Dynamic planning method and system for optimal charging path of electric vehicle
The invention discloses a dynamic planning method and system for an optimal charging path of an electric vehicle, and the method comprises the following steps: firstly, establishing a charging cost function based on an electric model, a thermal model, an SOC and charging time calculation model of a...
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Format | Patent |
Language | Chinese English |
Published |
25.02.2022
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Abstract | The invention discloses a dynamic planning method and system for an optimal charging path of an electric vehicle, and the method comprises the following steps: firstly, establishing a charging cost function based on an electric model, a thermal model, an SOC and charging time calculation model of a battery, an n-order polynomial charging strategy and a charging boundary; then determining a current state and a target state of a battery of the electric vehicle and inputting the current state and the target state into a charging cost function, and then solving an n-order polynomial charging strategy which enables the charging cost function to be minimum by utilizing an optimization algorithm and enabling the electric vehicle to be charged according to an optimal charging path, and finally, calculating and updating the n-order polynomial charging strategy again according to the state of the battery and the target state every preset time interval, thereby realizing the dynamic planning of the optimal charging path |
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AbstractList | The invention discloses a dynamic planning method and system for an optimal charging path of an electric vehicle, and the method comprises the following steps: firstly, establishing a charging cost function based on an electric model, a thermal model, an SOC and charging time calculation model of a battery, an n-order polynomial charging strategy and a charging boundary; then determining a current state and a target state of a battery of the electric vehicle and inputting the current state and the target state into a charging cost function, and then solving an n-order polynomial charging strategy which enables the charging cost function to be minimum by utilizing an optimization algorithm and enabling the electric vehicle to be charged according to an optimal charging path, and finally, calculating and updating the n-order polynomial charging strategy again according to the state of the battery and the target state every preset time interval, thereby realizing the dynamic planning of the optimal charging path |
Author | ZHU QIAN MOU LISHA XIANG SHUN ZHENG YING DENG CHENGHAO ZHANG SHAOHONG |
Author_xml | – fullname: ZHENG YING – fullname: XIANG SHUN – fullname: MOU LISHA – fullname: DENG CHENGHAO – fullname: ZHANG SHAOHONG – fullname: ZHU QIAN |
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DocumentTitleAlternate | 电动汽车最优充电路径的动态规划方法及系统 |
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Snippet | The invention discloses a dynamic planning method and system for an optimal charging path of an electric vehicle, and the method comprises the following steps:... |
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SubjectTerms | ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL |
Title | Dynamic planning method and system for optimal charging path of electric vehicle |
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