Patents by Inventor Jiucai Zhang
Jiucai 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).
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Patent number: 11866070Abstract: Disclosed are a vehicle control method, a vehicle control apparatus, and a storage medium. The method includes acquiring real-time road condition information about an ego vehicle. The real-time road condition information can be used to indicate whether the ego vehicle arrives at an intersection. Vehicle state information can be acquired when the ego vehicle arrives at the intersection. Once a prediction result is obtained based on the vehicle state information, the ego vehicle can be controlled according to the prediction result.Type: GrantFiled: September 28, 2020Date of Patent: January 9, 2024Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.Inventors: Xiao Lin, Jiucai Zhang, Jin Shang, Yi Wang
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Publication number: 20230169322Abstract: The vehicle control method includes: acquiring vehicle parameters of a target vehicle and scene parameters of a scene where the target vehicle is located; searching for a target strategy corresponding to the vehicle parameters and the scene parameters in a strategy library, if the vehicle parameters are within a preset vehicle parameter range and the scene parameters are within a preset scene parameter range; inputting the vehicle parameters and the scene parameters into a pre-training model to generate the target strategy, if the vehicle parameters are not within the preset vehicle parameter range or the scene parameters are not within the preset scene parameter range; and controlling the target vehicle based on the target strategy.Type: ApplicationFiled: November 29, 2021Publication date: June 1, 2023Inventors: JIUCAI ZHANG, YI WANG
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Patent number: 11636687Abstract: An adaptive processing method for new scenes in autonomous driving, comprising: obtaining scene data corresponding to new scene of vehicle driving, wherein the scene data describes vehicles state and driving operations in the new scene; obtaining a test set of the new scene based on processing the scene data by a preset distribution; updating parameters of a pre-training model by inputting the test set, and obtaining a scene model adapted to the new scene based on gradient iteration of general model parameters of the pre-training model, wherein the scene model is configured to output an autonomous driving strategy for the vehicle in the new scene. Therefore, the autonomous driving vehicle transforms a new scene to a known scene, and no longer be troubled by unpredictable new scenes, and greatly enhance the reliability and stability of autonomous driving.Type: GrantFiled: June 24, 2021Date of Patent: April 25, 2023Assignee: Guangzhou Automobile Group Co., Ltd.Inventors: Jiucai Zhang, Yi Wang
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Patent number: 11609273Abstract: Provided are a method and a system for optimizing a BMS model. The method includes: creating a BMS model based on test data of a battery; selecting sample vehicles from real driving data of vehicles equipped with this type of battery through active learning approach, and giving a corresponding weight to each of the selected sample vehicles; optimizing the BMS model based on the data of the selected sample vehicles.Type: GrantFiled: December 14, 2020Date of Patent: March 21, 2023Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.Inventors: Jiucai Zhang, Jun Wang, Chao Liu, Jin Shang, Qiang Ren, Ao Mei, Dadiao Ning, Sichao Guo, Sheng Hui
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Publication number: 20220414384Abstract: An adaptive processing method for new scenes in autonomous driving, comprising: obtaining scene data corresponding to new scene of vehicle driving, wherein the scene data describes vehicles state and driving operations in the new scene; obtaining a test set of the new scene based on processing the scene data by a preset distribution; updating parameters of a pre-training model by inputting the test set, and obtaining a scene model adapted to the new scene based on gradient iteration of general model parameters of the pre-training model, wherein the scene model is configured to output an autonomous driving strategy for the vehicle in the new scene. Therefore, the autonomous driving vehicle transforms a new scene to a known scene, and no longer be troubled by unpredictable new scenes, and greatly enhance the reliability and stability of autonomous driving.Type: ApplicationFiled: June 24, 2021Publication date: December 29, 2022Inventors: JIUCAI ZHANG, YI WANG
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Publication number: 20220405517Abstract: A system and method for recognizing traffic signs during autonomous driving comprises a camera module obtaining a first recognition, a sensor obtains behavior information of the host vehicle and of nearby vehicles and a connected training module generates parameters for traffic sign recognition according to information as to the behavior of the host vehicle and the nearby vehicles. A recurrent neural network module is connected with the training module and the camera module, and outputs a second traffic sign recognition according to the parameters and the first recognition. Training parameters of the second recognition comprise the traffic sign recognition parameters and the first recognition, the accuracy of the training result being improved by combining other sensors to perform traffic sign recognition training.Type: ApplicationFiled: June 17, 2021Publication date: December 22, 2022Inventors: Xiaosheng SHI, Jiucai ZHANG, Donghua ZHU, Jinchi ZHANG, Guorong LI
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Patent number: 11502350Abstract: Provided is a battery heating system, a battery device and an electric vehicle. The battery heating system includes: a battery pack having multiple battery cells; a plurality of heating resistors, each heating resistor is connected to a corresponding battery cell and is configured to heat the connected battery cell; a switching circuit, which is connected to each battery cell and each heating resistor; a controller, which is connected to the switch circuit and is configured to select one or more battery cells for discharging and one or more battery cells to be heated from the plurality of battery cells according to the temperature and/or energy of each battery cell, and control switches in the switching circuit to switch on/off, so that the current of the one or more battery cells for discharging flows through the corresponding heating resistor to heat the one or more battery cells to be heated.Type: GrantFiled: July 20, 2020Date of Patent: November 15, 2022Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.Inventors: Meng Yao, Jiucai Zhang, Bozhi Yang, Qin Yang
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Publication number: 20220250505Abstract: A method and apparatus for optimizing a battery management system (BMS) are provided. The method includes: obtaining training data, wherein the training data comprises data from a target vehicle and data from auxiliary vehicles, and the auxiliary vehicles are vehicles mounted with a same or similar battery system as the target vehicle; optimizing a BMS related algorithm for the target vehicle by performing transfer learning based on the training data, wherein the BMS related algorithm comprises one or a combination of: a battery model, parameters for the battery model, a battery management algorithm, and parameters for the battery management algorithm.Type: ApplicationFiled: February 10, 2021Publication date: August 11, 2022Inventors: Jiucai ZHANG, Jun WANG, Chao LIU, Jin SHANG, Qiang REN, Ao MEI, Dadiao NING, Sichao GUO, Sheng HUI
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Publication number: 20220187374Abstract: Provided are a method and a system for optimizing a BMS model. The method includes: creating a BMS model based on test data of a battery; selecting sample vehicles from real driving data of vehicles equipped with this type of battery through active learning approach, and giving a corresponding weight to each of the selected sample vehicles; optimizing the BMS model based on the data of the selected sample vehicles.Type: ApplicationFiled: December 14, 2020Publication date: June 16, 2022Inventors: Jiucai ZHANG, Jun WANG, Chao LIU, Jin SHANG, Qiang REN, Ao MEI, Dadiao NING, Sichao GUO, Sheng HUI
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Publication number: 20220097736Abstract: Disclosed are a vehicle control method and apparatus, a storage medium and an electronic device.Type: ApplicationFiled: September 28, 2020Publication date: March 31, 2022Inventors: Xiao LIN, Jiucai ZHANG, Jin SHANG, Yi WANG
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Publication number: 20220021053Abstract: Provided is a battery heating system, a battery device and an electric vehicle. The battery heating system includes: a battery pack having multiple battery cells; a plurality of heating resistors, each heating resistor is connected to a corresponding battery cell and is configured to heat the connected battery cell; a switching circuit, which is connected to each battery cell and each heating resistor; a controller, which is connected to the switch circuit and is configured to select one or more battery cells for discharging and one or more battery cells to be heated from the plurality of battery cells according to the temperature and/or energy of each battery cell, and control switches in the switching circuit to switch on/off, so that the current of the one or more battery cells for discharging flows through the corresponding heating resistor to heat the one or more battery cells to be heated.Type: ApplicationFiled: July 20, 2020Publication date: January 20, 2022Inventors: Meng YAO, Jiucai ZHANG, Bozhi YANG, Qin YANG
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Publication number: 20200321786Abstract: Disclosed are a battery charging control method and apparatus, and a battery powered device such as an electric vehicle. The method, for each cell in at least one cell of a multi-cell battery, includes: after the multi-cell battery enters a charging stable state, acquiring actual charging electric quantity required for charging the cell to a target voltage; determining a balance time duration for the cell based on the actual charging electric quantity corresponding to the cell, wherein the balance time duration is a time duration required for a cell balance control circuit matched with the cell to control the cell; and controlling the cell balance control circuit matched with the cell to perform electric quantity adjustment on the cell within the balance time duration. The technical problem of low accuracy of balance control on each cell in the multi-cell battery in the related art is solved.Type: ApplicationFiled: April 8, 2019Publication date: October 8, 2020Inventors: Jiucai ZHANG, Ao MEI, Jun WANG, Zhi LI, Chao LIU, Sichao GUO
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Patent number: 10391878Abstract: The present disclosure is directed to a system and method for calibrating state-of-charge (SOC) of an energy storage device. The method includes monitoring, via a battery management system, at least one of an accumulated capacity of the energy storage device after a first SOC calibration or a time period after the first SOC calibration. Another step includes determining, via the battery management system, whether at least one of the accumulated capacity or the time period is above a predetermined threshold. If at least one of the accumulated capacity or the time period is above a predetermined threshold, then the method includes charging, via the battery management system, the energy storage device for a specified duration until the energy storage device reaches a second SOC calibration.Type: GrantFiled: October 9, 2014Date of Patent: August 27, 2019Assignee: General Electric CompanyInventors: Jiucai Zhang, Charles Clarence Hicks, Jr., Sam T. Liu, Robert A. Kaucic, Leng Mao
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Patent number: 10218188Abstract: Systems and methods for charging a plurality of battery strings are provided. The individual string current of each of the individual battery strings can be monitored and used to regulate a charging output provided by the charger. For instance, the output voltage of charger can be controlled as part of a closed loop control system based on the individual string current of the battery string under the constraint of an individual string current limit and/or a charging voltage limit. As the charging voltage of the charger increases as a result of the closed loop control based on the individual string current, other battery strings can be coupled to the charger when the charging voltage provided by the charger exceeds a battery string voltage associated with the battery string.Type: GrantFiled: April 17, 2017Date of Patent: February 26, 2019Assignee: General Electric CompanyInventors: Jiucai Zhang, Charles Clarence Hicks, Jr., Sam T. Liu, Robert A. Kaucic, Leng Mao
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Patent number: 9897658Abstract: The present disclosure is directed to a system and method for controlling an energy storage device by more accurately detecting an end-of-discharge voltage of the energy storage device. More specifically, in one embodiment, the method includes determining an end-of-discharge voltage threshold for the energy storage device. Another step includes filtering the end-of-discharge voltage threshold via a filter. The method also includes adjusting a time constant of the filter based on at least one voltage-current condition. Still a further step includes comparing the filtered end-of-discharge voltage threshold and a terminal voltage of the energy storage device. Based on the comparison, the method includes determining a change of state of the energy storage device. Thus, the energy storage device can be controlled based on the change of state.Type: GrantFiled: January 27, 2015Date of Patent: February 20, 2018Assignee: General Electric CompanyInventors: Jiucai Zhang, Charles Clarence Hicks, Jr., Sam T. Liu, Robert A. Kaucic, Leng Mao, David E. James, Herman Lucas Norbert Wiegman, Mert Geveci
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Publication number: 20170222452Abstract: Systems and methods for charging a plurality of battery strings are provided. The individual string current of each of the individual battery strings can be monitored and used to regulate a charging output provided by the charger. For instance, the output voltage of charger can be controlled as part of a closed loop control system based on the individual string current of the battery string under the constraint of an individual string current limit and/or a charging voltage limit. As the charging voltage of the charger increases as a result of the closed loop control based on the individual string current, other battery strings can be coupled to the charger when the charging voltage provided by the charger exceeds a battery string voltage associated with the battery string.Type: ApplicationFiled: April 17, 2017Publication date: August 3, 2017Inventors: Jiucai Zhang, Charles Clarence Hicks, JR., Sam T. Liu, Robert A. Kaucic, Leng Mao
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Patent number: 9627897Abstract: Systems and methods for charging a plurality of battery strings are provided. The individual string current of each of the individual battery strings can be monitored and used to regulate a charging output provided by the charger. For instance, the output voltage of charger can be controlled as part of a closed loop control system based on the individual string current of the battery string under the constraint of an individual string current limit and/or a charging voltage limit. As the charging voltage of the charger increases as a result of the closed loop control based on the individual string current, other battery strings can be coupled to the charger when the charging voltage provided by the charger exceeds a battery string voltage associated with the battery string.Type: GrantFiled: October 30, 2014Date of Patent: April 18, 2017Assignee: General Electric CompanyInventors: Jiucai Zhang, Charles Clarence Hicks, Jr., Sam T. Liu, Robert A. Kaucic, Leng Mao
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Publication number: 20160218400Abstract: The present disclosure is directed to a system and method for controlling an energy storage device by more accurately detecting an end-of-discharge voltage of the energy storage device. More specifically, in one embodiment, the method includes determining an end-of-discharge voltage threshold for the energy storage device. Another step includes filtering the end-of-discharge voltage threshold via a filter. The method also includes adjusting a time constant of the filter based on at least one voltage-current condition. Still a further step includes comparing the filtered end-of-discharge voltage threshold and a terminal voltage of the energy storage device. Based on the comparison, the method includes determining a change of state of the energy storage device. Thus, the energy storage device can be controlled based on the change of state.Type: ApplicationFiled: January 27, 2015Publication date: July 28, 2016Inventors: Jiucai Zhang, Charles Clarence Hicks,, JR., Sam T. Liu, Robert A. Kaucic, Leng Mao, David E. James, Herman Lucas Norbert Wiegman, Mert Geveci
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Publication number: 20160126766Abstract: Systems and methods for charging a plurality of battery strings are provided. The individual string current of each of the individual battery strings can be monitored and used to regulate a charging output provided by the charger. For instance, the output voltage of charger can be controlled as part of a closed loop control system based on the individual string current of the battery string under the constraint of an individual string current limit and/or a charging voltage limit. As the charging voltage of the charger increases as a result of the closed loop control based on the individual string current, other battery strings can be coupled to the charger when the charging voltage provided by the charger exceeds a battery string voltage associated with the battery string.Type: ApplicationFiled: October 30, 2014Publication date: May 5, 2016Inventors: Jiucai Zhang, Charles Clarence Hicks,, JR., Sam T. Liu, Robert A. Kaucic, Leng Mao
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Publication number: 20160101708Abstract: The present disclosure is directed to a system and method for calibrating state-of-charge (SOC) of an energy storage device. The method includes monitoring, via a battery management system, at least one of an accumulated capacity of the energy storage device after a first SOC calibration or a time period after the first SOC calibration. Another step includes determining, via the battery management system, whether at least one of the accumulated capacity or the time period is above a predetermined threshold. If at least one of the accumulated capacity or the time period is above a predetermined threshold, then the method includes charging, via the battery management system, the energy storage device for a specified duration until the energy storage device reaches a second SOC calibration.Type: ApplicationFiled: October 9, 2014Publication date: April 14, 2016Inventors: Jiucai Zhang, Charles Clarence Hicks,, JR., Sam T. Liu, Robert A. Kaucic, Leng Mao