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5865512 Method and apparatus for modifying the feedback gains of a traction control system  
A traction control system for a machine having two driven wheels is disclosed. Braking mechanisms controllably apply braking forces to each of the driven wheels. Transducers produce an actual speed...
5867803 Traction control apparatus  
A traction control apparatus is provided with a control factor calculation section for determining current slip values of the driving wheels, differential values of the wheel slips, a value of the...
5859774 Stability control system for an automatic control system  
The invention is directed to a stability control system for an automatic control system, which includes a controlled system, a measuring unit for measuring a response characteristic of the...
5850887 Acceleration slip control system for motor vehicle  
An acceleration slip control system for a motor vehicle operates so that a request for the upshift of the transmission of the motor vehicle is not output to upshift device in accordance with a road...
5848664 Method and apparatus for hydrostatically driving a vehicle with each drivable wheel driven by at least one hydraulic motor connected to at least one hydraulic source  
In a process for hydrostatically driving a vehicle comprising at least two ideal axles (12) of which each has at least one drivable wheel (11), each drivable wheel (11) being driven by at least one...
5850616 Traction control system for four wheel drive vehicle and the method thereof  
A traction control system and method of a four-wheel drive vehicle comprises an engine control apparatus, a brake drive apparatus for automatically and independently applying brake to each of four...
5841254 Torque maximization and vibration control for AC locomotives  
A traction control system for an ac locomotive optimizes traction performance by separately controlling the allowable creep level of each individual axle and by minimizing torsional vibration per...
5839535 Front wheel- and rear wheel-drive vehicle and apparatus for detecting coefficient of friction on road surface  
Either the front wheels or the rear wheels of a front wheel- and rear wheel-drive vehicle are driven by an engine and the other thereof are driven by an electric motor. A detecting device detects a...
5839084 Driving-torque control system for four-wheel-drive vehicle  
A driving-torque control system for a four-wheel-drive vehicle includes a transfer clutch employed in a transfer of the four-wheel-drive vehicle for varying a distribution ratio of driving torque...
5829544 Drive force reduction controller for vehicle  
In a drive force reduction controller for reducing engine output when drive wheels slip, a first shift timing is applied to an automatic transmission during ordinary running, and a second shift...
5819866 Active pitch control for a mobile machine  
An active pitch control is provided for counteracting the pitching motion of a mobile machine. The machine has an apparatus for transmitting driving torque from an engine to a pair of pneumatic...
5819870 Road finisher  
In a road finished having rear and front wheel carriage units and a hydrostatic all-wheel drive, wherein in addition to rear drivable wheels, at least two front wheels are drivable with a...
5822709 Vehicle attitude control system having vehicle decelerating device operated before operation of vehicle attitude control device  
A vehicle attitude control system for controlling an attitude of a motor vehicle, which system is provided with an attitude control device including a vehicle condition sensor for detecting at...
5816353 Engine fuel cut controller  
In a fuel cut controller wherein fuel supply is stopped to some cylinders when there is a fuel cut request, an ordinary fuel cut mode and a multi-cylinder fuel cut mode are set. When the ordinary...
5813936 Driving force controller in vehicle for forcibly upshifting in response to a driving force traction controller and a vehicle stopped detection means  
A driving-force controller in a vehicle in which, when an accelerator pedal is depressed to initially move the vehicle at a time t 1 , if a state in which a vehicle speed is zero due to slippage of...
5809434 Method and apparatus for dynamically determically determining an operating state of a motor vehicle  
A system for dynamically determining an operating state of a motor vehicle for input to a controller employed to control dynamics of the motor vehicle includes sensors for measuring predetermined...
5809443 Four-wheel drive transfer case controller with compensation for tires with different diameters  
A four-wheel drive vehicle includes a transfer case for controlling the delivery of power between the front and rear wheels of the vehicle. A clutch in the transfer case controls the amount of...
5809445 Total grip force estimating system for vehicle, and slip control system for vehicle  
A slip rate of the driven wheel is calculated (at step S1). When the slip rate is smaller and when the slip rate is larger (at steps S2 and S3), estimated road surface friction coefficients MUTG...
5802489 Front wheel drive engagement control system for agricultural vehicles  
A control system for engaging, disengaging and re-engaging a front wheel drive in an agricultural vehicle includes a control circuit configured to receive signals representative of vehicle...
5782221 Method and apparatus for decreasing the load change reactions in a motor vehicle  
Power to the driven wheels is increased when the motor vehicle is traveling around a curve and the driver suddenly releases the gas pedal. A sudden release of the gas pedal is recognized when the...
5782543 Stability control device of vehicle compatible with foot braking  
A stability control device for a vehicle is shown that estimates a liability of a vehicle body to drift-out in order to produce a drift-out quantity that generally increases along with the increase...
5775453 Traction control system and method for hydraulically propelled vehicles  
A traction control system used to control a hydraulically propelled vehicle having front and rear drive assemblies has a variable displacement hydraulic motor coupled to each drive assembly. The...
5765657 Traction control system for automotive vehicles  
An automobile traction control system in combination with a throttle control system of an internal combustion engine for controlling traction of drive wheels, comprises a sub-throttle for adjusting...
5762157 Vehicle attitude control apparatus wherein tire slip angle and wheel longitudinal force are controlled  
An apparatus for controlling an attitude of a motor vehicle, including a longitudinal force control device for controlling a torque of a wheel of the motor vehicle to thereby control a longitudinal...
5752753 Wheel slip control system for control of pneumatic brake and an automatic limited-slip differential  
A modified antilock system/wheel slip control system arrangement is provided whose logic provides the use of the wheel slip control system valve as the actuating valve for the compressed-air...
5754967 Torque detection apparatus for controlling a vehicle  
A low-cost torque detection apparatus is obtained using wheel revolution sensors which are generally provided in a conventional ABS and an engine revolution sensor which is generally provided in a...
5752211 Control system for distributing drive torque between front and rear wheels of vehicle  
In a control system for distributing a driving force from an engine between the front and rear wheels of a vehicle, a controller is designed to decrease the driving force transmitted to the...
5749428 Traction control through an effective static linearization  
Generating powertrain torque versus throttle angle position data is done in order to, in effect, linearize the relationship between the two. The results improve pressure control through a reduction...
5749062 Reference value correcting device in driven wheel slip control system  
A reference value for a traction control is calculated based on a vehicle speed. When a vehicle is in a predetermined turning state, so that a driven wheel speed is equal to or lower than a...
5748474 Driving-force control system for a vehicle  
It is a purpose of the present invention to connect the operation of the driving-force distributing device with the operation of the driving-force reducing device at an appropriate timing to insure...
5742917 Driving torque distribution control system for vehicle and the method thereof  
In a torque distribution control system of a four wheel drive vehicle, it is important to distribute a driving force properly between front and rear wheels according to friction coefficient of road...
5742919 Method and apparatus for dynamically determining a lateral velocity of a motor vehicle  
A system and a method for dynamically estimating a lateral velocity of a motor vehicle for input to a controller employed to control dynamics of the motor vehicle includes sensors for measuring...
5742918 Method and apparatus for dynamically compensating a lateral acceleration of a motor vehicle  
A system and a method for dynamically determining a lateral acceleration of a motor vehicle for input to a controller employed to control dynamics of the motor vehicle includes sensors for...
5742507 Driving stability control circuit with speed-dependent change of the vehicle model  
The present invention is a control circuit for controlling the driving stability of a motor vehicle, in which the desired value of the yaw rate is calculated by a vehicle model. To make it possible...
5740043 Relative spin speed traction control  
An apparatus for providing relative spin speed traction control on a railway vehicle. Such apparatus includes a wheel spin detection device connected to receive a plurality of input signals; one of...
5740042 Antiskid control device with a drive made judging means for a part-time 4-wheel drive vehicle  
An antiskid control device for use in a motor vehicle which can be changed over to 2WD and 4WD by a changeover member, comprising: a drive signal output member for outputting a drive signal...
5737714 Traction control system for fourwheel drive vehicle  
A traction control system for a fourwheel drive vehicle having a center differential comprises a brake pressure control apparatus, an engine output control apparatus, a differential limiting torque...
5735362 Traction control for moving a vehicle from deep snow  
A method of controlling the driving wheels of a vehicle having an internal combustion engine wherein it is determined if a vehicle stuck or not and then, if stuck, the maximum permissible amount of...
5737713 Traction control system for vehicle  
In a traction control system, an initial engine torque for a traction control is selected from the following engine torques: an engine torque calculated from a throttle opening degree and an engine...
5732680 Fuel injection control system for engine  
A fuel injection control system for controlling fuel delivery a necessary amount of fuel according driving conditions through at least leading and trailing fuel injections for each of cylinders...
5734570 Wheeled vehicle steering system for steering the rear wheels of a vehicle  
The present invention relates to a steering system for the rear wheels (13,14) of a vehicle comprising an actuator (18) for steering the rear wheels (13,14), sensor unit for measuring vehicular...
5732380 System for controlling driving torque of vehicle  
In order to provide an accurate traction control by closing a second throttle valve provided in series to an accelerator-operated ordinary throttle valve, with a simplified actuator, a control...
5731975 Temperature assuming apparatus for a brake pad and wheel slip controlling apparatus using the same  
A wheel slip controlling apparatus uses a temperature assuming apparatus to assume a temperature of a brake pad by calculating an increase in temperature of the brake pad due to regular braking...
5730041 Hydrostatic assembly with controlled spin  
A hydrostatic bridge including two hydraulic motors each having two distinct operating cylinder capacities, both motors sharing an overall casing. The bridge has four main ducts of a first type...
5732378 Method for determining a wheel brake pressure  
A method for controlling the brakes in an automotive vehicle. The vehicle has a velocity and a plurality of wheels, each wheel having an angular velocity and a brake which is operable by applying a...
5731976 Traction control system for vehicles  
An engine control system for an automotive vehicle for controlling slippage through fuel-cut and ignition retardation makes a correction in which an engine output control parameter is changed...
5727856 Slip controller for a drive slip control system  
At least one controlled variable depending on the rotational speed of the wheels and at least one desired value are sent to a controller. The controller exhibits low-pass behavior, this low-pass...
5727853 Stability control device of vehicle improved against hunting  
A stability control device for a vehicle is shown including a device that estimates a liability of the vehicle body to a turn running instability and produces an instability quantity that generally...
5725067 Wheel speed correcting system  
When a steady straight advancing state presuming device presumes that the vehicle is in a steady straight advancing state, and a slip rate calculating device calculates a small slip rate, based on...
5720360 Limited slip differential hydraulic drive system  
An hydraulic drive system for driving a plurality of wheels of a vehicle. The drive system comprises an hydraulic fluid source, at least two motors for driving the vehicle wheels, a pump connected...