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The problem of vibration caused by frequent engine start-stop which improves fuel consumption is serious in hybrid electric vehicle (HEV). In the new HEV power train-electrical variable transmission, which based on dual mechanical port machine (DMPM), this problem is also severe. In this paper, a control method has been proposed to reduce vibration in the process of engine start-stop. This vibration...
The powertrain dynamic simulation model of an integrated starter/generator (ISG) hybrid electric vehicle (HEV) was established. Based on it, the parallel electric assist control strategy (PEACS) was analyzed and designed. The analysis of dynamics performance and fuel economy of the model was carried out under the FTP drive cycle, which can provide a design reference for the setup of the powertrain...
A dynamic simulation model for a scooter with a mechanical-type continuously variable transmission (CVT) is developed in this paper. Attention is paid to the prediction of key parameters of the scooter such as the engine speed, CVT gear ratio, and fuel consumption of the ECE-40 drive cycle, in order to evaluate the performance of a tuned scooter. The scooter studied in this paper consists of an electronically...
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