Patents by Inventor Liangliang Zhang

Liangliang Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11670996
    Abstract: A rotor core is provided for a step-skewing motor that includes rotor core segments mutually staggered by a preset angle. Each of the rotor core segments includes magnet slots along a circumferential direction, with a magnet provided in the magnet slot. An outer circular surface of each of the rotor core segments is provided thereon with a number of auxiliary grooves extending across the segment in an axial direction, and positions and/or cross-sectional shapes of the auxiliary grooves on the rotor core segments are not completely same so as to suppress torque ripple and vibration noise when the motor rotates.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: June 6, 2023
    Assignee: Jing-Jin Electric Technologies Co., Ltd
    Inventors: Kaihe Zhang, Liangliang Zhang, Longyu Ju
  • Publication number: 20230103093
    Abstract: Alight emitting diode (LED) filament lamp with a variable color temperature includes a lamp cap, a mounting piece connected to the lamp cap, a casing connected to the mounting piece, a stem arranged in the casing, an LED filament arranged on the stem, a dual in-line package (DIP) switch connected to the stem, and a driving power supply connected to the DIP switch. The LED filament includes a substrate, a first pin arranged at one end of the substrate, a second pin arranged at the other end of the substrate. The LED filament is of an integral structure. Through the arrangement of the DIP switch or a control switch, the first pin and the second pin can switch a positive pole or a negative pole of an output terminal of the driving power supply, thereby realizing switching of different color temperatures.
    Type: Application
    Filed: November 25, 2020
    Publication date: March 30, 2023
    Inventors: Fuguo Huang, Bin Wei, Yiguang Zhu, Danchun Chen, Liangliang Zhang
  • Publication number: 20230077347
    Abstract: The present disclosure provides a vehicle behavior prediction method and apparatus, an electronic device, and a computer-readable storage medium, which relates to the field of intelligent driving. The method includes: determining a target traffic light corresponding to t a target vehicle a current intersection; determining a neighboring traffic light corresponding to the target traffic light and the indication status of the neighboring traffic light according to the target traffic light, the indication status of the target traffic light and a traffic light status mapping relationship table; acquiring a position of an obstacle vehicle and predicting each possible travel path of the obstacle vehicle, and determining a traffic light corresponding to each possible travel path; and determining a final possible travel path of the obstacle vehicle according to each possible travel path and the indication status of the traffic light corresponding to each possible travel path.
    Type: Application
    Filed: December 31, 2020
    Publication date: March 16, 2023
    Applicant: BEIJING JINGDONG QIANSHI TECHNOLOGY CO., LTD.
    Inventors: Jiangjiang LIU, Liangliang ZHANG
  • Publication number: 20230050332
    Abstract: A stator structure and a flat wire motor are provided. The stator structure comprises a stator core, stator windings and an avoidance layer. The stator core has an inner cylinder cavity, and a plurality of iron core slots arranged at intervals in a circumferential direction on an end face of the stator core. The iron core slot is communicated with the inner cylinder cavity via a slot opening. The stator windings have a plurality of layers of flat wire conductor wound in the iron core slots. The avoidance layer is located between the slot opening and a first layer of flat wire conductor in a radial direction of the stator core.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 16, 2023
    Inventors: Xin Xu, Liangliang Zhang, Lei Han, Chunxia Cai
  • Publication number: 20230034447
    Abstract: A communication device receives first indication information from a first network device. The first indication information indicates whether to enable a group receiving function. The first indication information is carried in SI, or the first indication information is indicated by a value of a short message indicator bit field in DCI. Then the communication device determines, based on the first indication information, whether to enable the group receiving function.
    Type: Application
    Filed: October 6, 2022
    Publication date: February 2, 2023
    Inventors: Xi Xie, Junren Chang, Xiangdong Zhang, Liangliang Zhang
  • Publication number: 20220394802
    Abstract: A re-establishment method includes: If a link failure occurs in a handover procedure of a terminal device, the terminal device releases configuration information used in a source cell. The terminal device further determines a re-establishment request message based on configuration information used in the target cell, and sends the re-establishment request message in a re-establishment cell. A method for selecting a re-establishment cell and releasing configuration information when a link failure occurs in a dual active protocol stack (DAPS) handover procedure of the terminal device reduces memory consumption of the terminal device.
    Type: Application
    Filed: August 18, 2022
    Publication date: December 8, 2022
    Inventors: Liangliang ZHANG, Junren CHANG, Zhenhua DAI
  • Patent number: 11520347
    Abstract: According to various embodiments, systems and methods described in the disclosure combine mapped features with point cloud features to improve object detection precision of an autonomous driving vehicle (ADV). The map features and the point cloud features can be extracted from a perception area of the ADV within a particular angle view at each driving cycle based on a position of the ADV. The map features and the point cloud features can be concatenated and provided to a neutral network for object detections.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: December 6, 2022
    Assignee: BAIDU USA LLC
    Inventors: Liangliang Zhang, Hongyi Sun, Li Zhuang, Jiangtao Hu, Dong Li, Jiaming Tao
  • Patent number: 11520335
    Abstract: An ADV may determine whether there is preexisting map data for an environment or geographical area/location where the ADV is located/travelling. If there is no preexisting data, the ADV may generate map data based on sensor data obtained from one or more sensors of the ADV. The ADV may determine a path for the ADV based on the generated map data. If there is preexisting map data, the ADV may determine a path for the ADV based on the preexisting map data.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: December 6, 2022
    Assignee: BAIDU USA LLC
    Inventors: Dong Li, Yifei Jiang, Liangliang Zhang, Jiaming Tao, Qi Luo, Jiangtao Hu
  • Patent number: 11483772
    Abstract: One example method includes receiving, by a first node, a first message from a second node, wherein the first message is used to page a third node, instruct the third node to access a network, instruct the first node to provide a relay serving for the third node, instruct to set the third node to a low configuration mode, instruct to set the third node to a high configuration mode, or instruct to update system information. The first node can send a second message to a third node, where the second message is used to instruct the third node to access a network, instruct the third node to perform communication with a second node by using the first node, instruct to set the third node to a low configuration mode, instruct to set the third node to a high configuration mode, or instruct the third node to update system information.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: October 25, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Liangliang Zhang, Xiangdong Zhang
  • Patent number: 11455033
    Abstract: A device and a method for performing automatic adjustment and optimization display for a visible area of a screen is provided. The method includes determining position information of a viewer and the screen according to a face recognition algorithm, and determining an optimal visible area for the viewer according to a human eye view range algorithm, and adjusting a visible area of the screen according to the optimal visible area to obtain a size and layout of the visible area most suitable for viewing by the viewer.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: September 27, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Liangliang Zhang, Fangqin Huang, Yan Liu, Junqing Ma, Xiao Ling
  • Patent number: 11427211
    Abstract: According to some embodiments, described herein is a system and method for handling sensor failures in autonomous driving vehicles (ADV) that is navigating in a world coordination as an absolute coordination system. When the ADV encounters a sensor failure, but still has at least one camera working properly, the sensor failure handling system can switch the ADV from navigating in the world coordination to a local coordination, in which the ADV relies camera-based obstacle detection and lane mark detection to drive safely until human dis-engagement or until the ADV is parked along a road side.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: August 30, 2022
    Assignee: BAIDU USA LLC
    Inventors: Jiangtao Hu, Yifei Jiang, Dong Li, Liangliang Zhang, Jiaming Tao, Qi Luo, Xiangquan Xiao
  • Publication number: 20220255385
    Abstract: The present disclosure discloses a stator assembly and motor. The stator assembly comprises a stator core and a multi-branch rectangular conductor winding, an even number of stator slots are provided on an inner circumference of the stator core, and each of the stator slots is divided into multiple layers for accommodating rectangular conductors. The multi-branch rectangular conductor winding is provided in the stator slots, and the multi-branch rectangular conductor winding comprises B number of parallel branches, and B is an integer multiple of 4. The number of slots per phase per pole, Q, of the stator assembly is an odd number, and Q and B satisfy a relationship that both (Q+1)*2/B and (Q?1)*2/B are integers.
    Type: Application
    Filed: October 27, 2021
    Publication date: August 11, 2022
    Inventors: Kaihe Zhang, Kunxing Sun, Liangliang Zhang, Chunxia Cai, Xuan Zou, Chunshuang Feng
  • Patent number: 11400959
    Abstract: A surrounding environment of an autonomous vehicle is perceived to identify one or more vehicles nearby. For each of the identified vehicles, based on a current location of the identified vehicle, vehicle-independent information is obtained to determine context surrounding the identified vehicle, where the vehicle-independent information includes vehicle surrounding information that defines physical constraints imposed on the identified vehicle. For each of the identified vehicles, one or more trajectories for the identified vehicle are predicted based at least in part on the vehicle-independent information associated with the identified vehicle. The autonomous vehicle is controlled based on the one or more predicted trajectories of the one or more identified vehicles.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: August 2, 2022
    Assignee: BAIDU USA LLC
    Inventors: Shiyuan Fang, I-Hsuan Yang, Jinghao Miao, Liyun Li, Liangliang Zhang, Jingao Wang
  • Patent number: 11378956
    Abstract: A perception module is configured to perceive a driving environment surrounding an autonomous driving vehicle (ADV) based on sensor data, and to generate perception information using various perception models or methods. The perception information describes the perceived driving environment. Based on the perception information, a planning module is configured to plan a trajectory representing a route or a path for a current planning cycle. The ADV is then controlled and driven based on the trajectory. In addition, the planning module determines a critical region (also referred to as a critical area) surrounding the ADV based on the trajectory in view of a current location or position of the ADV. The metadata describing the critical region is transmitted to the perception module via an application programming interface (API) to allow the perception module to generate perception information for a next planning cycle in view of the critical region.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: July 5, 2022
    Assignee: BAIDU USA LLC
    Inventors: Liangliang Zhang, Dong Li, Jiangtao Hu, Jiaming Tao, Yifei Jiang
  • Patent number: 11377119
    Abstract: In one embodiment, a lateral drifting error is determined based on at least a current location of an ADV. The lateral drifting error is segmented into a first drifting error and a second drifting error using a predetermined segmentation algorithm. A planning module plans a path or trajectory for a current driving cycle (e.g., planning cycle) to drive the ADV from the current location for a predetermined period of time. The planning module performs a first drifting error correction on the trajectory by modifying at least a starting point of the trajectory based on the first drifting error to generate a modified trajectory. A control module controls the ADV to drive according to the modified trajectory, including performing a second drifting error correction based on the second drifting error.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: July 5, 2022
    Assignees: BAIDU USA LLC, BAIDU.COM TIMES TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Fan Zhu, Xin Xu, Qi Kong, Yuchang Pan, Feiyi Jiang, Liangliang Zhang, Jiaming Tao, Haoyang Fan, Hui Jiang
  • Patent number: 11360482
    Abstract: Via a first processing thread, an ADV is controlled according to a first trajectory that was generated based on a first reference line starting at a first location. Concurrently via a second processing thread, a second reference line is generated based on a second location of the first trajectory that the ADV will likely reach within a predetermined period of time in future. The predetermined period of time is greater than or equals to an amount of time to generate a reference line for the ADV. The second reference line is generated while the ADV is moving according to the first trajectory and before reaching the second location. Subsequently, in response to determining that the ADV is within a predetermined proximity of the second location, a second trajectory is generated based on the second reference line without having to calculate the second reference line at the second location.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: June 14, 2022
    Assignee: BAIDU USA LLC
    Inventors: Dong Li, Liangliang Zhang, Yajia Zhang, Yifei Jiang, Haoyang Fan, Jiangtao Hu
  • Patent number: 11356985
    Abstract: A method and a device for establishing an Evolved Packet System (EPS) bearer, where the method includes establishing, by a first base station to which a user equipment (UE) belongs, a first EPS bearer based on a first component carrier (CC) for the UE, wherein the first EPS bearer is an EPS bearer between the first base station and the UE; and instructing, by the first base station, a second base station to establish a second EPS bearer based on a second CC for the UE, wherein the second EPS bearer is an EPS bearer between the second base station and the UE. The present disclosure enables the UE to aggregate carriers of different frequency ranges from the first base station to which the UE belongs and the second base station to which the UE belongs to transmit data, thus improving the throughput of the data transmitted by the UE.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: June 7, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Junren Chang, Yajuan Li, Yongping Zhang, Liangliang Zhang
  • Patent number: 11340094
    Abstract: A server may determine whether traffic control devices in an environment have changed, based on one or more report messages and sensor data. If the traffic control devices in an environment have changed, the server may generate updated map data and transmit the updated map data to an autonomous driving vehicle (ADV).
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: May 24, 2022
    Assignee: BAIDU USA LLC
    Inventors: Yifei Jiang, Liangliang Zhang, Jiaming Tao, Jiangtao Hu, Dong Li
  • Patent number: 11328219
    Abstract: System and method for training a machine learning model are disclosed. In one embodiment, for each of the driving scenarios, responsive to sensor data from one or more sensors of a vehicle and the driving scenario, driving statistics and environment data of the vehicle are collected while the vehicle is driven by a human driver in accordance with the driving scenario. Upon completion of the driving scenario, the driver is requested to select a label for the completed driving scenario and the selected label is stored responsive to the driver selection. Features are extracted from the driving statistics and the environment data based on predetermined criteria. The extracted features include some of the driving statistics and some of the environment data collected at the different points in time during the driving scenario.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: May 10, 2022
    Assignee: BAIDU USA LLC
    Inventors: Liangliang Zhang, Siyang Yu, Dong Li, Jiangtao Hu, Jiaming Tao, Yifei Jiang
  • Publication number: 20220080991
    Abstract: A system and a method for controlling an autonomous driving vehicle. The system includes vehicle sensors and a controller. The controller has a processor and a storage device storing computer executable code. The computer executable code, when executed at the processor, is configured to: receive vehicle parameters from the vehicle sensors; obtain a vehicle dynamic model by adding a dynamics error bound to a state space model, wherein the dynamics error bound is estimated using linear least square; minimize a linear quadratic regulator cost function based on the vehicle dynamic model; and control the vehicle using control input obtained from the minimized cost function.
    Type: Application
    Filed: September 11, 2020
    Publication date: March 17, 2022
    Inventors: Haiming Wang, Liangliang Zhang, Qi Kong