Veoneer Sweden Patente

A radar transceiver (101) arranged to transmit a first waveform in a first frequency band, and a second waveform in a second frequency band different from the first frequency band, wherein the second waveform is configured to be scaled in the time domain compared to the first waveform by an amount corresponding to a difference in wavelength between the first and the second frequency bands, thereby compensating for a difference in phase evolution of a target reflection (125) over time for the first waveform compared to the second waveform.

The present disclosure relates to a radar system (210) for a vehicle (200), comprising a plurality of radar transceivers (202, 203, 204, 205) and a control unit (208). Each radar transceiver (202, 203, 204, 205) is associated with a main pointing direction (PI, P2, P3, P4) and a certain frequency sub-band (A, B, C, D), where the subbands (A, B, C, D) together form a certain dedicated frequency band. The control unit (208) is adapted to:- define heading intervals which divide a full turn interval 0° - 360° into sections,- assign a corresponding sub-band (A, B, C, D) to each heading interval,- determine a present vehicle heading (F), and to- assign a corresponding sub-band (A, B, C, D) to each one of the radar transceivers (202, 203, 204, 205) in dependence of the heading interval that comprises the present vehicle heading (F).

The present disclosure relates to a vehicle radar system (3) comprising a control unit (4) and at least one transceiver arrangement (5), for transmitting radar signals (6) and receiving reflected signals (7), The vehicle radar system (3) is adapted to identify at least one ground stationary target object (8), and to follow the ground stationary target object (8) for a plurality of times (t<1>-t<5>). For at least two different values of a parameter (v<host>, ω, θ<GND>) related to, or affected by, vehicle dynamics or vehicle statics for a host vehicle (1), the control unit (4) is adapted to calculate a coherently integrated complex signal representing the detected ground stationary target object (8<t1>, 8<t2>, 8<t3>, 8<t4>, 8<t5>) for the plurality of times (t<1>-t<5>) using said parameter (v<host>, ω, θ<GND>) such that a resulting signal magnitude (A<1>, A<2>, A<3>, A<4>, A<5>) is obtained. The control unit (4) is further adapted to compare the resulting signal magnitudes (A<1>, A<2>, A<3>, A<4>, A<5>), and to choose the parameter value (v<host3>) that is associated with the highest signal magnitude (A<4>, A<t5>) as the most correct parameter value.

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A driver assistance system for a motor vehicle comprises a stereo imaging apparatus (11) with a plurality of cameras (12) adapted to capture images from a surrounding of the motor vehicle, and a processing device (14) adapted to perform image processing of captured images in order to detect objects in images captured by said imaging apparatus (11). The image processing comprises a stereo algorithm (51) adapted to calculate a 3D point cloud (52) of images captured by said imaging apparatus (11), an object detector (53) adapted to detect objects in images captured by said imaging apparatus (11), and a road profile detector (54) adapted to detect the profile (61) of the road ahead of the motor vehicle and to calculate a road-object profile (68) from a combination of the detected road profile (61) and objects detected by said object detector (53). The image processing further comprises a verification algorithm (55) having a higher functional safety level than said object detector (53), wherein said verification algorithm (55) is adapted to compare the road-object profile (68) with a corresponding part (52) of the 3D point cloud (52), and to determine a malfunction based on said comparison of the road profile (68) with a corresponding part (52) of the 3D point cloud (52).

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The present disclosure relates to a vehicle camera circuit board (110) comprising a first main side (111) and a second main side (112). The first main side (111) comprises an imaging sensor (113) and a contact area (114) that is adapted to face a contact part (115) of a lens assembly (101), and the second main side (112) comprises an attachment area (116a, 116b, 116c) adapted to receive a first connector part (117). The attachment area (116a, 116b, 116c) is partly overlapping the contact area (114) when seen against a main side (111, 112).

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A method in a vehicle signal processing system, for triggering transmission of an information signal to a target vehicle, the method comprising; obtaining target vehicle data comprising a location of the target vehicle; obtaining occluding object data comprising a location of an occluding object; determining an occluded area based on the target vehicle data and on the occluded object data, wherein the occluded area represents an area that is hidden from the target vehicle due to the occluding object; and, if a potential hazard is detected in the occluded area, triggering transmission of the information signal to the target vehicle, wherein the information signal comprises information related to the potential hazard.

A radar transceiver (400) comprising a transmit branch (450, 455, TX) arranged to transmit a radar signal at a frequency F(t), and a receive branch (RX, 405, 410, 420, 430, 460) arranged to receive a radar signal, wherein the receive branch comprises an interference monitoring circuit (430) configured to monitor frequencies adjacent to the frequency F(t) for interference, and to generate a control signal (440) if interference is detected at the adjacent frequencies, wherein the transmit branch is arranged to be paused in response to the control signal (440).

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A method in a vehicle for verifying an estimated position of the vehicle, the method comprising establishing a wireless link to a radio base station, RBS, 150, obtaining data from a downlink transmission on the wireless link (145) from the RBS (150) to the vehicle (100) for estimating the vehicle position, estimating the vehicle position based on the data, transmitting a request for position verification to the RBS (150), receiving a response from the RBS (150) to the transmitted request comprising a verification position estimate based at least partly on data obtained from an uplink transmission on the wireless link (145) to the RBS (150) from the vehicle (100), and verifying the estimated position of the vehicle (100) by comparing the estimated vehicle position to the verification position estimate.

The invention relates to a capacitor support (10) for mounting in a housing (7) for a printed circuit board (3), which is placed inside the housing (7). The housing comprises at least a housing base (8) and a housing cover (9). The capacitor support (10) has a base plate (12) which carries a plurality of flexible arms (14) which extend upwards from the base plate (12). The flexible arms (14) cooperate in a form and force fitting manner with a capacitor to be mounted onto an inner surface (91) of the housing cover (9).

An imaging system (10) for a motor vehicle, comprising a camera mounting part (11), at least one camera module (12) to be mounted to said camera mounting part (11) and a retainer ring (20). The camera module (12) is provided with at least one radially outwardly directed protrusions (13). The retainer ring (20) has multiple elastically deformable spring tongues (21), and the retainer ring (20) is attachable by pushing it over the at least one protrusions (13) under elastic deformation of the spring tongues (21) to an attachment position. Said spring tongues (21) clamp the camera module (12) radially in the attachment position, and the tips (22) of at least three spring tongues (21) axially adjoin a surface (14) of the at least one protrusion (13) in the attachment position. The retainer ring (20) has multiple spring elements (23) applying an axially spring force from said camera mounting part (11) to the tips (22) of the at least three spring tongues (21) in the attachment position.

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The present disclosure relates to a vehicle environment detection system (3) comprising a control unit arrangement (8) and at least one sensor arrangement (4) that is arranged to be mounted in an ego vehicle (1) and to provide sensor detections (9, 12) for at least two preceding target vehicles (10, 11). The control unit arrangement (8) is arranged to determine a resulting TTC, time to collision, between the ego vehicle (1) and a closest preceding target vehicle (10), based on an ego velocity (v₀) and an ego acceleration (a₀) for the ego vehicle (1), a first distance (r₁) between the ego vehicle (1) and the closest preceding target vehicle (10), and that target velocity (v₁, v₂) and corresponding target acceleration (a₁, a₂) for a preceding target vehicle (10, 11) among said target vehicles (10, 11) that provide a lowest TTC value.

In order to avoid a collision between a vehicle (1) and other traffic, an on-board system (100) of the vehicle (1) scans for target entities (2) in at least one lane (5, 6) to a side of the vehicle (1) and determines position and state of motion of detected target entities (2). From a state of the vehicle (1) an intention of a driver of the vehicle (1) to move the vehicle (1) into one of the at least one lanes (5, 6) scanned is inferred. If the on-board system (100) detects a risk of collision between a target entity (2) and the vehicle (1), then, if such an intention of the driver is found, the motion of the vehicle (1) is impeded by the system (100), applying brakes (200) of the vehicle (1) and/or reducing a driving torque of the vehicle (1).

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A housing (10) for enclosing at least one electronic component of a motor vehicle comprises at least a first metal housing part (20) with a first circumferential connection surface (21) and a second metal housing part (30) with a second circumferential connection surface (31). The metal housing parts (20, 30) are designed to be connected to each other along a connection direction such that said circumferential connection surfaces (21, 31) lie face to face to each other in the connected state. At least one of the housing parts (20) comprises a plurality of cutting elements (22) protruding from the corresponding circumferential connection surface (21). At least a part of the cutting elements (22) have an oversize with respect to the other circumferential connection surface (31), such that the cutting elements (22) cut into the other circumferential connection surface (31) during connection of the housing parts (20, 30). The cutting elements (22) are distributed over the circumference of said circumferential connection surfaces (21, 31).

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The method relates to a method for annotating data points (151, 161) in a data set, where the method comprises:obtaining (S1) a set of data points associated with an environment sampled by a vehicle sensor (110); anddetermining (S2) a static model (200, 300) of the environment based on the set of data points, wherein the static model of the environment comprises a collection of local statistical models. The method further comprises:obtaining (S3) a new data point associated with the environment;associating (S4) the new data point to a corresponding local statistical model comprised in the static model of the environment; andannotating (S5) the new data point as a stable data point in case the new data point agrees with the corresponding local statistical model.

Attachment arrangement for a camera module (2) at a vehicle comprising-a base plate (1) which is attachable at a vehicle fixed structure, wherein-the camera module (2) comprises a housing (20) and at least one camera (3) arranged therein, wherein-the housing (20) is attached at the base plate (1) with at least two spring loaded protrusions (14, 15) each abutting at separated attachment flanges (4,5)characterized in that,-the base plate (1) or the housing (20) is provided with three alignment pins (6), which are distanced to the attachment flanges (4,5) and the protrusions (14, 15), and-the housing (20) or the base plate (1) is provided with three alignment surface structures (7), which are distanced to the protrusions (14, 15) and the attachment flanges (4,5), and- the housing (20) abuts with three pairs of one alignment surface structure (7) and one alignment pin (6) at the base plate (1) when the camera module (2) is mounted via the housing (20) at the base plate (1).

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The invention relates to a camera assembly (10) and a method for assembling a camera assembly (10). The camera assembly (10) has a camera housing (11) and a printed circuit board (13) attached to the camera housing (11). An optical sensor (14) is part of the printed circuit board (13). A lens barrel (12) is axially surrounded by the camera housing (11) and mounted in the camera housing (11) such that a defined airgap (20) between the lens barrel (12) and the optical sensor (14) is set. A rotation-blocking pin (25), inserted in the at least one bore (23) of the camera housing (11), is in force-fitting contact with a side portion (22) of the lens barrel (12).

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The present disclosure relates to a method for detecting blockage of a radar sensor (105) by processing a radar signal (115, 116, 117) received by the radar sensor (105). The method comprises obtaining (S1) the radar signal (115, 116, 117), determining (S2) a range-Doppler representation (300) of the radar signal such that received radar signal energy (311) is represented as a function of distance (d0-d13) and relative velocity (v0-v7), determining (S4) predetermined azimuth angles (θ₁, θ₂, θ₃) for the radar sensor (105) and calculating (S31) a relative velocity (v0, v3, v5) for each predetermined azimuth angle (θ₁, θ₂, θ₃). The method further comprises obtaining (S5) a first distribution (301) and at least one other distribution (302, 303) of received energy (311) over distance in the range-Doppler representation (300) for a first azimuth angle (θ₁) and at least one other azimuth angle (θ₂, θ₃), generating (S7) a measure of similarity for the distributions, and detecting (S8) blockage of the radar sensor (105) if the measure of similarity satisfies a similarity criterion.

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There is provided mechanisms for detection of a target vehicle without V2V capability. A method is performed by an electronic control unit. The method comprises obtaining sensor data from at least one on-board sensor of an ego vehicle. The sensor data indicates presence of the target vehicle within sensing range of the at least one on-board sensor. The method comprises determining that the target vehicle is without V2V capability by comparing the sensor data to output data from a V2V system of the ego vehicle. The method comprises determining, based on the sensor data and on current positioning data of the ego vehicle, fusion data representing at least one of current position, current direction and current speed of the target vehicle. The method comprises wirelessly transmitting the fusion data of the target vehicle.

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