Abstract: The invention relates to an arrangement for a cathode recirculation of a fuel cell (10) of a fuel cell system (1) with a cathode supply (30) for the fuel cell (10), having a cathode supply path (31) and a cathode waste gas path (32), and a flushing loop (50) of a stack housing (16) of the fuel cell (10) is mechanically connected in terms of fluid to the cathode supply (30), wherein a recirculation fluid (7) can be circulated in the cathode supply (30) and in the flushing loop (50) by means of a recirculation fluid pressure generator (33, 53) in the cathode supply (30) and/or in the flushing loop (50).

Abstract: The invention relates to a fuel cell stack having at least two segments of individual fuel cells arranged in parallel in terms of fluid, said segments being arranged in series relative to one another in terms of fluid. It is provided that the fuel cell stack is set up to vary the number of individual fuel cells in at least one segment.

Abstract: A pressure ratio between a setpoint tire pressure and an actual tire pressure for a tire of a vehicle is ascertained by the following steps: Ascertaining a wheel load which is acting on the tire. Ascertaining a dynamic tire radius of the tire. Ascertaining the pressure ratio as a function of the wheel load and the dynamic tire radius.

Abstract: A method and a device for estimating coefficients of friction of a wheel of a vehicle with respect to an underlying surface including decomposing a supplied trajectory into individual curve segments, estimating a lateral force and a slip angle for a front axle of the vehicle, assigning respectively estimated lateral forces and slip angles relating to the associated individual curve segments and storing these value pairs in a memory, estimating a tire characteristic curve for each of the curve segments based on the value pairs stored for the respective curve segment in the memory, estimating a coefficient of friction for each curve segment based on the respectively estimated tire characteristic curve, and storing the estimated coefficients of friction relating to the respectively associated curve segments in a coefficient of friction map.

Abstract: A method for creating or augmenting a map for a motor vehicle, wherein the motor vehicle establishes its location in a surrounding environment by comparing environment data acquired by at least one sensor with map data stored in the map. The method provides a base map of a surrounding environment of the motor vehicle; provides at least one base segment, wherein the at least one base segment has at least one characteristic feature; and creates or augments the map by generating map data, wherein the map data is generated by a map creation unit by assigning the at least one provided base segment to an associated position in the provided base map. Also disclosed is a corresponding device.

Abstract: A process for the production of fiber-reinforced components or semifinished products is provided, where fibers are saturated with monomer. The process includes at least one of adding flakes including fibers and adding individual fibers. For this, the fibers, the monomer, and the flakes including fibers and/or the individual fibers are added to an injection-molding machine and forced into an injection mold, whereupon polymerization of the monomer is completed in the injection mold. Alternatively a fiber structure on a conveyor belt is saturated with a solution including a monomer, optionally including an activator, and optionally including a catalyst. In a following step, individual fibers and/or flakes including fibers are distributed on the saturated fiber structure, the fiber structure is passed through a roll pair in which pressure is exerted onto the fiber structure, and finally the saturated fiber structure is cooled so that the monomer solidifies.

Abstract: A display and operator control apparatus in a motor vehicle, which display and control apparatus can be used at least to display information from various driver assistance systems and to select functions which are associated with these driver assistance systems. At least one mode of operation in which a digital map display with specific display parameters is displayed and, in the process, at least one function can be selected. A changeover in respect of the possibility to select at least one other function can be activated and this changeover is not made from a fundamental basic display to the user even when a changeover is made between selectable functions, which may be separately displayed via buttons. Only one or more display parameters are changed, and therefore the display to the user can be adapted in an optimum manner.

Abstract: The invention relates to a fuel cell stack having bipolar plates (10), each of which has two separator plates (12, 14) with an active region (16) and two distribution regions (18, 20) with main gas ports (22, 24) as well as a coolant main port (26), wherein the separator plates (12, 14) are formed and arranged one over the other in such a way that the respective bipolar plate (10) has separate channels (28, 30, 32) for the reaction gases and the coolant that connect the main gas port (22, 24) for the reaction gases and the coolant main port (26) of the two distribution region (18, 20) to each other. It is provided that the channels (28) for a reaction gas have an impermeable first dividing plate (38) in an inlet area (40) of the active area (16) that separates the channels (28) into two volume areas (58, 60), and in that a second main gas port (23) is provided adjacent to the first main gas port (22) in a distribution region (18) in order to supply the reaction gas.

Abstract: The invention relates to a polar plate for a fuel cell, comprising at least one single plate with two opposing main sides, wherein the single plate has, on at least one of its main sides: elevations and free spaces arranged therebetween, which form a flow structure for an operating medium of the fuel cell; and spring projections which are arranged on the elevations and are designed to yield in case of a force effect taking place orthogonally to the main sides. Furthermore, the invention relates to a fuel cell stack with a polar plate according to the invention.

Abstract: A method for organizing the communication between mobile radio network subscriber stations in a mobile radio cell, wherein a mobile radio network management unit, especially the scheduler of a base station, in the mobile radio cell performs the allocation of the radio resources. The mobile radio network management unit defines for the mobile radio cell a number of subradio areas in which a number of mobile radio subscriber stations are allowed to use the same radio resources for direct communication with one another in parallel operation.

Abstract: Apparatuses, methods and computer programs for establishing a communication link between an information system and a mobile device. The apparatus for an information system includes a first communication module for communication with a computer infrastructure, a second communication module for communication with the mobile device, and a control module for controlling the first communication module and the second communication module. The control module obtains information about communication parameters for a communication link between the information system and the mobile device from the mobile device using the computer infrastructure and the first communication module and establishes the communication link between the information system and the mobile device using the second communication module based on the information about the communication parameters.

Abstract: The disclosure relates to a body structure element for increasing the stiffness and/or the crash performance of a body structure of a vehicle, comprising a first channel for a first gas flow with a first gas feed line and a first gas discharge line and comprising means for introducing moisture into the first gas stream. The disclosure relates, in other words, to the functional integration of a humidifier for a fuel cell system into a body structure element and preferably the functional integration of a humidifier for a fuel cell system into crash performance increasing element, in particular, an extrusion profile, and a body structural element. The disclosure also relates to a fuel cell system with a humidifier integrated into a body structure element and a vehicle with such a fuel cell system and/or such a body structure element.

Abstract: A device and method for adapting the content of a status bar to a screen. The method includes activation of an input element with respect to the status bar, reception of user input, and adaptation of the contents of the status bar in which additional information is displayed.

Abstract: In a method for associating a transmitter which transmits at least one communication information in a car-to-car communication with an object in a receiving motor vehicle, wherein the object is described by environmental data from at least one environmental sensor, wherein the association occurs based on comparing environmental data from at least one environmental sensor of the motor vehicle having the transmitter with corresponding environmental data of the receiving motor vehicle.

Abstract: A method for preventing deactivation of online services in a vehicle. The method includes generating a configuration message that contains details of what online services that are active in the vehicle cannot be deactivated, wherein the generation takes place on a computer unit that is at least temporarily connected to the vehicle; transmitting the configuration message to the vehicle; reading the configuration message in the vehicle; and disabling the option of deactivating online services in the vehicle in accordance with the configuration message.

Abstract: The invention relates to a fuel cell stack (1), comprising: —bipolar plates (10), each having an active region (13a), wherein a surface of the bipolar plate is formed non-profiled at least in the active region (13a), —a membrane electrode assembly (20), arranged between two bipolar plates (10), and—a gas distribution layer (30) arranged between the membrane electrode assembly (20) and at least one of the bipolar plates (10), wherein the gas distribution layer (30) comprises a porous flow body (31). It is provided that the gas distribution layer (30) includes recesses (32) in the active region (13a).

Abstract: Apparatuses, methods and computer programs for allocating transmission resources and for a mobile transceiver. An apparatus for a mobile transceiver of a mobile communication system includes a transceiver module to receive control information from a base station transceiver of the mobile communication system and to communicate with another mobile transceiver of the mobile communication system. The apparatus also includes a control module to control the transceiver module. The control module receives information related to a first resource pool and information related to a second resource pool using the transceiver module. The control module also communicates with the other mobile transceiver using the transceiver module using a rateless code to encode data for transmission on resources of the second resource pool.

Abstract: A method for a data processing installation for obtaining an operating state of a first autonomous vehicle. The method includes determining a current state of the first autonomous vehicle from a received measurement value of a sensor of a second vehicle. When the current state of the first autonomous vehicle deviates from a setpoint state, the method includes sending a first message to the first autonomous vehicle, wherein the first message contains a command to travel autonomously to a service location. Alternatively, the method includes sending a second message to a person responsible for the first autonomous vehicle, wherein the second message includes information about the deviation of the current state of the first autonomous vehicle from the setpoint state. Alternatively, the method includes sending a third message to service personnel, wherein the third message contains an instruction for the service personnel to set the vehicle to the setpoint state.

Abstract: The present disclosure relates to an infotainment system, to a locomotion vehicle, and to a user interface. The user interface may comprise: an input device for detecting swipe gestures of a user guided by a structure in respect of two dimensions, called “finger strip” in the following, a display device, and an evaluating unit. The evaluating unit may be configured to evaluate swipe gestures detected by means of the finger strip for substantially continuously variable adjustment to an output variable and to evaluate tap inputs detected by means of the finger strip for selection and/or definition of favorites.

Abstract: In a method for supplying a graphical user interface in a vehicle, at least one object for representing a first subset of total information is graphically displayed on a display area in at least one first display mode. An operating intention of a user is detected. In addition, a relative position of the user with respect to the display area is ascertained. When the operating intention of the user has been detected, the object is transferred into a second display mode, in which the object is displayed perspectively or three-dimensionally pivoted about an axis at a pivoting angle in the direction of the relative position. In addition, a device is adapted for providing a graphical user interface.