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To provide a high starting torque and to work under a high rpm range are the design requirements for the integrated startgenerators (ISG) used for intelligent vehicles with hybrid powertrains. However, meeting with both of these two requirements usually involves with sophisticated motor and controller design and high manufacturing cost. Hence, a transmission with variable reduction ratio is desired...
In this paper, an approximate dynamic programming (ADP) based strategy for real-time energy control of parallel hybrid electric vehicles(HEV) is presented. The aim is to develop a fuel-optimal control which is not relying on the priori knowledge of the future driving conditions (global optimal control), but only upon the current system operation. Approximate dynamic programming is an on-line learning...
In this paper, an adaptive dynamic programming (ADP) based strategy for real-time energy control of parallel hybrid electric vehicles is presented. The aim is to develop a fuel-optimal control which is not relying on the priori knowledge of the future driving conditions (global optimal control), but only upon the current system operation. Adaptive dynamic programming is an on-line tuning method, which...
This paper presents a hybrid controller for hybrid electric vehicles using hybrid system theory. The hierarchical control structure of parallel hybrid electric vehicle (HEV) is introduced first and the drive control problem of the vehicle is formulated using hybrid system theory. State machine theory is applied to solve the problem of vehicle operating mode transitions. Then a fuzzy torque distributor...
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