公开(公告)号：US12183898B2

公开(公告)日：2024-12-31

申请号：US17555776

申请日：2021-12-20

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Gregory G. Tuayev-Deane ,  Xinyu Du ,  Chaitanya Sankavaram

IPC: H01M10/48 ,  B60K1/04 ,  B60L58/12

Abstract: A battery electric system includes a battery, sensor suite, and controller. The sensor suite includes a current sensor, voltage sensor, and temperature sensor. The controller is operable for determining an estimated open circuit voltage of the battery at different time points using a current signal and a voltage signal from the current and voltage sensors, and an equivalent circuit model (ECM). The controller determines an ECM-based state of charge (SOC) of the battery at the different time points, via a calibrated SOC map, using the open circuit voltage and temperature, and calculates a sensor gain value using the ECM-based SOC and a coulomb counting-based SOC, both at the different time points. A control action is executed with respect to the battery when the sensor gain value exceeds a predetermined gain fault threshold, including generating a fault notification signal indicative of a fault of the current sensor.

公开(公告)号：US20240401970A1

公开(公告)日：2024-12-05

申请号：US18327572

申请日：2023-06-01

Applicant: GM Global Technology Operations LLC

Inventor： Shengbing Jiang ,  Zifeng Peng ,  Xinyu Du ,  Yilu Zhang

IPC: G01C21/00 ,  B60W40/072 ,  B60W60/00 ,  G01C21/32

Abstract: A vehicle includes a system and method of operating the vehicle. The system includes a camera, a map database and a processor. The camera obtains camera data of a location of a road being traversed by the vehicle. The map database provides map data of the location of the road. The processor determines a first curvature of the road at the location from the camera data, determines a second curvature of the road at the location from the map data, identifies a mismatch between the first curvature and the second curvature at the location of the road, generates a case report for one of the map data and the camera data at the location upon occurrence of the mismatch, and adjusts one of the map data and a confidence level in the camera data for the location based on the case report.

公开(公告)号：US12130390B2

公开(公告)日：2024-10-29

申请号：US17569948

申请日：2022-01-06

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xinyu Du ,  Yao Hu ,  Wende Zhang ,  Hao Yu

IPC: G01S7/497 ,  B60W60/00 ,  G01S17/86 ,  G01S17/89 ,  G01S17/931

CPC classification number: G01S7/4972 ,  B60W60/00 ,  G01S17/86 ,  G01S17/89 ,  G01S17/931 ,  B60W2420/408

Abstract: A LIDAR-to-vehicle alignment system includes a memory and alignment and autonomous driving modules. The memory stores points of data provided based on an output of one or more LIDAR sensors and localization data. The alignment module performs an alignment process including: based on the localization data; determining whether a host vehicle is turning; in response to the host vehicle turning; selecting a portion of the points of data; aggregating the selected portion to provide aggregated data; selecting targets based on the aggregated data; and based on the selected targets, iteratively reducing a loss value of a loss function to provide a resultant LIDAR-to-vehicle transformation matrix. The autonomous driving module: based on the resultant LIDAR-to-vehicle transformation matrix, converts at least the selected portion to at least one of vehicle coordinates or world coordinates to provide resultant data; and performs one or more autonomous driving operations based on the resultant data.

公开(公告)号：US12094169B2

公开(公告)日：2024-09-17

申请号：US17651407

申请日：2022-02-16

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Binbin Li ,  Xinyu Du ,  Yao Hu ,  Hao Yu ,  Wende Zhang

IPC: G06K9/00 ,  G06T7/73 ,  G06T7/80 ,  G06V10/22 ,  G06V10/40

CPC classification number: G06T7/80 ,  G06T7/73 ,  G06V10/22 ,  G06V10/40 ,  G06T2207/30244 ,  G06T2207/30252

Abstract: Systems and methods for a vehicle are provided. In one embodiment, a method includes: receiving image data defining a plurality of images associated with an environment of the vehicle; determining, by a processor, feature points within at least one image of the plurality of images; selecting, by the processor, a subset of the feature points as ground points based on a fixed two dimensional image road mask and a three dimensional region; determining, by the processor, a ground plane based on the subset of feature points; determining, by the processor, a ground normal vector from the ground plane; determining, by the processor, a camera to ground alignment value based on the ground normal vector; and generating, by the processor, second image data based on the camera to ground alignment value.

公开(公告)号：US12086996B2

公开(公告)日：2024-09-10

申请号：US17567365

申请日：2022-01-03

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xinyu Du ,  Yao Hu ,  Binbin Li ,  Hao Yu ,  Wende Zhang

IPC: G06T7/00 ,  B60W10/04 ,  B60W10/18 ,  B60W10/20 ,  G01S17/89 ,  G01S17/931 ,  G06T7/246 ,  G06T7/33 ,  G06T7/55 ,  G06T7/80 ,  G06V20/56 ,  H04N5/262 ,  H04N23/90

CPC classification number: G06T7/33 ,  B60W10/04 ,  B60W10/18 ,  B60W10/20 ,  G01S17/89 ,  G01S17/931 ,  G06T7/246 ,  G06T7/55 ,  G06T7/80 ,  G06V20/56 ,  H04N5/2625 ,  H04N23/90 ,  B60W2420/403 ,  B60W2420/408 ,  B60W2552/35 ,  G06T2207/10028 ,  G06T2207/20212 ,  G06T2207/30252

Abstract: A vehicle control system including a spatial monitoring system includes on-vehicle cameras that capture images, from which are recovered a plurality of three-dimensional points. A left ground plane normal vector is determined for a left image, a center ground plane normal vector is determined for a front image, and a right ground plane normal vector is determined for a right image. A first angle difference between the left ground plane normal vector and the center ground plane normal vector is determined, and a second angle difference between the right ground plane normal vector and the center ground plane normal vector is determined. An uneven ground surface is determined based upon one of the first angle difference or the second angle difference, and an alignment compensation factor for the left camera or the right camera is determined. A bird's eye view image is determined based upon the alignment compensation factor.

公开(公告)号：US20240246451A1

公开(公告)日：2024-07-25

申请号：US18157113

申请日：2023-01-20

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Chandra S. Namuduri ,  Suresh Gopalakrishnan ,  Infane Lowe ,  Xinyu Du ,  Lyall Kenneth Winger

IPC: B60L58/20 ,  H02M3/158

CPC classification number: B60L58/20 ,  H02M3/1582 ,  B60L2210/12 ,  B60L2210/14

Abstract: A smart energy center for a vehicle is provided. The smart energy center includes a buck convertor configured to provide power to a first load that has a substantially constant resistance level and a boost converter configured to provide power to a second load that requires a minimum voltage level and substantially constant power level. The smart energy center also includes a buck-boost converter configured to provide power to a third load that requires a voltage level within a threshold range and an electronic fuse configured to provide power to a fourth load. The smart energy center further includes a controller configured to operate the buck convertor, the boost converter, the buck-boost converter, and the electronic fuse.

公开(公告)号：US20240095954A1

公开(公告)日：2024-03-21

申请号：US17947550

申请日：2022-09-19

Applicant: GM Global Technology Operations LLC

Inventor： Yao Hu ,  Hao Yu ,  Guanlun He ,  Xinyu Du ,  Binbin Li

IPC: G06T7/80 ,  G06T5/00 ,  G06T15/10

CPC classification number: G06T7/80 ,  G06T5/006 ,  G06T15/10 ,  G06T2207/30268

Abstract: A vehicle includes a system performing a method of operating a camera for the vehicle. The camera is configured to capture an image. The processor is configured to query the camera to obtain an intrinsic parameter of the camera, estimate a unified parameter based on the intrinsic parameter of the camera, and perform at least one application on the image using the unified parameter.

公开(公告)号：US11851073B2

公开(公告)日：2023-12-26

申请号：US17557156

申请日：2021-12-21

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Wen-Chiao Lin ,  Zhongyu Yang ,  Yao Hu ,  Xinyu Du ,  Yilu Zhang

IPC: B60W50/00 ,  B60W50/02 ,  B60W30/12 ,  B60W50/029

CPC classification number: B60W50/02 ,  B60W30/12 ,  B60W50/0225 ,  B60W2050/0072 ,  B60W2050/021 ,  B60W2050/0215 ,  B60W2050/0297 ,  B60W2552/53 ,  B60W2555/20

Abstract: A system for a vehicle includes a plurality of sensors onboard the vehicle and a controller. A first sensor of the plurality of sensors is configured to detect lane markings on a roadway. The controller is configured to store data from the plurality of sensors. In response to receiving an indication indicating a misdetection of lane markings on the roadway based on data received from the first sensor, the controller is configured to execute in parallel a plurality of procedures configured to detect a plurality of causes for the misdetection of lane markings, respectively, based on the stored data; isolate one of the causes as a root cause for the misdetection of lane markings; and provide a response for mitigating the misdetection of lane markings on the roadway based on the root cause for the misdetection of lane markings.

公开(公告)号：US11639107B2

公开(公告)日：2023-05-02

申请号：US16823950

申请日：2020-03-19

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Joseph F. Szczerba ,  Xinyu Du ,  Paul E. Krajewski

IPC: B60K37/02 ,  G06F1/16 ,  G09F9/30

Abstract: A display assembly for a vehicle includes an electronic display and an adjustment mechanism. The electronic display is configured to be mounted to an instrument panel of the vehicle. The electronic display includes multiple screens and at least one hinge disposed between the screens. The electronic display is configured to be folded at the at least one hinge by pivoting at least one of the screens about the at least one hinge to adjust a viewing angle of an occupant in the vehicle relative to the at least one screen. The adjustment mechanism is configured to maintain the at least one screen in any one of a plurality of positions when the electronic display is folded at the at least one hinge by pivoting the at least one screen about the at least one hinge to adjust the at least one screen to the one position.

公开(公告)号：US20200149993A1

公开(公告)日：2020-05-14

申请号：US16189084

申请日：2018-11-13

Applicant: GM Global Technology Operations LLC

Inventor： Jianshe Feng ,  Xinyu Du ,  Mutasim Salman ,  Kevin A. Cansiani

IPC: G01M13/045

Abstract: A machine bearing disposed on a rotatable member, such as may be present on a vehicle, is described. A method for monitoring a state of health of the machine bearing includes monitoring, via a microphone, an acoustic signal, and coincidently determining a rotational speed of the rotatable member associated with the machine bearing. The sound spectrum is correlated to the rotational speed of the rotating member, and a time-frequency analysis is executed to determine a sound spectrum. The sound spectrum is transformed to a residual spectrum. A first feature associated with a first frequency band and a second feature associated with a second frequency band are extracted from the residual spectrum. The state of health associated with the machine bearing is detected based upon the first and second features, and is communicated to a second controller.