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| Number | Title | Issue Date |
| 6732036 | Method and apparatus for controlling a drive unit A method and an apparatus for controlling a drive unit, in which, when drivetrain oscillations are present, a reduction of the torque takes place until they have decayed. In addition, the torque value at which the oscillations occurred is stored. If the torque excee... | 05/04/2004 |
| 6520300 | Method for regulating the brake(s) of an escalator or a moving walkway The invention relates to a method for regulating the brake(s) of an escalator or moving walkway, independently of the load. According to the invention, actual values are supplied to at least one regulator which contains at least one nominal value, the reg... | 02/18/2003 |
| 6370467 | Method of calculating optimal wheelslips for brake controller Wheelslip is controlled in an automotive vehicle having at least one wheel for which control is desired. Each wheel is controlled by a corresponding element of a command wheelslip vector. A first wheelslip vector is determined, one element of the first wh... | 04/09/2002 |
| 6276767 | Braking force distribution control system and method A system and method for initiating a braking force distribution control are disclosed. In one embodiment the deceleration of a front wheel and rear wheel are determined. When the front wheel deceleration is less than the rear wheel deceleration, the braki... | 08/21/2001 |
| 6178370 | Deceleration based antiskid brake contoller with adaptive deceleration threshold An antiskid brake controller which utilizes measured wheel speed in order to provide brake control for a vehicle such as an aircraft. The measured wheel speed is differentiated to determine the deceleration of the wheel, and the controller then compares t... | 01/23/2001 |
| 6142587 | Anti-lock braking system Anti-lock braking system for an automobile is disclosed. It includes a brake unit that can control brake pressures within wheel cylinders of each road wheels of the automobile separately. In an anti-lock control mode, a control unit is operative to determ... | 11/07/2000 |
| 6074021 | Antilock brake control system for vehicle An antilock brake control system for a vehicle includes a PID calculating device for carrying out a PID calculation based on a deviation between a target slip rate determined based on a presumed vehicle speed and a slip rate, and the operation of a brakin... | 06/13/2000 |
| 6062660 | Antilock brake control system in vehicle An antilock brake control system in a vehicle is designed to retard the pressure increasing timing in one of front and rear wheel braking liquid pressure regulating devices which corresponds to a wheel having a smaller load share, until the wheel speed of... | 05/16/2000 |
| 6007454 | Traction control device of automobile automatically adapted for high and low gear driving In an automobile having a pair of front wheels, a pair of rear wheels, a brake system for selectively braking each of the pairs of front and rear wheels, an engine, a transmission system including a speed change gear device for selectively providing a plu... | 12/28/1999 |
| 5951122 | Antiskid control and wheel lock protection differential reference controller A brake control system which employs an antiskid control and wheel lock protection differential reference controller to provide antiskid and antilock brake control. The differential reference controller is capable of estimating both wheel velocity and veh... | 09/14/1999 |
| 5934771 | Antilock brake control system in vehicle An antilock brake control system in a vehicle includes a PID calculating device for carrying out a PID calculation based on a deviation between a target slip rate determined based on a presumed vehicle speed and a slip rate, so that the operation of braki... | 08/10/1999 |
| 5934770 | Brake control system for automotive vehicle An automobile brake control system, which applies braking force commonly to both driving wheels and restrictively controls the braking force when a specified difference occurs between a wheel speed of the driving wheel and a vehicle speed estimated based ... | 08/10/1999 |
| 5887957 | Circuit arrangement for a brake system with electronic brake force distribution control A circuit arrangement for a brake system with electronic brake force distribution control includes circuits which determine the deceleration of the rear wheels and the deceleration of a vehicle or a corresponding reference quantity. The discrepancy of the... | 03/30/1999 |
| 5829847 | Vehicle motion control system The present invention is directed to a vehicle motion control system for maintaining vehicle stability by controlling the braking force applied to each wheel of a vehicle. The braking force applied to each wheel is controlled on the basis of outputs of th... | 11/03/1998 |
| 5792968 | Method for detection of a spinning vehicles wheel A method of an accurate detection of a spinning vehicle wheel. Observed wheel speeds are derived by measuring the speed of each wheel and the slowest speed is set as the slowest observed wheel speed. A maximum probable wheel speed is derived by multiplyin... | 08/11/1998 |
| 5669677 | ABS and/or ASC control system for motor vehicles The invention provides an ABS and/or ASC control system for motor vehicles, of the type having a sensor arrangement for detecting rotational wheel speeds, an analysis unit for the cornering recognition, and actuators for reducing the brake pressure on at ... | 09/23/1997 |
| 5645328 | Early activation recovery control method and system for vehicle anti-lock brake system A control method and system for a vehicle anti-lock brake system to provide for recovery from premature activation of the vehicle anti-lock brake system. The control system includes a microprocessor and accompanying components to perform the control metho... | 07/08/1997 |
| 5588720 | Circuit arrangement for a brake system with anti-lock system and/or traction control In a circuit arrangement for a brake system with anti-lock system and/or traction control with input circuits, output circuits, control circuits, monitoring circuits, comparator circuits and circuits for switching off the control in the event of a fault, ... | 12/31/1996 |
| 5518308 | Method of controlling anti-skid brake system having one modulator and two wheel speed sensors for each axle In a method of controlling an anti-skid brake system for a vehicle having one modulator and two wheel speed sensors for each axle, when the vehicle brakes during running, for example, on a split road where surface friction coefficients on the right and le... | 05/21/1996 |
| 5492396 | Method for split-to-high mu detection and control for anti-lock brake systems A method is provided for modifying anti-lock brake control to a vehicle braking on a surface having a split-mu to higher-mu transition. The time duration of the apply stage of an anti-lock brake system cycle is measured for the two front wheels. The measu... | 02/20/1996 |
| 5472264 | Brake unit for automotive vehicles with electric drive A brake unit for automotive vehicles with electric drive is configured in the shape of a multiple-circuit compound system consisting of hydraulic friction brakes of brake circuits (I, I', I", III, III', III") and of an electroregenerative brake system (ci... | 12/05/1995 |
| 5421644 | Vehicle braking system A vehicle braking system comprising a controller responsive to wheel speed signals from at least two wheel speed sensors for sensing skid conditions of at least two wheels and for generating skid control instructions; a plurality of wheel brakes responsiv... | 06/06/1995 |
| 5419623 | System for split-to-high mu detection and control for anti-lock brake systems A system is provided for modifying anti-lock brake control to a vehicle braking on a surface having a split-mu to higher-mu transition. The time duration of the apply stage of an anti-lock brake system cycle is measured for the two front wheels. The measu... | 05/30/1995 |
| 5415468 | Circuit configuration and method for controlling a traction slip control system with brake and/or engine management A circuit configuration and method for a traction slip control system which evaluates the speed (vER) measured at a driven spare wheel with a correction factor K(t) in order to maintain or improve the control function even when a smaller size s... | 05/16/1995 |
| 5415469 | Brake system A vehicle brake system is described in which a lower brake pressure is fed in at the rear axle compared with the brake pressure of the front wheels. For the purpose of feeding in this brake pressure, the difference VD between the fastest front wheel speed... | 05/16/1995 |
| 5413405 | Antiskid brake system for vehicle In an antiskid brake system for a vehicle, a wheel speed sensor detects the wheel speed of a wheel of the vehicle, a valve unit controls the braking pressure applied to the wheel and an electronic control unit effects an antiskid control in which it cause... | 05/09/1995 |
| 5401097 | Drive-slip control system A pressure build-up pulse is provided at the brake of a driven wheel each time slippage of the driven wheel exceeds one of a series of successively larger threshold values. Build-up pulses continue until the slippage falls below the last threshold value e... | 03/28/1995 |
| 5388895 | Method and system for detecting and correcting vehicle speed reference signals in anti-lock brake systems A method and system for correcting an overestimated vehicle reference speed is presented. In one embodiment, speed, slip, and acceleration quantities are computed for at least one wheel of a vehicle. The speed, slip, and acceleration quantities are compar... | 02/14/1995 |
| 5375917 | Braking force control system of vehicle A braking force control system of a vehicle includes a deviation reference control quantity determining device for determining an operation control quantity for the actuator on the basis of a deviation between a target deceleration determined on the basis... | 12/27/1994 |
| 5372410 | Anti-lock braking system An anti-lock braking system includes three integrated circuits (an integrated voltage regulator and two different microcontrollers) which perform different functions but share the tasks of detecting malfunctions and shutting down the system when malfuncti... | 12/13/1994 |
| 5344223 | Anti-skid brake control method In the present invention, an estimated car body speed is obtained on the basis of the highest wheel speed selected from three wheel speeds including the lowest of the wheel speeds of left and right rear wheels and the wheel speeds of left and right front ... | 09/06/1994 |
| 5332299 | Anti-lock control system In the anti-lock control system described, the beginning of control is made more difficult in order to screen out disturbances. This is achieved by forming the sum or the average value of the slip values of at least the wheels of the front axle and, for t... | 07/26/1994 |
| 5312168 | Method and apparatus for equalizing vehicle brake wear Brake wear between braking sites of a vehicle is equalized by measuring work performed at the braking sites, comparing the amount of work performed at each braking site with an average calculated for all braking sites, and increasing braking demand at any... | 05/17/1994 |
| 5193887 | Circuit configuration for an anti-lock-controlled brake system This is a circuit configuration provided for an anti-lock-controlled brake system and serving for processing sensor signals obtained by wheel sensors (5) and for generating braking pressure control signals. This circuit configuration contains two microcon... | 03/16/1993 |
| 5150951 | Hydraulic dual-circuit brake system A hydraulic dual-circuit brake system for a road vehicle with front-axle/rear-axle brake circuit division has a tandem main cylinder as a brake device. The primary output pressure space of the cylinders is associated with the front-axle brake circuit, and... | 09/29/1992 |
| 5150950 | Anti-skid brake control method In a fluid-pressure control apparatus for anti-skid control apparatus, including a control unit for generating brake control signals corresponding to the rotational behaviors of the respective wheels and valve control signals on the basis of the 2 outputs... | 09/29/1992 |
| 5116109 | Anti-skid control system for an automotive vehicle The invention is directed to an anti-skid control system for controlling a braking force applied to a road wheel with a hydraulic braking pressure supplied to a wheel brake cylinder through a pressure control valve controlled by an electronic controller. ... | 05/26/1992 |
| 5100209 | Anti-skid control apparatus for a vehicle braking system An anti-skid control apparatus for a vehicle includes fluid pressure control valve devices arranged between a tandem master cylinder and the front wheels of the vehicle, and a control unit receiving outputs of wheel speed sensors to assess skid conditions... | 03/31/1992 |
| 5098169 | Magnet valve safety check and fault indication integrator A magnet valve safety check and fault indication integrator including a first comparator for selecting the highest axle speed of a vehicle, a second comparator for determining whether the highest axle speed is less than a preset speed, an indicator for in... | 03/24/1992 |
| 5092662 | Anti-lock control method and apparatus for vehicle In an anti-lock control method and apparatus for preventing locking of vehicle wheels during braking, a plurality of pressure increase rates are predetermined correspondingly to various friction coefficients for a road surface, one of pressure increase ra... | 03/03/1992 |
