final control element trigger signal includes a regulator having PID behavior and in which the regulation signal is formed in accordance with the actual rpm/set-point rpm deviation. This rpm-governing system has an increase in rpm set-point value, with a retarded drop, this increase in set-point being made to follow up the increase in actual value. The PID regulator furthermore has a non-linear and preferably rpm-dependent P component. The signal end stage includes a pulse length modulator, the output signal of which triggers an electromagnetic final control element while there is a simultaneous current regulating action.

REFERENCES:
patent: 4113046 (1978-09-01), Arpino
patent: 4133406 (1979-01-01), Allerdist
patent: 4157126 (1979-06-01), Collonia
patent: 4188926 (1980-02-01), Fleischer
patent: 4196466 (1980-04-01), Noddings et al.
patent: 4354467 (1982-10-01), Noddings et al.
patent: 4367708 (1983-01-01), Nakamura et al.
patent: 4374422 (1983-02-01), O'Keefe, Jr. et al.
patent: 4383510 (1983-05-01), Nakamura et al.

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