Abstract: Systems and methods are presented for secured communications in a controller area network for a vehicle system. A first electronic processor is communicatively coupled to a memory and configured to operate one or more vehicle systems. A second electronic processor is configured to generate message authentication codes to verify data communications between the first electronic processor and at least one other vehicle system controller in the controller area network. The direct memory access (DMA) module is configured to facilitate direct communications between the second electronic processor and the memory so that the first electronic processor can continue to execute other instructions while message authentication codes are generated by the second electronic processor for incoming and outgoing message data.

Abstract: Systems and methods for determining a fault in an electronic controller. The system includes a first electronic controller, a second electronic controller, and a remote electronic controller. The second electronic controller executes a diagnostic service routine configured to access a restricted section of a memory associated with the first electronic controller, receives a failure code from the restricted section of the memory associated with the first electronic controller, generates a logging file including the failure code, and sends the logging file to the remote electronic controller. The remote electronic controller determines a fault in the first electronic controller based upon the logging file.

Abstract: A method for diagnosing a plurality of lambda sensors which are arranged upstream of an exhaust gas catalytic converter in a plurality of exhaust gas banks of a multi-flow exhaust gas system of an internal combustion engine. An opposite lambda offset of the lambda sensors is identified (54) when a difference (?T) between a measured exhaust gas temperature (Tmeasure) and a modeled exhaust gas temperature (Tmod) downstream of the exhaust gas catalytic converter overshoots a threshold value (S).

Abstract: An optical interface includes a light-conducting fiber having a ring section that extends annularly about a rotation axis, at least one light source for emitting light signals into the fiber via fiber coupling, which fiber is designed to radially emit the light signals from the light source, and a receiving device for receiving the light signals emitted by the fiber.

Abstract: The present invention provides a method for preparing a negative electrode material for a battery, the method comprising the following steps: a) dry-mixing the following components, without adding any solvent, to obtain a dry mixture: polyacrylic acid, a silicon-based material, and an alkali metal hydroxide and/or an alkaline earth metal hydroxide, and an optionally present carbon material; and b) mixing the dry mixture obtained in step a) with an aqueous solvent, to obtain the negative electrode material. The present invention also provides a lithium ion battery and a solid-state battery, wherein a negative electrode of the lithium ion battery and the solid-state battery is prepared from the negative electrode material obtained by the method.

Abstract: A radar sensor system having at least one transmitter device, all transmitter devices having a total of at least two transmit channels; and at least one receiver device, with all receiver devices having a total of at least two receive channels; a temperature sensor in each case for sensing the temperatures of the at least one transmitter device and the at least one receiver device, a modeling device for modeling at least one temperature dependency of the at least one transmitter device from the at least one receiver device; and a compensation device for compensating for the modeled temperature dependency.

Abstract: A brake disc assembly includes a friction ring made of a first material and a brake disc chamber made of a second material and which is secured to the friction ring. The brake disc chamber has a first connection ring with multiple first radial openings, and the friction ring has a second connection ring with multiple second radial openings. The connection rings are coaxial such that at least some of the first and second radial openings are flush with one another. A fixing pin lies in at least some of the flush radial openings to connect the connection rings. The first connection ring has at least one wall element with at least one additional radial opening paired with the circumference of the first connection ring such that the additional radial opening is flush with one of the first radial openings. The fixing pin also lies in the additional radial opening.

Abstract: Recalibrating a micromechanical sensor. The sensor is assigned a signal processing device for correcting the sensor signal on the basis of at least one previously determined initial trim value that is selected such that, given a defined sensor excitation, a production-related deviation of the sensor signal from a target sensor signal is compensated. The method for recalibrating the sensor includes: applying a defined electrical test excitation signal to the sensor structure, acquiring the corresponding sensor response signal, ascertaining a trim correction value for the at least one initial trim value on the basis of a previously determined relation between the sensor response signal and the trim correction value, and determining at least one current trim value for correcting the sensor signal, the determination of the at least one current trim value taking place on the basis of the at least one initial trim value and the ascertained trim correction value.

Abstract: An electromechanical brake pressure generator for a hydraulic braking system of a vehicle, including at least one threaded drive system. The system includes a hydraulic piston, a spindle and a spindle nut, which cooperate via a thread, and includes an electromotive drive, via which the spindle and the spindle nut are rotatable relative to one another. The hydraulic piston of the piston/cylinder unit at least partially radially surrounds the spindle and the spindle nut, the hydraulic piston being accommodated in a hydraulic cylinder of the piston/cylinder unit. An anti-twist protection is formed by a recess extending in the axial direction and forming a sliding surface, and by a sliding element protruding into the recess. The sliding element rests against a planar contact area of the sliding surface so that the hydraulic piston is secured against twisting and is axially displaceable by a rotation of the spindle or the spindle nut.

Abstract: A method for training a machine learning system, in which image data are fed into a machine learning system with processing of at least a part of the image data by the machine learning system. The method includes synthetic generation of at least a part of at least one depth map that includes a plurality of depth information values. The at least one depth map is fed into the machine learning system with processing of at least a part of the depth information values of the at least one depth map. The machine learning system is then trained based on the processed image data and based on the processed depth information values of the at least one depth map, with adaptation of a parameter value of at least one parameter of the machine learning system, the adapted parameter value influencing an interpretation of input data by the machine learning system.

Abstract: Electrical energy store (1) having at least two electrical energy storage modules (3, 13, 23, 33), a control unit (2), a voltage connection (11) and switching elements (4, 6, 14, 16, 24, 26, 34, 36). In one example, the electrical energy store (1) has a first voltage rail (9) and a second voltage rail (10) that are each connected to the voltage connection (11), and the electrical energy storage modules (3, 13, 23, 33) are configured to be connected to the first voltage rail (9) or to the second voltage rail (10) or to one another by means of the switching elements (4, 6, 14, 16, 24, 26, 34, 36).

Abstract: A control device (10) for a parking brake device has an electronic device (12) by means of which, in the event of failure of a power supply system of a vehicle equipped with the control device (10) and the parking brake device during a procedure for parking the vehicle, at least one activation signal (14) can be output to a triggering device (16) of the parking brake device, so that the triggering device (16) can be activated by means of the at least one activation signal (14) and the parking brake device can be transferred to a locking mode by means of the activated triggering device (16), such that the vehicle is locked in its current parking position by means of the parking brake device present in its locking mode.

Abstract: A particle sensor is described. The particle sensor includes a laser module having a laser, and a detector configured to detect thermal radiation. The particle sensor has an optical apparatus that is configured to focus laser light proceeding from the laser module into a first spot and is configured to focus thermal radiation proceeding from the first spot into a second spot, a radiation-sensitive surface of the detector being located in the second spot, or behind the second spot in the beam path of the thermal radiation focused onto the second spot.

Abstract: The invention relates to a valve (1, 1a), in particular an expansion valve, for controlling fluid flow, having a valve central housing (10, 10a) having a first and a second opening (12, 12a, 14, 14a) and a valve element (20, 20a) which has a rotationally symmetrical outline and is arranged rotatably within the valve element housing (10, 10a). According to the invention, the valve element (20, 20a) has a cut-out, wherein the cut-out (30, 30a, 30b, 30c) has a variable dimension, and a sub region (32, 32a) of the cutout (30, 30a, 30b, 30c) is formed continuously through the valve element (20, 20a).

Abstract: A pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine has a pre-feed pump (3), which feeds the fuel to a high-pressure pump (2), is connected to a fuel storage chamber by means of an intake duct (49) and is provided with two gearings (40, 42) engaging with each other and made to rotate by an electric motor (37), a stator (38) of which is housed inside a containing chamber (48) formed in a pump body (32) of the pre-feed pump (3) and hydraulically connected to the intake duct (49).

Abstract: A rotation-rate sensor having a substrate, the substrate having a main-extension-plane, and the rotation-rate sensor includes at least one first and one second mass-element which are oscillate-able, and a first main-extension-direction of the substrate points from the first mass-element to the second mass-element, and a coupling-structure is situated in the first main-extension-direction between the first and second mass-element, in which a first coupling-region of the coupling-structure is situated in a first function-layer, and a first mass-region of the first mass-element is situated in the first function-layer and a second mass-region of the first mass-element is situated in a second function-layer, the first function-layer being situated in an extension-direction perpendicular to the main-extension-plane between the substrate and the second function-layer, a second main-extension-direction being situated perpendicular to the first main-extension-direction, and the first coupling-region having a greater e

Abstract: The invention relates to a battery (1) comprising the following components: a control means (2), at least one battery cell (4, 5, 6), and at least one additional electrical component, wherein the battery (1) has an interface (18) in order to provide a data-transferring connection to an external maintenance module (12), wherein at least one component has an identification feature and is designed to be exchangeable, wherein technical data can be assigned to the component by means of the identification feature.

Abstract: A fan cowl (1) for receiving at least one fan (2) which is spaced apart relative to a cooler (4), having a fan frame (6) which can be attached to the cooler (4) with at least one cutout (8) for feeding air to an impeller (10) of the fan (2), the cutout (8) having a centered motor receptacle (12) for receiving a fan motor (14) which can be driven electrically, and the cutout (8) being surrounded on the circumferential side by a fan shroud (16). It is proposed that the fan shroud (16) has at least one opening (20) for setting an air pressure distribution which can be generated by way of the fan. A fan arrangement (22), having a fan cowl (1) of this type.

Abstract: A gas fuel supply system for supplying the gas fuel via an opening of an intake supply pipe that is connected to a combustion chamber in an engine operable in each of a gas fuel combustion mode and an oil fuel combustion mode includes: the gas fuel supply valve for regulating an amount of the gas fuel, the gas fuel supply valve having plural gas supply holes, from which the gas fuel is fed in a direction toward the opening when the valve is opened; and an opening regulation valve provided between the gas fuel supply valve and the opening and having an opening hole, an opening area of which can be regulated. The gas fuel supply system is configured that extended axes of all the gas supply holes pass through the fully opened opening hole.