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논문 기본 정보

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(서울대학교) (서울산업대학교) (서울산업대학교) (서울대학교) (서울대학교)
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한국자동차공학회 한국자동차공학회 춘계학술대회 2009 KSAE 부문종합 학술대회
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    초록·키워드

    Several optimal control ideas for Hybrid Electric Vehicles (HEVs) were proposed in the literature. The representative optimal concept based on the bellman’s optimality, Dynamic Programming, guarantees a global optimal solution which could be obtained from an optimal field. In this paper, we suggest the Pontryagin’s minimum principle as an optimal control concept, in which the principle produces necessary conditions that the optimal control trajectory must satisfy. From a static model, the optimal results solved from PMP show that the results are really close to the results solved from DP, which should be supposed to be a global optimal solution. The differences between the results solved from PMP and the results solved from DP are only under 1 %. By the optimal control concept, PMP, we could build a real-time optimal controller because the technique is fundamentally based on an instantaneous optimal concept, which means that the control idea based on PMP is very useful if we have an intelligent model to approximate the costate in real-time driving.

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      UCI(KEPA) : I410-ECN-0101-2010-556-002789684