Abstract: A method for controlling a lighting system for a motor vehicle having a system for detecting objects includes defining at least one set of detectable types of objects and acquiring, by means of the detection system, a set of data relating to the position of a plurality of objects of types belonging to the set. Also included is determining a lighting model which is associated with said set and defines at least one zone referred to as the initial detection zone, and a light pattern referred to as the initial light pattern, of a light beam intended to be emitted in the initial detection zone. The lighting system is controlled in order to emit a light beam having the initial light pattern in the initial detection zone of said lighting model.

Abstract: A method for controlling an automotive lighting device. The method includes projecting a first light pattern, capturing an image of a region in front of the lighting device, obtaining a luminance map from the captured image, identifying objects in the luminance map and classify them as reliable or not reliable, according to at least one reliability criterion and modifying the first light pattern to modify the luminous intensity in at least one zone intended to project light on a non-reliable object.

Abstract: A method for operating an automotive lighting device including providing a first preliminary current profile, calculating a first preliminary derating time associated to the first preliminary current profile, providing a second preliminary current profile, calculating a second preliminary derating time associated to the second preliminary current profile, feeding the first light module with a first current profile which provides a total amount of current lower than the first preliminary amount of current, and feeding the second light module with a second current profile which provides a total amount of current higher than the second preliminary amount of current.

Abstract: This invention provides a method for operating an automotive arrangement with a lighting device and a vehicle sensor. This method comprises the steps of providing a plurality of auxiliary sensors, configured to provide some device data, provide a control unit configured to estimate a vehicle sensor temperature using the device data and controlling an operation parameter of the automotive lighting device using the estimated vehicle sensor tem-perature. The invention also provides a data processing element and a computer program to carry out this method and an automotive lighting device comprising a control unit which carries out this method.

Abstract: A lighting system for a motor vehicle with a pixelated light source having a plurality of selectively activatable elementary light sources is described. The activation of each elementary light source being controlled exclusively by a switch assigned to the elementary light source. A power converter designed to supply an electrical power to the pixelated light source and a controller designed to control the voltage supplied by the power converter and to control the switches controlling the activation of the elementary light sources. The lighting system also includes an electrical current sensor designed to measure the electrical current supplied by the power converter to the pixelated light source and to transmit information relating to said measured current to the controller.

Abstract: A light system including a first light source, a second light source, a first drive device configured to supply a first pulse-width modulation current for supplying power to the first light source, the first current including a first peak intensity and a first duty cycle, a second drive device configured to supply a second pulse-width modulation current for supplying power to the second light source with the second current comprising a second peak intensity and a second duty cycle, a control module generating a first control signal and a second control signal for the first control device and the second control device. The first peak intensity being lower than the second peak intensity, and the first duty cycle is higher than the second duty cycle.

Abstract: A method for operating an automotive lighting device including providing a first preliminary current profile, calculating a first preliminary derating time associated to the first preliminary current profile, providing a second preliminary current profile, calculating a second preliminary derating time associated to the second preliminary current profile, feeding the first light module with a first current profile which provides a total amount of current lower than the first preliminary amount of current, and feeding the second light module with a second current profile which provides a total amount of current higher than the second preliminary amount of current

Abstract: A lighting system for a motor vehicle includes at least one lighting module capable of projecting lighting functions from image data, a control unit connected to the at least one lighting module by a data transmission channel and configured to generate a control image intended for the lighting module as a function of the optical features of the lighting module and of a setpoint datum. The lighting system also includes compression and decompression units to compress and decompress the image data while the data image travels between the control unit and the at least one lighting module.

Abstract: This invention provides a method for detecting a failure in a solid-state light source of an automotive lighting device. This method provides an estimated temperature profile for the lighting device, measures an actual temperature profile of the lighting device and compares the estimated temperature profile with the actual temperature profile in order to detect a difference between them.

Abstract: A method for adapting a setpoint for a digital lighting unit, which is intended to be projected by a digital lighting unit of a motor vehicle, which includes a matrix light source and an optical system. The method includes a step of applying digital filtering to the digital setpoint. The filter used is capable of anticipating geometric aberrations induced by said optical system when projecting a digital setpoint.

Abstract: The invention relates to a method for managing image data in a motor vehicle lighting system. The lighting system comprises at least one lighting module intended to project light beams generated on the basis of data relating to the selection of at least one image, each image being defined by a matrix containing a plurality of horizontal or vertical rows of pixels, wherein each pixel is characterized by a numerical value related to a light intensity of the pixel, said method determining whether the analyzed pixel is regarded as a significant inflection point of the image such that said analyzed pixel is transmitted to at least one lighting module so that same can project a resulting image. The invention also relates to a motor vehicle lighting system for carrying out the steps of a method of this kind.

Abstract: The invention relates to a method for managing image data in an motor vehicle lighting system, the lighting system including at least one lighting module intended to project light beams generated on the basis of data relating to the selection of at least one image. The method including receiving an instruction to activate at least one image to be projected, converting the original image into N grey levels, determining, for each pixel in each row in the matrix, whether the pixel under analysis is a significant point of inflection, storing the pixel under analysis as a compressed pixel in a list when the pixel under analysis is considered to be a significant point of inflection, and transmitting the list to the at least one lighting module so that it is able to project a resulting image.

Abstract: The invention provides a method for managing image data in a motor vehicle lighting system, the lighting system including at least one lighting module intended to project light beams, the light beams being generated from data relating to the selection of at least one image, each image being respectively defined by a matrix including a plurality of horizontal or vertical rows of pixels, with each pixel having a numerical value related to a light intensity of the pixel. The method includes determining whether the pixel under analysis is considered to be a significant point of inflection of the image, so as to transmit it to at least one lighting module, so that it is able to project a resulting image.

Abstract: A method for managing image data in a vehicle lighting system that includes a lighting module and a multiplexed bus for transmitting compressed image data to the lighting module. The method includes receiving an instruction to trigger at least one lighting function to be generated by the at least one lighting module. Determining a required data rate level for transmitting the compressed image data over the multiplexed bus. Comparing the determined data rate level with a data rate threshold value of the multiplexed bus. Compressing the image data of the lighting function according to: the first frequency when the determined data rate level is lower than or equal to the data rate threshold value and according to a second frequency selected within the frequency range such that the second frequency is lower than the first frequency when the determined data rate level is greater than the data rate threshold value.

Abstract: A lighting system for a motor vehicle with a pixelated light source having a plurality of selectively activatable elementary light sources is described. The activation of each elementary light source being controlled exclusively by a switch assigned to the elementary light source. A power converter designed to supply an electrical power to the pixelated light source and a controller designed to control the voltage supplied by the power converter and to control the switches controlling the activation of the elementary light sources. The lighting system also includes an electrical current sensor designed to measure the electrical current supplied by the power converter to the pixelated light source and to transmit information relating to said measured current to the controller.

Abstract: This invention provides a method for operating an automotive arrangement with a lighting device and a vehicle sensor. This method comprises the steps of providing a plurality of auxiliary sensors, configured to provide some device data, provide a control unit configured to estimate a vehicle sensor temperature using the device data and controlling an operation parameter of the automotive lighting device using the estimated vehicle sensor tem-perature. The invention also provides a data processing element and a computer program to carry out this method and an automotive lighting device comprising a control unit which carries out this method.

Abstract: This invention provides a method for operating an automotive lighting device comprising at least one solid-state light source. This method comprises the steps of providing a plurality of sensors, configured to provide some device data, provide a control unit configured to receive and process the device data, generate an estimated condition of the lighting device based on the device data and controlling an operation parameter of the automotive lighting device using the estimated condition. The invention also provides a data processing element and a computer program to carry out this method and an automotive lighting device comprising a control unit which carries out this method.

Abstract: The invention relates to a method for controlling a luminous device of a motor vehicle arranged to emit a pixelated light beam in a preset emission region. The method includes receiving an instruction to emit a desired pixelated luminous function for each of the luminous modules. The instruction for creating a digital image forming one segment of the desired pixelated luminous function in a frame corresponding to the preset emission region of the luminous module, the digital image being independent of the types of light sources and of optical device of the luminous module. The method further correcting said created digital image depending on the types of light sources and of optical device of the luminous module. The method additionally emitting, with the luminous module, into the preset emission region, a pixelated light beam corresponding to the corrected digital image.

Abstract: Method for controlling modules for projecting pixelated light beams of a host vehicle. The host vehicle includes a step of determining, using a control device and according to the collected data, a polynomial function which models the profile of the edge and the centre of the road, such that the road profile is modelled based on a polynomial function, the degree of which depends on the curvature of the road. Also included is a step of determining, by means of the control device, a starting point (Pd) and an arrival point (Pa) of an area for projection (ZPd, ZPg, ZP) of patterns, and a step of determining, by means of the control device, a distance (De) between an axis (Ac) of a data/image acquisition means and the patterns, respectively for a right projection area ZPd and a left projection area ZPg. The control device is used to determine the width (Lm) of the pattern.

Abstract: A plurality of luminous modules able to emit a segmented light beam to be controlled by a common control processor having a single video output interface, while maintaining the ability to project different outlines with each luminous module. This decreases the number of connections necessary between a control unit and a plurality of luminous modules, thereby decreasing the complexity of the system, and decreasing the production cost thereof.