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Hybrid vehicles use two energy sources for their propelling. Usually an internal combustion engine (ICE) is used with one or more electric machine(s) (EM). The problem is then to split the driver power demand between the ICE and the EM in order to minimize a criterion, usually the fuel consumption. A global optimization algorithm based on optimal control theory is recalled. The obtained results are...
The control problem for a hybrid vehicle powertrain is commonly tackled as an optimal control problem, although this is often used in a general sense as opposed to a strict mathematical definition. The problem may be characterised in many ways depending on the performance objective, the hybrid vehicle model considered, the constraints imposed and the available control actions. However, as a general...
The paper presents a strategy which has been developed for optimizing the design and control of a parallel hybrid vehicle by using optimal control theory. For simulation and analysis, the optimal control of the vehicle powertrain is calculated directly by optimization for minimum fuel consumption. With this method, both an optimal design of the components and an operation strategy for online driving...
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