Patents by Inventor Ang Zhang
Ang 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: 11983929Abstract: A method of calculating a size of a Gaussian kernel in a crowd counting system. The method includes dividing a crowd density map into several areas at equal intervals; calculating an estimated value of average distance of k nearest heads with respect to a head center point coordinate of a current person; calculating a weight coefficient for an average distance of k nearest heads; calculating a size of a Gaussian kernel corresponding to the head center point coordinate of the current person; determining whether there are any head center point coordinates of which sizes of Gaussian kernels have not been calculated yet in training data. If there are head center point coordinates of which sizes of the Gaussian kernels have not been calculated in the training data, recalculating an estimated value of average distance of k nearest heads with respect to another head center point coordinate of another current person.Type: GrantFiled: April 24, 2020Date of Patent: May 14, 2024Assignee: CRSC COMMUNICATION & INFORMATION GROUP COMPANY LTD.Inventors: Yang Liu, Dawei Jiao, Tianjiao Yang, Hongyan Li, Tao Zhang, Ang Zhu, Jie Li
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Publication number: 20240146517Abstract: A secure processor for a post-quantum cryptography (PQC) algorithm CRYSTALS-KYBER, includes a communication unit, a management unit, a processing unit, and a storage unit. The communication unit is configured to receive and transmit data for the secure processor; the management unit is configured to control the processing unit according to the data; the processing unit is configured to process the data to form encrypted data, decrypted data and key data; and the storage unit is configured to store all data. The secure processor can efficiently and rapidly realize key generation, encryption and decryption of a KYBER algorithm under KYBER1024, KYBER768 and KYBER512 security levels, makes data encryption more complicated, and ensures security of the data.Type: ApplicationFiled: April 4, 2023Publication date: May 2, 2024Applicant: Wuhan Yixin Microelectronics Co., Ltd.Inventors: Dongsheng LIU, Ang HU, Tianze HUANG, Siqi XIONG, Chenjun YANG, Jiaming ZHANG
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Publication number: 20240118705Abstract: A system of determining a flight path for an aerial vehicle, includes a memory storing a program code, and a processor configured to execute the program code to identify, during a flight, an abnormal state occurring at a first location, in response to the abnormal state, control the aerial vehicle to fly along a first flight path from the first location to a first destination, after the aerial vehicle arrives at the first destination, evaluate a status of the aerial vehicle at the first destination to obtain an evaluation result, and based on the evaluation result, determine a second flight path of the aerial vehicle to a second destination. The first flight path is a reverse of a last flight path of the aerial vehicle before the aerial vehicle reaches the first location.Type: ApplicationFiled: December 18, 2023Publication date: April 11, 2024Inventors: Litian ZHANG, Xiao HU, Ang LIU
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Patent number: 11952666Abstract: A method for producing an abrasion-resistant coating on the inner wall of an aluminum alloy workpiece is provide. The steps include mixing a graphene powder and Al powder to obtain a mixed powder; combining and heating the mixed power with a polyvinyl alcohol (PVA) liquid, and performing spray granulation to obtain a low-temperature self-propagating composite; stirring a slurry comprising the low-temperature self-propagating composite and sodium silicate; injecting the slurry into a cylindrical inner cavity of an aluminum alloy workpiece mounted on a horizontal rotary table for rotation, the aluminum alloy workpiece is heated with the rotation at a second temperature of 80-100° C. so that the slurry is uniformly solidified on the cylindrical inner surface of the cylindrical inner cavity; and burning the slurry, after the slurry is uniformly solidified and while the rotation is maintained, with an oxyacetylene flame to form the wear-resistant coating.Type: GrantFiled: June 17, 2020Date of Patent: April 9, 2024Assignee: AECC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Haoliang Tian, Yang Yu, Changliang Wang, Mengqiu Guo, Zimin Zhou, Zhihui Tang, Ang Zhang, Yongjing Cui, Tianying Wang, Junguo Gao
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Patent number: 11932392Abstract: A system includes a flight controller. The flight controller is configured to, in response to a first user interface receiving a first user input, generate a first control signal. The first control signal is configured to control an unmanned aerial vehicle (UAV) to effect an autonomous flight with a first flight parameter and a second flight parameter. In response to a second user interface, different from the first user interface, receiving a second user input, the flight controller is further configured to modify the first flight parameter to obtain a modified first flight parameter, generate a second control signal based on the modified first flight parameter and the second flight parameter, and control the UAV to operate based on the second control signal.Type: GrantFiled: May 17, 2021Date of Patent: March 19, 2024Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Litian Zhang, Xiao Hu, Ang Liu, Guyue Zhou
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Patent number: 11926400Abstract: A bottom touching assisting device suitable for deep-sea submersibles and an implementation method thereof are provided. Four support columns are arranged within a mounting box body at a bottom of a deep-sea submersible, the support columns and the mounting box body are connected in a sliding manner through sliders, and the support column is sleeved with a threaded sleeve in a threaded connection manner. In conjunction with a drive component and a pressing mechanism, smooth vertical movement of the support column is achieved when the threaded sleeve rotates. This allows a bottom end of the support column to extend from the mounting box body.Type: GrantFiled: December 6, 2023Date of Patent: March 12, 2024Assignee: Qingdao Institute of Marine GeologyInventors: Xilin Zhang, Nengyou Wu, Qingsheng Liu, Hong Cao, Ang Li, Zhilei Sun, Cuiling Xu, Ye Chen, Sinan Xu, Jianjun Miao
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Publication number: 20230381230Abstract: The present disclosure provides a chimeric antigen receptor (CAR) molecule comprising a modified hinge domain, wherein the hinge domain comprises the amino acid sequence of SEQ ID NO:1. Cells expressing a CAR comprising the modified hinge domain disclosed herein are shown to have enhanced anti-tumor activities with reduced release of pro-inflammatory cytokines.Type: ApplicationFiled: October 27, 2022Publication date: November 30, 2023Applicants: Orgenesis Inc., Broaden BioScience and Technology Corp.Inventors: BUO CHEN, Xiangqun LI, Ang Zhang
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Patent number: 11549169Abstract: A method for preparing a thermal barrier coating (TBC) material includes: spraying a metal mixture onto a surface of an alloy using supersonic flame spraying or explosive spraying to form a bottom layer; spraying an yttria-stabilized zirconia (YSZ) precursor sol onto the bottom layer using liquid plasma spraying to form an intermediate layer; and spraying a ceramic composite including SiO2 and La—Ce—Zr—O using plasma spraying or explosive spraying to form a surface layer.Type: GrantFiled: June 17, 2020Date of Patent: January 10, 2023Assignee: AECC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Mengqiu Guo, Haoliang Tian, Changliang Wang, Zhihui Tang, Yang Yu, Yongjing Cui, Junguo Gao, Zimin Zhou, Tianying Wang, Ang Zhang
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Publication number: 20220106675Abstract: A method for preparing a thermal barrier coating (TBC) material includes: spraying a metal mixture onto a surface of an alloy using supersonic flame spraying or explosive spraying to form a bottom layer; spraying an yttria-stabilized zirconia (YSZ) precursor sol onto the bottom layer using liquid plasma spraying to form an intermediate layer; and spraying a ceramic composite including SiO2 and La—Ce—Zr—O using plasma spraying or explosive spraying to form a surface layer.Type: ApplicationFiled: June 17, 2020Publication date: April 7, 2022Applicant: AECC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Mengqiu Guo, Haoliang Tian, Changliang Wang, Zhihui Tang, Yang Yu, Yongjing Cui, Junguo Gao, Zimin Zhou, Tianying Wang, Ang Zhang
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Publication number: 20210388506Abstract: A method for producing an abrasion-resistant coating on the inner wall of an aluminum alloy workpiece is provide. The steps include mixing a graphene powder and Al powder to obtain a mixed powder; combining and heating the mixed power with a polyvinyl alcohol (PVA) liquid, and performing spray granulation to obtain a low-temperature self-propagating composite; stirring a slurry comprising the low-temperature self-propagating composite and sodium silicate; injecting the slurry into a cylindrical inner cavity of an aluminum alloy workpiece mounted on a horizontal rotary table for rotation, the aluminum alloy workpiece is heated with the rotation at a second temperature of 80-100° C. so that the slurry is uniformly solidified on the cylindrical inner surface of the cylindrical inner cavity; and burning the slurry, after the slurry is uniformly solidified and while the rotation is maintained, with an oxyacetylene flame to form the wear-resistant coating.Type: ApplicationFiled: June 17, 2020Publication date: December 16, 2021Applicant: AECC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Haoliang Tian, Yang Yu, Changliang Wang, Mengqiu Guo, Zimin Zhou, Zhihui Tang, Ang Zhang, Yongjing Cui, Tianying Wang, Junguo Gao