PROBLEM TO BE SOLVED: To suppress a decrease in drive force that is not intended by a driver even in a case where an engaging-type engagement mechanism disposed between a drive source and a drive wheel erroneously releases.SOLUTION: A four-wheel-drive vehicular control apparatus configured to be switchable between a four-wheel-drive state of driving a front wheel and a rear wheel by engaging an engaging-type engagement mechanism disposed between a secondary drive source and a drive wheel and a two-wheel-drive state of only driving a front wheel by releasing the engagement mechanism performs the steps of: determining whether the engagement mechanism is erroneously released on the basis of a stroke of the engagement mechanism during the four-wheel-drive state (step S2); and, in the case of determining that the engagement mechanism is erroneously released, increasing an output of a main drive source so as to increase front drive force by an amount of rear drive force (step S3), and decreasing an output of the secondary drive force (step S4).SELECTED DRAWING: Figure 3
【課題】動力源と駆動輪との間に設けられた噛合式の係合機構が誤って解放する場合であっても運転者の意図しない駆動力低下を抑制すること。【解決手段】従動力源と後輪との間に設けられた噛合式の係合機構を係合させて前輪および後輪で駆動する四輪駆動状態と、係合機構を解放させて前輪のみで駆動する二輪駆動状態に切替可能に構成された四輪駆動車両の制御装置において、係合機構のストロークに基づいて四輪駆動走行中に係合機構が誤って解放するか否かを判定し(ステップS2)、係合機構が誤って解放すると判定された場合、リア駆動力分だけフロント駆動力が増加するように主動力源の出力を増加させ(ステップS3)、かつ従動力源の出力を低減させる(ステップS4)ことを特徴とする。【選択図】図3
FOUR-WHEEL-DRIVE VEHICULAR CONTROL APPARATUS
四輪駆動車両の制御装置
2016-12-15
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 |