CONTROL DEVICE AND METHOD FOR CONTROLLING TRAVELING SPEED OF A VEHICLE

A control device (100) and a method for controlling traveling speed of a vehicle (1) for the purpose of maintaining a vehicle speed equal to or lower than a pre-set downhill speed (vdh-set). The method comprises simulating a vehicle speed profile for an upcoming road section if braking at a preident...

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Bibliographische Detailangaben
Hauptverfasser:	Lindberg, Gustav, Alenius, Mikael, Adolfsson, Jonathan, Karlsson, David, Backlund, Tomas
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A control device (100) and a method for controlling traveling speed of a vehicle (1) for the purpose of maintaining a vehicle speed equal to or lower than a pre-set downhill speed (vdh-set). The method comprises simulating a vehicle speed profile for an upcoming road section if braking at a preidentified power level (P1, P2, P3) would currently be requested, thereby obtaining a predicted maximum vehicle speed (vP1,max, VP2,max, VP3,max) and a predicted time until a vehicle speed equal to or within a pre-selected interval (Idh) of the pre-set downhill speed is reached. The method further comprises, if the predicted maximum vehicle speed is equal to or below the pre-set downhill speed (vdh-set) and the predicted time is below a preselected threshold time limit, requesting braking at the pre-identified power level or at an adjusted power level.