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Class 303/167 - Brake force or pressure determined from speed sensors


Subclass of Class 303 - Fluid-pressure and analogous brake systems
Definition: Speed control in which the compressed braking fluid is regulated
No. of patents: 82
Last issue date: 10/25/2011


1      
NumberTitleIssue Date
8042888Wheel position identifying apparatus for vehicle
A wheel position identification apparatus includes: braking force fluctuation generating means controlling the braking force-applying means to generate a braking force fluctuation of the wheel independently. The apparatus further includes response probability obtain...
10/25/2011
7731305Method of coordinating pressure demands in an electronically controlled brake system
In an unstable driving situation of a vehicle with an electronically controlled hydraulic brake system with a front/rear split of brake circuits, for instance during a lane change, the inlet valve of one of the two front wheel brakes may be closed for the ESC in ord...
06/08/2010
7448701System for control of brake actuator based at least in part upon tire/road friction force
A vehicle brake system includes a brake actuator associated with a wheel, the brake actuator having at least one moveable brake component, and a brake control system operative to determine a target rotational velocity of the wheel based at least in part on a relatio...
11/11/2008
7360848Parallel relay circuit for hydraulic braking device
In a parallel relay circuit, only one of a plurality of relays is turned on sequentially while turning the rest of the relays off. It is determined whether the motor is applied with voltage via a voltage detection resistor when each of the relays is turned on indivi...
04/22/2008
7322660Method for electronically regulating brake-power distribution
A method for electronically regulating brake force distribution to the front axle and the rear axle of a motor vehicle (EBV control), wherein the rotational behavior of the vehicle wheels is determined, compared with the vehicle speed or vehicle reference speed and/...
01/29/2008
7313952Method and system for monitoring instantaneous behavior of a tire in a rolling condition
A method for monitoring instantaneous behavior of a tire in a rolling condition includes acquiring and storing at least one reference curve representing an acceleration profile of at least one specified point of the tire as a function of its position during at least...
01/01/2008
7314257Tire slip model
A vehicle brake system includes a brake actuator associated with a tire, the brake actuator having at least one moveable brake component, and a brake control system. The brake control system is operative to determine a target position of the at least one moveable br...
01/01/2008
7234786Vehicular brake control apparatus and vehicular brake control method
A vehicular brake control apparatus detects risky occasions and locations that may be risky by using, for example, an infrastructure information input device or a navigation device, and, for such locations and the like, performs the pre-charge so that braking force ...
06/26/2007
7165820Brake control system
According to the present invention, there is provided a method and system for providing brake control, autobrake and antiskid brake functionality by recognizing that the only difference between the three functions is the amount of deceleration they allow. Unlike a c...
01/23/2007
7159954ABS control system for off-road driving conditions
A system for controlling at least one of the slip threshold and the time period for an extended wheel slippage for a vehicle that is operating in the off-road ABS mode. When driving in a curve pattern and/or at high speeds, the individual wheel speeds are controlled...
01/09/2007
7152935Operation of a vehicle brake system in dependence upon brake surface temperatures
The invention provides a solution, which makes it possible to determine brake surface temperatures for a vehicle brake system in dependence upon decelerations or accelerations acting on a vehicle in an activated state of the vehicle brake system and to control the v...
12/26/2006
7114787Braking system for trailers of utility vehicles
The brakes of the front axle of the trailer of a utility vehicle are impinged upon with a brake pressure by way of a single, common ABS valve. Said ABS valve is electrically actuated by an EBS module associated with the rear wheel brakes depending on a differential ...
10/03/2006
7110873Brake control system
According to the present invention, there is provided a method and system for providing brake control, autobrake and antiskid brake functionality by recognizing that the only difference between the three functions is the amount of deceleration they allow. Unlike a c...
09/19/2006
7091678Device and method for controlling prime mover
When an angular acceleration α of a rotating shaft of a motor connected with a drive shaft exceeds a preset threshold value αslip, which suggests the occurrence of a skid, the torque control procedure sets a maximum torque Tmax by referring to a map, which gives a...
08/15/2006
7039517Brake control system
According to the present invention, there is provided a method and system for providing brake control, autobrake and antiskid brake functionality by recognizing that the only difference between the three functions is the amount of deceleration they allow. Unlike a c...
05/02/2006
7035725Sliding integral proportional (SIP) controller for aircraft skid control
The sliding, integral, and proportional controller for providing aircraft antiskid braking control includes a reference velocity subsystem, a velocity error ratio subsystem, and a main controller subsystem generating a control command output signal indicative of a c...
04/25/2006
7013208Sliding integral proportional (SIP) controller for aircraft skid control
The sliding, integral, and proportional controller for providing aircraft antiskid braking control includes a reference velocity subsystem, a velocity error ratio subsystem, and a main controller subsystem generating a control command output signal indicative of a c...
03/14/2006
7010411Rear pressure control and dynamic rear proportioning in a vehicle brake system
An apparatus and method are provided for operating a pump-less rear wheel anti-lock brake system of a vehicle using speed sensors on at least one front and one rear wheel, to provide a true dynamic rear proportioning (DRP) function, and to significantly enhance brak...
03/07/2006
6980900Method for determining an estimate of the mass of a motor vehicle
A method for determining an estimate of the mass of a motor vehicle for use in controlling the brake system of a motor vehicle, in which a driving force and a force of inertia acting instantaneously on the wheel being determined for all the wheels of the vehicle, an...
12/27/2005
6976741Brake control system for vehicle and method for controlling brake system
In a brake control system for a vehicle, a target wheel cylinder pressure of each wheel is calculated in accordance with a braking force applied by the driver, a brake control mode is determined to be one of an increase pressure mode, a decrease pressure mode, or a ...
12/20/2005
6945612System for estimating brake-fluid pressure
A brake control system includes a brake line with a supply line, a pump for supplying brake fluid to the supply line, branch lines branched from the supply line to wheel cylinders, a pressure controller for allowing independent control of brake-fluid pressures withi...
09/20/2005
6928356Antiskid control system for four-wheel-drive vehicle
An antiskid control system for a four-wheel-drive vehicle is arranged to calculate a difference between an average of wheel accelerations of front wheels and an average of wheel acceleration of rear wheels. When the difference is greater than or equal to the vibrati...
08/09/2005
6923512Arrangement for ensuring the function of a vehicle brake
An arrangement for ensuring the functioning of a brake configuration for a vehicle with a multiplicity of wheels which are arranged on a front axle and at least one rear axle and which support the vehicle. The brake configuration incorporates at least two brake devi...
08/02/2005
6901789Method for determining parameters
A method for determining parameters for the viscosity or temperature of a brake fluid of a vehicle by way of a predetermined pressure build-up within time limits in at least one defined section of a brake circuit and for detecting a pressure in the said section and/...
06/07/2005
6890041Antilock brake systems employing a sliding mode observer based estimation of differential wheel torque
Improved methods and systems for controlling hydraulically or electrically actuated anti-lock brake systems (ABS) on air and land vehicles requiring only measurement of wheel angular speed although brake torque measurements can also be employed if available. A slidi...
05/10/2005
6829529Traction control system including setpoint slip adjustment
A method for providing traction control when starting off a vehicle on a road surface having different adhesive friction values between the right and left sides of the vehicle, the driven low-μ wheel being regulated to a specified setpoint slip pre-control value by...
12/07/2004
6728620Predictive control algorithm for an anti-lock braking system for an automotive vehicle
A control system (12) for an automotive vehicle includes a wheel speed sensor (18) generating a rotational speed signal and a controller (14) coupled to the wheel speed sensor. The controller determines a vehicle speed, calculates wheel slip bas...
04/27/2004
6682154Method and device for modeling a hydraulic system and brake force regulating system
A method and/or a device for estimating pressure and/or volume changes in a hydraulic system having two peripheral volume storage vessels connected to a central volume storage vessel, in which, to increase the response rate, the estimate is based at least...
01/27/2004
6587774Method and system for operating a brake system of a motor vehicle having traction control
A method and a system for operating a brake system of a motor vehicle having traction control are described. The brake system contains sensors which are assigned to the individual vehicle wheels and with which a quantity representing at least the driving ...
07/01/2003
6572202Vehicle brake control system and method therefor
A method and brake control system that calculates a target brake pressure of each wheel based on a braking amount by a vehicle operator and a product of a lateral acceleration of the vehicle and a vehicle speed. The brake control system comprises a first ...
06/03/2003
6520601Method and device for brake pressure adjustment
The present invention discloses a method for brake pressure adjustment of a wheel brake comprising the following steps: determining a preliminary nominal pressure gradient in a brake control, determining actuating signals for a hydraulic pump and/or at le...
02/18/2003
6485113Haptic braking method and system
A haptic braking method and system is disclosed. A controller operates a pump to apply brake fluid to a brake when it is necessary to decelerate a wheel during an active cruise control mode of a vehicle. The controller further operates one or more valves ...
11/26/2002
6341827Brake system with a rear axle anti-locking arrangement
In an automotive vehicle brake system with an arrangement (rear-axle ABS) which controls or regulates the braking pressure or the brake force on the rear wheels and prevents locking of the rear wheels, the front wheels and the rear wheels are individually...
01/29/2002
6295499Method of improving ABS control behavior
To improve the steerability and driving stability in a curve, in an automotive vehicle furnished with an anti-lock control system, a special control mode is initiated upon identifying a cornering situation. In special circumstances, errors in identificati...
09/25/2001
6282478Travelling direction correction apparatus
A travelling direction correcting apparatus includes: a shift detection device for detecting a shift amount of a vehicle running on a road with respect to the road; a wheel brake pressure control device for pressure wheel brake pressures and controlling a...
08/28/2001
6278930Device for controlling spin/driftout of vehicle compatibly with roll control
A moving behavior control device for a vehicle calculates first target braking forces to be applied to the respective wheels for stabilizing the vehicle against a turn instability, second target braking forces to be applied to the respective wheels for st...
08/21/2001
6278929Vehicle motion control system
The present invention is directed to a vehicle motion control system, which includes a hydraulic braking pressure control apparatus for controlling braking force applied to each wheel of a vehicle at least in response to depression of a brake pedal. A veh...
08/21/2001
6249737Vehicle parking brake system
A parking brake system for vehicles, in particular passenger cars, with an extraneous force generating adjusting unit for tightening or loosening at least one actuating pull for a braking arrangement on the vehicle and having an electronic control device ...
06/19/2001
6246944Apparatus for controlling brake of vehicle
An apparatus for controlling the brake of a vehicle, which easily brings the vehicle to a halt, or starts it, only by the action of the accelerator without operating the brake pedal. Brakes (4,5) are applied when the vehicle speed detected by a speed dete...
06/12/2001
6189986Braking force control apparatus
A braking force control apparatus adapted to generate a braking force, which is larger than that generated in a regular case, when a predetermined braking operation is carried out, this apparatus aiming at preventing the occurrence of an unnecessarily lar...
02/20/2001
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