Adaptive vehicle traction control system

A traction control apparatus and method for a motor vehicle in which the rate of reduction of the torque input to the driven wheels (12) of the motor vehicle in response to an excessive spin condition is varied as a function of the road surface coefficient of friction. The rate of increase of wheel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KABASIN, DANIEL FRANCIS
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 BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A traction control apparatus and method for a motor vehicle in which the rate of reduction of the torque input to the driven wheels (12) of the motor vehicle in response to an excessive spin condition is varied as a function of the road surface coefficient of friction. The rate of increase of wheel spin is measured as an indicator of the road surface coefficient of friction and the area of the air intake of the engine (10) is reduced at a rate that is in inverse proportion to the measured rate of increase of wheel spin. The rate of torque reduction is also made a function of the magnitude of wheel spin. The area of the air intake following recovery from an excessive spin condition is increased at a rate that is in inverse proportion to the road surface coefficient of friction.