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Application of Energy Optimal Control to Energy Management of Hybrid Vehicle
Published May 17, 2011 by Society of Automotive Engineers of Japan in Japan
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Energy optimal control theory (EOC) is applied to the energy flow control of a hybrid electric vehicle. Since the differential equation is solved analytically, the control law can be easily implemented in real time. Because the objective function is described in power form that permits negative value, not only the energy consumption is minimized but also the energy regeneration by the motor is maximized. In the simulation for the 10-mode driving, it is shown that the fuel cost of EOC is 15% lower than the rule based control (RBC).
CitationUchida, H., Fukushima, N., and Hagiwara, I., "Application of Energy Optimal Control to Energy Management of Hybrid Vehicle," SAE Technical Paper 2011-39-7244, 2011.
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