PROBLEM TO BE SOLVED: To improve fuel economy by elongating a time at which an accelerator operation is turned off as much as possible.SOLUTION: A target vehicle speed Va when passing a passing point Pa in front of a course of an own vehicle is set, inertia traveling which is performed by the turn-off of an accelerator operation is assumed, and a vehicle speed transition Vi at which a vehicle speed is lowered according to a moving distance is estimated. A vehicle speed threshold Vth which coincides with a target vehicle speed Va at arrival to the passing point Pa, and is lowered along the vehicle speed transition Vi as approximating the passing point Pa is set. Then, when the vehicle speed is higher than the vehicle speed threshold Vth when approximating the passing point Pa, and the accelerator operation is turned on, a driver is urged to turn off the accelerator operation.SELECTED DRAWING: Figure 1

    【課題】アクセル操作をオフにしている時間をできるだけ長くし、燃費の向上を図る。【解決手段】自車進路前方の通過地点Paを通過するときの目標車速Vaを設定し、アクセル操作をオフにして惰性走行すると仮定し、移動距離に応じて低下してゆく車速推移Viを推定する。また、通過地点Paに到達するときに目標車速Vaと一致し、且つ通過地点Paに近づくほど車速推移Viに沿って低下してゆく車速閾値Vthを設定する。そして、通過地点Paに近づく際に、車速が車速閾値Vthより高く、且つアクセル操作がオンであるときに、アクセル操作のオフを運転者に促す。【選択図】図1


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    Title :

    DRIVE OPERATION SUPPORT DEVICE AND DRIVE OPERATION SUPPORT METHOD


    Additional title:

    運転操作支援装置、運転操作支援方法


    Contributors:
    YAMAMOTO YOSHINORI (author) / KISHI DAIGO (author) / KAMIYA KOHEI (author) / INOUE JUN (author)

    Publication date :

    2016-12-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS




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