VEHICLE TRANSMISSION SHIFT QUALITY
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Abstract
A vehicle powertrain modelling system includes a powertrain model (20), a vehicle model (30), a seat model (55), a driver model (60) and a correlation element (50) comprising a neural network. As a result vehicle development is enhanced, using the neural network (50) to correlate modelled shift aspects with previous subjectively obtained ratings.
38 Citations
24 Claims
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1-10. -10. (canceled)
- 11. An AMT vehicle transmission control system comprising a transmission shift parameter control element, a vehicle manoeuvre detection element and a controller, wherein the controller is arranged derive control instructions from the detected vehicle manoeuvre to control the shift parameter control element.
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19. (canceled)
- 20. A method of controlling an AMT vehicle transmission comprising detecting a vehicle manoeuvre, deriving shift control instructions for the detected manoeuvre and controlling a shift parameter control element based on the control instructions.
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21. A method of developing an AMT vehicle transmission comprising the steps of measuring a shift profile, determining the contributory factors and varying the contributory factors to obtain an improved shift profile.
- 23. A vehicle powertrain modelling system comprising a plurality of powertrain model elements and an interaction monitor arranged to monitor interaction between the elements, in which the model elements include a time-deterioration model and the interaction monitor monitors interaction of the elements over time.
Specification