Patents by Inventor QIXIN CHEN
QIXIN CHEN 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: 11544803Abstract: A method for controlling a portable energy storage system (PESS) includes: creating a decision optimization model for the PESS, which includes an objective function for maximizing available compensation of the PESS in the region to be applied; solving the decision optimization model to obtain a feasible solution that meets the objective function; and determining at least one of an energy charging and discharging decision, a travel decision, and an energy storage unit loading decision of the PESS in a region to be applied based on the feasible solution, and controlling operations of the PESS in the region to be applied based on at least one of the determined energy charging and discharging decision, the determined travel decision and the determined energy storage unit loading decision.Type: GrantFiled: September 30, 2021Date of Patent: January 3, 2023Assignee: TSINGHUA UNIVERSITYInventors: Guannan He, Qixin Chen, Da Zhang, Jay Whitacre
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Publication number: 20220366516Abstract: A method for controlling a portable energy storage system (PESS) includes: creating a decision optimization model for the PESS, which includes an objective function for maximizing available compensation of the PESS in the region to be applied; solving the decision optimization model to obtain a feasible solution that meets the objective function; and determining at least one of an energy charging and discharging decision, a travel decision, and an energy storage unit loading decision of the PESS in a region to be applied based on the feasible solution, and controlling operations of the PESS in the region to be applied based on at least one of the determined energy charging and discharging decision, the determined travel decision and the determined energy storage unit loading decision.Type: ApplicationFiled: September 30, 2021Publication date: November 17, 2022Inventors: Guannan HE, Qixin CHEN, Da ZHANG, Jay Whitacre
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Patent number: 11376274Abstract: A joint cavity injection preparation is provided. The active ingredient of the joint cavity injection preparation is deacetylated xanthan gum (XG). The deacetylated XG has a molecular weight of 500,000 to 20,000,000. The joint cavity injection preparation is prepared from deacetylated xanthan gum (XG), which has higher biocompatibility and safe wide-dosage range than existing joint cavity injection preparations prepared from XG.Type: GrantFiled: May 21, 2019Date of Patent: July 5, 2022Assignees: SHANDONG ACADEMY OF PHARMACEUTICAL SCIENCES, SHANDONG FREDA PHARMACEUTICAL GROUP CO., LTD.Inventors: Peixue Ling, Fei Liu, Huarong Shao, Lei Chen, Zhiyun Zhang, Xiaoyuan Zhang, Qixin Chen, Guanying Han, Yanling Cheng, Jianqiang Zhang, Daizhou Zhang
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Patent number: 11249120Abstract: The present disclosure provides a method and a device for detecting electricity theft, and a computer readable medium, smart meter data of each user and aggregated electricity consumption data are obtained during the detection period in the target area, a load profile set and non-technical loss data are obtained, and a correlation between each load profile in the load profile set and the non-technical loss data is obtained through a maximum information coefficient method and based on the smart meter data and the aggregated electricity consumption data, so as to obtain a correlation indicator for measuring the correlation.Type: GrantFiled: April 9, 2020Date of Patent: February 15, 2022Assignee: TSINGHUA UNIVERSITYInventors: Qixin Chen, Kedi Zheng, Yi Wang, Chongqing Kang, Qing Xia
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Publication number: 20210353662Abstract: A joint cavity injection preparation is provided. The active ingredient of the joint cavity injection preparation is deacetylated xanthan gum (XG). The deacetylated XG has a molecular weight of 500,000 to 20,000,000. The joint cavity injection preparation is prepared from deacetylated xanthan gum (XG), which has higher biocompatibility and safe wide-dosage range than existing joint cavity injection preparations prepared from XG.Type: ApplicationFiled: May 21, 2019Publication date: November 18, 2021Applicants: SHANDONG ACADEMY OF PHARMACEUTICAL SCIENCES, SHANDONG FREDA PHARMACEUTICAL GROUP CO., LTD.Inventors: Peixue LING, Fei LIU, Huarong SHAO, Lei CHEN, Zhiyun ZHANG, Xiaoyuan ZHANG, Qixin CHEN, Guanying HAN, Yanling CHENG, Jianqiang ZHANG, Daizhou ZHANG
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Publication number: 20200233021Abstract: The present disclosure provides a method and a device for detecting electricity theft, and a computer readable medium, smart meter data of each user and aggregated electricity consumption data are obtained during the detection period in the target area, a load profile set and non-technical loss data are obtained, and a correlation between each load profile in the load profile set and the non-technical loss data is obtained through a maximum information coefficient method and based on the smart meter data and the aggregated electricity consumption data, so as to obtain a correlation indicator for measuring the correlation.Type: ApplicationFiled: April 9, 2020Publication date: July 23, 2020Inventors: Qixin CHEN, Kedi ZHENG, Yi WANG, Chongqing KANG, Qing XIA
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Publication number: 20190147464Abstract: Disclosed is a method for clearing electric quantity market, including: acquiring a RSI of each of a plurality of market entities; judging whether a market power exceeds a threshold according to the RSI of the market entity; adjusting an electric quantity declared by a power generation entity and a market demand electric quantity; evaluating the market power under a new environment and judging whether the market power meets a preset condition; adjusting a quoting function of each of the plurality of market entities in a CTCP and acquiring an adjustment situation; clearing transactions of each of the plurality of market entities in the CTCP according to the adjustment situation and acquiring a market clearing situation of the CTCP; distributing a CPSP in the preset electric quantity market according to the market clearing situation of the CTCP; and settling and clearing transactions according to a clearing amount and a clearing price.Type: ApplicationFiled: July 6, 2018Publication date: May 16, 2019Inventors: Qixin CHEN, Hongye GUO, Qing XIA, Chongqing KANG
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Patent number: 10203312Abstract: The present disclosure provides a system for measuring carbon emissions in a power system. The system includes: generation carbon meters, distributed respectively in generators in the power system; network carbon meters, distributed respectively in nodes in the power system; consumption carbon meters, distributed respectively in consumers in the power system; and a center server, in which each carbon meter is configured to collect data for measuring the carbon emissions. The center server is configured to acquire the collected data and to measure the carbon emissions according to the acquired data, and to send measuring results to the corresponding carbon meter. Then each carbon meter is further configured to display according to the measuring results. The carbon emission may be measured in real time.Type: GrantFiled: March 15, 2017Date of Patent: February 12, 2019Assignee: TSINGHUA UNIVERSITYInventors: Chongqing Kang, Yaohua Cheng, Ning Zhang, Qixin Chen, Qing Xia
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Publication number: 20180303519Abstract: A transverse shift screw tail, a transverse adjustable spinal screw, and an implantation method. The screw comprises a screw tail and a screw seat, the screw seat has a rod groove used for placing a connecting rod, which is recessed downwards from the top of the screw seat and radially penetrates the screw seat, a bottom of the rod groove is a curved surface adapted to an outer circumferential surface of the connecting rod, and the rod groove is provided with a locking thread fit with a locking bolt. The screw tail comprises a fixing column capable of being screwed into a vertebral body and a platform located at an end portion of the fixing column, the platform is provided with the installation head used for connecting with the screw seat, and an eccentric distance is provided between a center of the installation head and an axis of the fixing column.Type: ApplicationFiled: June 8, 2016Publication date: October 25, 2018Applicant: SHANGHAI SANYOU MEDICAL CO., LTD.Inventors: MICHAEL MINGYAN LIU, YONG QIU, YUEMING SONG, QIXIN CHEN, JEAN-CHARLES LEHUEC, RUIFENG LIU
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Publication number: 20180067089Abstract: The present disclosure provides a system for measuring carbon emissions in a power system. The system includes: generation carbon meters, distributed respectively in generators in the power system; network carbon meters, distributed respectively in nodes in the power system; consumption carbon meters, distributed respectively in consumers in the power system; and a center server, in which each carbon meter is configured to collect data for measuring the carbon emissions. The center server is configured to acquire the collected data and to measure the carbon emissions according to the acquired data, and to send measuring results to the corresponding carbon meter. Then each carbon meter is further configured to display according to the measuring results. The carbon emission may be measured in real time.Type: ApplicationFiled: March 15, 2017Publication date: March 8, 2018Inventors: Chongqing KANG, Yaohua CHENG, Ning ZHANG, Qixin CHEN, Qing XIA
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Patent number: 9768614Abstract: An optimal control method and apparatus for a power system are provided. The method includes: obtaining ancillary service bidding data; establishing a power system optimal control model according to the ancillary service bidding data; solving the power system optimal control model to obtain optimal frequency regulation capacities and optimal spinning reserve capacities; sending the optimal frequency regulation capacities and the optimal spinning reserve capacities to generators such that the generators adjust their active powers to provide ancillary services for the power system.Type: GrantFiled: March 18, 2015Date of Patent: September 19, 2017Assignee: Tsinghua UniversityInventors: Haiwang Zhong, Qing Xia, Chongqing Kang, Qixin Chen
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Publication number: 20150268644Abstract: An optimal control method and apparatus for a power system are provided. The method includes: obtaining ancillary service bidding data; establishing a power system optimal control model according to the ancillary service bidding data; solving the power system optimal control model to obtain optimal frequency regulation capacities and optimal spinning reserve capacities; sending the optimal frequency regulation capacities and the optimal spinning reserve capacities to generators such that the generators adjust their active powers to provide ancillary services for the power system.Type: ApplicationFiled: March 18, 2015Publication date: September 24, 2015Inventors: HAIWANG ZHONG, QING XIA, CHONGQING KANG, QIXIN CHEN