Abstract
In order to improve the shift quality of automatic mechanical transmission (AMT), the upshifting process was divided into five stages and the engine target speed and control strategy of each stage were formulated based on the characteristics of clutch work. Based on SAEJ1939 protocol, Engine speed and speed limit torque control by sending engine control mode were implemented. The results of test on NJ2046 vehicle showed that the engine control strategy realized the engine control very well, and the AMT upshifting comfort was improved.
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Schedule a callMore From: DEStech Transactions on Engineering and Technology Research
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