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5634698 |
System for controlling brake pressure based on fuzzy logic using steering angle and yaw speed
An ABS which evaluates slip values prescribes pressure values for the wheel brakes. In order to improve the driving stability, these pressure values are varied by a brake controller using the...
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5601346 |
Anti-skidding process and device for vehicles
The present invention relates to a process and a device for the prevention of skidding in vehicles with at least two wheels (1-4) of which at least one (1, 4) is steerable, wherein the actual...
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5593217 |
Traction control system
An information lamp flashes when instability is detected, whether the system is switched on, off or limited in its functional scope. When the traction control system is switched off or limited in...
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5584541 |
Slip control system for motor vehicle
A slip control system for a motor vehicle controls slippage of driving wheels and includes a sensor for detecting a slip ratio of each driving wheel, a device for decreasing slip of each driving...
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5576959 |
Method for controlling yaw of a wheeled vehicle based on under-steer and over-steer containment routines
A vehicle yaw control for a vehicle having wheel brakes wherein the wheel brakes complement driver controlled steering efforts by establishing a maximum steering angle that can be used for any...
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5560690 |
Distribution system for selectively controlling and supplying brake pressure to wheels
A brake force distribution control system comprising wheel speed sensing means S1, S3 which detect wheel speeds VWFR, VWRR of a front right wheel FR and a rear right wheel RR respectively, standard...
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5488557 |
Anti-skid controlling system and method for automotive vehicle
In an anti-skid controlling system and method for an automotive vehicle, the anti-skid control mode is gradually changed from an anti-skid control mode common to each rear tire wheel on the basis...
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5480219 |
Control of vehicle side slip using yaw rate
A required yaw rate value is determined based on driver inputs such as steering angle, master cylinder pressure, and throttle butterfly angle. The required yaw rate is compared to a measured actual...
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5474369 |
Braking force control system of vehicle
A braking force control system of a vehicle, capable of independently controlling at least braking forces of front wheel brakes, a braking force of a left rear wheel brake and a braking force of a...
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5474368 |
Anti-skid braking method and system
An anti-skid braking method is provided for controlling, on the basis of a slip ratio of a wheel and an acceleration of the wheel, braking force to be applied to the wheel. The anti-skid braking...
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5428532 |
Vehicle dynamic characteristic control apparatus
An apparatus controls the steering angle of a pair of front or rear wheels and the braking forces to be applied to left and right wheels of at least one of the wheel pairs. The apparatus includes a...
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5364175 |
Anti-skid brake system for wheeled vehicle
An anti-skid brake system for a wheeled vehicle including speed sensors for detecting each speed of road wheels of the vehicle and for producing an electric signal indicative of the detected speed...
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5344224 |
System and method for controlling braking force for automotive vehicle
A system and method for independently controlling the braking force applied to each wheel of an automobile based on the lesser of two target braking force calculations intended to produce a desired...
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5341298 |
Throttle traction control for automotive vehicle
An engine traction control system generates a control cycle of a varying duty cycle which controls the pressure level in a pneumatic actuator in the engine power control linkage to thereby reduce...
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5341297 |
Apparatus and method for preventing instabilities in vehicle handling
A method and apparatus prevents instabilities in vehicle handling by forming a desired value of the vehicle yaw angle rate μ des from measured values (namely, vehicle speed, steering wheel...
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5332300 |
Process for controlling the stability of vehicles
A lower limiting value of the yaw speed is calculated as a function of the steering angle, the vehicle speed, and the coefficient of friction between tires and road. If the yaw speed falls below...
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5333058 |
Yaw motion control device
A yaw motion control device for a vehicle includes a steering angle sensor for detecting the steering angle of a steering wheel of the vehicle and a steering angle memory means operatively...
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5328256 |
Anti-skid brake control device
An anti-skid brake control device has a control circuit 6 to which signals from a steering angle sensor 14, a yaw detector 7 and respective wheel velocity sensors 3a.about.3d of a motor vehicle are...
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5275475 |
Method for controlling vehicle dynamics
Using a model calculation, desired changes in the yaw rate Δφ and the transverse acceleration Δy are determined from a small change actually made in the steering angle and are compared to...
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5269596 |
Traction control through collective or independent wheel braking
A traction control method for a vehicle according to the present invention for generating braking forces in the brake devices for driving wheels when excessive slipping has occurred in the drive...
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5267783 |
Vehicle turning behavior control apparatus
A vehicle turning behavior control apparatus for use with a multi-wheel automatic vehicle. The apparatus provides a difference between the braking forces applied to the nearside and offside wheels...
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5265946 |
Process for determining the wheel slip of individual wheels of a vehicle
A process for determining the wheel slip of individual wheels of a vehicle by time sequentially measuring the speeds of a particular wheel without braking force applied and with braking force applied.
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5251137 |
Vehicle handling control method for antilock braking
An algorithm is provided for improved lateral force during cornering while in antilock braking mode. For each wheel, the peak slip value at which maximum adhesion between tire and road occurs is...
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5228757 |
System for controlling behavior of vehicle during braking and during a steering maneuver
A control system for a wheeled vehicle, comprises a brake actuator for controlling a behavior of the vehicle during braking by producing a braking force difference between a left wheel braking...
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5229944 |
Braking force control apparatus
A braking force control apparatus for use with an automotive vehicle. The braking forces applied to the left and right wheels of the vehicle are controlled to provide a target yaw rate calculated...
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5224765 |
Control system for distributing braking forces applied to left and right wheels in automotive vehicles
A control system for distributing braking forces applied to left and right wheels in an automotive vehicle, comprises two fluid pressure control valves, normally controlling a left-wheel brake...
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5219212 |
Anti-skid control system for vehicle
An anti-skid control system of a vehicle comprising a yaw motion sensing device of the vehicle, a device for calculating target slip rates of the wheels according to the yaw motion, a wheel speed...
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5211453 |
Process for enhancing control over a braked vehicle
Brake pressure is varied briefly by means of pressure pulses at regular intervals during phases when brake pressure is otherwise maintained constant, and any variations in transverse acceleration...
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5188434 |
Process for increasing the controllability of a vehicle
A brake-pressure controller regulates the brake pressure on the individual wheels according to the instantaneous slip values in comparison with variable desired slip values. The angle of...
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5172961 |
Vehicle brake system including cornering characteristic control
In order to improve the cornering of a vehicle under braking, control is based on the single angle and the rate at which the steering angle is changing. When the rate at which the steering angle is...
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5155686 |
Physical quantity control device usable in vehicle motion control
A physical quantity control device includes first and second control elements having different sensitivities from one another, the first and second control elements providing outputs to change at...
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5140524 |
Anti-skid brake control system with variable wheel slippage criterion depending upon vehicular driving condition
An anti-skid brake control system has a plurality of wheel speed sensors for monitoring rotation speed of each of the associated wheels independently of the others. Projected vehicle speed...
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5134352 |
Vehicle turning behavior control system
A vehicle turning behavior control system is mounted in an automotive vehicle having an anti-skid braking system. The control system has an electronic control unit to which a signal representative...
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5124921 |
Method of generating a signal to indicate a curve
The differences ΔV of the speed signals of diagonally opposed wheels and the time variation signals of these differences are formed. If at least one of these signals exceeds a prescribed...
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5107430 |
Method and a system for controlling traction in motor vehicles with mechanical gearboxes
A method for preventing the driving wheels of a motor vehicle with a mechanical gearbox from slipping consists of detecting the rate of rotation of the vehicle's engine, the speed of the vehicle,...
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5089967 |
Auxiliary steering system associated with anti-skid control system for use in motor vehicle
An auxiliary steering control system in connection with an anti-skid control system for use in a motor vehicle with two parts of left and right wheels, the anti-skid control system being adapted to...
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5051908 |
Driving wheel torque control device for vehicle
A first driving wheel torque reduction control quantity is set by a first setting element according to a slip condition of a driving wheel, and a second driving wheel torque reduction control...
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5009434 |
Stretchable oil seal and method of installation
A fluid seal made of elastomeric material for use between an external stationary member and a rotating internal member avoids use of a customary pressed steel case. The seal may be stretched over...
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5000521 |
Vehicle braking control apparatus
A wheel cylinder and brake piston are formed in the brake caliper of each wheel of a vehicle. A piezoelectric device, which is formed of laminated piezoelectric elements, is formed in the brake...
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4998593 |
Steering and brake controlling system
Steering and braking are coordinated and controlled according to a sensed yaw rate error or lateral acceleration error to increase vehicle stability without increasing braking distance. A desired...
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4984163 |
Road surface condition detecting and anti-skid controlling device in car
A road surface condition detecting and anti-skid controlling device in a car capable of detecting the road surface condition with high accuracy in a multiple-step manner, so that brake pressure...
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4964679 |
Monitoring method and apparatus for a brake system of heavy-duty vehicles
A method of and an apparatus for controlling a brake system in a heavy-duty vehicle provide for continuously measuring parameters which are characteristics of the state of the vehicle, such as the...
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4933855 |
Propulsion control for vehicles
A control variable propulsion control is obtained by taking the difference between: vehicle acceleration sensed by an accelerated sensor and vehicle acceleration derived from a driven axle or a...
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4917444 |
Antilock brake control method and system for motor vehicles
An antilock brake control for motor vehicles, wherein the actual wheel speed of each wheel of the vehicle is detected, and in dependency on the detected wheel speed, a reference vehicle speed is...
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4902076 |
Antilock brake control method for motor vehicle
In an antilock brake control for motor vehicles wherein a condition of locking of the wheels during braking is detected from the wheel speeds, and a control pattern of decreasing and reincreasing...
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4896924 |
Antiskid control device
An antiskid device according to this invention controls the hydraulic pressure to vehicle brakes based on the rotational speed of the wheel having the smallest coefficient of friction until a...
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4881785 |
Anti-lock brake control method and system for motor vehicles
In anti-lock brake control of motor vehicles wherein the control of braking hydraulic pressure for braking the wheels is accomplished by repeating a control pattern in which during braking the...
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4852950 |
Vehicle braking system capable of preventing rock-back motion of driver/passenger upon vehicle stopping
A braking system for a motor vehicle, including a wheel cylinders provided on wheels of the vehicle for braking the wheels with braking pressures corresponding to an operation of a brake operating...
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4852009 |
Method of controlling braking of a vehicle operating in a curved path, and vehicle brake control system
To counteract the tendency of over-steering when a vehicle operates in a curved path, and one of the wheels--typically the wheel at the inner side of the curve exhibits a tendency to block and,...
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4809181 |
Automotive yaw-sensitive brake control system
Automotive brake control is performed by controlling brake pressure at front and rear wheels independently. The braking force at each of the front and rear wheels is controlled in accordance with...
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