Abstract: A projection device for generating dynamic projections includes: an arrangement of multiple light sources spaced apart from each other; a collimation optic for generating a parallel beam path from the light sources and a microlens array arrangement within the beam path of the collimation lens. The focal length of the lenses at the illumination side of the microlens array arrangement is larger than the distance of the lenses from a slide plane.

Abstract: The present disclosure relates to a driver-assistance system for controlling a velocity of a vehicle. The system having a receiver and a control system. The receiver is configured to receive traffic light data generated by a traffic light control unit for controlling a traffic light. The control system is configured to control the velocity of the vehicle dependent on the traffic light data. The traffic light data indicates a current phase of the traffic light. The control system is configured to control the velocity of the vehicle dependent on the traffic light data such that the vehicle stops in front of the traffic light when the current phase of the traffic light is a red phase and controls the velocity of the vehicle dependent on the traffic light data such that the vehicle reaches a prescribed target velocity when the current phase of the traffic light is a green phase.

Abstract: An optical device includes: a transparent substrate and a coherent transparent layer enclosing the substrate in at least three places, which: forms a plurality of first optical lenses on a first surface and forms a plurality of second optical lenses on a second surface of the substrate arranged opposite the first surface, the transparent layer having a predetermined thickness. A method of manufacturing the optical device is also provided.

Abstract: A method for generating a gas stream with a defined amount of nitrogen oxides includes: providing an initial gas stream; introducing a defined amount of ammonia into the initial gas stream; and generating the gas stream by converting the ammonia to nitrogen oxides. An apparatus for generating a gas stream with a defined amount of nitrogen oxides and an exhaust gas purification test facility is also provided.

Abstract: A hybrid drive for a motor vehicle includes an internal combustion engine, a first electric motor, a second electric motor and a traction battery for supplying the first electric motor and the second electric motor with electrical power. The first electric motor can be coupled to the internal combustion engine in a generator mode in order to charge the traction battery. The second electric motor can be coupled to the internal combustion engine in the generator mode in order to charge the traction battery.

Abstract: The present disclosure relates to a driver-assistance system for assisting a driver of a vehicle, the driver-assistance system comprising a vehicle control unit, a mobile smartphone and a communication system, wherein the vehicle control unit is configured to provide a signal, wherein the signal describes at least partially a state of the vehicle and the smartphone is connectable to the vehicle control unit by the communication system for receiving the signal and comprises a first sensor, wherein the first sensor is configured to generate a first sensor value for detecting a traffic situation of the vehicle and the smartphone is configured to perform an evaluation of a behavior of the driver during the traffic situation dependent on the signal and the first sensor value and to output a result of the evaluation of the behavior of the driver.

Abstract: The present disclosure relates to a network-to-network gateway for vehicles, including a motherboard, a data processing unit and connectors and/or interfaces for interaction by digital data and a touch screen. Further aspects of the present disclosure are a vehicle with a gateway according to the present disclosure and methods for developing and performing tests with a gateway according to the present disclosure.

Abstract: A powertrain for a motor vehicle includes a first electromotive drive module. The first electromotive drive module includes an electric motor and a planetary gear. The electric motor is an inner rotor comprising and internally attached rotor which is circumferentially enclosed by a stator. The inner rotor encloses circumferentially the planetary gear. The planetary gear of the first electromotive drive module can be coupled to a second electromotive drive module. The planetary gear of the first electromotive drive module can be coupled to an internal combustion engine.

Abstract: A projection device for generating dynamic projections includes: an arrangement of multiple light sources spaced apart from each other; a collimation optic for generating a parallel beam path from the light sources and a microlens array arrangement within the beam path of the collimation lens. The focal length of the lenses at the illumination side of the microlens array arrangement is larger than the distance of the lenses from a slide plane.

Abstract: A microlens array for an image projector includes a carrier and a matrix-shaped arrangement with a plurality of lenses which are arranged on the carrier. A microlens array arrangement is also provided, which includes a first microlens array at an illumination side and a second microlens array at a projection side. Each of the first microlens array and the second microlens array has a structure of said microlense array.

Abstract: The present disclosure relates to a driver-assistance system for keeping a vehicle in a lane of a road, the driver-assistance system including a sensor system, a receiver and a control system, wherein the receiver is designed to receive local map data from a transmitter located within a zone of an intersection, wherein the local map data specifies a course of the lane at least partially, wherein the control system is configured to calculate further data for specifying a course of a part of the lane dependent on the local map data, wherein the part of the lane leads at least partially across the intersection, wherein the control system is configured to control a steering system of the vehicle dependent on the further data and sensor data generated by means of the sensor system in order to keep the vehicle in the lane when crossing the intersection.

Abstract: The present disclosure relates to a driver-assistance system comprising a GNSS receiver, a camera and a control unit, wherein the driver-assistance system is configured to calculate respective local lane data for keeping the vehicle in the lane dependent on a respective image of at least the respective segment generated by means of the camera, wherein the respective local lane data specifies a respective course of the lane on the respective segment relative to the vehicle, wherein the driver-assistance system is configured to convert the respective local lane data into respective global lane data dependent on respective GNSS data of the vehicle generated by means of the GNSS receiver when driving on the respective segment and to save the respective global lane data, wherein the respective global lane data specifies the respective course of the lane on the respective segment in global coordinates.

Abstract: In a process for producing methanol, a synthesis gas that has been recovered from biomass is fed to a methanol synthesis apparatus. In a main operating mode in which sufficient electrical power is available for electrolytic hydrogen recovery, correspondingly electrolytically recovered hydrogen is fed to the methanol synthesis apparatus. In a secondary operating mode in which insufficient electrical power is available for electrolytic production of hydrogen, a tail gas that arises from a biogas recovered from a biomass on removal of the synthesis gas is fed to a generator in order to provide electrical power for apparatuses involved in the process.

Abstract: A method for diagnosing an operating status of a fuel cell system having a fuel cell and a system for operating media management, includes creating an operating model (M) of the fuel cell, including an electrochemical model (ecM) and a physical model (pM) coupled thereto. By the electrochemical model (ecM), an electrical operating power (P) of the fuel cell is determinable as a function of an electrical operating current (J) and thermodynamic operating parameters (?). By the physical model (pM), a time-dependent spatial distribution of the thermodynamic operating parameters (?) is determinable. The method further includes: detecting the electrical operating current (J) of the fuel cell and status variables (?) of operating media of the fuel cell; and determining the electrical operating power of the fuel cell by the operating model (M) based on the detected electrical operating current (J) and the detected status variables (?) of the operating media.

Abstract: The present disclosure relates to a driver-assistance system for controlling a velocity of a vehicle. The system having a receiver and a control system. The receiver is configured to receive traffic light data generated by a traffic light control unit for controlling a traffic light. The control system is configured to control the velocity of the vehicle dependent on the traffic light data. The traffic light data indicates a current phase of the traffic light. The control system is configured to control the velocity of the vehicle dependent on the traffic light data such that the vehicle stops in front of the traffic light when the current phase of the traffic light is a red phase and controls the velocity of the vehicle dependent on the traffic light data such that the vehicle reaches a prescribed target velocity when the current phase of the traffic light is a green phase.

Abstract: The present disclosure relates to a driver-assistance system for assisting a driver of a vehicle in performing a lane change of the vehicle, the driver-assistance system including a sensor system for detecting a further vehicle located in an environment of the vehicle, wherein the driver-assistance system is configured to detect a position of the further vehicle dependent on sensor data generated by the sensor system and to check whether there is enough space for performing the lane change of the vehicle dependent on at least the position of the further vehicle and to generate a signal for initiating the lane change wherein when there is enough space for performing the lane change, wherein the sensor system includes a continuously spinning Lidar sensor mounted on a roof of the vehicle.

Abstract: The invention relates to an internal combustion engine, comprising an intake path, a crankcase, an exhaust gas path and a crankcase ventilation means, wherein the crankcase ventilation means is open, closed or separate. The internal combustion engine according to the invention comprises an intake path, a crankcase, an exhaust gas path and an open crankcase ventilation means, wherein the open crankcase ventilation means comprises a first line and a second line, wherein the first line is designed to connect the exhaust gas path to the crankcase in order to guide exhaust gas out of the exhaust gas path to the crankcase, and wherein the second line is designed to connect the crankcase to the exhaust gas path in order to discharge exhaust gas and leakage gases located in the crankcase from the crankcase and to feed them to the exhaust gas path.

Abstract: An optical device includes: a transparent substrate and a coherent transparent layer enclosing the substrate in at least three places, which: forms a plurality of first optical lenses on a first surface and forms a plurality of second optical lenses on a second surface of the substrate arranged opposite the first surface, the transparent layer having a predetermined thickness. A method of manufacturing the optical device is also provided.

Abstract: A method for determining routes for test drives of autonomous vehicles, wherein a plurality of test features are to be encountered or avoided on the routes. The method includes determining a geographical area in which a test drive is to take place, determining a starting point, determining a destination point, determining the plurality of test features, which are relevant for the test drive, creating a logical expression which places the plurality of test features in a logical relationship to one another, determining, at least one route which are located within the geographical area, which have the starting point and the destination point and which satisfy the logical expression, using a map material for the area and positions or areas where the plurality of test features are located, and displaying a representation of the determined routes for a user for the purpose of selecting a selected route.

Abstract: The invention relates to an internal combustion engine, comprising an intake path, a crankcase, an exhaust gas path and a crankcase ventilation means, wherein the crankcase ventilation means is open, closed or separate. The internal combustion engine according to the invention comprises an intake path, a crankcase, an exhaust gas path and an open crankcase ventilation means, wherein the open crankcase ventilation means comprises a first line and a second line, wherein the first line is designed to connect the exhaust gas path to the crankcase in order to guide exhaust gas out of the exhaust gas path to the crankcase, and wherein the second line is designed to connect the crankcase to the exhaust gas path in order to discharge exhaust gas and leakage gases located in the crankcase from the crankcase and to feed them to the exhaust gas path.