Modeling method for gear-shift schedule of automatic transmission
A technology of automatic transmission and shifting regularity, applied in the direction of elements with teeth, transmission control, belt/chain/gear, etc., can solve the problems of poor real-time and rapidity, complex modeling method, etc., to achieve model accuracy Improve, real-time and rapidity guarantee, the effect of saving resources and costs
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[0037] The technical scheme of the present invention is further elaborated below in conjunction with the drawings, according to the above-mentioned modeling method and the test data of the Hongqi HQ430 car:
[0038] 1. Obtain the vehicle parameter variable data that affects the gear
[0039] (1) Determine the parameter variables that affect the gear
[0040] The shift schedule of automatic transmission can be divided into single parameter shift, two parameter shift, and three parameter shift. The automatic transmission of Hongqi HQ430 sedan is based on two parameters: vehicle speed and throttle opening.
[0041] (2) Obtain parameter variable data
[0042] Considering the complexity of the vehicle's driving state, and ensuring that the vehicle can achieve the best shift performance in different operating conditions such as starting, changing lanes, climbing, and rounding islands, it is necessary to obtain the best possible performance of the vehicle under various driving conditions. Va...
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