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Method for modifying a defined adaptive driving strategy
| Details |
Inventors: Henneken, Markus; Jauch, Friedemann; Herbster, Kai-Uwe; Schuler, Franz-Josef; Mauz, Thomas;
Assignee: ZF Friedrichshafen AG (Friedrichshafen, DE)
Primary Examiner: Jeanglaude; Gertrude A.
Assistant Examiner:
Attorney, Agent or Firm: Davis & Bujold, P.L.L.C.
A method for modifying a defined adaptive driving strategy, which is stored in the control system for an automatic transmission of a motor vehicle, for adaptation to another type of driver with a different driving style, consists in that the parameters used for the driving strategy are modified by the other driver, the data for this being input to the transmission electronics via an input unit and an interface with the electronics. |
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DETAILED DESCRIPTION OF THE INVENTION According to the invention it is provided that by means of a given input unit 16, for example the radio keys, the driver 14 can modify selected parameters 10 of the adaptive driving strategy for the driver type evaluation 12.
This makes it possible to alter the time-dependence when changing from one driver type to another driver type.
In addition, the driver 14 can modify the transmission 22 shift behavior related to a given type of driver 14, for example, by means of delay times 24, offsets 26 and factors 28.
This results in greater customer satisfaction, even though only a limited number of parameters 10 can be changed in order to be sure of avoiding dangerous situations.
To modify the adaptive driving strategy, certain parameters 10 must be made available.
The driver type evaluation 12 is of central importance for the adaptive driving strategy.
It contains various evaluation functions 12F, such as evaluation of the longitudinal acceleration, the transverse acceleration, the starting behavior and the kick-down behavior.
The parameters 10 for driver type evaluation 12 can be modified, in particular, by acting upon the driving activity 30 (i.
e.
, the evaluation counters 30C) or the contributions of the individual evaluation functions 12F by means of an offset 26 or a factor 28.
This changes the allocation of driving activity 30 to a defined and stored driver type.
Another possibility is to modify the filtering parameters 32 for the upper and lower specifications of driver activity or the contributions of the individual evaluation functions 12F.
This modifies the dynamic behaviour of the driver type evaluation 12.
The recognition of a curve can also take place earlier or later in accordance with a factor 28 or offset 26.
According to the curve, the factor 28 enables the curve to be recognized earlier or later.
When the accelerator pedal 34 is released, this can be used to activate an upshift block 36.
This activation can be modified by virtue of an adjustable parameter 10
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Navigation and GPS 
