VEHICLE TRAVEL CONTROL DEVICE

PROBLEM TO BE SOLVED: To provide a vehicle travel control device that can enhance both fuel economy and drivability during coasting of a vehicle on an upgrade road surface.SOLUTION: An upper limit value n1 of an upgrade of a road surface R for starting neutral coasting is set higher than an upper li...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SATO AKIHIRO, KINOSHITA YUSUKE, KIDO YASUNARI, MITSUYASU MASAKI, HIRAI TAKUYA, MATSUNAGA MASAKI, KOGURE TAKAYUKI, KIN SHUKO, KUROKI RENTARO, SUZUKI TAKEAKI, OKAMURA YUKARI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BRAKES CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CLUTCHES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a vehicle travel control device that can enhance both fuel economy and drivability during coasting of a vehicle on an upgrade road surface.SOLUTION: An upper limit value n1 of an upgrade of a road surface R for starting neutral coasting is set higher than an upper limit value f1 of an upgrade of the road surface R for starting free run coasting. Thus, in a place where an upgrade is relatively large and a coasting distance is short, since neutral coasting is executed and stop/restart of an engine 12 is not performed, decline in drivability of a vehicle is suppressed. In a place where an upgrade is relatively small and a coasting distance is long, since free run coasting is executed and supply of fuel to the engine 12 is stopped, fuel economy of the vehicle is obtained. Therefore, both fuel economy and drivability of the vehicle during upgrade coasting can be enhanced.