Abstract: Techniques for managing cluster of devices are described. The clusters may refer to machines or instances of transactional database. A server may control cluster management. The server may operate an observability loop to manage the clusters. The observability loop may operate a plurality of observer phases in parallel, each observer phase monitoring a different parameter relating to the health of the cluster and generating a recommended action to improve the health of the cluster if an incident is present. The observability loop may rank the recommended actions from the different observer phases and may execute the highest ranked recommended action.

Abstract: A LIDAR device for scanning scanning areas. The LIDAR device includes an emitting unit that includes at least one beam source for generating and for emitting beams into the scanning area, and includes a receiving unit that includes at least one detector for receiving beams backscattered and/or reflected from the scanning area, a radiant power of the beams backscattered and/or reflected from the scanning area directed at the at least one detector in the area of the emitting unit and/or in the area of the receiving unit being actively and/or passively dampable for expanding the dynamic range.

Abstract: A sensor device for detecting an object with the aid of light of at least one wavelength, including a transmitting unit for emitting light using at least one light source and a receiving unit for receiving light, the light emitted by the transmitting unit in the plane perpendicular to the transmit path having the form of a circumferential surface, which includes an inner area to which light is not applied, an optical element being situated in a shared part of the transmit and receive paths, in such a way that the cross-section surface of the optical element in the plane perpendicular to the transmit path essentially completely overlaps with its cross-section surface the inner area to which light is not applied.

Abstract: A method and to a device for activating a SPAD-based LIDAR sensor and a surroundings detection system. The method includes: emitting a predefined transmission pulse pattern into surroundings of the LIDAR sensor, the transmission pulse pattern being made up of a plurality of consecutive light pulses; detecting photons arriving in the LIDAR sensor within a predefined detection time period after the emission of a respective light pulse; generating histograms which represent a frequency of detected photons with respect to respective reception points in time, each histogram referring to a respective detection time period, and to a respective macropixel; ascertaining a histogram evaluation window, based on which those histograms corresponding to the transmission pulse pattern are selected from a chronological sequence of histograms which, during an allocation to a total histogram, meet predefined criteria for the total histogram; and providing the total histogram for generating a 3D point cloud.

Abstract: A lidar assembly. The lidar assembly includes a rotor, which is situated so as to rotate about an axis of rotation. The rotor has at least two sensor devices. Each sensor device has at least one laser and detector pair. Each sensor device is designed to acquire a separate sensor range of a gapless field of view area situated parallel to the axis of rotation. The sensor devices are disposed in different circumferential positions of the rotor.

Abstract: A downhole system includes a drill string having a drilling fluid flow channel and at least one turbine alternator deployed in the flow channel. The turbine alternator is configured to convert flowing drilling fluid to electrical power. A voltage bus is configured to receive electrical power from the turbine alternator and at least one electrical motor is configured to receive electrical power from the voltage bus. An electronic controller is configured to provide active control of the turbine alternator via processing a desired speed of the electrical motor to generate a desired torque current and feeding the desired torque current forward to the turbine alternator. The turbine alternator is responsive to the desired torque current such that it modifies the electrical power provided to the voltage bus in response to the desired torque.

Abstract: A lidar device for scanning a region to be scanned, using at least one beam, including at least one radiation source for generating the at least one beam, and at least two mirrors rotatable about an axis of rotation, in order to deflect beams reflected by an object, onto a detector oriented perpendicularly to the axis of rotation; the at least two mirrors having, in each instance, a reflectivity for a wavelength range and being connectable to each other at an angle, in a region of the axis of rotation. A method for scanning a region to be scanned, using a lidar device, is also described.

Abstract: A light transmission element for an optical unit for transmitting and, in the process, adapting the angle of transmitted light, including a sequence of a multitude of optical elements situated in the form of a layer, in which the layer forms a first side and a second side, which face away from one another, a respective optical element including a pair of subelements, which each extend from a geometrically essentially identical base in a tapering manner and which face one another with their bases and extend with different lengths along their taper, and the optical elements being aligned in such a way that subelements having a greater length face the first side and subelements having a lesser length face the second side.

Abstract: An optical sensor includes first and second light detectors, an optical path, and an evaluation unit. The first light detector detects light in the infrared wavelength range. A light sensitivity of the CCD sensors of the first and second light detectors differ from one another with regard to a predefined wavelength range. The first and second light detectors include pixels in columns and situated next to one another so that a first longitudinal side of the first light detector adjoins a first longitudinal side of the second light detector, and the first and second light detectors receive light via the optical path. The first and second light detectors generate first and second measuring signals, respectively, from electrical charges. The evaluation unit receives the first measuring signals at a first sampling frequency and the second measuring signals at a second sampling frequency, and combines these to form an output signal.

Abstract: A method for operating a LIDAR device using a control unit. At least one radiation source is activated to generate pulsed beams and the pulsed beams are emitted into a scanning area. The beams that are reflected or backscattered in the scanning area are received by a receiving optical system and guided onto a detector. An amplitude profile of a reference pulse is emulated by the pulsed beams of the at least one radiation source. It is possible to generate and emit multiple pulsed beams temporally quickly one after the other. The pulsed beams have an increasingly ascending and subsequently once again descending amplitude as a function of time. The pulsed beams have a pulse duration, which is shorter than a pulse duration of the reference pulse. The pulsed beams are temporally spaced apart from one another by breaks.

Abstract: The disclosure relates to a device for a vehicle. The device comprises a component for the vehicle and an explosive module. The explosive module is configured so as in response to a trigger signal to cause the component to fragment.

Abstract: A directed light source supplies a light cone which is guided across a predefined area. A method for controlling the light source includes determining a movement of the light source; estimating an impending change in a section of the area illuminated by the light cone as a result of the determined movement; determining that the section will most likely be illuminated by the changed light cone for longer than predefined; and supplying a dimming signal for the light source.

Abstract: A method for setting a scanning action of at least one LIDAR sensor by a control unit. Measured data of the LIDAR sensor are received, and at least one parameter is ascertained. A scanning action of the LIDAR sensor is adapted, based on the ascertained parameter or in a time-dependent manner. A control unit is also described.

Abstract: A lidar system that is configured to scan an environment with a light beam in order to acquire depth information regarding the environment. The lidar system is additionally configured to acquire color information regarding the environment. Also described is a motor vehicle having a lidar system operatively connected to the motor vehicle.

Abstract: A lidar system that is configured to scan an environment with a light beam in order to acquire information regarding the environment is described. The lidar system is furthermore configured to detect both highly reflective objects in a near field of the environment and low-reflectivity objects in a far field regarding of the environment. The lidar system has several photodetectors that are configured to have different saturation probabilities. A motor vehicle having a lidar system of this kind which is operatively connected to the motor vehicle, is also described.

Abstract: A sensor module for a sensor. The sensor module includes a motor; a housing part including a cover; and a cleaning device. The cleaning device includes a fluid nozzle assembly including a first fluid nozzle, the fluid nozzle assembly being movable along a surface of the cover with the aid of the motor, and being designed to direct a fluid stream onto the surface of the cover.

Abstract: A downhole system includes a drill string having a drilling fluid flow channel and at least one turbine alternator deployed in the flow channel. The turbine alternator is configured to convert flowing drilling fluid to electrical power. A voltage bus is configured to receive electrical power from the turbine alternator and at least one electrical motor is configured to receive electrical power from the voltage bus. An electronic controller is configured to provide active control of the turbine alternator via processing a desired speed of the electrical motor to generate a desired torque current and feeding the desired torque current forward to the turbine alternator. The turbine alternator is responsive to the desired torque current such that it modifies the electrical power provided to the voltage bus in response to the desired torque.

Abstract: An assembly configured to operate a surroundings sensor in a roof area of a means of transportation includes a thermally conductive segment and a thermal interface that is configured to protrude into, and be thermally connected to a volume of, a passenger compartment of the means of transportation.

Abstract: A 3-D lidar sensor, in particular, for motor vehicles, includes a laser beam source, an optical receiver and a scanning system for deflecting a laser beam generated by the laser beam source in two scanning directions perpendicular to each other; to increase the functionality, a further detection device for deviations from normal operation being provided in the 3-D lidar sensor. In addition, a corresponding method for operating the 3-D lidar sensor is provided.

Abstract: A lidar scanning device for use in a motor vehicle includes a lidar sensor having a predefined scanning field, the lidar sensor being configured for determining the distance of an object within the scanning field, and a pivot device for varying an alignment of the scanning field of the lidar sensor as a function of a driving direction of the motor vehicle.