Abstract: The disclosure relates to a locking device for an in particular rotary-drive handheld power tool, in particular a rotary power tool, with a shaft for driving an accessory device which can be connected to the handheld power tool, with a locking element for locking the shaft, and with an activating element for activating the locking device. The activating element is mounted so that it can move in an axial direction along the shaft, in particular a shaft axis of the shaft.

Abstract: A method for operating an autonomous driving function of a vehicle. The vehicle includes a computer unit and sensors for detecting surroundings data. The computer unit is configured to determine a setpoint trajectory for the vehicle, based on the detected surroundings data. In step a), an actual trajectory, and distances from objects in the surroundings, are detected. In step b), an ascertainment of the quality of the autonomous driving function takes place by comparing the actual trajectory to the setpoint trajectory and monitoring the detected distances from objects in the surroundings. In step c), a control of the quality to a predefined target value takes place by selecting sensors to be used for the autonomous driving function from the plurality of sensors and/or by changing a measuring rate, at which measurements are carried out, of at least one sensor from the plurality of sensors.

Abstract: A comfort brake control system and a brake method for a vehicle is disclosed. The comfort brake control system includes: a human-machine interaction interface, configured to provide an interface of multiple optional comfort brake levels of the vehicle, and receive selection of one of the multiple comfort brake levels to switch a current comfort brake level of the vehicle, wherein each comfort brake level comprises a brake parameter corresponding to the comfort brake level, and the brake parameter comprises at least brake pressure and a brake pressure change rate of at least one brake cylinder of the vehicle; and a comfort brake module, configured to determine whether a current state of the vehicle meets a predetermined switching condition; and when it is determined that the switching condition is met, obtain a brake parameter corresponding to a selected comfort brake level, and transmit the obtained brake parameter to a brake system of the vehicle by using a vehicle bus of the vehicle.

Abstract: A blade-height optimization indicator for a table saw determines based on the rotational position of one or more blade guards of the table saw as they are displaced by a workpiece being cut whether the blade-height of the table saw is optimized relative to the thickness of the workpiece and provides a visual GO/NO-GO indication depending on whether the blade height is determined to be optimized.

Abstract: A device and method determines available regenerative braking energy in a route for a target vehicle. The device is in communication with a navigation unit and is configured to split the at least one route between a source and a destination into multiple segments followed by determining vehicular data of the target vehicle. The device determines available/recoverable regenerative braking energy in the at least one route for the target vehicle based on selective vehicular data of other vehicles similar to the target vehicle, which have travelled through the at least one route. The device is configured to dynamically predict the available regenerative braking energy originating from random longitudinal deceleration maneuvers for the chosen route from source location to the chosen destination location for any hybrid or electric vehicle. The device improves fuel efficiency and reduces emissions.

Abstract: A UV irradiation apparatus for coating systems that coat rigid or film-like workpieces, in particular furniture parts, having a transport apparatus for transporting workpieces provided with coating material from an inlet to an outlet through the UV irradiation apparatus, a UV light source arranged above the transport apparatus that irradiates the coated workpieces with UV light in an irradiation region between the inlet and the outlet, and a reflector or cover which shields the UV light source upward. A housing covers the irradiation region and the UV light source, which generally extends above the transport apparatus. A sensor of a measuring apparatus for direct or indirect automated measurement of radiant flux of the UV light source is arranged in the housing, and the sensor is in particular fitted fixed or movably on the housing or a holder. A method for quality assurance using this UV irradiation apparatus is also provided.

Abstract: An electrical machine, in particular an electronically commutated machine, includes a housing and a controller accommodated in the housing. The controller is configured to drive the machine to generate a magnetic rotating field. The housing has a housing cup, which surrounds a hollow space, and a housing cover. The machine has an end plate accommodated in the housing cup. The end plate is thermally conductively connected to the housing cup. The machine also has a cooling panel thermally conductively connected to the housing cup and to at least one component, or to a plurality of components, of the control unit. The machine has an inverter comprising semiconductor switches. The semiconductor switches are thermally conductively connected to the end plate. The end plate and the cooling panel enclose a portion of the hollow space.

Abstract: A method of operating a personal safety system including a vehicle includes automatically detecting that a smartphone is within a communication range using a wireless communication system of the vehicle, and starting an approach time period with a controller of the vehicle or the smartphone when the smartphone is detected. The method further includes sending checkup data from the vehicle to the smartphone using the wireless communication system when the smartphone fails to arrive at the vehicle prior to the approach time period elapsing, and triggering an emergency response by the vehicle and/or the smartphone when the vehicle fails to receive a response to the checkup data from the smartphone within a response time period.

Abstract: A method for the adaptive selection of a scheduling scheme for a data packet transmission in a multipath communication system. The method includes determining at least two transmission path parameters for each transmission path of at least two transmission paths of two or more transmission paths for a multiplicity of data packets, the multiplicity of data packets being transmitted via the two or more transmission paths; determining a correlation between at least one transmission path parameter of at least two transmission path parameters of a transmission path and a corresponding transmission path parameter of at least two transmission path parameters of one or more other transmission paths from the two or more transmission paths for the multiplicity of data packets; and adaptive selection of a scheduling scheme for a data packet transmission via the two or more transmission paths based on the determined transmission path parameters and the correlation.

Abstract: A method determines at least one system state of a system using a Kalman filter. At least one measured value, measured by at least one sensor of the system, is supplied to the Kalman filter. The method includes estimating the at least one system state using the Kalman filter. An estimation result and at least one associated item of information relating to a reliability of the estimation result are output. The method further includes determining a discrepancy between at least one model value associated with the estimation result and at least one measured value associated with the estimation result, and correcting the at least one associated item of information relating to the reliability of the estimation result using the determined discrepancy.

Abstract: The present invention relates to an intermediate piece (24) for connecting a liquid container (18) to a beverage dispensing outlet (10), including: a lower portion (36) for coupling to a connecting piece (28) of the liquid container; and an upper portion (34) for coupling to a valve piece (26), wherein the intermediate piece (24) is designed as a rigid component without movable parts. The invention further relates to a valve piece (26) for connecting a liquid container (18) to a beverage dispensing outlet (10), a closure system (22), and a liquid container (18).

Abstract: A LIDAR system including a light source for emitting a light pulse along an optical axis, a deflection device to deflect in an oscillating manner the light pulse along the optical axis in first and second spatial directions so that the light pulse along the optical axis repeatedly runs through a two-dimensional scan pattern, and a control unit for activating and deactivating the light source. The oscillating deflection in the first spatial direction is achieved by repeated first partial movements and second partial movements. The oscillating deflection in the second spatial direction is achieved by repeated third partial movements and fourth partial movements. The control unit activates the light source to emit a light pulse at predefined locations of the scan pattern, and activates the light source to emit a light pulse at different pixels during the first partial movements and/or third partial movements than during the second partial movements and/or fourth partial movements.

Abstract: A computer-implemented neural network system including a first machine learning system, in particular a first neural network, a second machine learning system, in particular a second neural network, and a third machine learning system, in particular a third neural network. The first machine learning system is designed to ascertain a higher-dimensional constructed image from a predefinable low-dimensional latent variable. The second machine learning system is designed to ascertain the latent variable again from the higher-dimensional constructed image, and the third machine learning system is designed to distinguish whether or not an image it receives is a real image.

Abstract: A method for operating a motor vehicle, which includes a drive system, including an electric drive machine, a friction braking system and an actuating element. The actuating element is continuously movable between a first end state and a second end state, a position of the actuating element in the first end state corresponding to a percentage value of 0%, and the position of the actuating element in the second end state corresponding to a percentage value of 100%. An acceleration torque for the motor vehicle is predefined if the positon has a percentage value that is greater than a predefined threshold value, and a deceleration torque for the motor vehicle being predefined if the position has a percentage value that is less than the threshold value. The friction braking system is activated in such a way that the friction braking system generates at least partially the predefined deceleration torque.

Abstract: Disclosed are systems and methods for a computerized framework that provides a document structure parsing system for requirement engineering documents, where the logical structure of the text is not available, and is to be rebuilt based on the raw textual content. The framework approaches the build of the logical structure according to two phases. The first phase involves creating a list of list of text snippets from the raw text, where sequence labeling is adopted to re-segment and merge initially segmented text snippets. The second phase involves the framework executing computerized techniques including embedding adaptation approach, a hierarchy structure rebuilt algorithm, and a requirement text selection strategy to rebuild the hierarchy structure.

Abstract: A method detects electrical fault states of a removable battery pack. Cell voltage values of a plurality of energy storage cells of the removable battery pack are detected by a first monitoring unit integrated in the removable battery pack and a voltage of the removable battery pack is detected by a further monitoring unit integrated in an electrical device, in particular a charging device, a diagnostic device or an electrical consumer, that can be connected to the removable battery pack. The cell voltage values detected by the first monitoring unit are transmitted to the further monitoring unit. The further monitoring unit sums the cell voltage values and compares this with the voltage value of the removable battery pack.

Abstract: A method for calibrating a thermometer unit for measuring a core temperature of a system, includes determining a first heat transfer coefficient of the system, and calculating core temperature data corresponding to the core temperature of the system based on the first heat transfer coefficient. The method also includes identifying a change in the core temperature data that exceeds a predetermined threshold. The thermometer unit is calibrated by determining a second heat transfer in response to the identified change in the core temperature data. The core temperature data is calculated based on the second heat transfer coefficient.

Abstract: A system for the infrastructure-based assistance of a motor vehicle driven in an at least semi-automated manner within a parking facility. The system includes: multiple base units, each connected to a surroundings sensor which detect an area of the parking facility. The base units aid the motor vehicle during its drive through the respective area driven in an at least semi-automated manner based on surroundings sensor data of the respective surroundings sensor corresponding to the respective detection. Infrastructure assistance data are ascertained based on the surroundings sensor data, which are transmitted wirelessly to the motor vehicle. Each base unit is responsible for one area. The responsibility for aiding the motor vehicle is forwarded from base station to base station as the motor vehicle drives through the individual areas.

Abstract: The invention relates to a turbomachine (1) for supplying air to a fuel cell system, comprising at least one compressor wheel (3) conjointly connected to a shaft (2), and an electric motor (4) for driving the shaft (2), the compressor wheel (3) being connected via a hub portion (5) to a preferably hollow-cylinder-shaped shaft portion (6) of the shaft (2). According to the invention, at least one air channel (7, 8) is formed in the hub portion (5), by means of which air channel a compressor inlet (9) is connected to an annular space (10) on the side of the compressor wheel (3) facing away from the compressor inlet (9) such that substantially the same air pressure is present on both sides of the compressor wheel (3). The invention further relates to a method for operating a turbomachine (1).

Abstract: A transistor for detecting gases in the ambient air. The transistor includes a plurality of electrodes with one electrode being a gate electrode. At least one electrode is individually coated by a ceramic. An ionogel connects all electrodes with each other, the ionogel being an ionic liquid immobilized by a matrix. The use of such a transistor as an air-quality sensor is described. A process for making the transistor is also described. The process includes providing a plurality of electrodes, wherein one of the electrodes is a gate electrode; individually depositing a ceramic precursor on at least one of the plurality of electrodes; and connecting the plurality of electrodes with an ionogel, the ionogel being an ionic liquid immobilized by a matrix. A transistor produced by the process is also described.