PROBLEM TO BE SOLVED: To provide a battery control system, a hybrid vehicle, and a battery control method, which improve the product power of the vehicle by suppressing deterioration in the fuel economy performance of an engine without enlarging a load on a control apparatus that controls the charging-discharging of a vehicular traveling-battery when the battery is deteriorated.SOLUTION: A control method includes: estimation-calculating a decrease ratio ΔS of an electric capacity S of a lithium-ion battery; performing control for extending a usage charge ratio range R of a high-voltage battery to a range R1 on the basis of the estimation-calculated decrease ratio ΔS of the electric capacity S; and further extending the usage charge ratio range on the basis of a rise in internal resistance of the high-voltage battery.SELECTED DRAWING: Figure 2
【課題】車両走行用のバッテリーの劣化時に、バッテリーの充放電を制御する制御装置への負担を大きくすることなくエンジンの燃費性能悪化を抑制し、車両の商品力を向上させるバッテリーの制御システム、ハイブリッド車両及びバッテリーの制御方法を提供する。【解決手段】リチウムイオンバッテリーの電気容量Sの減少率ΔSを推定算出するとともに、この推定算出した電気容量Sの減少率ΔSに基づいて、高電圧バッテリーの使用充電率範囲Rを範囲R1まで拡大させる制御を行う。更に高電圧バッテリーの内部抵抗上昇に基づいて、更に使用充電率範囲を拡大させる。【選択図】図2
BATTERY CONTROL SYSTEM, HYBRID VEHICLE, AND BATTERY CONTROL METHOD
バッテリーの制御システム、ハイブリッド車両及びバッテリーの制御方法
2017-06-08
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / 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 |
BATTERY CONTROL SYSTEM, HYBRID VEHICLE, AND BATTERY CONTROL METHOD
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