To appropriately suppress a clattering shock when changing from a driven travel to a driving travel, regardless of a difference in inertia of a drive source side.SOLUTION: During a travel in a BEV travel mode where a K0 clutch is disengaged, with an engine separated from a power transmission path, and where inertia on a drive source side is relatively small, a play is reduced by gradually increasing target input torque Tinbev at a change rate (Φhev1>Φbev1) smaller than that during a travel in an HEV travel mode with the K0 clutch engaged, when gradually increasing the target input torque Tinbev in a play-reducing zone (a time t2-t3 zone) in which a differential rotation ΔN changes from negative to positive. By so doing, it is possible to change the differential rotation ΔN from the negative to positive in an approximately the same changing pattern regardless of a difference in inertia, making it possible to suppress a clattering shock with a play appropriately reduced in any travel mode.SELECTED DRAWING: Figure 3
【課題】駆動力源側のイナーシャの相違に拘らず、被駆動走行から駆動走行へ変化する際のガタ打ちショックを適切に抑制できるようにする。【解決手段】K0クラッチが開放状態でエンジンが動力伝達経路から切り離され、駆動力源側のイナーシャが比較的小さいBEV走行モードによる走行時には、差回転ΔNが負から正に変化するガタ詰め領域(時間t2~t3の領域)で目標入力トルクTinbev を漸増させる際に、K0クラッチが係合状態のHEV走行モードによる走行時よりも小さな変化率(Φhev1>Φbev1)で目標入力トルクTinbev を漸増させてガタ詰めする。これにより、イナーシャの相違に拘らず差回転ΔNが負から正へ略同じ変化パターンで変化させられるようになり、何れの走行モードにおいても適切にガタ詰めしてガタ打ちショックを抑制することができる。【選択図】図3
HYBRID-ELECTRIC VEHICULAR CONTROL APPARATUS
ハイブリッド式電動車両の制御装置
13.03.2023
Patent
Elektronische Ressource
Japanisch
IPC: | 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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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