Patents by Inventor Pengfei Li
Pengfei Li 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: 11965666Abstract: The disclosure provides a control method and a device for an air conditioner. The method includes: a first reward matrix is constructed according to multiple sets of target operating parameters of an air conditioner, a maximum expected benefit of performing a current action in a current state is calculated based on the first reward matrix and a Q-learning algorithm, wherein the current state is represented by a current indoor environment temperature and a current outdoor environment temperature; target action parameters under the maximum expected benefit are acquired, and operation of the air conditioner is controlled based on second target action parameters, wherein the second target action parameters at least include a second target operating frequency of the compressor, a second target opening degree of the electronic expansion valve and a second target rotating speed of the external fan.Type: GrantFiled: December 16, 2019Date of Patent: April 23, 2024Assignee: Gree Electric Appliances, Inc. of ZhuhaiInventors: Jianming Tan, Shaobin Li, Dechao Song, Dong Yue, Chong Chen, Xiaoyu Luo, Jiabi Deng, Pengfei Wang, Wenxuan Xiao
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Patent number: 11965744Abstract: The present disclosure is related to systems and methods for indoor positioning. The method includes obtaining a first location of a subject at a first time point. The method also includes determining one or more motion parameters associated with the subject at least based on one or more sensors carried by the subject. The method further includes determining, based on the first location of the subject and the one or more motion parameters associated with the subject, a second location of the subject at a second time point after the first time point. The method still further includes adjusting, at least based on surroundings information associated with the subject at the second time point, the second location of the subject to determine a target location of the subject.Type: GrantFiled: November 10, 2020Date of Patent: April 23, 2024Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Xiaoqiang Teng, Rongzhi Wang, Jiankuan Li, Zhiwei Ruan, Zongyue Liu, Jun Zhang, Pengfei Xu, Shenggang Bao, Chao Liu
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Publication number: 20240123838Abstract: A battery module includes: a plurality of cells; and a cell restraining structure having an internal frame and an external shell fit with the internal frame to form a plurality of chambers for receiving the plurality of cells respectively so as to package and manage the cells. The internal frame includes an elastic element forming at least one first surface of each chamber, the elastic element being elastically deformed as being pressed by a predetermined amount by a corresponding cell received in each chamber such that the elastically deformed elastic element exerts a first force to the corresponding cell. The elastically deformed elastic element is further pressed or tends to recover in responding to reversible expansion or contraction of the corresponding cell in operation such that a restraining force to the corresponding cell is determined by the first force.Type: ApplicationFiled: November 17, 2020Publication date: April 18, 2024Applicant: SAIC MOTOR CORPORATION LIMITEDInventors: Kewei LU, Dingxian ZHOU, Zhao LI, Dong XU, Pengfei ZHAO
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Patent number: 11963429Abstract: A display module (10) includes: a display panel (12) and a circuit board (14) coupled to the display panel (12). The display panel (12) includes a driving chip (122) and a display unit (124); and the circuit board (14) includes a first filter element (142), wherein the first filter element (142) is coupled to the driving chip (122) and the display unit (124), and a direct current signal output by the driving chip (122) is filtered by the first filter element (142) and then transmitted to the display unit (124). The present disclosure also provides a display apparatus (100).Type: GrantFiled: June 19, 2020Date of Patent: April 16, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yu Wang, Yi Zhang, Tingliang Liu, Tinghua Shang, Huijuan Yang, Yang Zhou, Pengfei Yu, Linhong Han, Hao Zhang, Xiaofeng Jiang, Huijun Li
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Patent number: 11963450Abstract: A method for manufacturing a core-shell coaxial gallium nitride (GaN) piezoelectric nanogenerator is provided. A mask covering a center part of a gallium nitride wafer is removed. An electrodeless photoelectrochemical etching is performed on the gallium nitride wafer to form a primary GaN nanowire array on a surface of the gallium nitride wafer. A precious metal layer provided on the surface of the gallium nitride wafer is removed and an alumina layer is deposited on the surface of the gallium nitride wafer to cover the primary GaN nanowire array to obtain a core-shell coaxial GaN nanowire array. A first conductive layer is provided on a flexible substrate to which the core-shell coaxial GaN nanowire array is transferred. A second conductive layer is provided at a top end of the core-shell coaxial GaN nanowire array, and is connected to an external circuit to obtain the core-shell coaxial GaN piezoelectric nanogenerator.Type: GrantFiled: August 11, 2023Date of Patent: April 16, 2024Assignee: Guangdong University of TechnologyInventors: Yun Chen, Pengfei Yu, Aoke Song, Zijian Li, Maoxiang Hou, Xin Chen
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Publication number: 20240117903Abstract: An ultrahigh-pressure acid-fracturing isodiametric hose assembly, comprising a hose body and a metal joint. The metal joint comprises an inner tube, a first outer tube the inner tube, and a second outer tube. The first outer tube and the second outer tube each is an independent pressing part. An external groove is provided at an outer wall of the inner tube. An end of the first outer tube comprises an internal ridge which matches the external groove for snapping. The terminal of the inner tube comprises a connecting portion. An outer wall of the inner tube comprises a first protrusion, and an inner wall of the first outer tube comprises a second protrusion engaging with the first protrusion. The hose body is clamped between the first protrusion and the second protrusion that are engaged. An inner wall of the second outer tube comprises multiple micro-protrusions.Type: ApplicationFiled: July 27, 2023Publication date: April 11, 2024Applicant: LUOHE LETONE HYDRAULICS TECHNOLOGY CO., LTD.Inventors: Hongliang ZHAO, Zhian LIU, Peiyuan WU, Feilong ZHANG, Xingpeng YANG, Lili LU, Yong ZHANG, Yanhui ZHAO, Pengfei ZHANG, Ning LI
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Publication number: 20240120476Abstract: The present disclosure provides a cobalt-free and nickel-free positive electrode material and a preparation method therefor, and a battery. The preparation method includes: preparing a cobalt-free and nickel-free matrix material, and mixing the cobalt-free and nickel-free matrix material, a lithium source, and a divalent manganese compound for reaction to obtain the cobalt-free and nickel-free positive electrode material. By adding the divalent manganese compound, the generation of lamellar LiMnO2 and spinel LiMn2O4 is inhibited, the generation of lamellar Li2MnO3 is promoted, and the cycle performance of the material is improved.Type: ApplicationFiled: December 4, 2023Publication date: April 11, 2024Inventors: PENGFEI WANG, HONGXIN YANG, ZITAN LI, QIQI QIAO, ZETAO SHI, FENG GUO, XINPEI XU
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Patent number: 11951976Abstract: A method for automated parking, a device, and a storage medium, which relate to a field of automated parking. The method for automated parking includes: determining, based on a historical location of a vehicle over a first time period, a frequented region associated with one or more candidate parking routes for the vehicle; acquiring the one or more candidate parking routes for the vehicle based on one or more historical parking routes of the vehicle in the frequented region, where the one or more historical parking routes include a driving-in route and/or a driving-out route; and providing the vehicle with the acquired one or more candidate parking routes in response to determining that the vehicle is in the frequented region, for the vehicle to drive in or drive out.Type: GrantFiled: August 17, 2022Date of Patent: April 9, 2024Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Huiling Jian, Xinjing Li, Jia Song, Pengfei Wei
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Patent number: 11952728Abstract: A road structure reconstructed from large-scale independent underground garage and a construction method, which solves the problem of a newly constructed urban expressway passing through large underground space. The technical point is a construction method for the road structure reconstructed from large-scale independent underground garage, including the following steps: S100: segmentation for the garage, S200: preparation before construction: the materials and equipment required for construction are transported to the site, and the construction site is cleaned, S300: reconstruction for the front section, S400: reconstruction for the middle section, S500: reconstruction for the rear section. The inventiveness of the present disclosure is the application of segmentation construction, the front section is completely obsoleted, a transition section is provided at the middle, and the design of the rear section adopts a double-deck road, thus the original underground garage structure is fully utilized.Type: GrantFiled: July 12, 2023Date of Patent: April 9, 2024Assignee: HANGZHOU CITY UNIVERSITYInventors: Gang Wei, Tianbao Xu, Jiaxuan Zhu, Yunliang Cui, Bing Li, Ke Wang, Pengfei Xiang, Shuangyan Lin, Xinquan Wang, Hongguo Diao
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Patent number: 11956379Abstract: A retractable screen structure includes a holder assembly, the holder assembly including a holder and a rotation shaft assembly. The rotation shaft assembly includes a rotation shaft support coupled to a side of the holder and having a shaft hole, a rotation shaft passing through the shaft hole, and a rotation wheel fitted over the rotation shaft. The holder assembly also includes a flexible display screen wound around the rotation wheel. The rotation wheel is driven to rotate when the flexible display screen is expanded or retracted.Type: GrantFiled: December 21, 2021Date of Patent: April 9, 2024Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Pengfei Li, Zhenhua Liu
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Publication number: 20240111778Abstract: A method includes: receiving query content input for a target relationship network graph in a graph database, where the target relationship network graph includes multiple nodes and connection edges between nodes; querying a matching query result graph from the target relationship network graph according to the query content, where the query result graph includes at least a target node; displaying the query result graph; in response to a first operation performed by a user in a display area of the target node, adding and displaying, in the query result graph, a first-order neighboring node of the target node and a connection edge between the target node and the first-order neighboring node; simultaneously adjusting positions of the target node, the first-order neighboring node, and the connection edge in response to a second operation performed by the user in a blank area other than a display area of the query result graph.Type: ApplicationFiled: September 19, 2023Publication date: April 4, 2024Inventor: Pengfei Li
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Publication number: 20240101836Abstract: The present disclosure provides an expanded coating, a preparation method and use thereof, and a permanent magnet comprising same. The expanded coating described herein comprises pores and a filler resin arranged among the pores; the pores comprise at least a spheroid pore having a cross section with a long diameter and a short diameter; in the cross section of the expanded coating, the area of the spheroid pores accounts for 50%-60% of the cross-sectional area of the expanded coating. The permanent magnet of the present disclosure comprises the expanded coating. The expanded coating has high strength and can exhibit excellent mechanical properties and corrosion resistance at high temperatures (such as 170° C.), with a shear strength greater than 2 MPa, a tensile strength greater than 2 MPa, an oil resistance greater than 1800 h and a neutral salt spray performance greater than 288 h at 170° C.Type: ApplicationFiled: September 26, 2023Publication date: March 28, 2024Inventors: Zhiqiang LI, Wen LI, Pengfei WANG, Bin ZHOU, Yunting SU
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Publication number: 20240104139Abstract: Automatically completing a query statement for a graph database, includes obtaining a current input character in a process that a user inputs a graph database query statement using a target query language. Matched target keywords from several syntax keywords are queried based on at least the current input character when the current input character is not a predetermined character, where the predetermined character is a reserved character of the target query language. The matched target keywords are determined as complementary content corresponding to the current input character.Type: ApplicationFiled: September 26, 2023Publication date: March 28, 2024Applicant: Alipay (Hangzhou) Information Technology Co., Ltd.Inventor: Pengfei Li
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Publication number: 20240104382Abstract: A system and method for instance-level roadway feature detection for autonomous vehicle control are disclosed.Type: ApplicationFiled: December 12, 2023Publication date: March 28, 2024Inventors: Tian LI, Panqu WANG, Pengfei CHEN
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Publication number: 20240107709Abstract: Disclosed is an immersed cabinet, which includes a cabinet body and a heat sink assembly, wherein the heat sink assembly is in sealed connection with the cabinet body and configured to seal an opening of the cabinet body. The cabinet body accommodates a plurality of devices to be cooled, and cooling liquid is put in the cabinet body and used for immersing the plurality of devices to be cooled. The cooling liquid absorbs heat generated by the plurality of devices to be cooled and then is vaporized. The heat sink assembly exchanges heat with the vaporized cooling liquid, so that the vaporized cooling liquid condenses and flows back to the cabinet body for circulation, and the heat sink assembly dissipates the heat into the atmosphere. Therefore, the heat dissipation structure design of the immersed cabinet is effectively simplified.Type: ApplicationFiled: December 29, 2022Publication date: March 28, 2024Applicant: Luxshare Thermal Technologies (HuiZhou) Co., LtdInventors: PengFei WANG, JianHua CHEN, Jun ZHAO, WenHe LI, JiaRong LI
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Patent number: 11943984Abstract: A display substrate includes: a base substrate; a plurality of sub-pixels, each sub-pixel including a light-emission device including a first electrode; a plurality of signal lines including at least a first signal line and a second signal line; a signal line lead in a non-display area; and a signal line transfer structure on the base substrate, wherein the signal line transfer structure is configured to connect the signal line lead and the second signal line, the signal line transfer structure and the first signal line are located in the same layer, and the signal line transfer structure is spaced apart from the first signal line. An orthographic projection of the first electrode of at least one of the sub-pixels on the base substrate at least partially overlaps with an orthographic projection of each of the first signal line and the signal line transfer structure on the base substrate.Type: GrantFiled: July 15, 2020Date of Patent: March 26, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jie Dai, De Li, Pengfei Yu, Tinghua Shang
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Publication number: 20240092579Abstract: A container conveying system including a controller, a first robot, and/or a second robot. A first container pickup mechanism is provided on the first robot. A second container pickup mechanism is provided on the second robot. The controller is configured to, in response to a container conveying request, send a first conveying instruction to the first robot if it is determined a target container to be conveyed based on the container conveying request has a size within a first size range; or send a second conveying instruction to the second robot if it is determined the target has a size within a second size range. In warehousing operation scenarios, by jointly using the two robots for operation, containers with various container sizes can be picked up and placed, thus improving utilization rate of a container storage space.Type: ApplicationFiled: January 21, 2022Publication date: March 21, 2024Inventors: Kai LIU, Qiming WANG, Zhihui QIN, Nan ZHANG, Yuhui XIAO, Xiaowei LI, Xi CHEN, Pengfei WANG
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Publication number: 20240099053Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. A pixel region is provided with a light emission function layer on a base substrate of the display substrate, and a separation region is provided with at least one first barrier structure. The first barrier structure includes a stopper pattern and a first separation component. A side surface of the first separation component has a recess, and a portion of the light emission function layer extending to the separation region is disconnected on the side of the first separation component. The separation region is provided with an inorganic layer structure on the base substrate. The inorganic layer structure includes multiple stacked inorganic film layers, the stopper pattern is located between two adjacent inorganic film layers and the first separation component is located on a side of the inorganic layer structure away from the base substrate.Type: ApplicationFiled: November 15, 2023Publication date: March 21, 2024Inventors: Yupeng HE, Yang ZHOU, Xin ZHANG, Pengfei YU, Xiaofeng JIANG, Yi QU, Lulu YANG, Huijun LI, Meng ZHANG
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Patent number: 11931208Abstract: The present application discloses a cerebral perfusion state classification apparatus and method, a device, and a storage medium. The method includes: acquiring, by a transceiving module, cervical blood flow data from an ultrasound data collecting device; determining, by a processor, cerebral perfusion data corresponding to the cervical blood flow data based on the cervical blood flow data and a mapping relationship between the cervical blood flow data and the cerebral perfusion data, and classifying cerebral perfusion states of a plurality of brain regions based on blood perfusion characteristics of the plurality of brain regions in the cerebral perfusion data.Type: GrantFiled: May 20, 2022Date of Patent: March 19, 2024Assignee: BEIJING FRIENDSHIP HOSPITAL, CAPITAL MEDICAL UNIVERSITYInventors: Zhenchang Wang, Wei Zheng, Han Lv, Pengling Ren, Dehong Luo, Linkun Cai, Yawen Liu, Hongxia Yin, Pengfei Zhao, Jing Li, Dong Liu, Erwei Zhao, Tingting Zhang
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Patent number: 11933549Abstract: A high-performance thermal interface comprising a nanowire array disposed between a bottom metal layer and a top metal layer in which each nanowire is coated with a 3D fuzzy graphene layer. The thermal interface can be used by bonding it to the surfaces of adjoining substrates using layers of solder.Type: GrantFiled: September 22, 2022Date of Patent: March 19, 2024Assignee: Carnegie Mellon UniversityInventors: Sheng Shen, Wei Gong, Pengfei Li, Lin Jing, Itzhaq Cohen-Karni, Raghav Garg