Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Transmission control
Patent
1999-11-30
2000-12-26
Nguyen, Tan
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Transmission control
701 61, B60K 4100, B60L 1100
Patent
active
061673390
ABSTRACT:
The invention concerns a drive system, especially for a vehicle, with a drive unit, especially an internal combustion engine, a transmission with variable transmission ratio between drive unit and drive, and especially with a continuously variable transmission ratio or one variable in fine gradations, at least one additional unit driven by the drive unit, especially an electric generator, a control, which selects the transmission ratio within a range of possible transmission ratios, so that the highest possible efficiency is achieved with joint consideration of the individual efficiency functions of the vehicle drive and the additional unit(s) and their drive, in which the individual efficiency functions are incorporated in the total efficiency with a weight corresponding to the power fraction of the vehicle drive and additional unit(s). The invention is also geared toward a corresponding method.
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Continential ISAD Electronic Systems GmbH
Nguyen Tan
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