Control system for a motor vehicle

Details Control system for a motor vehicle Control system for a motor vehicle

1995-11-22

1997-10-14

Marmor, Charles A.

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

477906, B60K 4104

Patent

active

056766203

ABSTRACT:
A motor vehicle has an engine, an automatic transmission and a chassis. A control system for the motor vehicle includes a gear ratio change control system, an engine control system and a communications channel through which the gear ratio change control system and the engine control system communicate with one another. The gear ratio change control system has function units being dependent on data of the engine and the chassis and being integrated with the engine control system. A gear ratio change unit has function units being dependent on data of the transmission. The communications channel exchanges data required for controlling the transmission, between the engine control system and the gear ratio change unit. An emergency device switches-over the gear ratio change unit, upon a malfunction of the communications channel, to receive control signals from a device not communicating with it through the communications channel.

REFERENCES:
patent: 4935872 (1990-06-01), Benford et al.
patent: 5021764 (1991-06-01), Mabee
patent: 5109721 (1992-05-01), Boardman et al.
patent: 5119696 (1992-06-01), Yamaguchi
patent: 5315897 (1994-05-01), Abe et al.
patent: 5487004 (1996-01-01), Amsallen
patent: 5527233 (1996-06-01), Tabata et al.
patent: 5583766 (1996-12-01), Birchenough et al.

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