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50 “zero emission” pure electrical buses BK6122EV have been running in Beijing for the whole year. As one of the core systems of the bus, the automatic mechanical transmission (AMT) has the enormous influence on its economical performance. In order to further optimize the economic gear-shifting schedule for BK6122EV, this paper uses three design methods of the conventional engine vehicle for reference,...
This paper describes the gear-shift schedules for the Automated Mechanical Transmission(AMT) utilized in the parallel hybrid vehicle, which is equipped with an Integrated Starter Generator (ISG). The effects of the battery's state of charge (SOC) and ISG's performance on the gear shift schedules have been investigated. Both the power gear-shift, schedule in which the ISG provides the peak torque all...
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