Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Transmission control
Patent
1990-09-19
2000-02-29
Herrmann, Allan D.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Transmission control
477115, 477121, 477901, G06F 1700
Patent
active
060320966
ABSTRACT:
A system and method for controlling a running characteristic of a vehicle having an automatic transmision are disclosed in which when a vehicle running condition is changed and a running mode is transferred into a different running mode, the running mode is not directly transferred from the present running mode to a target running mode but is transferred to a transitional running mode which gradually approaches the target running mode. In this state, a control unit determines whether a change rate of the driver's operation for a predetermined time is large or small, i.e., whether the driver drives the vehicle without a feeling of discomfort due to the changed running mode. If the change rate is large, the control unit determines that the driving condition is not preferable, the transfer of the running characteristic from the transitional running mode to the target running mode is inhibited or returned to the original running mode. If the change rate is small, the running mode is transferred from the transitional running mode to the target running mode. Therefore, the vehicle runs under an optimum running characterisitc corresponding to the change in the running condition.
REFERENCES:
patent: 4353272 (1982-10-01), Schneider et al.
patent: 4466521 (1984-08-01), Hattori et al.
patent: 4658360 (1987-04-01), Osanai et al.
patent: 4679145 (1987-07-01), Beeck et al.
patent: 4732055 (1988-03-01), Tateno et al.
patent: 4823643 (1989-04-01), Koshizawa
Herrmann Allan D.
Massey Ryan W.
Nissan Motor Co,. Ltd.
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