Abstract: An ultrasonic sensor unit for a vehicle. The ultrasonic sensor unit is configured to emit first, second, and third ultrasonic waves. The ultrasonic sensor unit is configured to receive and/or detect a movement path with the ultrasonic sensor unit. The ultrasonic sensor unit is configured to detect first, second, and third reflection, of the first, second, and third ultrasonic wave, of an object. The ultrasonic sensor unit is configured to ascertain a first intersection point between the first reflection and the second reflection, a second intersection point between the second reflection and the third reflection, and a first ellipse based on the first intersection point, the second intersection point and the movement path. The ultrasonic sensor unit is configured to determine a type of the object based on the first ellipse.

Abstract: An ultrasonic sensor unit. The ultrasonic sensor unit includes a first ultrasonic element and a logic unit, wherein the first ultrasonic element is configured to emit and/or receive at least one ultrasonic wave, wherein the logic unit is configured to generate an echo signal and a trace signal based on the at least one emitted and/or received ultrasonic wave, wherein the logic unit is configured to predict at least one further ultrasonic wave and a further echo signal based on the echo signal and the trace signal using a Kalman filter, wherein the logic unit is configured to assign the further ultrasonic wave, the further echo signal and/or the further trace signal to the emitted ultrasonic wave, the echo signal and/or the trace signal by means of a Kuhn-Munkres algorithm.

Abstract: A polymer composition is disclosed, particularly a polyamide composition, that has excellent flame resistance and thermal shock resistance. The composition also has excellent electrical insulation properties. The composition contains at least one polyamide polymer, optionally glass fibers, and a crosslinked thermoplastic vulcanizate.

Abstract: A polymer composition and molded polymer articles made from the composition are described that are particularly well suited for contact with cooling fluids in cooling fluid circulation systems. The molded polymer components, for instance, can at least partially define a cooling fluid pathway and are well suited for use in cooling batteries and other electrical components in electrical vehicles. The polymer composition contains a polyamide polymer in combination with glass fibers and at least one stabilizer.

Abstract: A method for fusion of classification results of a plurality of classification models to classify environment objects using ultrasonic sensor devices in a mobile device. The method includes: detecting sensor signals of ultrasonic transducers of the ultrasonic sensor devices; tracking a position of detected environment objects by the ultrasonic sensor devices and classifying an object type of the detected environment objects by one of classification models associated with each of the ultrasonic sensor devices to obtain a classification result; in the event that it is determined that a specific environment object has entered a detection region of one of the ultrasonic sensor devices and was previously located in a detection region of a further of the ultrasonic sensor devices, selecting one of the classification results for the specific environment object depending on a classification quality based on the classification model and depending on the newness of the classification result.

Abstract: A curing composition for rubber includes: a metallic co-agent selected from the group consisting of zinc diacrylate and zinc methacrylate; organic peroxide; sulfur; and a hydrotalcite compound. The curing composition and a rubber matrix can be used to make an uncured rubber composition. A cured rubber is obtainable by curing the uncured rubber composition.

Abstract: A test arrangement for testing a surroundings sensor. The test arrangement includes a receptacle for the surroundings sensor, which is configured to emit a surroundings signal. A first object simulator is configured to receive the surroundings signal as a first receive signal. A second object simulator is configured to receive the surroundings signal as a second receive signal. A processor is configured to ascertain a signal difference, in particular, a phase difference and/or a frequency difference, from the first and second receive signals, and to ascertain, as a function of the signal difference, a spatial relationship between the surroundings sensor, the first object simulator, and/or the second object simulator.

Abstract: A polymer composition is disclosed that contains glass fibers and has an excellent balance of properties. The polymer composition displays a comparative tracking index of greater than about 400 volts and a dielectric strength of greater than about 4 kV/mm. In addition, the polymer composition results in excellent surface properties even when molding parts having a long length. The polymer composition can contain at least one stabilizer in combination with a calcium phosphate, such as a calcium hydroxyphosphate. In one aspect, the calcium phosphate is present in the polymer composition in the form of bone char.

Abstract: A method for operating at least one ultrasonic sensor array, in particular, using a control unit. The ultrasonic sensor array is driven to generate sonic echos. Reflected sonic echos are received by the ultrasonic sensor array, in order to generate measurement data on the basis of the received sonic echos. The ultrasonic sensor array is driven to generate and receive sonic echos in such a manner, that a horizontal and/or vertical solid angle of a detecting range is changed. A control unit, a computer program, and a machine-readable storage medium, are also described.

Abstract: A method for providing training datasets for training an object classification model for object classification in an ultrasonic sensor system is disclosed.

Abstract: A method for evaluating an height of an object in the surrounding environment of a vehicle, using ultrasonic signals acquired by an ultrasonic sensor mounted on the vehicle. In a measurement cycle, a first ultrasonic signal is acquired as an edge reflection or as a directly traveling echo of an object. An expectation window is calculated for an associated interior-corner reflection. A second ultrasonic signal acquired in the expectation window is recognized as an interior-corner reflection associated with the first ultrasonic signal. The first and second ultrasonic signals are combined to form a signal group. A significance is determined for each ultrasonic signal. The signal group is assigned to a first or second echo group. The rates of the assignment to the first and to the second echo group are determined over a number of measurement cycles. An evaluation of the height is based on the first and second rates.

Abstract: A method for operating an ultrasonic sensor system having an ultrasonic sensor device for determining an object property of an environment object, in which classification models for determining classification results which specify a modeled object property of the environment object are provided for a plurality of detection situations of the environment object, each classification model trained for evaluation with a different subset of signal characteristics extracted from ultrasonic reception signals to provide a classification result of the corresponding classification model and an associated quality specification, includes: detecting the ultrasonic reception signals; determining the quantity of signal characteristics from the ultrasonic reception signals; determining classification results and associated quality specifications by evaluating the classification models with the corresponding subset of the quantity of the signal characteristics on the basis of the detection situation; and determining the object

Abstract: A flame retardant thermoplastic polymer composition is disclosed. The flame retardant composition can include a flame retardant system comprised of only two flame retardant components. The composition can display excellent flame resistant properties at extremely small thicknesses. The composition can also contain a stabilizer package that dramatically improves heat aging properties.

Abstract: A polymer composition that comprises from about 20 wt. % to about 70 wt. % of a polymer matrix that includes a polyimide; from about 10 wt. % to about 50 wt. % of inorganic fibers; from about 5 wt. % to about 30 wt. % of a flame retardant system that includes an organophosphorous compound; and from about 0.1 wt. % to about 5 wt. % of a stabilizer system that includes a heat stabilizer is provided. The heat stabilizer includes a copper compound. The polymer composition exhibits an initial tensile strength and an aged tensile strength after exposure to temperature of 200° C. for 1,000 hours. The ratio of the aged tensile strength to the initial tensile strength is about 0.5 or more.

Abstract: A multi-part frame (10) for a sliding roof of a vehicle or a tilt-and-slide roof of a vehicle for guiding and holding a movable cover element allocated to a corresponding roof opening is specified, with a support component (12) formed as a plastic injection-moulded part, in which open cable channels (24) are moulded, in order to guide drive cables for moving the cover element, which are in drive engagement with a drive device, displaceably in a compression-resistant manner, wherein the cable channels (24) are configured such that they can be closed by at least one cover (14) likewise formed as a plastic injection-moulded part and fastenable to the support component (12), and wherein the fastening of the cover (14) to the support component (12) is configured such that an installation direction during fastening of the cover (14) to the support component (12) runs in the horizontal direction. Furthermore, a method for installing a multi-part frame (10) is specified.

Abstract: A method for classifying objects in the surroundings of a vehicle using ultrasonic sensors which emit ultrasonic pulses and receive ultrasonic echoes reflected by objects. Distances between the sensors and objects reflecting ultrasonic pulses are ascertained via at least two ultrasonic sensors including overlapping fields of vision, and a position determination of the reflecting objects taking place using lateration and the assignment of the received ultrasonic echoes to object hypotheses for distinguishing between extensive objects and point-like objects.

Abstract: A method for evaluating an height of an object in the surrounding environment of a vehicle, using ultrasonic signals acquired by an ultrasonic sensor mounted on the vehicle. In a measurement cycle, a first ultrasonic signal is acquired as an edge reflection or as a directly traveling echo of an object. An expectation window is calculated for an associated interior-corner reflection. A second ultrasonic signal acquired in the expectation window is recognized as an interior-corner reflection associated with the first ultrasonic signal. The first and second ultrasonic signals are combined to form a signal group. A significance is determined for each ultrasonic signal. The signal group is assigned to a first or second echo group. The rates of the assignment to the first and to the second echo group are determined over a number of measurement cycles. An evaluation of the height is based on the first and second rates.

Abstract: A metal braided hose includes: an inner tube including an elastic material; a first metal wire braided layer enveloping an outer surface of the inner tube; and a second metal wire braided layer enveloping the first metal wire braided layer. A wire thickness of the second metal wire braided layer is smaller than a wire thickness of the first metal wire braided layer.

Abstract: A method for evaluating an effect of an object in the surroundings of a transport device on a driving maneuver of the transport device. The method includes: ascertaining a first distance between the object and a first position of the transport device with the aid of a first ultrasonic sensor of the transport device; ascertaining a second distance between the object and a second position of the transport device different from the first position, using the first ultrasonic sensor of the transport device; calculating a change between the first distance and the second distance with regard to a path, which corresponds to a distance traveled between the first position and the second position of the transport device; and taking into account or not taking into account the object during the execution of the driving maneuver of the transport device as a function of a result of the calculation.

Abstract: A method for monitoring the surroundings of a vehicle, the surroundings behind the vehicle being detected with the aid of ultrasonic sensors and with the aid of at least one imaging sensor, a warning signal being output when an object that has a distance to the vehicle smaller than a predefined minimum distance is detected with the aid of ultrasonic sensors, a trailer of the vehicle being recognized with the aid of the imaging sensor, and the warning signal not being output when the object is the trailer recognized by the imaging sensor.