Patents by Inventor Yidong Zhang
Yidong 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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Publication number: 20240119114Abstract: A matrix multiplier includes an operation circuit and a controller. The operation circuit is coupled to the controller. The controller is configured to control the operation circuit to reuse a left fractal matrix Asr in n consecutive clock cycles, and control the operation circuit to use a right fractal matrix Brt in n right fractal matrices in each of the n consecutive clock cycles. The operation circuit is configured to multiply, in each of the n consecutive clock cycles, the left fractal matrix by the right fractal matrix in the n right fractal matrices to obtain n matrix operation results.Type: ApplicationFiled: October 25, 2023Publication date: April 11, 2024Inventors: Chun Hang Lee, Mingke Li, Yidong Zhang
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Patent number: 11935137Abstract: A method for distributing an equity reward for federated learning based on an equity theory includes the following steps: applying Adams' equity theory to federated learning, analyzing, by a participant, all factors invested in a federated task comprehensively, then giving an expected reward for this task, calculating, by the task publisher, the reputation of the participant; participating, by the participant, in each round of a training task using a local data to evaluate data contribution, model contribution, and a waiting-time allowance of the participant, then combining contribution results of the three factors to evaluate the contribution of the participant; after a global model converges, dynamically adjusting weights of the three factors according to an objective function of the equity reward, with a goal that an actual reward of the participant is as close as possible to the expected reward, and obtaining and distributing the actual reward of the participant.Type: GrantFiled: July 24, 2023Date of Patent: March 19, 2024Assignee: BEIJING JIAOTONG UNIVERSITYInventors: Wei Wang, Guorong Chen, Pengrui Liu, Xiaoting Lyu, Xiangrui Xu, Chao Li, Li Duan, Dawei Zhang, Jiqiang Liu, Yi Jin, Yidong Li
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Publication number: 20240043247Abstract: A high-precision positioning system for a monorail hoist in a mine includes two gear carriers symmetrically arranged on both sides of an I-beam track. Each of the gear carriers includes a positioning wheel and a plurality of travelling wheels. The travelling wheels are travelling on an upper end face of a bottom plate of the I-beam track, and the positioning wheel is in engagement transmission with a rack at a lower end of the bottom plate of the I-beam track. The gear carriers include an installation bracket and a connecting seat configured to connect the monorail hoist. The installation bracket includes an inertial measuring unit and a single-chip microcomputer that are electrically connected with each other. The positioning wheel includes a rotation angle sensor and the rotation angle sensor is electrically connected to the single-chip microcomputer. A headstock at both ends of the monorail hoist includes a coordinate updating unit.Type: ApplicationFiled: September 30, 2022Publication date: February 8, 2024Inventors: Hao LU, Zhencai ZHU, Yidong ZHANG, Yuxing PENG, Yu TANG, Hua CHEN, Zaigang XU, Mingzhong WANG, Mai DU, Hengzhen HU, Fuping ZHENG
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Publication number: 20240033706Abstract: The present application provides a continuous preparation system and method for vinylidene chloride. In the present application, by coupling two stages of high gravity reactors, the product vinylidene chloride and water vapor are distilled from a reaction system in form of an azeotrope by adopting a water vapor steam stripping method, and the product obtained using the method has high purity. In addition, by combining steam stripping and high gravity, trichloroethane and alkali solution are rapidly mixed for mass transfer, and the product vinylidene chloride is rapidly distilled from the reaction system in form of the azeotrope (based on rapid diffusion of water vapor), such that the reaction proceeds continuously towards the direction of producing vinylidene chloride, thus significantly improving the conversion rate.Type: ApplicationFiled: December 24, 2021Publication date: February 1, 2024Inventors: Liangliang ZHANG, Liyang ZHOU, Guangwen CHU, Jinyuan LIN, Jihong TONG, Jianfeng CHEN, Yidong ZHANG, Zhigang WU, Yunfei YU
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Patent number: 11880208Abstract: A method for drivable area detection and autonomous obstacle avoidance of unmanned haulage equipment in deep confined spaces is disclosed, which includes the following steps: acquiring 3D point cloud data of a roadway; computing a 2D image drivable area of the coal mine roadway; acquiring a 3D point cloud drivable area of the coal mine roadway; establishing a 2D grid map and a risk map, and performing autonomous obstacle avoidance path planning by using a particle swarm path planning method designed for deep confined roadways; and acquiring an optimal end point to be selected of a driving path by using a greedy strategy, and enabling an unmanned auxiliary haulage vehicle to drive according to the optimal end point and an optimal path. Images of a coal mine roadway are acquired actively by use of a single-camera sensor device.Type: GrantFiled: February 23, 2022Date of Patent: January 23, 2024Assignee: CHINA UNIVERSITY OF MINING AND TECHNOLOGYInventors: Chunyu Yang, Zhencai Zhu, Yidong Zhang, Xin Zhang, Zhen Gu, Qingguo Wang
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Patent number: 11861010Abstract: An integrated circuit can include a communication endpoint configured to maintain a communication link with a host computer, a queue configured to receive a plurality of host commands from the host computer via the communication link, and a processor configured to execute a device runtime. The processor, responsive to executing the device runtime, is configured to perform validation of the host commands read from the queue and selectively execute the host commands based on a result of the validation on a per host command basis. The host commands are executable by the processor to manage functions of the integrated circuit. The queue is implemented in a region of memory that is shared by the integrated circuit and the host computer.Type: GrantFiled: February 14, 2022Date of Patent: January 2, 2024Assignee: Xilinx, Inc.Inventors: Sonal Santan, Yu Liu, Yenpang Lin, Lizhi Hou, Cheng Zhen, Yidong Zhang
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Publication number: 20230348238Abstract: The present disclosure belongs to the technical field of mining equipment, and in particular related to an automatic driving system of a monorail hoist driven based on a digital twin and a method thereof. The system includes a railroad switch sensor module, a positioning system module, a data transferring system, an intelligent control system, a digital twin system and an automatic driving module. The railroad switch sensor module is configured to sense the connection-position state of a movable track in a monorail hoist railroad switch track. The data transferring system is configured to transmit the data on the surface and underground. A bidirectional transmission is performed between the intelligent control system and the railroad switch sensor module, a bidirectional transmission is performed between the intelligent control system and the positioning system module, and a bidirectional transmission is performed between the digital twin system and the intelligent control system.Type: ApplicationFiled: March 4, 2022Publication date: November 2, 2023Applicants: China University of Mining and Technology, Xuzhou Liren Monorail Transportation Equipment Co., Ltd.Inventors: Zhencai ZHU, Hao LU, Yidong ZHANG, Hengzhen HU, Fuping ZHENG, Yu TANG, Kang XU, Yuzhu ZHANG
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Publication number: 20230303130Abstract: A series-parallel monorail hoist based on an oil-electric hybrid power and a controlling method thereof. The monorail hoist includes a cabin, a hydraulic driving system, a lifting beam, a gear track driving and energy storage system, and a speed adaptive control system connected in series with each other and travelling on a track. The monorail hoist is capable of implementing an independent drive by an electric motor or a diesel engine in an endurance mode, a hybrid drive of the electric motor and the diesel engine in a transportation mode, and a hybrid drive of the diesel engine and a flywheel energy storage system in a climbing mode, according to different operating conditions that include conditions of an upslope, a downslope and a load. Power requirements for the monorail hoist under various operating conditions are satisfied, and the excess energy is recovered during the process of travelling.Type: ApplicationFiled: September 30, 2022Publication date: September 28, 2023Inventors: Hao LU, Zhencai ZHU, Yidong ZHANG, Hua CHEN, Zaigang XU, Mingzhong WANG, Mai DU, Hengzhen HU, Fuping ZHENG
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Publication number: 20230305572Abstract: A method for drivable area detection and autonomous obstacle avoidance of unmanned haulage equipment in deep confined spaces is disclosed, which includes the following steps: acquiring 3D point cloud data of a roadway; computing a 2D image drivable area of the coal mine roadway; acquiring a 3D point cloud drivable area of the coal mine roadway; establishing a 2D grid map and a risk map, and performing autonomous obstacle avoidance path planning by using an improved particle swarm path planning method designed for deep confined roadways; and acquiring an optimal end point to be selected of a driving path by using a greedy strategy, and enabling an unmanned auxiliary haulage vehicle to drive according to the optimal end point and an optimal path.Type: ApplicationFiled: February 23, 2022Publication date: September 28, 2023Inventors: Chunyu YANG, Zhencai ZHU, Yidong ZHANG, Xin ZHANG, Zhen GU
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Patent number: 11738973Abstract: A gear-track-detachable driving device in a monorail crane for a steep slope includes a driving mechanism, a traveling mechanism, a four-bar linkage mechanism, a connection mechanism, a meshing track plate and transition track plates. The driving mechanism includes driving motors, meshing gears, a bearing rod, and a bearing plate. The traveling mechanism includes traveling wheels, clamping wheels, a shell and telescopic struts. The linkage mechanism includes first and second rockers, a linkage, and a cylinder. The connection mechanism includes fixation plates, a connection plate and connection bolts. When the crane travels to the slope front, the cylinder drives the linkage mechanism to send the meshing gears onto the transition track and adjusts the linkage mechanism into a dead point state, and the telescopic struts are locked. After the crane enters the slope, the meshing gears cooperate with the meshing track plate to provide an auxiliary drive for the crane.Type: GrantFiled: March 25, 2022Date of Patent: August 29, 2023Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, XUZHOU LIREN MONORAIL TRANSPORTATION EQUIPMENT CO., LTD.Inventors: Hao Lu, Zhencai Zhu, Yidong Zhang, Yuxing Peng, Mai Du, Hengzhen Hu, Fuping Zheng, Yu Tang
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Publication number: 20230259627Abstract: An integrated circuit can include a communication endpoint configured to maintain a communication link with a host computer, a queue configured to receive a plurality of host commands from the host computer via the communication link, and a processor configured to execute a device runtime. The processor, responsive to executing the device runtime, is configured to perform validation of the host commands read from the queue and selectively execute the host commands based on a result of the validation on a per host command basis. The host commands are executable by the processor to manage functions of the integrated circuit. The queue is implemented in a region of memory that is shared by the integrated circuit and the host computer.Type: ApplicationFiled: February 14, 2022Publication date: August 17, 2023Applicant: Xilinx, Inc.Inventors: Sonal Santan, Yu Liu, Yenpang Lin, Lizhi Hou, Cheng Zhen, Yidong Zhang
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Patent number: 11691854Abstract: A bidirectional anti-slipping apparatus includes a vehicle following stabilizing mechanism, a track, and two front and rear sets of locking mechanisms with opposite directions. The vehicle following stabilizing mechanism includes a protective shell, a middle vehicle capable of sliding and a hydraulic cylinder configured to control the middle vehicle to slide are arranged in the protective shell, a front vehicle and a rear vehicle are respectively fixed at two front and rear ends of the protective shell. Each locking mechanism includes two left and right groups of ratchet devices, each of the ratchet devices includes a fixing rod, a plurality of inner ratchet wheels capable of rotating unidirectionally are respectively fixed at two ends of the fixing rod on one side of the fixing rod proximate to the track, the inner ratchet wheels on the two front and rear sets of locking mechanisms rotate in opposite directions.Type: GrantFiled: January 20, 2023Date of Patent: July 4, 2023Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, XUZHOU LIREN MONORAIL TRANSPORTATION EQUIPMENT CO., LTD.Inventors: Hao Lu, Zhencai Zhu, Yidong Zhang, Yuxing Peng, Mai Du, Hengzhen Hu, Fuping Zheng, Yu Tang
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Publication number: 20230192453Abstract: A gear-track-detachable driving device in a monorail crane for a steep slope includes a driving mechanism, a traveling mechanism, a four-bar linkage mechanism, a connection mechanism, a meshing track plate and transition track plates. The driving mechanism includes driving motors, meshing gears, a bearing rod, and a bearing plate. The traveling mechanism includes traveling wheels, clamping wheels, a shell and telescopic struts. The linkage mechanism includes first and second rockers, a linkage, and a cylinder. The connection mechanism includes fixation plates, a connection plate and connection bolts. When the crane travels to the slope front, the cylinder drives the linkage mechanism to send the meshing gears onto the transition track and adjusts the linkage mechanism into a dead point state, and the telescopic struts are locked. After the crane enters the slope, the meshing gears cooperate with the meshing track plate to provide an auxiliary drive for the crane.Type: ApplicationFiled: March 25, 2022Publication date: June 22, 2023Inventors: Hao LU, Zhencai ZHU, Yidong ZHANG, Yuxing PENG, Mai DU, Hengzhen HU, Fuping ZHENG, Yu TANG
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Publication number: 20230150799Abstract: A bidirectional anti-slipping apparatus includes a vehicle following stabilizing mechanism, a track, and two front and rear sets of locking mechanisms with opposite directions. The vehicle following stabilizing mechanism includes a protective shell, a middle vehicle capable of sliding and a hydraulic cylinder configured to control the middle vehicle to slide are arranged in the protective shell, a front vehicle and a rear vehicle are respectively fixed at two front and rear ends of the protective shell. Each locking mechanism includes two left and right groups of ratchet devices, each of the ratchet devices includes a fixing rod, a plurality of inner ratchet wheels capable of rotating unidirectionally are respectively fixed at two ends of the fixing rod on one side of the fixing rod proximate to the track, the inner ratchet wheels on the two front and rear sets of locking mechanisms rotate in opposite directions.Type: ApplicationFiled: January 20, 2023Publication date: May 18, 2023Inventors: Hao LU, Zhencai ZHU, Yidong ZHANG, Yuxing PENG, Mai DU, Hengzhen HU, Fuping ZHENG, Yu TANG
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Patent number: 9983970Abstract: Utilities (e.g., methods, systems, apparatuses, etc.) for use in automatically identifying improper physical connections in storage networks and recommending particular actions (e.g., changes to existing physical connections) that seek to ensure symmetric and redundant connections from a data host through all associated storage enclosures and reduce the likelihood that single failures prevent access to storage system data.Type: GrantFiled: April 6, 2016Date of Patent: May 29, 2018Assignee: Oracle International CorporationInventors: Stephen Brooks, Gavin Gibson, Sudha Verma, Yidong Zhang, Robert Johnston, Todd McKenney, Pascal Ledru, Christopher Horne, Stephen Hanson
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Publication number: 20170293545Abstract: Utilities (e.g., methods, systems, apparatuses, etc.) for use in automatically identifying improper physical connections in storage networks and recommending particular actions (e.g., changes to existing physical connections) that seek to ensure symmetric and redundant connections from a data host through all associated storage enclosures and reduce the likelihood that single failures prevent access to storage system data.Type: ApplicationFiled: April 6, 2016Publication date: October 12, 2017Inventors: Stephen Brooks, Gavin Gibson, Sudha Verma, Yidong Zhang, Robert Johnston, Todd McKenney, Pascal Ledru, Christopher Horne, Stephen Hanson
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Patent number: D1000272Type: GrantFiled: November 12, 2021Date of Patent: October 3, 2023Assignee: ZHEJIANG ORIENT GENE BIOTECH CO., LTDInventors: Jianqiu Fang, Yidong Zhang, Fuqiang Yan
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Patent number: D1015138Type: GrantFiled: November 12, 2021Date of Patent: February 20, 2024Assignee: ZHEJIANG ORIENT GENE BIOTECH CO., LTDInventors: Jianqiu Fang, Yidong Zhang, Fuqiang Yan