Method of controlling the downhill running of a vehicle and appa

Details Method of controlling the downhill running of a vehicle and appa Method of controlling the downhill running of a vehicle and appa

1997-04-02

1999-04-06

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

With brake control

F16H 6100, F16H 5966, B60K 4104

Patent

active

058909931

ABSTRACT:
Methods and apparatus for controlling the downhill running of a vehicle judge, based on a running resistance of the vehicle, whether a shift-down operation should be carried out or whether a clutch for transmitting power from drive wheels to an engine should be connected. It is judged whether a driver is requesting deceleration by comparing possible acceleration .alpha.s with actual acceleration .alpha.R. A shift-down operation is executed or a clutch connection is carried out only when it is judged that the shift-down operation should be executed or the clutch connection should be carried out and it is judged that the driver is requesting deceleration. Thus, the shift-down operation control is only carried out when the driver intends to decelerate.

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patent: 5544053 (1996-08-01), Nakashima
patent: 5555170 (1996-09-01), Nakashima
patent: 5611753 (1997-03-01), Kondo et al.

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