The Research on Economical Shift Schedule of Vehicle based on Specific Fuel Consumption
Journal Title: International Journal of Applied Science and Mathematics - Year 2018, Vol 5, Issue 4
Abstract
Shift schedule is one of the key technologies of automatic transmission control of automobiles, which have a great influence on vehicle performance of the vehicle. In this paper, the optimal economic shift schedule of the six-speed automatic transmission for automobiles is studied. Firstly, the minimum specific fuel consumption as the basis for formulation and the vehicle speed and accelerator pedal opening as variables of control parameter were selected, and then the vehicle speed at the intersection of the fuel consumption between the two adjacent gears as the speed of the up-shift point of the gear was taken. Finally, we performed polynomial fitting interpolation for each shift point by using Polynomial of MATLAB software to obtain the best economic shift schedule curve.
Authors and Affiliations
Nana Lv, Jinyu Qu, et al.
Keywords
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