Abstract: A method for warning road users by means of surroundings monitoring for a running vehicle is disclosed and furthermore situation detection for the road users in the surroundings of the running vehicle and ascertainment of the probable paths of movement of the running vehicle and the other road users, furthermore ascertainment of an impending hazard situation and, if an impending hazard situation is ascertained, audible warning in and around the running vehicle. Furthermore, an apparatus for performing the method for warning road users is disclosed, wherein the running vehicle is in the form of a land vehicle and the other road users can move in a ground-based manner.

Abstract: A method for forming a thermally conductive connection between a plurality of battery cells (2) and a temperature-regulating body (1) of a battery module (100), wherein, in a first method step, an adhesive (3) comprising at least one first component (31) and at least one second component (32) is applied to the temperature-regulating body (1) or to the plurality of battery cells (2), wherein a first proportion (41) of the at least one first component (31) and/or a second proportion (42) of the at least one second component (32) is changed during the application of the adhesive (3) over the temperature-regulating body (1) or the plurality of battery cells (2), wherein, in a second method step, the plurality of battery cells (2) is connected to the temperature-regulating body (1) in such a way that an inhomogeneous material bond is formed between the plurality of battery cells (2) and the temperature-regulating body (1).

Abstract: A method for ascertaining an exhaust gas composition of an exhaust gas of an internal combustion engine with regard to an ammonia fraction and a nitrogen oxides fraction in an exhaust gas system including an SCR catalytic converter. The method includes detecting, using a sensor, a first signal whose magnitude is a function of the nitrogen oxides fraction of the exhaust gas upstream from the SCR catalytic converter, detecting using a sensor a second signal whose magnitude is a function of the ammonia fraction and the nitrogen oxides fraction of the exhaust gas downstream from the SCR catalytic converter, storing the two signals over an observation period, and ascertaining the ammonia fraction and optionally the nitrogen oxides fraction of the exhaust gas downstream from the at least one SCR catalytic converter using a calculation rule that uses the two signals during the observation period as input variables.

Abstract: The invention relates to a wiper blade (10), in particular for a motor vehicle. Said wiper blade comprises a heating device with an elongated heating element (28). According to the invention, the heating element (28) comprises at least one loop (34).

Abstract: A battery system. The battery system includes a plurality of identically oriented battery cells, whose longitudinal axes are situated in parallel, a first busbar, and a second busbar. The first busbar and the second busbar are situated along the particular longitudinal axes on the same side of the battery cells, respective positive poles of the battery cells being connected to the first busbar with the aid of first bond connections, and respective negative poles of the battery cells being connected to the second busbar with the aid of second bond connections.

Abstract: A hand-held power tool, in particular a saber saw, having at least one holding unit for fastening the hand-held power tool to a holding device, in particular to an arresting cable and/or carabiner clip. The holding unit includes at least one receiving opening for receiving the holding device, and at least one damping element for damping a force transferred from the holding device to the hand-held power tool, in particular to a housing of the hand-held power tool. The damping element includes an at least substantially elastic element that at least partially encloses the receiving opening and receives in a form-fitting manner a fastening part delimiting the receiving opening.

Abstract: A method for detecting critical transverse movements. The method includes the following steps: emitting a CW radar signal and generating radar data based on the received reflected CW radar signal with the aid of a radar device; ascertaining collision-relevant spectral ranges of the radar data as a function of an ego velocity of the radar device; ascertaining a time dependency of a relative velocity and of an object angle of an object by evaluating the radar data in the ascertained spectral ranges; and detecting a critical transverse movement of the object using the time dependency of the relative velocity and of the object angle of the object.

Abstract: A power tool includes a housing in which a drive unit is arranged, and a tool holder for the detachable holding of a tool insert. The tool insert is configured to be driven percussively and/or rotationally. A sensor unit is configured to detect at least one movement variable, and electronics are configured to control or regulate the power tool. The electronics have a percussion detection unit configured to determine a percussion mode based on at least one movement variable and/or a rotation detection unit configured to determine a rotation of the housing. The electronics control the drive unit based on the determined percussion mode and/or the determined rotation of the housing. The electronics have at least two parameter sets for the percussion detection unit and/or at least two parameter sets for the rotation detection unit. The electronics are configured to select one of the at least two parameter sets.

Abstract: A system and method is disclosed for determining a particular vehicle state based on a UWB signal received at a plurality of receiving nodes. A plurality of channel-impulse responses (CIRs) may be computed from the UWB signal received from the plurality of receiving nodes. A plurality of peak-based features based on a selected position and amplitude may be extracted from the plurality of CIRs. A plurality of correlation-based features may be generated by correlating the plurality of CIRs to a corpus of reference CIRs relating to a plurality of vehicle states. A plurality of maximum likelihood vehicle matrices may be generated by correlating the plurality of CIRs to the corpus of reference CIRs relating to the plurality of vehicle states. The vehicle state may then be determined by processing the plurality of peak-based features and correlation-based features using the machine learning classification algorithm.

Abstract: A method for measuring the sensitivity of an image classifier, which assigns an input image to one or multiple classes of a predefined classification, to modifications of the input image. The method includes: the input image is mapped by at least one predefined operator onto an intermediate image, which has a lesser information content and/or a poorer signal-to-noise ratio in comparison to the input image; at least one generator is provided, which is trained to generate realistic images, which image classifier assigns to a specific class of the predefined classification; the generator is used to generate a variation of the input image from the intermediate image.

Abstract: A system (1) for detecting dynamic secondary objects (55) that have a potential to intersect the trajectory (51) of a moving primary object (50), comprising a vision sensor (2) with a light-sensitive area (20) that comprises event-based pixels (21), so that a relative change in the light intensity impinging onto an event-based pixel (21) of the vision sensor (2) by at least a predetermined percentage causes the vision sensor (2) to emit an event (21a) associated with this event-based pixel (21), wherein the system (1) further comprises a discriminator module (3) that gets both the stream of events (21a) from the vision sensor (2) and information (52) about the heading and/or speed of the motion of the primary object (50) as inputs, and is configured to identify, from said stream of events (21a), based at least in part on said information (52), events (21b) that are likely to be caused by the motion of a secondary object (55), rather than by the motion of the primary object (50).

Abstract: A multiport rotary disc valve includes a valve housing having chamber walls that segregate an internal space of the housing into subchambers that each provide a portion of a fluid path through the valve housing. The valve includes a diverter assembly disposed in a cylindrical first subchamber, the diverter assembly controlling fluid flow through the valve housing. A second subchamber is disposed radially outward with respect to the first subchamber. In some rotational orientations of the diverter assembly, a fluid path between valve ports of the valve housing includes a first path portion that is disposed in the first subchamber and extends axially through the diverter assembly and a second path portion that is disposed in the second subchamber. The valve also includes seal assemblies disposed in housing so as to be aligned with the diverter assembly along a rotational axis of the diverter assembly.

Abstract: A device for the detection of an at least partial flooding of a motor vehicle. The device includes an ultrasonic sensor that is designed to transmit and to receive ultrasonic signals. The device also includes an electronic recognition device, which can recognize an at least partial flooding of the motor vehicle on the basis of an ultrasonic signal received by the ultrasonic sensor. The recognition device is designed to determine the amplitudes of ultrasonic signals received within a defined time window, and to compare the amplitudes to a defined threshold value. The recognition device is designed to detect a flooding of the ultrasonic sensor as a function of the result of the comparison.

Abstract: A method for operating an automated utility vehicle includes, after a change in the load state of the automated utility vehicle, determining a current weight and/or a current load distribution of the automated utility vehicle. The method further includes making available the determined current weight and/or the determined current load distribution in the form of current load information. The current load information is used for situation-dependent adaptation of planning and/or control of a trajectory of the automated utility vehicle.

Abstract: The invention relates to a method for determining the temperature of a power electronics unit (1) which has at least one commutator circuit (2) and a load (3) which is powered/can be powered by the commutator circuit (2). The commutator circuit (2) comprises a first semiconductor switch device (4), which has a first semiconductor switch (5) and optionally a first diode (6), and a second diode (9), wherein the second diode (9) and the load (3) are connected in parallel to the first semiconductor switch (5). The curve of an electric current flowing through the second diode (9) is monitored at least when a reverse current is produced in the second diode (9) after the semiconductor switch (5) has been switched so as to become conductive. On the basis of the current curve, the temperature of a barrier layer of the second diode (9) is determined.

Abstract: A method for controlling an electric motor of an electric bicycle for driving the electric bicycle. The method includes: detecting a longitudinal acceleration of the electric bicycle in the direction of the longitudinal axis of the electric bicycle; and generating a motor torque with the aid of the electric motor as a function of the detected longitudinal acceleration, the motor torque being adapted until a predefined setpoint acceleration is reached or exceeded or undershot.

Abstract: A micromechanical pressure sensor device and a corresponding manufacturing method. The micromechanical pressure sensor device is equipped with a sensor substrate; a diaphragm system that is anchored in the sensor substrate and that includes a first diaphragm and a second diaphragm situated spaced apart therefrom, which are circumferentially connected to one another in an edge area and enclose a reference pressure in an interior space formed in between; and a plate-shaped electrode that is suspended in the interior space and that is situated spaced apart from the first diaphragm and from the second diaphragm and forms a first capacitor with the first diaphragm and forms a second capacitor with the second diaphragm. The first diaphragm and the second diaphragm are designed in such a way that they are deformable toward one another when acted on by an external pressure.

Abstract: A machine learning system, including at least one temporal filter. An input variable, encompassing a chronological sequence of images, is processed with the aid of the machine learning system, using the filter. The machine learning system is configured to use the filter on a sequence of pixels, which are all situated at identical coordinates of the images, or at identical coordinates of intermediate results. Filter coefficients of the filter are quantized. A method, a computer program, and a device for creating the machine learning system are also described.

Abstract: A method for determining a motion state of an object in the surroundings of a vehicle. The vehicle includes at least one vehicle camera for providing image data that represent the surroundings. Movability measures and pieces of quality information that are generated by processing the image data, are read in. The movability measures include generated continuous measured values for detecting moving object pixels, using correspondences, recognized using a correspondence algorithm, between pixels in successive images represented by the image data. Pixel-specific pieces of quality information are generated using the read-in pieces of quality information. The pixel-specific pieces of quality information indicate for each pixel the quality of the correspondences. A dynamic object probability is determined for each pixel, using the movability measures and the pixel-specific pieces of quality information.