42results about How to "Achieved quickly and efficiently" patented technology

A method for changing a light emission of at least one headlight of a vehicle. The method includes reading in a position signal which represents a position of the object in front of or alongside the vehicle. The method also includes changing the light emission from at least one headlight of the vehicle onto the object or into the surroundings of the object, using the position signal. For the change, a changing illumination pattern is emitted onto the object or into the surroundings of the object in order to change the light emission of the at least one headlight of the vehicle.

A method is described for recognizing fatigue, the method comprising an ascertaining step, a determining step, and a comparing step. In the ascertaining step a first saccade and at least one further saccade of an eye movement of a person are ascertained using a gaze direction signal that models the eye movement. In the determining step, a first data point representing a first amplitude of the first saccade and a first peak velocity of the first saccade, and at least one further data point representing a further amplitude of the further saccade and a further peak velocity of the further saccade, are determined using the gaze direction signal. In the comparing step, the first data point and at least the further data point are compared with a saccade model. The person is recognized as fatigued if the data points have a predetermined relationship to a confidence region of the saccade model.

A method is provided for determining a collision characteristic of a vehicle collision for triggering safety means of the vehicle. The method has a step of an ascertainment of at least one determination-relevant time segment of a sensor signal representing the vehicle collision before a triggering time for a safety means. The method also has a step of a comparison of at least two features of the sensor signal in the at least one time segment with one another in order to determine the collision characteristic.

A method for switching on a high-beam headlight of a vehicle includes: a step of receiving high-beam information by way of an interface, the high-beam information indicating a possibility of a glare-free operation of the high-beam headlight; a step of determining a traveled distance of the vehicle in response to receiving the high-beam information, and a step of supplying switch-on information for activating the high-beam headlight if the traveled distance after receiving the high-beam information is greater than a predefined minimum distance.

A method for controlling a light emission of at least one headlight of a vehicle. The method includes receiving a change enabling signal for performing a change of the light emission of the at least one headlight from an input emission characteristic to an output emission characteristic during a debouncing period and / or debouncing distance which begin(s) in response to the change enabling signal. The method also includes changing the light emission of the at least one headlight from the input emission characteristic to an intermediate emission characteristic in response to the change enabling signal. The method also includes changing the light emission of the at least one headlight from the intermediate emission characteristic to the output emission characteristic after the debouncing period and / or the debouncing distance has / have elapsed.

A method is described for controlling an occupant protection arrangement which has at least two levels of protection for an occupant of a vehicle. The method has a step of selecting one of the at least two levels of protection of the occupant protection means as the level of protection to be used in the event of an impact of the vehicle using a yaw direction of the vehicle.

A cable winch having a receiving unit for accommodating a cable drum that includes a cable wound about an axis of the cable drum. The receiving unit includes a quick mounting mechanism for attaching the cable drum in a manually detachable manner to the cable winch.

A method for situation-related steering assistance in a lane keeping assistant for a vehicle includes: importing a collision signal; ascertaining a correction signal for adapting an intervention torque for the lane keeping assistant, in order to provide a situation-related steering assistance in the lane keeping assistant. The collision signal represents information about a risk of collision during a lane change, and the correction signal is ascertained using the collision signal.

A method for recognizing a state of tiredness and / or sleep of a vehicle driver. The method includes reading in a first and second eye opening signal, the first signal representing a degree of eye opening and / or a signal derived therefrom of the left eye of the driver of the vehicle and the second signal representing a degree of eye opening and / or a signal derived therefrom of the right eye of the driver of the vehicle. The method also includes recognizing a validity of the first and / or second signal to recognize the first signal as valid if the first signal corresponds to a first criterion and / or to recognize the second signal as valid if the second eye signal corresponds to a second criterion, and determining the state of tiredness and / or sleep of the driver of the vehicle using the first signal recognized as valid and / or the second signal recognized as valid.

A method for controlling a safety device of a vehicle. The safety device reacts to an imminent collision of the vehicle with a collision object by an intervention in a longitudinal and / or lateral guidance of the vehicle. The method includes reading in environment data and trip data regarding the collision object and the vehicle, and intervention data regarding the intervention of the safety device; ascertaining a first expected impingement point of the collision object on the vehicle using the environment data and the trip data, and a second expected impingement point of the collision object on the vehicle using the environment data, the trip data, and the intervention data; executing an evaluation of a location of the first expected impingement point and of a location of the second expected impingement point relative to subregions referred to the vehicle, using reference data; and generating a control signal for the safety device.

A device for changing the rigidity of a vehicle includes: at least one frame side member; and an adaptive element having at least two fastening points, one of the at least two fastening points being connected to the at least one frame side member. The adaptive element is aligned transversely to the at least one frame side member, and the adaptive element has an actuator including an interface for receiving a triggering signal for operating the actuator. The actuator is configured to change the rigidity of the adaptive element in response to the triggering signal.

A method for sampling an image sensor, the image sensor having a lattice structure having a plurality of triangular sensor elements. In the lattice structure, sensor elements situated adjacent to one another are configured to detect light having respectively different light properties. The method includes a step of reading out the image sensor by sampling a plurality of sensor elements of the lattice structure that are configured to detect light in a same first wavelength range, one sensor signal being read out per sensor element in the step of reading out. In addition, the method includes a step of buffering the read-out sensor signals and a step of producing an item of image information assigned to a point of acquisition of the image sensor, using the buffered sensor signals.

A fault current sensor for a fault current protection device for monitoring an electrical consumer for a vehicle is provided. The fault current sensor has a measuring device for measuring a differential current between a first electrical current in an electrical forward conductor, which conducts from a control device for controlling the electrical consumer to the electrical consumer, and a second electrical current in an electrical return conductor, which conducts away from the electrical consumer. The fault current sensor also has a reporting device for reporting a fault current at the control device via the forward conductor depending on a comparison of the measured differential current with a threshold value.

A method for determining a recognition threshold for recognizing the presence of a tooth or a tooth gap of a position sensor in front of a sensor is presented. The method includes a step of reading in a sensor signal which represents a variation over time of a measured magnetic field when the teeth and the tooth gaps of the position sensor are passed by the sensor. In addition, the method includes a step of ascertaining from the sensor signal a first value based on a minimum value of the sensor signal and a first value based on a maximum value of the sensor signal within a predefined time interval. The method also includes a step of computing a differential absolute value which represents a predetermined percentage of a difference between the value based on the at least one maximum value and a value based on the at least one minimum value of the sensor signal. Lastly, the method includes a step of determining the recognition threshold, so that the recognition threshold represents a value that corresponds to a result of adding the differential absolute value to the first value based on the minimum value of the sensor signal.

A method for switching on a high-beam headlight of a vehicle includes: a step of receiving high-beam information by way of an interface, the high-beam information indicating a possibility of a glare-free operation of the high-beam headlight; a step of determining a traveled distance of the vehicle in response to receiving the high-beam information, and a step of supplying switch-on information for activating the high-beam headlight if the traveled distance after receiving the high-beam information is greater than a predefined minimum distance.

A method for sampling an image sensor, the image sensor having a lattice structure having a plurality of triangular sensor elements. In the lattice structure, sensor elements situated adjacent to one another are configured to detect light having respectively different light properties. The method includes a step of reading out the image sensor by sampling a plurality of sensor elements of the lattice structure that are configured to detect light in a same first wavelength range, one sensor signal being read out per sensor element in the step of reading out. In addition, the method includes a step of buffering the read-out sensor signals and a step of producing an item of image information assigned to a point of acquisition of the image sensor, using the buffered sensor signals.

A method for supporting an attentiveness and / or driving readiness of a driver during an automated driving operation of a vehicle. The method includes computing a failure probability value using at least one read-in map information signal, environmental condition signal, and / or probability signal. The failure probability value represents a failure probability of a driver assistance system for carrying out an automated driving operation. The probability signal represents an error probability and / or failure probability of at least one vehicle sensor of the driver assistance system. The method also includes determining a comparison parameter in response to the computed failure probability value, the comparison parameter representing the result of a comparison of an extent of a necessary driving requirement on the traveled travel route of the vehicle to a degree of instantaneous attentiveness of the driver. The method also includes providing an advance warning signal in response to the determined comparison parameter.

A printed circuit board device for an image capture module for a camera. The printed circuit board device includes a printed circuit board, an image sensor, and at least one copper layer and / or carbon layer. The printed circuit board includes a first main surface and a second main surface opposite from the first main surface. The image sensor is or may be situated on the first main surface of the printed circuit board. The copper layer that contains copper at least in part, and / or the carbon layer that contains carbon at least in part, are / is situated on the second main surface and formed for stabilization of the printed circuit board.

A method is provided for determining a collision characteristic of a vehicle collision for triggering safety means of the vehicle. The method has a step of an ascertainment of at least one determination-relevant time segment of a sensor signal representing the vehicle collision before a triggering time for a safety means. The method also has a step of a comparison of at least two features of the sensor signal in the at least one time segment with one another in order to determine the collision characteristic.

A method for controlling a safety device of a vehicle. The safety device reacts to an imminent collision of the vehicle with a collision object by an intervention in a longitudinal and / or lateral guidance of the vehicle. Environment data and trip data regarding the collision object and the vehicle, and intervention data regarding a planned intervention of the safety device, are read in. A first expected impingement point of the collision object on the vehicle is ascertained using the environment data and the trip data, and a second expected impingement point is ascertained using the environment data, the trip data, and the intervention data. A location of the first expected impingement point and of a location of the second expected impingement point relative to subregions referred to the vehicle are evaluated, using reference data. A control signal for the safety device is generated depending on a result of the evaluation.

A door structure, said structure for use particularly, although not necessarily exclusively, to selectively close an opening between a first environment which is at a temperature which is lower than the temperature of the environment on the opposing side of the opening. The door is provided with a structure so as to define a cavity-therein into which air is caused to flow. The door has formations and a structure so as to encourage uniform air flow through the cavity and hence prevent or minimise the creation of condensation and / or frost on the door structure.

A method for controlling at least one actuator of an actuator system, including: outputting a first control signal from a first control device via a line to an actuator, wherein the actuator system has at least the first control device and a second control device, wherein the first control device is configured to control at least the actuator via the line and wherein the second control device is configured to control the actuator via the line; detecting the first control signal on the line by the second control device and suppressing the output of a second control signal to the actuator by the second control device during a time in which the first control device is outputting the first control signal to the line; determining a time by the second control device at which no first control signal is present on the line; and applying to the actuator a second control signal via the line by the second control device if no first control signal is present on the line. Also described are a related apparatus and a computer readable medium.

A method for commissioning a sensor series circuit configured in a daisy chain topology. A second sensor being downstream from a first sensor. The method includes furnishing a first switch signal to the first sensor to close the first switch, the first switch signal being furnished in response to a successful initialization of the first sensor, monitoring a function of the second sensor during initialization of the second sensor to ascertain whether the second sensor exhibits a fault upon initialization or is initialized correctly, and to furnish a fault signal if it is ascertained that the second sensor exhibits a fault upon initialization; and outputting a suppression signal to the first sensor if the fault signal has been furnished, to prevent the first switch from being closed.

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. The dynamic object probability indicates for each pixel the probability of belonging to a moving object or to a static object.

A method for processing measured data of an image sensor. The method includes reading in measured data that have been recorded by light sensors in the surroundings of a reference position on the image sensor. The light sensors are situated around the reference position on the image sensor. Weighting values are read in, each of which is associated with the measured data of the light sensors in the surroundings of a reference position, the weighting values for light sensors situated at an edge area of the image sensor differing from weighting values for light sensors situated in a central area of the image sensor, and / or the weighting values being a function of a position of the light sensors on the image sensor. The method includes linking the measured data of the light sensors to the associated weighting values to obtain image data for the reference position.

A method for ascertaining a liquid depth of a liquid accumulation on a travel path of a vehicle, in particular in front of a vehicle. The method comprises the following steps: reading in a current image of a vehicle-external region of the travel path, detected by an image detection device in particular of the vehicle, in which a detected liquid accumulation is present, and ascertaining the liquid depth of the liquid accumulation by comparing the current image with an image that is stored in a storage device and represents the vehicle-external region without a liquid accumulation.

A method for ascertaining a load capacitance of a data bus includes reading in and a determining task. In the reading in, a scaling factor of a synchronization pulse of the data bus is read in. In the determining, the load capacitance is determined using the scaling factor and a processing rule.

A fault current sensor for a fault current protection device for monitoring an electrical consumer for a vehicle is provided. The fault current sensor has a measuring device for measuring a differential current between a first electrical current in an electrical forward conductor, which conducts from a control device for controlling the electrical consumer to the electrical consumer, and a second electrical current in an electrical return conductor, which conducts away from the electrical consumer. The fault current sensor also has a reporting device for reporting a fault current at the control device via the forward conductor depending on a comparison of the measured differential current with a threshold value.