Abb Patent Gmbh

Zf Cv Systems Europe Bv

Wabco Gmbh

Wabco Europe Bvba

Zf Cv Systems Global Gmbh

Zf Cv Systems Hannover Gmbh

Andreas Goers

Reiner Bleil

Helmut Michel

Oliver Wulf

Otmar Struwe

Marco Michel

Thomas Dieckmann

Julian Van Thiel

Andreas Teichmann

Ralph-Carsten Luelfing

Sebastian Kuehne

Christoph Brockmann

Thomas Wolf

Andelko Glavinic

Thomas Müller

Ralph-Carsten Lülfing

Christoph Barth

Jakob Friedrich Schmidt

Sebastian Kühne

Jann Loll

Olaf Ahrens

Jürgen Bode

Jens Frühauf

Assisted or automatic coupling of a trailer vehicle to a towing vehicle equipped with a coupling element which has a lateral guide for a corresponding coupling counterpart of the trailer vehicle to be inserted into the coupling element, an electronically controlled service brake and a drive unit, includes starting, after alignment and approach of the towing vehicle relative to the trailer vehicle, an automatic coupling process. The automatic coupling process includes starting driving in reverse at a speed and a drive torque, detecting longitudinal and lateral accelerations of the towing vehicle, and stopping driving in reverse by switching off the drive torque and/or applying the service brake if a lateral acceleration occurs in a first range of values with the occurrence of a longitudinal acceleration in a second range of values and subsequent occurrence of a longitudinal acceleration in a third range of values.

Method and device for an assisted or automatic coupling of a trailer vehicle to a towing vehicle, towing vehicle, electronic processing unit, and computer program

A plug-in connector device for a vehicle for transmitting data includes a first interface for connection to a vehicle and a second interface for connection to a connecting line, wherein the first interface and/or the second interface is/are formed as a connecting element, in particular formed as a plug or a socket, for establishing a connection according to an industry standard. A data interface for connection to a data line is electrically connected to the first interface in order to transmit electrical signals and/or data between the data interface and the second interface. The first interface is electrically connected to the second interface to transmit electrical signals and/or data between the first interface and the second interface. A connecting line is configured for connection to a second interface of the plug-in connector device. A vehicle includes a system having the plug-in connector device, and a vehicle has such a system.

Plug-in connector for transmitting data between coupled vehicles, and system and vehicle therewith

Disclosed is a method for operating a rotational speed sensor comprising a sensor element in a vehicle, wherein the sensor element interacts with a magnet wheel on a wheel of the vehicle and an effective parameter generated by the interaction of the magnet wheel with the sensor element is evaluated in the form of a measurand in an evaluation module and, depending on the measurand, an output variable characterizing the rotational speed of the wheel is output, wherein the sensor element is supplied via the evaluation module with a sensor voltage influencing the measurand. A sensor assembly is also disclosed.

Method for operating a rotational speed sensor in a vehicle, and sensor assembly

A method is provided for decelerating a vehicle. The vehicle has an electro-pneumatic brake system, at least one front axle, at least one rear axle, and a brake value transmitter. The vehicle further includes at least one axle modulator for the front axle of the vehicle, for performing control of at least one front axle brake pressure at the at least one front axle, and/or at least one axle modulator for the rear axle of the vehicle, for performing control of a rear axle brake pressure at the at least one rear axle of the vehicle. The method includes generating a redundancy signal at a first axle, the front axle or rear axle, or at a trailer control valve, and performing open-loop and/or closed-loop control of an auxiliary brake pressure at another axle, the front axle or the rear axle, via the redundancy signal.

Method for decelerating a vehicle, in particular a commercial vehicle, electro-pneumatic brake system for decelerating a vehicle, and vehicle having an electro-pneumatic brake system

A data system of a towing vehicle and/or trailer vehicle includes a control device, a sensor system configured to record and process sensor data, and a BUS system configured to transfer the sensor data between the control device and the sensor system. The BUS system has a first BUS device in the form of a CAN BUS and a second BUS device in the form of an ETHERNET BUS, and the BUS system further has a first interface configured to transfer the sensor data to a second interface of a second BUS system of a second data system of a second towing vehicle and/or trailer vehicle. The data system additionally includes an intelligent switch, coupled to the control device and/or to the first interface, the intelligent switch being configured to couple the first towing vehicle and/or trailer vehicle to the second towing vehicle and/or trailer vehicle in a coordinated manner.

Data system, data transmission system and method for data transmission for a towing vehicle and/or trailer vehicle

A bistable solenoid valve device for a fluid system is provided. The bistable solenoid valve device comprises a bistable solenoid valve. The bistable solenoid valve comprises a permanent magnet. The bistable solenoid valve further comprises an armature displaceable between a first armature position and a second armature position. The bistable solenoid valve further comprises a first switching coil for energization for a displacement of the armature into the first armature position. The bistable solenoid valve further comprises a second switching coil for energization for a displacement of the armature into the second armature position. The bistable solenoid valve further comprises an evaluation device adapted to measure an induced coil voltage, an induced coil current, or both the induced coil voltage and the induced coil current, at one or more of the non-energized switching coils. The evaluation device is further adapted to assess a switching behavior of the armature.

Bistable solenoid valve device, and method for monitoring it

A method for specifying switching parameters of a solenoid control valve in a braking system of a vehicle includes stipulating a test vehicle acceleration and ascertaining at least two test pulse sequences. The test pulse sequences are each ascertained on the basis of the stipulated test vehicle acceleration and on the basis of switching parameter default values for the respective solenoid control valve, and the test pulse sequences have actuation pulses and adjoining nonactuation pulses. During an actuation pulse an activation of the respective solenoid control valve and during a nonactuation pulse a deactivation of the respective solenoid control valve takes place. The method further includes actuating the respective solenoid control valve using the at least two test pulse sequences in order to cause at least two test braking operations, wherein the respective test pulse sequence causes an alteration of a braking pressure at a service brake.

Method for teaching switching parameters of a solenoid control valve in a braking system of a vehicle, and braking system

A fluid-operated braking system () for a tractor-trailer vehicle includes a trailer control valve (), a parking brake module (), and an electronic control unit () electrically connected to the trailer control valve () and to the parking brake module (). A pressure fluid accumulator () of the braking system () is connected to a control pressure input (P) of the trailer control valve (). A redundancy circuit controls the control pressure input (P), even during a malfunction of the control unit (). The parking brake module () includes a control valve (), a redundancy valve () and a changeover valve () controlled by an electronic switch unit () with a holding function. When the control unit () malfunctions, the last error-free switching position of the control valve () or the redundancy valve is maintained until a operationally safe resting state is reached or the ignition system is switched off.

Brake system for a vehicle train and tractor therewith

A bistable solenoid valve device for a fluid system includes a bistable solenoid valve and a detection device. The bistable solenoid valve has a permanent magnet yoke, an armature configured to be displaced between a first armature position for contact against a first core to form an air gap with a second core and a second armature position for contact against the second core to form an air gap with the first core. The bistable solenoid valve device further includes a detection device configured to evaluate and/or measure a first inductance of the first armature coil, and evaluate and/or measure a second inductance of the second armature coil without displacement of the armature, to compare the inductance of the first armature coil and the inductance of the second armature coil, and to output a state signal that indicates the armature position.

Bistable solenoid valve device and method for determining an armature position of a bistable solenoid valve

To effect redundant signal processing of a safety-relevant application, such as for a safety control unit of a motor vehicle, at least two redundant signals are fed from at least one sensor to an electronic circuit assembly as input signals for processing. At least one input signal is converted into a different test signal. In the electronic circuit assembly, the input signals are fed to a first peripheral module of a microcontroller, and the test signal is fed to an additional peripheral module. The sensor information of the input signals and of the test signal are thus redundantly processed independently of each other in a respective peripheral module of the microcontroller.

Redundant signal processing of a safety-relevant application

A control unit of a vehicle brake system has a receive circuit for tapping and processing a digital signal provided by an active speed sensor for speed measurement on a vehicle wheel. The signal includes information concerning the speed of a pole wheel, which is arranged in front of the sensor, spaced therefrom by an air gap, and which rotates along with the wheel. The signal also includes an actual air gap value digitized in stages and comprising several bits. The control unit also has a comparator circuit for comparing the actual air gap value to a reference air gap value and for determining whether the actual air gap value exceeds the reference value by more than a defined tolerance value. An information circuit of the control circuit generates early warning information when the comparator circuit determines that the actual air gap value exceeds the reference value by more than the tolerance value.

Brake system control unit and speed sensor arrangement

An electrical switching circuit for operating a bus of a field bus system senses a fault current based on a first current of a first bus line and a second current of a second bus line.

Device for sensing a fault current in a field bus system

The invention relates to a modular system comprising an electrical base unit () with a plurality of slots each for receiving a pluggable electrical unit (), each pluggable electrical unit () being connected to the base unit () by means of a multi-pin plug-in connection comprising a plug-in contact device () and a mating plug-in contact device () and the base unit () being provided with signal processing means (). For this purpose, it is proposed to divide the plug-in contacts of the multi-pin plug-in connection () into at least two groups (), a first group () of plug-in contacts being intended for the connection of permanently configured lines for the identification of the pluggable electrical unit () and a second group () of plug-in contacts being intended for the connection of freely configurable lines for the communication of the pluggable electrical unit () with the base unit (), the direction of signal transmission and the logical signal assignment of these lines being predeterminable slot-specifically in accordance with the identity of the pluggable electrical unit () and able to be set as prescribed by the signal processing means () of the base unit ().

Modular system

A method of shutting down a pluggable electrical unit in a modular system comprising a base unit and at least one pluggable electrical unit connected via an interface. Each pluggable electrical unit has module electronics and a switch, which is coupled to a mechanical locking of the pluggable electrical unit in the base unit. The electronics is provided with a variable resistor, arranged in a feed line and is communicatively connected to the base unit via switching means. For removal, the pluggable electrical unit to be removed is unlocked and the switch is actuated. Then, communication operations in progress between the base unit and the pluggable electrical unit to be removed are terminated. The communication connection routed via the switching means is disconnected and the module electronics of the pluggable electrical unit to be removed are isolated from the base unit.

Method of shutting down a pluggable electrical unit

A pluggable electrical unit with module electronics has a bus access unit for electrical connection of the pluggable unit to an electrical base unit. The base unit comprises a power supply, a signal processing means and signal lines for identification, control lines, address lines and data lines, which are connected in the manner of a bus to a plurality of contact devices. The bus access unit has a variable resistor and switches for isolation. The variable resistor and the switches for isolating signal lines for identification, control lines address lines and data lines in the pluggable electrical unit are linked to one another in a causal chain.

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Pattensen, Germany

Andreas Goers