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Dynamic analysis and simulation of driveability and control of a double transition shifting system

“Double Transition Shift” refers to the shift process in a special structured automatic transmission which employs more than one pair of clutches and brakes to perform a gear shift. Since more elements are involved during the shift process, the double transition shift algorithm is much more complicated than the traditional gearbox. Therefore, the development of the control strategy to accomplish the optimal driveability becomes a challenge for automotive control engineers.