Patents by Inventor Zhiyuan He
Zhiyuan He 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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Publication number: 20240143977Abstract: This application discloses a model training method, which may be applied to the field of artificial intelligence. The method includes: when training a first neural network model based on a training sample, determining N parameters from M parameters of the first neural network model based on a capability of affecting data processing precision by each parameter; and updating the N parameters. In this application, on a premise that it is ensured that the data processing precision of the model meets a precision requirement, because only N parameters in M parameters in an updated first neural network model are updated, an amount of data transmitted from a training device to a terminal device can be reduced.Type: ApplicationFiled: October 27, 2023Publication date: May 2, 2024Inventors: Zhiyuan ZHANG, Xuancheng REN, Xu SUN, Bin HE, Li QIAN
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Publication number: 20240098328Abstract: Provided are a video processing method and apparatus, and a device and a storage medium. The method comprises: when it is detected that an editing reference track of a video to be processed moves out of a video editing window, displaying a mask in the video editing window, wherein the editing reference track comprises a video editing track and/or an audio editing track; and then displaying, on the mask, the editing reference track of said video, wherein the editing reference track displayed on the mask is used for assisting a user with editing said video in the video editing window.Type: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Inventors: Yan HE, Zhiyuan TAN, Hanxin MAI, Shaozu YU, Kun CAO
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Patent number: 11779373Abstract: A wearable robot for integrated fracture reduction and rehabilitation, comprising a proximal ring, a distal ring, six driving branch chains, motor driving device and manual driving device; the six driving branch chains are divided into two groups, each of them comprises a platform connecting sleeve, a sliding bearing, a bearing locking nut, a proximal Hooke hinge, an intermediate prismatic pair, a sleeve, a force sensor, and a distal Hooke hinge; one end of the driving branch chain is connected with the proximal ring by a connecting sleeve fastener, and the other end is connected with the distal ring by nut, each driving branch chain is connected with the driving devices via D-shaped shaft sleeve. The wearable robot has electric-manual dual model driving, and the branch chain can be quickly replaced during and after the operation.Type: GrantFiled: August 26, 2020Date of Patent: October 10, 2023Assignee: TIANJIN UNIVERSITYInventors: Tao Sun, Zhiyuan He, Panfeng Wang, Binbin Lian, Yimin Song
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Publication number: 20230278366Abstract: The present invention belongs to the technical field of electric automobiles and particularly relates to a fault tolerance decision-making method and system for sensor failure of a vehicular wheel hub driving system. The method comprises a current sensor failure diagnostic process, a position/velocity sensor failure diagnostic process and a selection process for a wheel hub motor fault tolerance control method. The system comprises a current sensor failure diagnostic module, a position/velocity sensor failure diagnostic module and a selection module for a wheel hub motor fault tolerance control method. The position/velocity sensor failure diagnostic module further comprises a fault tolerance control switching module.Type: ApplicationFiled: December 20, 2022Publication date: September 7, 2023Inventors: Zihui WANG, Weigong ZHAO, Zhiyuan HE, Jiongjiong CAI, Zhentao QIAN
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Publication number: 20230074130Abstract: The present invention discloses a wearable robot for integrated fracture reduction and rehabilitation, comprising a proximal ring, a distal ring, six driving branch chains, motor driving device and manual driving device; the six driving branch chains are divided into two groups, each of them comprises a platform connecting sleeve, a sliding bearing, a bearing locking nut, a proximal Hooke hinge, an intermediate prismatic pair, a sleeve, a force sensor, and a distal Hooke hinge; one end of the driving branch chain is connected with the proximal ring by a connecting sleeve fastener, and the other end is connected with the distal ring by nut, each driving branch chain is connected with the driving devices via D-shaped shaft sleeve. The present invention has electric-manual dual model driving, and the branch chain can be quickly replaced during and after the operation.Type: ApplicationFiled: August 26, 2020Publication date: March 9, 2023Inventors: Tao SUN, Zhiyuan HE, Panfeng WANG, Binbin LIAN, Yimin SONG
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Patent number: 11535779Abstract: Highly efficient, multi-functional anti-icing compositions and methods of their use are provided. Anti-icing compositions include hydrogels configured to form thin film coatings on various surfaces via spin coating under UV irradiation. Multifunctional anti-icing platforms are based on polydimethylsiloxane (PDMS)-grafted polyelectrolyte hydrogels. Methods for grafting hydrophobic polydimethylsiloxane (PDMS) chains onto a hydrophilic polyelectrolyte network containing various counterions, forming a multifunctional hybrid anti-icing hydrogel are also provided.Type: GrantFiled: February 25, 2021Date of Patent: December 27, 2022Assignee: The Regents of the University of CaliforniaInventors: Ximin He, Zhiyuan He
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Patent number: 11211790Abstract: A T-type DC circuit breaker includes a main branch, a first commutation switch, a second commutation switch, and a bypass branch. The first commutation switch and the second commutation switch are arranged at both ends of the main branch, respectively. The bypass branch is connected in parallel with the main branch. The main branch includes at least one half-controlled power electronic component. The bypass branch includes a bypass capacitor and a bypass diode connected in series. Each of the first commutation switch and the second commutation switch includes at least one fully-controlled power electronic component. The first commutation switch is connected in parallel with a first surge arrester, and the second commutation switch is connected in parallel with a second surge arrester. The grounded branch is arranged between the main branch and the second commutation switch and is grounded or connected to the negative terminal of the load.Type: GrantFiled: July 15, 2020Date of Patent: December 28, 2021Assignee: SICHUAN UNIVERSITYInventors: Shunliang Wang, Ji Shu, Tianqi Liu, Junpeng Ma, Hui Pang, Zhiyuan He
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Publication number: 20210336435Abstract: A T-type DC circuit breaker includes a main branch, a first commutation switch, a second commutation switch, and a bypass branch. The first commutation switch and the second commutation switch are arranged at both ends of the main branch, respectively. The bypass branch is connected in parallel with the main branch. The main branch includes at least one half-controlled power electronic component. The bypass branch includes a bypass capacitor and a bypass diode connected in series. Each of the first commutation switch and the second commutation switch includes at least one fully-controlled power electronic component. The first commutation switch is connected in parallel with a first surge arrester, and the second commutation switch is connected in parallel with a second surge arrester. The grounded branch is arranged between the main branch and the second commutation switch and is grounded or connected to the negative terminal of the load.Type: ApplicationFiled: July 15, 2020Publication date: October 28, 2021Applicant: Sichuan UniversityInventors: Shunliang WANG, Ji SHU, Tianqi LIU, Junpeng MA, Hui PANG, Zhiyuan HE
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Publication number: 20210261838Abstract: Highly efficient, multi-functional anti-icing compositions and methods of their use are provided. Anti-icing compositions include hydrogels configured to form thin film coatings on various surfaces via spin coating under UV irradiation. Multifunctional anti-icing platforms are based on polydimethylsiloxane (PDMS)-grafted polyelectrolyte hydrogels. Methods for grafting hydrophobic polydimethylsiloxane (PDMS) chains onto a hydrophilic polyelectrolyte network containing various counterions, forming a multifunctional hybrid anti-icing hydrogel are also provided.Type: ApplicationFiled: February 25, 2021Publication date: August 26, 2021Applicant: The Regents of the University of CaliforniaInventors: Ximin He, Zhiyuan He
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Patent number: 10756535Abstract: A combined direct current circuit breaker includes a transfer branch, an energy absorption branch, at least two primary branches and at least two secondary branches; the transfer branch is connected in parallel with the energy absorption branch; the primary branches are in one-to-one correspondence with the second branches; the primary branches are connected with direct current outgoing lines of a direct current busbar in a high-voltage direct current power transmission system; the secondary branches are connected in series with the transfer branches and then connected in parallel with two ends of the primary branches corresponding to the secondary branches.Type: GrantFiled: May 22, 2017Date of Patent: August 25, 2020Assignees: GLOBAL ENERGY INTERCONNECTION RES. INST. CO., LTD., STATE GRID CORPORATION OF CHINAInventors: Guangfu Tang, Zhiyuan He, Wandi Zhou, Xiaoguang Wei, Sheng Zhang, Yan Zhao, Xiang Luo, Pengzhi Li
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Publication number: 20190006838Abstract: A combined direct current circuit breaker includes a transfer branch, an energy absorption branch, at least two primary branches and at least two secondary branches; the transfer branch is connected in parallel with the energy absorption branch; the primary branches are in one-to-one correspondence with the second branches; the primary branches are connected with direct current outgoing lines of a direct current busbar in a high-voltage direct current power transmission system; the secondary branches are connected in series with the transfer branches and then connected in parallel with two ends of the primary branches corresponding to the secondary branches.Type: ApplicationFiled: May 22, 2017Publication date: January 3, 2019Inventors: Guangfu Tang, Zhiyuan He, Wandi Zhou, Xiaoguang Wei, Sheng Zhang, Yan Zhao, Xiang Luo, Pengzhi Li
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Publication number: 20180170117Abstract: The present invention discloses a tire tread pattern provided with an anti-stone structure. The tread pattern is composed of an annular groove that is continuous along the circumferential direction and a pattern block, the annular groove is defined by a discontinuous first chamfered edge, a first polygonal surface parallel to the tread is arranged at a portion in the annular groove that is concave relative to the first chamfered edge, a second chamfered edge and a third chamfered edge of the first polygonal surface separately extend along the groove bottom direction to form two second polygonal surfaces, the two second polygonal surfaces and the first polygonal surface share a vertex S; and a groove bottom vein of the annular groove is zigzag along the circumferential direction.Type: ApplicationFiled: December 15, 2017Publication date: June 21, 2018Applicant: AEOLUS TYRE CO.,LTD.Inventors: Qingnian WANG, Qianqing LIANG, Jing ZHOU, Yong LIU, Junbo WANG, Zhiyuan HE
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Patent number: 9659114Abstract: The present invention relates to a real time dynamic physics simulation device of flexible DC transmission system. The device includes simulated converter transformer, simulated AC field, simulated DC field, simulated converter reactor, simulated converter, and measurement and control cabinet chassis; the simulated AC field includes the vacuum switch I, the contactor I, resistors and the vacuum switch II connected orderly; the simulated DC field includes successively connected the vacuum switch contactor III and II; the simulated AC field is connected with said measurement and control cabinet chassis; Said converter transformer is set between said resistors and said vacuum switch II; Said simulated converter reactors and said simulated converter connected are set between the vacuum switch II and the vacuum switch III.Type: GrantFiled: November 29, 2011Date of Patent: May 23, 2017Assignees: STATE GRID CORPORATION OF CHINA, CHINA ELECTRIC POWER RESEARCH INSTITUTEInventors: Zhiyuan He, Dong Liu, Yan Zhao, Yuefeng Yang, Renqiu Wang
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Patent number: 9373950Abstract: The invention relates to Modular multilevel converter valve protection method, the modular multilevel converter valve consists of 6 arms, the arm includes sub modules, 1 arm is controlled by 1 control host, 6 control hosts is controlled by 1 summary control host, the method of the invention includes that the arm realizes locking sub module, bypass sub module, trip requests and system switching request and the summary control host implements summary and control response. The invention improves the reliability of two protection system through the use of dual redundancy protection method, clears the protection division through the layered protection frame of the upper summary control host and multi arm control host. And finally, it improves the whole safety and reliability of the modular multilevel converter valve.Type: GrantFiled: November 29, 2011Date of Patent: June 21, 2016Assignees: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE, STATE GRID CORPORATION OF CHINA, CHINA-EPRI ELECTRIC POWER ENGINEERING CO., LTD, CHINA ELECTRIC POWER RESEARCH INSTITUTEInventors: Yang Gao, Yuefeng Yang, Renqiu Wang, Zhiyuan He, Xinggang Zhang, Minhua Xie
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Patent number: 9373995Abstract: The present invention relates to a basic function unit of voltage source converter, which is characterized in that the basic function unit includes a switching device function module, a by-pass function module, a switch protection function module, a secondary control and protection function module, and a energy storage unit. The secondary control and protection function module, the energy storage unit and the by-pass function module are all fixed on the motherboard, there is a slide rail at the bottom of the motherboard, the motherboard can move back and forth on the slide rail. The voltage source converter based on that unit is highly modular, insensitive to switch device parameters, lower output voltage change rate, and smaller dv/dt stress of equipment, smaller noise, without filter, convenient installation and maintenance.Type: GrantFiled: October 31, 2011Date of Patent: June 21, 2016Assignees: CHINA ELECTRIC POWER RESEARCH INSTITUTE, STATE GRID CORPORATION OF CHINAInventors: Guangfu Tang, Zhiyuan He, Hongzhou Luan, Qiang Li, Yunpeng Li
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Publication number: 20140129195Abstract: The present invention relates to a real time dynamic physics simulation device of flexible DC transmission system. The device includes simulated converter transformer, simulated AC field, simulated DC field, simulated converter reactor, simulated converter, and measurement and control cabinet chassis; the simulated AC field includes the vacuum switch I, the contactor I, resistors and the vacuum switch II connected orderly; the simulated DC field includes successively connected the vacuum switch contactor III and II; the simulated AC field is connected with said measurement and control cabinet chassis; Said converter transformer is set between said resistors and said vacuum switch II; Said simulated converter reactors and said simulated converter connected are set between the vacuum switch II and the vacuum switch III.Type: ApplicationFiled: November 29, 2011Publication date: May 8, 2014Applicants: STATE GRID CORPORATION OF CHINA, CHINA ELECTRIC POWER RESEARCH INSTITUTEInventors: Zhiyuan He, Dong Liu, Yan Zhao, Yuefeng Yang, Renqiu Wang
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Publication number: 20140002048Abstract: The present invention relates to Voltage balancing control method for modular multilevel converter is characterized that, it includes some steps as follows: 1) Determine the leg current direction is positive or negative; 2) Find out the highest sub module on output state whose capacitor voltage amplitude is the maximum, and find out that on bypass state whose capacitor voltage amplitude is the minimum; 3) Determine whether the sub module inputs or bypass operation; this method avoided switching arbitrariness of the sub module, and decreased the switching frequency of the sub module. The capacitor voltage balancing control of the sub module proposed by the method is more suitable to be applied in the field of high voltage and large capacity converter that has large numbers of sub modules.Type: ApplicationFiled: October 31, 2011Publication date: January 2, 2014Applicant: CHINA ELECTRIC POWER RESEARCH INSTITUTEInventors: Hui Pang, Zhiyuan He, Yan Zhao, Chunming Yuan, Dong Liu, Wenjin Li
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Publication number: 20140002933Abstract: The invention relates to Modular multilevel converter valve protection method, the modular multilevel converter valve consists of 6 arms, the arm includes sub modules, 1 arm is controlled by 1 control host, 6 control hosts is controlled by 1 summary control host, the method of the invention includes that the arm realizes locking sub module, bypass sub module, trip requests and system switching request and the summary control host implements summary and control response. The invention improves the reliability of two protection system through the use of dual redundancy protection method, clears the protection division through the layered protection frame of the upper summary control host and multi arm control host. And finally, it improves the whole safety and reliability of the modular multilevel converter valve.Type: ApplicationFiled: November 29, 2011Publication date: January 2, 2014Applicants: STATE GRID CORPORATION OF CHINA, CHINA ELECTRIC POWER RESEARCH INSTITUTEInventors: Yang Gao, Yuefeng Yang, Renqiu Wang, Zhiyuan He, Xinggang Zhang, Minhua Xie
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Publication number: 20130314956Abstract: The present invention relates to a basic function unit of voltage source converter, which is characterized in that the basic function unit includes a switching device function module, a by-pass function module, a switch protection function module, a secondary control and protection function module, and a energy storage unit. The secondary control and protection function module, the energy storage unit and the by-pass function module are all fixed on the motherboard, there is a slide rail at the bottom of the motherboard, the motherboard can move back and forth on the slide rail. The voltage source converter based on that unit is highly modular, insensitive to switch device parameters, lower output voltage change rate, and smaller dv/dt stress of equipment, smaller noise, without filter, convenient installation and maintenance.Type: ApplicationFiled: October 31, 2011Publication date: November 28, 2013Applicants: STATE GRID CORPORATION OF CHINA, CHINA ELECTRIC POWER RESEARCH INSTITUTEInventors: Guangfu Tang, Zhiyuan He, Hongzhou Luan, Qiang Li, Yunpeng Li
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Patent number: D870028Type: GrantFiled: February 8, 2018Date of Patent: December 17, 2019Assignee: AEOLUS TYRE CO., LTD.Inventors: Qingnian Wang, Qianqing Liang, Yongliang Zheng, Chengli Lu, Zhiyuan He, Yong Liu