Abstract: An orientation system comprises an orientation sensor, a distance sensor, and vehicle processing unit. The orientation sensor is configured to generate orientation data. The distance sensor is configured to generate relative distance data measuring relative distances to objects external to the vehicle. The vehicle processing unit is configured to receive the orientation data from the orientation sensor and the relative distance data from the distance sensor, wherein the vehicle processing unit detects orientation errors based on the relative distance data.

Abstract: Thermal management and shielding techniques for a radar device of a vehicle, the radar device having a radar transceiver circuit and a radar-transmissive radome, include a housing formed of a thermally-conductive plastic material and configured to receive and provide shield grounding to the radar transceiver circuit, and a metal layer applied to an inner surface of the housing to provide for thermal spreading of heat energy generated by the radar transceiver circuit.

Abstract: A radar system for a vehicle includes: a processing device having multiple transmit outputs and multiple receive inputs; a main transmit antenna to transmit main radar waves essentially parallel to a road, and coupled to the processing device via a first transmit output; a main receive antenna to receive reflections of the main radar waves off objects, and coupled via a first receive input; a first street condition monitoring (SCM) transmit antenna to transmit first polarized radar waves essentially directed to the road at a first polarization, and coupled via a second transmit output; and a first SCM receive antenna to receive, at the first polarization, reflections of the polarized radar waves off the road, and coupled via a second receive input. The system can include second SCM transmit and receive antennas coupled via a third transmit output and a third receive input and operating at a second polarization.

Abstract: A coolant fluid manifold assembly for coupling to multiple cold plates includes a first manifold portion including a first positioning member. The manifold assembly includes a second manifold portion including a second positioning member. The second manifold portion is configured to couple to the first manifold portion. The second positioning member is configured to engage the first positioning member to correctly position the first and second manifold portions.

Abstract: Vehicle power architecture including a plurality of functional blocks for implementing functions, a power supply input for receiving a direct current power supply, and an electric control unit, ECU. The ECU includes a control block for controlling the plurality of functional blocks to perform functions, and a plurality of power control switches, each being switchable under the control of the control block between a closed state where at least one respective functional block is connected to the power supply input and an open state where the at least one respective functional block is disconnected from the power supply input. The power control switches may be part of a power control module.

Abstract: A male and female power terminal assembly including a male terminal having a male contact portion including an outer contact surface and an inner surface, and a female terminal having a female contact portion including a sleeve and a finger made of an electrically conductive material. The outer contact surface is electrically connected to an inner surface of the sleeve. Further, the male terminal includes a connecting member made of an electrically conductive material which is placed inside a cylindrical hollow portion of the male terminal, and which interconnects the finger with the inner surface.

Abstract: A computer implemented method for determining a countermeasure to resonances in a vehicle comprises the following steps carried out by computer hardware components: determining information related to a status of a vehicle; determining whether resonances occur in the vehicle based on the information; if it is determined that resonances occur in the vehicle, determining a countermeasure to the resonances.

Abstract: A camera includes an objective carrier assembly including a carrier where a camera sensor and a camera objective are mounted. The camera includes a camera housing configured to at least partially enclose the objective carrier assembly. The camera housing includes a first housing part where the objective carrier assembly is mounted. The camera housing includes a second housing part that is mounted on the first housing part.

Abstract: An electrical bus bar assembly includes an elongate flexible electrical conductor formed from a strip of electrically conductive material having a distal portion that defines two parallel tabs extending from the conductor, and an electrical terminal having two different parallel sides received between the tabs. The tabs flex to resiliently retain the terminal, providing a low-resistance electrical interface and accommodating terminals of varying thicknesses. This arrangement enables simplified assembly and reliable electrical connections in compact power distribution systems.

Abstract: Methods and systems for generating a radar reference map are provided. Unaligned radar detections are received and object attributes for high-definition (HD) map objects of a HD map are determined. Vehicle poses for a vehicle are determined based on the unaligned radar detections and the object attributes. The unaligned radar detections are aligned based on the vehicle poses and the radar reference map is generated based on the aligned radar detections.

Abstract: An electrical connector assembly includes a generally planar metallic substrate having a surface with an electrically nonconductive coating and an electrical connector having a contact tab extending therefrom that is in mechanical and electrical contact with the metallic substrate. The contact tab defines two sharp points that are formed by two triangular portions of the contact tab that pierce the electrically nonconductive coating. An electrical shield incorporating the contact tab and a method of forming the electrical shield are also provided herein.

Abstract: The present disclosure relates to lens alignment methods, lens alignment software, lens alignment apparatuses, and vehicle cameras. In an aspect, a lens alignment method includes performing a scan at a plurality of regions of interest of the lens to determine optical characteristics for each region of interest as the position of the lens relative to the imager is adjusted. Focus windows for each region of interest are determined based on the optical characteristics and the position of the lens relative to the imager is adjusted based on predetermined positions of the focus windows relative to one another.

Abstract: A radar system for a vehicle includes: at least one main transmit antenna configured to transmit main radar waves essentially parallel to a road on which the vehicle is standing or driving; at least one main receive antenna configured to receive reflections of the main radar waves off objects on the road; a first street condition monitoring, SCM, transmit antenna configured to transmit first polarized radar waves essentially directed to the road at a first polarization; a second SCM transmit antenna configured to transmit second polarized radar waves essentially directed to the road at a second polarization different from the first polarization; a first SCM receive antenna configured to receive, at the first polarization, reflections of the polarized radar waves off the road; and a second SCM receive antenna configured to receive, at the second polarization, reflections of the polarized radar waves off the road.

Abstract: A waveguide with a curved-wall low-pass filter is described herein. The waveguide comprises a low-pass filter portion configured to allow low-frequency electromagnetic energy therethrough and reject high-frequency electromagnetic energy. The low-pass filter portion comprises an input port, an output port, and a cavity feature that is formed between the input port and the output port. The cavity feature has a greater depth than respective depths of the input port and the output port. The cavity feature comprises a bottom wall that achieves the greater depth for the cavity feature. The bottom wall comprises at least one curved portion configured to allow the cavity feature to achieve the allowance of the low-frequency electromagnetic energy and the rejection of the high-frequency electromagnetic energy. The cavity feature may allow the waveguide to have as good or better performance than traditional means while being easier to manufacture and/or taking up less space.

Abstract: An antenna system includes a board with an antenna configured to radiate power and a housing. The housing surrounds the board and is configured to protect the board from an environment. The housing includes an opening with at least one metallic wall extending towards the board. The at least one metallic wall is configured to redirect the power radiated by the antenna into a predetermined system radiation direction and in a predetermined radiation pattern.

Abstract: A method of simulating a vehicle cabin for audio tuning and/or testing. The method includes obtaining and storing a 3D impulse response corresponding to each speaker within the cabin of a vehicle to be simulated. The method includes at a location remote from the vehicle, in real-time, applying convolution processing on each channel of a multichannel audio stream based on the corresponding 3D impulse response. The method includes outputting a surround sound format audio stream.

Abstract: Systems and methods are provided and include a radar system that transmits radar signals within frames having radar chirps. The radar chirps have a stepped frequency waveform such that the initial and end frequencies are changed for subsequent chirps and have a constant pulse repetition period between chirps. The radar system performs range fast Fourier transform (FFT) processing and Doppler FFT processing on receive values corresponding to reflected signals from an object. The radar system estimates range and range-rate information about the object based on range FFT values and Doppler FFT values using a signal model and determines information about the object based on the estimated range and range-rate information. The signal model includes (1) a fast-time dimension term corresponding to samples within a radar chirp and (2) a slow-time dimension term corresponding to individual radar chirps within the frame, with the slow-time dimension term including a second degree term.

Abstract: A method for securely transmitting data between first and second processing units, each storing a shared secure key and respective first and second identifiers, includes transmitting an authentication challenge from the first processing unit to the second processing unit. The authentication challenge includes a first random number. The method includes generating a session key and an authentication key at each of the corresponding first and second processing units, based on the transmitted authentication challenge and the stored shared secure key. The method includes transmitting an authentication response including an authentication code generated from the authentication challenge based on the authentication key. The method includes verifying each processing unit by comparing a received authentication code with a locally generated authentication code. The method includes, in response to being verified, transmitting data between the first and second processing units using the corresponding session keys.

Abstract: A connector assembly comprises an elongated inner signal contact and an insulating element, wherein the insulating element includes a first cavity configured to accommodate the inner signal contact, a latching element configured to secure the inner signal contact in the first cavity, and a second cavity extending in an axial direction and configured to receive a tool for separating the latching element from the inner signal contact.

Abstract: A computer-implemented method includes receiving environment description data associated with a simulated environment including an object and identifying an object type of the object. The method includes, in response to the object type being a human, identifying a motion type associated with the object, loading a CAD model associated with the object, loading a motion file associated with the motion type, and mapping the CAD model to the motion file. The method includes performing ray tracing simulation, performing physical optics simulation, calculating at least one of a Doppler shift and a micro-Doppler shift for each ray of a set of rays, performing ray clustering, and transforming a simulation output for display on a user device. The simulation output includes a motion simulation associated with the motion type of the object. The motion simulation includes a main motion of the object and a set of micro-motions of the object.