Abstract: A device (1) for determining the H2 concentration of a fluid in an exhaust gas line (12) of a fuel cell system (100) includes a sensor (14) arranged in a pipe section (2), and the pipe section has an inflow opening (4) and an outflow opening (6). An installation element (8) divides exhaust gas arriving through the inflow opening (4) into a first volumetric flow which flows through a first pipe volume (V1) and at least one additional volumetric flow which flows through at least one additional pipe volume (V2). A purge line (41) opens into the first pipe volume (V1) between the inflow opening (4) and the H2 sensor (14). The sensor (14) measures the H2 concentration of the exhaust gas in the first pipe volume (V1).

Abstract: A rotor for an electric motor includes a rotor core having a radius and a peripheral outer surface. The rotor further includes at least one air deflector element associated with the peripheral outer surface. The at least one air deflector element has at least one slope arranged at a predetermined angle to the radius. The at least one air deflector element is designed to deflect an air flow which occurs during a rotation of the rotor and flows along the peripheral outer surface counter to a direction of rotation of the rotor, at least partially in a flow direction oriented at least approximately perpendicularly to the peripheral outer surface.

Abstract: A method for determining a fault tolerant time interval (FTTI) of an autonomous driving assistance system is disclosed. The method includes (i) receiving an emulation result and/or a vehicle test result, wherein the emulation result and/or the vehicle test result includes a relationship between a sensitive parameter and a fault duration, (ii) receiving a controllability study result; and (iii) determining the fault tolerant time interval (FTTI) from a database including the emulation result and/or the vehicle test result and the controllability study result on the basis of a safety target related to the sensitive parameter. An apparatus for determining a fault tolerant time interval (FTTI) of an autonomous driving assistance system, a computer storage medium, and a computer program product are also disclosed.

Abstract: A dynamic vortex disk for a compressor includes a dynamic substrate with a first side and a second side, and a dynamic vortex wall, which is integrally molded with the dynamic substrate, and extends around an axis of the dynamic substrate at the first side and away from the axis. The dynamic vortex wall further has an end surface opposite to the first side and away from the second side, and a groove deviating from a centerline of the dynamic vortex wall and formed on the end surface. The groove has a proximal end close to the axis of the dynamic substrate and an opposing distal end. An air supply channel is configured to extend along the axis through an interior of the dynamic vortex wall until it opens to the second side. The groove and the air supply channel are connected at the distal end.

Abstract: A molding device for producing a molded module. The molding device has one tool part and one further tool part, which together enclose a cavity. At least one of the tool parts has at least one dividing web arranged and configured to subdivide the cavity into at least a low-pressure sub-cavity and a high-pressure sub-cavity. The tool part has at least two feed channels, of which a low-pressure feed channel opens into the low-pressure sub-cavity and has a smaller cross-section at least over a longitudinal portion than a high-pressure feed channel opening into the high-pressure sub-cavity. The low-pressure feed channel is configured to become pressure-resistantly blocked through hardening of the molding compound once a predetermined time interval has elapsed or during the interval. The high-pressure feed channel is configured to conduct a molding pressure into the cavity for a longer time interval than the low-pressure feed channel.

Abstract: A system includes a first electronic device having a display and an electronic processor configured to: determine an execution log including fuzzed data, extract text information from the execution log, generate an input vector from the extracted text information, provide the input vector to a trained neural network to generate an output vector, provide the output vector to a second trained machine learning model to determine output variables indicative of (i) a likelihood that the fuzzed data triggers the vulnerability in a second electronic device and (ii) a classification associated with the vulnerability, generate a display payload based on the output variables, generate revised computer executable instructions configured to prevent the second electronic device from malfunctioning in response to the second electronic device receiving data similar to the fuzzed data, and send the revised computer executable instructions to the second electronic device.

Abstract: A system of diagnosing vehicle component health. One example includes a component of a vehicle installed within a vehicle, and a sensor coupled to the component of the vehicle. The sensor is configured to obtain operational data and output a signal including the operational data. The system also includes a communication device configured to receive the signal and wirelessly transmit the operational data to an electronic processor located on a server external to the vehicle. The electronic processor is configured to analyze the operational data via a machine learning algorithm, generate a state-of-health of the component, and in response to the generated state-of-health, transmit, from the electronic processor to an external device, the state-of-health of the component.

Abstract: The invention relates to a fuel cell stack (100) having at least one fuel cell (101) which has a membrane (CCM) for separating an anode side (A) of the fuel cell (101) from a cathode side (K) of the fuel cell (101), an anode-side gas diffusion layer (GDLA), a cathode-side gas diffusion layer (GDLK) and a bipolar plate (BPP) for separating the fuel cell (101) from an adjacent fuel cell (101) or a housing. According to the invention, the membrane (CCM) protrudes beyond the anode-side gas diffusion layer (GDLA) and the cathode-side gas diffusion layer (GDLK) in an edge region (R) located outside an active area (AF) of the membrane (CCM), and the membrane (CCM) has a centering dam (10) in the edge region (R) of the anode side (A) or of the cathode side (K).

Abstract: The present disclosure provides a method, apparatus and computer program product for suppressing noise in 3D road surface reconstruction. The method includes: acquiring an image related to a road surface; extracting horizontal line information and ROI (region of interest) information from the image, wherein the horizontal line information comprises a horizontal line pixel value, and the ROI information is used to perform 3D road surface reconstruction for the road surface; judging whether the difference between the horizontal line pixel value and a preset horizontal line pixel value is greater than a pixel threshold; judging whether the horizontal line pixel value is greater than a compensation threshold when the difference is greater than the pixel threshold; determining a compensation value based on the difference when the horizontal line pixel value is not greater than the compensation threshold; and adjusting the ROI information based on the compensation value.

Abstract: A method for changing a transmission ratio of an electrically controllable gearing of a bicycle, in particular of an electric bicycle, includes (i) measuring a pedaling frequency of the bicycle rider on the pedal shaft, (ii) measuring a pedaling force of the bicycle rider, and (iii) determining a gear change operating state on the basis of the measured pedaling frequency and on the basis of the measured pedaling force if the measured pedaling frequency is less than or equal to a lower frequency threshold value or is greater than or equal to an upper frequency threshold value, and/or the measured pedaling force is less than or equal to a lower force threshold value or is greater than or equal to an upper force threshold value. After determining the gear change operating state, a control signal is generated for the gearing according to the determined gear change operating state.

Abstract: A thermal management system is provided for a vehicle that includes a traction battery. The thermal management system includes refrigerant and cooling subsystems. The cooling subsystem includes a cabin coolant loop that provides thermal management of a passenger cabin of the vehicle, a battery coolant loop that provides thermal management of the traction battery and a drivetrain coolant loop that provides thermal management of a drivetrain and power electronics of the vehicle. The cabin, battery and the drivetrain coolant loops are interconnected via coolant proportional valves and fluid lines.

Abstract: A safety brake device for braking a machining tool includes at least one brake device configured as an at least two-part claw clutch. The claw clutch includes a first claw-clutch part, and a second claw-clutch part. The first claw-clutch part is arranged on the output shaft so as to allow no relative rotation, the second claw-clutch part is configured to allow no relative rotation with respect to the power tool, each claw-clutch part has a respective plurality of toothing elements, the respective plurality of toothing elements are configured to engage with one another during a braking operation to stop rotation of the output shaft, and a maximum angular spacing ?max of mutually adjacent toothing elements of at least one of the first plurality of toothing elements an the second plurality of toothing elements is determined depending on a maximum rotational speed of the output shaft.

Abstract: A method for operating a photodiode. In the method, a voltage made up of a sum of a constant first voltage and a second voltage having a fixed frequency is applied to the photodiode and an output signal of the photodiode is detected. A spectral composition of the output signal is subsequently detected and at least one coefficient of a non-linear term of a gain of the photodiode is ascertained on the basis of the spectral composition. An adapted first voltage is then applied to the photodiode, the first voltage being adapted based on the coefficient.

Abstract: The present invention provides an electric drive apparatus (10) for a vehicle (F) comprising a first electric drive (E1), a second electric drive (E2) and a control device (SE), which is connected to the first electric drive (E1) and to the second electric drive (E2) and is designed to ascertain a first operating temperature (T1) of the first electric drive (E1) and a second operating temperature (T2) of the second electric drive (E2) and to control generation of a first torque (M1) on the first electric drive (E1) and/or of a second torque (M2) on the second electric drive (E2) on the basis of a driving situation of the vehicle and/or on the basis of the first operating temperature (T1) and/or on the basis of the second operating temperature (2).

Abstract: An optical system for a virtual retinal scan display. The optical system includes an image source which supplies image data, an image processing device for the image data, a projector unit having a light source modulatable in time for generating a light beam, and an actuable refraction device for the light beam for the scanning projection of the image content, a deflection unit onto which the image content is able to be projected and which is designed to guide the projected image content onto an eye of a user, and an adaptive optical element for modifying a beam divergence, which is situated in the optical path between the light source and the deflection unit. The adaptive optical element is able to be actuated so that the beam divergence of the light beam is variable as a function of the angle of incidence of the light beam on the deflection unit.

Abstract: A computer-implemented method for adapting a pretrained machine learning system, which has been trained on a first training data set, to a second dataset, wherein the second dataset has different characteristics than the first data set. An input transformation module for partly undoing the distribution shift between the first and second training data set is provided.

Abstract: An exhaust aftertreatment system comprises: a transfer pump for conveying the reactant, a supply line for supplying the reactant to the exhaust stream, wherein the supply line has a fluid connection to the transfer pump, a pressure regulator designed to adjust the flow rate of the transfer pump depending on the pressure of the reactant in the supply line by way of a controller having at least one integral component. A method for controlling pressure in a supply line for supplying reactant includes the steps of: sensing the pressure of the reactant in the supply line, detecting whether a pressure curve of the pressure of the reactant in the supply line characteristic for the occurrence of air bubbles in the reactant occurs, and performing a reset of the integral component as a function of the detection of a pressure curve characteristic for the occurrence of air bubbles.

Abstract: A method of classifying a driving maneuver performed by another vehicle in an environment of an ego-vehicle. In the method: a time series of a metrologically determined position of the other vehicle relative to the ego-vehicle that extends to a time step t is provided; spatial profiles of lanes in which the other vehicle may be located are provided; for a plurality of driving maneuvers from a predetermined catalog of possible driving maneuvers, conditional probabilities for the other vehicle to perform this driving maneuver at the time t are respectively determined with a predetermined model by using the time series of the position and the profiles of the lanes; by using these conditional probabilities, a most likely position and/or a probability distribution of positions of the other vehicle at the time step t is determined.

Abstract: A method and device for adapting temperatures of semiconductor components. The device includes a first and second semiconductor component, and an evaluation unit. The evaluation unit is configured to ascertain a first and second temperature of the first and second semiconductor component, respectively, calculate a first and second temperature deviation, which represents a deviation of the first and second temperature from a reference temperature, respectively, and adapt a first gate voltage of the first semiconductor component and/or a second gate voltage of the second semiconductor component until the first temperature deviation and the second temperature deviation are smaller than or equal to a predefined maximum allowable temperature deviation from the reference temperature. The adaptation takes place only when a predefined allowable control range for the respective gate voltage is not exceeded, and when the first temperature and/or the second temperature is/are greater than the reference temperature.

Abstract: A method for updating software stored in a memory. The memory is divided into sectors. The software is updated by the writing of data into the memory. The data for updating the software are written from an arrangement into a further memory, in which further memory the data are temporarily stored, until the amount of data written into the further memory reaches a specific value. After the value has been reached, the data written into the further memory are transferred into the memory which is divided into sectors.