Abstract: A method for ascertaining data of a traffic situation with a first vehicle and at least one second vehicle trailing the first vehicle, the method including a) ascertaining at least one defined parameter of the first vehicle, b) ascertaining a traffic situation in front of the first vehicle by the first vehicle and/or by the second vehicle, c) evaluating the information ascertained in steps a) and b) in a defined manner, and providing the information evaluated in step c) to the second vehicle at least at the start of a passing maneuver of the first vehicle conducted by the second vehicle.

Abstract: A fast lane driving warning unit and a method are disclosed, in which images in front of a vehicle (6) which runs on a road that comprises a fast lane (L1) are continuously captured, the images to determine whether the vehicle (6) is driving in the fast lane (L1) are analyzed; and a warning signal is sent out when the following conditions are both met: the vehicle (6) runs in the fast lane (L1) at a vehicle speed lower than a lower limit of an allowed speed range of the fast lane (L1) over time longer than a preset time period; and the current traffic condition of the fast lane (L1) permits the vehicle (6) to run in the allowed speed range of the fast lane (L1).

Abstract: A thermoelectric generator includes a hot side heat exchanger, a cold side heat exchanger, a plurality of n-type semiconductor legs arranged between the hot side heat exchanger and the cold side heat exchanger, and a plurality of p-type semiconductor legs arranged between the hot side heat exchanger and the cold side heat exchanger and alternating electrically in series with the plurality of n-type semiconductor legs. At least one of the plurality of n-type semiconductor legs and the plurality of p-type semiconductor legs is formed of an alloy having a half-Heusler structure and comprising Si and Sn with molar fractions of x Sn and 1?x Si, and x is less than 1.

Abstract: A method for producing a hydraulic block of a slip-controlled hydraulic non-muscular-energy vehicle brake system. For the milling operation, the hydraulic block is clamped in two setups and a pump bore, into which the hydraulic block is clamped in the second setup, is produced in the hydraulic block in the first setup, thereby making it possible to machine five sides of the hydraulic block in the second setup free of clamping arrangement. Also described is a related hydraulic block.

Abstract: The invention relates to a method for measuring the torque of a drive unit (10), particularly a vehicle drive unit (10), said drive unit (10) comprising at least one bearing (20) for connecting to a fixed support point (21), and at least one sensor (22) being provided which measures a change in force and/or position, particularly a relative rotation of the drive unit (10), as a sensor value, wherein a torque at the drive unit (10) is determined as a measurement value on the basis of said sensor value.

Abstract: A sensor calibration tool, in particular for calibrating sensors on a vehicle, includes a vertical rail defining a first axis, and first and second carriage assemblies. The first carriage assembly is supported by the vertical rail, movable along the first axis, and has a horizontal rail defining a second axis transverse to the first axis. The second carriage assembly is supported by the horizontal rail, movable along the second, and has a target mount that releasably supports a calibration target. A calibration tool includes a horizontal rail defining a first axis, a first carriage assembly movable along the first axis, a mounting bar defining a second axis and pivotable about a pivot axis transverse to the first and second axes, and a target mount positioned on the mounting bar. The first carriage assembly and the mounting bar move independently.

Abstract: An air conditioning service unit and method of using same provide increased accuracy in determining respective amounts of refrigerant and oil recovered during service of an air conditioning system by taking into account the quantity of dissolved refrigerant in oil recovered from the system.

Abstract: A method for operating an aggregator in a private stream aggregation (PSA) system has been developed. The method includes receiving a plurality of encrypted messages from a plurality of clients, each encrypted message corresponding to a vector in a learning with errors (LWE) public key, adding, the plurality of encrypted messages to generate an aggregate data set, extracting a summation of a plurality of error vectors in the plurality of encrypted messages from the aggregate data set, decrypting the summation of the encrypted data contained in the plurality of encrypted messages using a private key stored in the memory of the aggregator to generate a plaintext sum of noisy data generated by the plurality of clients, and generating, with the processor, an output of the plaintext sum of noisy data that preserves differential privacy of each client in the plurality of clients.

Abstract: A cover for a radar sensor for motor vehicles, which has a wall provided with a three-dimensional relief structure, in which the wall including the relief structure is made of deep-drawn glass.

Abstract: A method is presented for checking the functional capability of a nitrogen oxide sensor (10) which has a first chamber (12) and a second chamber (14), wherein the first chamber has a first oxygen pump cell (20) and the second chamber has a second pump cell (34), in a normal operating mode of the nitrogen oxide sensor (10), an oxygen concentration level in the first chamber is reduced to a predetermined first value with the first pump cell, and an oxygen concentration level in the second chamber is reduced to a second value with the second pump cell, said second value being lower than the first value.

Abstract: A micromechanical constituent includes an actuator designed to impart to a displaceable element a first displacement motion around a first rotation axis and a second displacement motion around a second rotation axis oriented tiltedly with respect to the first rotation axis, the actuator including a permanent magnet on a first spring element and a one second permanent magnet on a second spring element, where the first permanent magnet is excitable to perform a first translational motion tiltedly with respect to the first rotation axis and tiltedly with respect to the second rotation axis, and the second permanent magnet is excitable to perform a second translational motion directed oppositely to the first translational motion, causing the second displacement motion of the displaceable element around the second rotation axis.

Abstract: The present invention relates to a method for operating an energy storage unit having a plurality of battery cells (1) electrically connected to one another, each battery cell comprising an over-voltage protection device and a cell protection, wherein an adjacent battery cell voltage (14) on each battery cell (1) of the energy storage unit is monitored to determine whether said battery cell voltage is larger than a predetermined cell voltage minimum value (16), wherein the energy storage unit is switched off when the battery cell voltage (14) drops below the cell voltage minimum value (16). Thereby the battery cells (1) are monitored with respect to a triggering of the respective over-voltage protection devices, wherein the energy storage unit is further operated if a battery cell voltage (14) of a battery cell (1) of the energy storage unit exceeds the cell voltage minimum value (16) and the triggering of the over-voltage protection device of this battery cell (1) is thereby detected.

Abstract: A method includes a plurality of first motor vehicles traveling along a section of a street in the same direction of travel; scanning of a right side of the street by a first sensor directed laterally to the right, and a left side of the street by a second sensor directed laterally to the left on each first motor vehicle; determining right parking spaces on the right side of the street based on data from the first sensor and left parking spaces on the left side of the street based on data from the second sensor; ascertaining a confidence value based on a first accumulation with which right parking spaces were determined in the section, and based on a second accumulation with which left parking spaces were determined in the section; and assigning the confidence value to the section and to the direction of travel.

Abstract: A battery charging device includes: at least one power electronics unit supplying a charging voltage; at least one cooling unit cooling the power electronics unit; and an electronics housing accommodating the at least one power electronics unit in at least one of water-tight and dust-tight manner. The electronics housing is cooled from the outside by a fan of the at least one cooling unit during at least one operating mode.

Abstract: A mobile function device, in particular a mobile tool-system function device configured to be disposed on an extremity of an operator, includes at least one sensor unit configured to sense at least one emission characteristic quantity and/or at least one position-specific characteristic quantity, and at least one communication unit configured to transmit electronic data to at least one external unit, in particular to a portable power tool and/or to an item of safety clothing. The mobile function device further includes at least one computing unit configured to generate, in dependence on the at least one sensed emission characteristic quantity and/or the at least one sensed position-specific characteristic quantity, electronic data configured to control the at least one external unit by open-loop and/or closed-loop control. The at least one communication unit configured to transmit the generated electronic data to the at least one external unit.

Abstract: A method for automated aspect-based sentiment analysis includes parsing reviews from a first domain to generate rhetorical structure trees and extracting rhetorical rules from the rhetorical structure trees, each rhetorical rule including a path extracted from at least one span in at least one of the rhetorical structure trees associated with a probability that the path corresponds to a positive or negative sentiment based on annotation data. The method further includes parsing reviews from a second domain to generate a second plurality of rhetorical structure trees, generating training data that associates at least one aspect in the review from the second domain with a sentiment associated with a rhetorical rule in the plurality of rhetorical rules, and training a classifier to identify sentiments in reviews from the second domain using the second plurality of reviews and the training data.

Abstract: A device for operating an electric machine, it being possible for the electric machine to be at least operated in generator mode, having an electrical energy accumulator that is connected to the electric machine by an electrical circuit that has a main switch; the circuit having a motor brake circuit that is designed to feed the electrical energy generated by the electric machine in generator mode to the energy accumulator. It is provided that the motor brake circuit be designed to convert the electrical energy into heat in the case of a failure of the main switch, of a connection of the circuit to the energy accumulator and/or of the energy accumulator itself.

Abstract: A system and method for performing a diagnostic on a hydraulic system in a vehicle while the vehicle is at a standstill. The method includes, by means of an electronic processor, moving a plunger at a constant rate, determining a position of the plunger, receiving a pressure of the hydraulic system from a pressure sensor, comparing the determined position and the measured pressure to a position versus pressure graph, and sending a diagnostic to a diagnostic indicator.

Abstract: Streaming of high bandwidth audio streams using the Internet Protocol on an Ethernet network is common practice. The invention concerns an audio stream network 1 with network components, wherein the network components comprise at least one source device 2 and a plurality of receiving devices 3, 3a, 3b, 3c, wherein the network components are connected with a network connection, wherein the network connection is using the internet protocol, wherein the source device 2 is adapted to provide an audio stream 4a, 4b, 4c, wherein the audio stream 4a, 4b, 4c comprises at least one channel, wherein the receiving devices 3, 3a, 3b,3c are adapted to receive one or more audio stream 4a, 4b, 4c from at least one of the source devices 3, 3a, 3b, 3c.

Abstract: A camera system comprising a first video camera having a first field of vision, an orientation adjustment switch, a first display, and an electronic processor. The electronic processor is configured to receive, from the first video camera, a non-rectilinear image of the first field of vision and receive, from the orientation adjustment switch, input defining an axis of a second field of vision within the first field of vision. The electronic processor is also configured to apply a distortion correction method to the non-rectilinear image of the first field of vision to produce a rectilinear image of the first field of vision. The electronic processor is further configured to determine a rectilinear image of the second field of vision within the rectilinear image of the first field of vision, and display the rectilinear image of the second field of vision on the first display.