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公开(公告)号：US11705025B2
公开(公告)日：2023-07-18
申请号：US17082210
申请日：2020-10-28
CPC分类号： G09F21/048 , G06V20/58 , G06V20/62 , G09F2007/1865
摘要： Systems and methods for exterior signage evaluation are disclosed herein. An example method includes receiving images of an exterior signage area of an exterior surface of a first vehicle, the images being obtained by the first vehicle, a second vehicle camera or an infrastructure camera, determining current environmental conditions around the first vehicle, processing the images of the exterior signage area using the current environmental conditions, wherein processing includes comparing an expected appearance of the exterior signage area with an actual appearance of the exterior signage area to determine a visual appearance quality of the exterior signage area, and presenting a message on a display that includes the visual appearance quality.
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公开(公告)号：US11668804B2
公开(公告)日：2023-06-06
申请号：US16268621
申请日：2019-02-06
IPC分类号： G01S7/497 , G01S17/931
CPC分类号： G01S7/497 , G01S17/931 , G01S2007/4977
摘要： A system includes a sensor including a window; at least three lamps positioned to illuminate the window and be able to generate different ranges of wavelengths than one another; a cleaning component positioned to clean the window; and a computer communicatively coupled to the sensor, the lamps, and the cleaning component. The computer is programmed to activate the lamps and actuate the cleaning component based on data generated by the sensor during the activations of the lamps.
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公开(公告)号：US11592559B2
公开(公告)日：2023-02-28
申请号：US16798702
申请日：2020-02-24
IPC分类号： G01S17/26 , G01S17/931 , G01S7/48 , G01S7/497 , G06N3/04
摘要： A computer, including a processor and a memory, the memory including instructions to be executed by the processor to obtain velocity lidar point cloud data acquired with a frequency modulated continuous wave (FMCW) lidar sensor, wherein the velocity lidar point cloud data includes a speed with which a data point is moving with respect to the FMCW lidar sensor, filter the velocity lidar point cloud data to select static velocity data points, wherein the static velocity data points are velocity data points each correspond to a point on a roadway around a vehicle. The instructions can include further instructions to determine FMCW lidar sensor accelerations in six degrees of freedom based on the static velocity lidar data points and determine FMCW lidar sensor rotations and translations in six degrees of freedom based on the FMCW lidar sensor accelerations in six degrees of freedom. The instructions can include further instructions to determine vehicle rotations and translations in six degrees of freedom based on inertial measurement unit (IMU) data, determine FMCW lidar sensor mis-alignment based on comparing the FMCW lidar sensor rotations and translations with the vehicle rotations and translations and align the FMCW lidar sensor based on the FMCW lidar sensor mis-alignment. The instructions can include further instructions to operate a vehicle based on the aligned FMCW lidar sensor.
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公开(公告)号：US11555728B2
公开(公告)日：2023-01-17
申请号：US16679966
申请日：2019-11-11
摘要： A system includes a computer having a processor and a memory storing instructions executable by the processor to determine a first temperature of a fluid stored by a fluid storage device and then actuate a fluid heating device to add heat energy to the fluid. The instructions include instructions to determine an amount of the heat energy added to the fluid. The instructions include instructions to determine a second temperature of the fluid stored by the fluid storage device after adding the heat energy to the fluid. The instructions include instructions to determine a quantity of the fluid stored by the fluid storage device based on the amount of the heat energy added to the fluid by the fluid heating device and a difference between the first temperature and the second temperature.
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公开(公告)号：US20220307619A1
公开(公告)日：2022-09-29
申请号：US17209375
申请日：2021-03-23
发明人： Segundo Baldovino , Venkatesh Krishnan , Ashwin Arunmozhi , Charles Prain , Michael Whitney , William S. Smith , Theophile Jullien , Denis Thebault , Jean Baptiste Lahilaire
摘要： An assembly includes an inlet tube and an outlet tube. The assembly includes a solenoid assembly having a plunger movable between an open position in which fluid is permitted to flow from the inlet tube to the outlet tube and a closed position in which fluid is inhibited from flowing from the inlet tube to the outlet tube, the solenoid assembly having an induction coil surrounding the plunger. The assembly includes a Hall effect sensor that detects a magnetic field of the solenoid assembly. The assembly includes a computer in communication with the Hall effect sensor, the computer having a processor and memory that stores instructions executable by the processor to identify a resistance of the induction coil based on data from the Hall effect sensor, and to determine whether the plunger is at the closed position based on the identified resistance of the induction coil.
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公开(公告)号：US11453018B2
公开(公告)日：2022-09-27
申请号：US16442682
申请日：2019-06-17
摘要： A sensor assembly includes a first sensor window defining a first plane, a second sensor window fixed relative to the first sensor window and defining a second plane different than the first plane, and a nozzle positioned to deliver fluid to the first and second sensor windows. The nozzle is translatable along a first axis, rotatable about the first axis, and rotatable about a second axis transverse to the first axis.
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公开(公告)号：US20220121210A1
公开(公告)日：2022-04-21
申请号：US17071689
申请日：2020-10-15
IPC分类号： G05D1/02 , G06N3/08 , G06F16/245 , G07C5/08
摘要： The present disclosure relates to a system and a method for addressing an error in a localization system that includes monitoring a plurality of sensors of a driver assistance system in real-time, with each sensor generating a data stream. The method further includes identifying a sensor having an anomalous data stream and calculating a primary localization and a backup localization. The primary localization calculation includes the anomalous data stream and the backup localization calculation does not include the anomalous data stream. Further, the method includes executing an action when the backup localization error estimate exceeds a threshold.
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公开(公告)号：US20220060641A1
公开(公告)日：2022-02-24
申请号：US16995943
申请日：2020-08-18
摘要： A computer includes a processor and a memory storing instructions executable by the processor to input strain data measuring mechanical strain on a vehicle camera and operation data of a vehicle component, the operation data describing at least one of an output or a state of the vehicle component, to a machine learning program that outputs a displacement of the vehicle camera from a neutral position based on the strain data and the operation data. The instructions further include instructions to identify a transformation matrix that transforms data from the vehicle camera to a coordinate system of the vehicle camera in the neutral position based on the output displacement of the vehicle camera, to apply the transformation matrix to data collected by the vehicle camera to generate transformed data, and to actuate one of the vehicle component or a second vehicle component based on the transformed data.
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公开(公告)号：US20200249329A1
公开(公告)日：2020-08-06
申请号：US16268621
申请日：2019-02-06
摘要： A system includes a sensor including a window; at least three lamps positioned to illuminate the window and able to generate different ranges of wavelengths than one another; a cleaning component positioned to clean the window; and a computer communicatively coupled to the sensor, the lamps, and the cleaning component. The computer is programmed to activate the lamps and actuate the cleaning component based on data generated by the sensor during the activations of the lamps.
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公开(公告)号：US20200215972A1
公开(公告)日：2020-07-09
申请号：US16239780
申请日：2019-01-04
摘要： A system includes a camera having a field of view, a cleaning apparatus positioned to clean the camera, and a computer communicatively coupled to the camera and the cleaning apparatus. The computer is programmed to detect an obstruction on the camera based on sensing a trajectory of an external light source relative to the field of view in data from the camera, and upon detecting the obstruction, activate the cleaning apparatus.
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