Browse Publications Technical Papers 2002-01-2203

Modeling of Pre-Selector Gearshift in the Urban Bus Transmission 2002-01-2203

Simulation, optimization and regression pre-selector gearshift models in the urban bus transmission are designed. Parameters of pre-selector gearshift algorithm, allowing to reduce loading of transmission elements and increase smoothness of switching-over process are synthesized.
The article deals with parameters optimization of pre-selected gearshift algorithm in the urban bus transmission. With provision for specifics of under investigation process the research technique and toolkit of complex oscillatory system syntheses are offered in the report, including choice of strategy and method of deciding the multicriterion problem, development simulation models of pre-selector gearshift process, motivation and choice of efficiency criterions, searching area, initial approach and operated parameters. Results of modeling of pre-selector gearshift process before and after optimization, as well as the results of the gearshift algorithm syntheses are illustrated and brought in activity. The regression models are designed alongside with optimization models, that gives an opportunity with minimum costs of a machining time to estimate influence of varied parameters on values private and generalized responses.
Controlled parameters values, obtained during optimization, can be utilized for programming of control microprocessor box of automatic gear-shifting system. Aside from raising efficiency of transport facility, gearshift automation promotes a raising of motion safety in the city devil, so as bus driver will pay more attention to the road situation.


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