Disclosed is a computer-implemented method and system for operating an auxiliary power unit (APU) in a range-extended electric vehicle between a minimum state of charge (SoC) limit and a maximum SoC limit of the battery pack, including predicting expected energy use profile of said vehicle; predicting change in SoC for both “APU off” and “APU on” states at a predetermined power setting corresponding to the desired optimal point (for example, the most efficient, or most powerful, or most comfortable, or lowest noise) for the specific vehicle and APU type in question; setting SoC limits for said battery pack at end of journey to minimum acceptable values based on the design and characteristics of the battery pack; and, working iteratively in reverse order from the end of journey, using “APU on” SoC values to set the minimum-limit of SoC, and “APU off” value to set the maximum-limit of SoC.
OPTIMIZATION OF EXTENDED RANGE ELECTRIC VEHICLE
OPTIMIERUNG EINES BEREICHSERWEITERTEN ELEKTROFAHRZEUGS
OPTIMALISATION D'UN VÉHICULE ÉLECTRIQUE DE GRANDE AUTONOMIE
2015-12-30
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
Optimization of an Extended-Range Electric Vehicle
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