CONTROL DEVICE FOR DRIVING FORCE TRANSMISSION DEVICE

A control device 10 mounted on a four-wheel drive vehicle 1 includes: a slip ratio calculating unit 111 that obtains a slip ratio of main driving wheels based at least on wheel speeds; a smoothing unit 112 that smooths the slip ratio by filtering; and a driving force control unit 113 that controls a...

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Bibliographische Detailangaben
Hauptverfasser:	KONDO, Hirokazu, NAGAYAMA, Go, KATO, Tomoaki, KAKITA, Akiyoshi, SARAI, Kotaro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A control device 10 mounted on a four-wheel drive vehicle 1 includes: a slip ratio calculating unit 111 that obtains a slip ratio of main driving wheels based at least on wheel speeds; a smoothing unit 112 that smooths the slip ratio by filtering; and a driving force control unit 113 that controls a driving force transmission device 2 so that a driving force that is transmitted to auxiliary driving wheels increases as the slip ratio smoothed by the smoothing unit 112 increases. The smoothing unit 112 uses a larger time constant for the filtering when a vehicle speed is less than a predetermined value than when the vehicle speed is equal to or higher than the predetermined value.