Patents by Inventor Qinghua Guo
Qinghua Guo 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: 20240167453Abstract: Provided are modeling method and device of a floating wind turbine, which relate to the technical field of wind turbine modeling. The modeling method and device of a floating wind turbine can acquire pre-set state variables and input variables of the floating wind turbine, construct a nonlinear model based on the state variables and the input variables, and establish a control-oriented linear parameter varying model corresponding to the nonlinear model according to the nonlinear model, so as to control the floating wind turbine based on the control-oriented linear parameter varying model. The nonlinear model comprises: a drivetrain subsystem model, a tower subsystem model, a floating platform subsystem model, and a mooring subsystem model.Type: ApplicationFiled: April 6, 2023Publication date: May 23, 2024Inventors: Fang FANG, Ziqiu SONG, Yang HU, Jizhen LIU, Xiaojiang GUO, Qinghua WANG, Jiantao ZHENG
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Publication number: 20240159215Abstract: A fault-tolerant control method and apparatus of a floating wind turbine are provided. The fault-tolerant control method and apparatus of a floating wind turbine can acquire a low-order nonlinear model of a pre-established floating wind turbine, establish a switching linear model of the floating wind turbine based on the low-order nonlinear model, acquire a modal parameter of the current floating wind turbine, and determine based on the modal parameter a sub-model that the floating wind turbine currently satisfies, so as to establish a switching sliding mode surface and a full-order state observer of the floating wind turbine based on the sub-model and the modal parameter, and further calculate a feedback output of a controller of the floating wind turbine according to the switching sliding mode surface and the full-order state observer.Type: ApplicationFiled: August 15, 2023Publication date: May 16, 2024Inventors: Ziqiu Song, Yang Hu, Fang Fang, Jizhen Liu, Xiaojiang Guo, Qinghua Wang, Jin Ju
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Publication number: 20240146059Abstract: A multistage energy utilization system based on electricity-heat-hydrogen-methane coupling is connected with a power grid, a heat-supply network and a gas-supply network. The system includes a renewable energy resource module, a hydrogen energy storage module, a heat storage module, a gas fired-boiler module, a methane reactor module and a carbon capture and storage (CCS) module. The renewable energy resource module is connected with the power grid and the hydrogen energy storage module. The hydrogen energy storage module is connected with the power grid, the heat-supply network and the methane reactor module. The methane reactor module is connected with the hydrogen energy storage module, the CCS module and the gas-supply network. The gas fired-boiler module is connected with the gas-supply network. The hydrogen energy storage module, the CCS module and the methane reactor module are integrated to improve energy utilization and consumption level of renewable energy resources.Type: ApplicationFiled: January 8, 2024Publication date: May 2, 2024Inventors: Jiehui ZHENG, Jiongcheng GUO, Zhigang LI, Qinghua WU
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Patent number: 11959455Abstract: Provided are control method and device of an energy-storage coordinated floating wind turbine, relating to the technical field of wind turbines. The control method of an energy-storage coordinated floating wind turbine can construct a primary frequency regulation model of a floating wind farm based on a frequency response unit, construct a second frequency regulation model according to an energy storage system, further construct, according to the primary frequency regulation model and the second frequency regulation model, a frequency regulation model of a hybrid power system containing the floating wind farm, the energy storage system, and a pre-set thermal power unit, and design an overall frequency regulation control strategy of the hybrid power system based on the frequency regulation model of the hybrid power system.Type: GrantFiled: April 6, 2023Date of Patent: April 16, 2024Assignees: NORTH CHINA ELECTRIC POWER UNIVERSITY, HUANENG GROUP R &D CENTER CO LTDInventors: Yang Hu, Ziqiu Song, Fang Fang, Jizhen Liu, Xiaojiang Guo, Qinghua Wang, Heng Ge
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Patent number: 11957002Abstract: An array substrate, a preparing method thereof, a display panel and a display apparatus are disclosed. The array substrate includes: a base substrate (1); a driving circuit structure (2) on the base substrate (1); a planarization layer (3) and a plurality of electrode structures (4) successively located on a side, facing away from the base substrate (1), of the driving circuit structure (2); insulation structures (5) in gap areas between adjacent electrode structures (4); and pixel defining structures (6) on a side, facing away from the base substrate (1), of the insulation structures (5). The thickness of the insulation structures (5) is not smaller than the thickness of the electrode structures (4). An orthographic projection of the pixel defining structures (6) on the base substrate (1) at least completely covers the insulation structures (5).Type: GrantFiled: December 29, 2020Date of Patent: April 9, 2024Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Li, Jingjing Xia, Bin Zhou, Shengping Du, Yang Zhang, Wei Song, Qinghua Guo
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Patent number: 11903262Abstract: A display panel includes a substrate, and a pixel defining layer and a cathode layer that are laminated on the substrate. The pixel defining layer includes a plurality of strip-shaped first pixel defining structures and a plurality of strip-shaped second pixel defining structures. A slope angle of the second pixel defining structure is greater than a slope angle of the first pixel defining structure, and the second pixel defining structure is configured to separate portions of the cathode layer on two sides of the second pixel defining structure.Type: GrantFiled: June 9, 2021Date of Patent: February 13, 2024Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Li, Bin Zhou, Shengping Du, Qinghua Guo, Tao Sun, Wei Song, Liangchen Yan
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Publication number: 20230363207Abstract: An array substrate, a preparing method thereof, a display panel and a display apparatus are disclosed. The array substrate includes: a base substrate (1); a driving circuit structure (2) on the base substrate (1); a planarization layer (3) and a plurality of electrode structures (4) successively located on a side, facing away from the base substrate (1), of the driving circuit structure (2); insulation structures (5) in gap areas between adjacent electrode structures (4); and pixel defining structures (6) on a side, facing away from the base substrate (1), of the insulation structures (5). The thickness of the insulation structures (5) is not smaller than the thickness of the electrode structures (4). An orthographic projection of the pixel defining structures (6) on the base substrate (1) at least completely covers the insulation structures (5).Type: ApplicationFiled: December 29, 2020Publication date: November 9, 2023Inventors: Wei LI, Jingjing XIA, Bin ZHOU, Shengping DU, Yang ZHANG, Wei SONG, Qinghua GUO
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Publication number: 20220246709Abstract: The present disclosure provides an OLED display substrate, a method for preparing the same, and a flexible display device, and belongs to the technical field of display. The OLED display substrate includes a base substrate, and a thin film transistor, a first electrode and a light emitting layer sequentially arranged on the base substrate, the thin film transistor including an active layer, in which the OLED display substrate further includes a light shielding layer arranged between the active layer and the first electrode, and the light shielding layer also serves as an insulating layer of the OLED display substrate. The technical solution of the present disclosure is capable of ensuring the display effect of the display device.Type: ApplicationFiled: April 15, 2021Publication date: August 4, 2022Inventors: Wei LI, Jingjing XIA, Bin ZHOU, Tongshang SU, Qinghua GUO
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Publication number: 20210408183Abstract: A display panel includes a substrate, and a pixel defining layer and a cathode layer that are laminated on the substrate. The pixel defining layer includes a plurality of strip-shaped first pixel defining structures and a plurality of strip-shaped second pixel defining structures. A slope angle of the second pixel defining structure is greater than a slope angle of the first pixel defining structure, and the second pixel defining structure is configured to separate portions of the cathode layer on two sides of the second pixel defining structure.Type: ApplicationFiled: June 9, 2021Publication date: December 30, 2021Inventors: Wei Li, Bin Zhou, Shengping Du, Qinghua Guo, Tao Sun, Wei Song, Liangchen Yan
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Patent number: 9481839Abstract: A hot oxygen nozzle and uses thereof in a gasifier, the hot oxygen nozzle comprising an outer-ring spout, a middle-ring spout, an inner-ring spout, and a central spout all sequentially and coaxially disposed, and a cooling system; the gasifier is an entrained-flow gasifier provided with one or more nozzles on a certain plane or a plurality of planes at the top or on the periphery of the gasifier body. The nozzle has a simple structure and is easy to make and maintain. A fuel gas passage is disposed inside the nozzle. Oxygen can be heated by a combustion of fuel gas; and high-temperature and high-speed oxygen can directly ignite carbonaceous materials such as coal-water slurry and coke-oven gas. The present invention can be applied in a gasifier and then in the final process of synthesis gas preparation.Type: GrantFiled: November 26, 2013Date of Patent: November 1, 2016Assignees: PRAXAIR TECHNOLOGY, INC., EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Qinghua Guo, Tao Wang, Zhenghua Dai, Guangsuo Yu, Xin Gong, Fuchen Wang, Haifeng Liu, Yifei Wang, William J. Mahoney, Sabuj Halder, Yi Ma, Jie Zhang, Zhijie Zhou, Robert J. Churpita, Christopher Herby, William Jeffrey Wilson, Zhuoyong Yan
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Publication number: 20150218470Abstract: A hot oxygen nozzle and uses thereof in a gasifier, the hot oxygen nozzle comprising an outer-ring spout, a middle-ring spout, an inner-ring spout, and a central spout all sequentially and coaxially disposed, and a cooling system; the gasifier is an entrained-flow gasifier provided with one or more nozzles on a certain plane or a plurality of planes at the top or on the periphery of the gasifier body. The nozzle has a simple structure and is easy to make and maintain. A fuel gas passage is disposed inside the nozzle. Oxygen can be heated by the combustion of fuel gas; and high-temperature and high-speed oxygen can directly ignite carbonaceous materials such as coal water slurry and coke oven gas. The present invention can be applied in a gasifier and then in the final process of synthesis gas preparation.Type: ApplicationFiled: November 26, 2013Publication date: August 6, 2015Inventors: Qinghua Guo, Tao Wang, Zhenghua Dai, Guangsuo Yu, Xin Gong, Fuchen Wang, Haifeng Liu, Yifei Wang, William J. Mahoney, Sabuj Halder, Yi Ma, Jie Zhang, Zhijie Zhou, Robert J. Churpita, Christopher Herby, Jeffrey Wilson, Zhuoyong Yan