METHOD FOR CONTROLLING A ROLLING MODE OR A FREEWHEEL MODE OF A VEHICLE

A method for controlling a rolling or a freewheeling mode of a vehicle having a drive-train with an engine, an automatic or automated transmission and controllable means for interrupting force flow in the drive-train. A current vehicle position and a first road stretch, between the current vehicle p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Würthner, Maik, Mansour, Rachid
Format:	Patent
Sprache:	eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A method for controlling a rolling or a freewheeling mode of a vehicle having a drive-train with an engine, an automatic or automated transmission and controllable means for interrupting force flow in the drive-train. A current vehicle position and a first road stretch, between the current vehicle position and a road stretch section ahead along which a speed limit applies, are determined. While driving with the drive-train engaged, for the road stretch section ahead, a predicted speed variation, if the force flow in the drive-train is interrupted, is calculated and, based this speed variation, a second road stretch is determined which the vehicle, with the force flow interrupted covers, until a value of the predicted speed variation corresponds to a value of the speed limit ahead. With regard to the determined road stretches, a road stretch point for initiating the rolling or freewheeling mode is determined.