Patents by Inventor Pengcheng TANG
Pengcheng TANG 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: 20240134375Abstract: Embodiments of the present application provide a method, device, storage medium, and electronic device for controlling flight equipment, wherein the method includes: acquiring positioning position information from a positioning system deployed on a target flight equipment; detecting an operating state of the positioning system according to positioning position information, wherein the operating state comprises: normal state and abnormal state; when the operating state is an abnormal state, controlling the target flight equipment to return to a ground control terminal according to the relative position information between the target flight equipment and the ground control terminal of the target flight equipment.Type: ApplicationFiled: October 19, 2023Publication date: April 25, 2024Inventor: Pengcheng TANG
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Patent number: 11947914Abstract: In embodiments of the present disclosure, there is provided an approach for fact checking based on semantic graphs. According to embodiments of the present disclosure, after obtaining a text to be fact checked, a plurality of evidence sentences related to the text are retrieved from an evidence database. Then, semantic graphs of the text and the evidence sentences are constructed based on the semantic analysis, and a veracity of a statement in the text can be determined based on the semantic graphs. Embodiments of the present disclosure propose a graph-based reasoning approach for fact checking, and use the constructed semantic graphs to facilitate verification of the truthfulness of the text, thereby improving the accuracy for fact checking.Type: GrantFiled: June 30, 2020Date of Patent: April 2, 2024Assignee: Microsoft Technology Licensing, LLCInventors: Duyu Tang, Nan Duan, Ming Zhou, Jiun-Hung Chen, Pengcheng Wang, Ying Qiao
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Publication number: 20240096729Abstract: A packaged device includes a circuit board, an electronic component, and a heat storage portion. The electronic component is electrically coupled to the circuit board; and the heat storage portion is disposed on the circuit board or embedded in the circuit board, and the heat storage portion is adjacent to the electronic component, where a specific heat capacity of the heat storage portion is higher than a specific heat capacity of the circuit board, and the heat storage portion is configured to store and release heat. A heat storage material with a relatively high specific heat capacity is introduced into the packaged device, and the heat storage portion is disposed on the circuit board around the electronic component where a large amount of heat generated by the electronic component in a short time can be quickly stored in the heat storage portion and then released to the outside.Type: ApplicationFiled: September 15, 2023Publication date: March 21, 2024Inventors: Dong Chen, Fenglong Lu, Yunyu Tang, Lei Shi, Yunfeng Liu, Shuyi Lv, Pengcheng Zhang
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Patent number: 11621635Abstract: Methods and apparatuses for regulating a power converter are described. A device comprising a control circuit and a logic circuit can be integrated in a controller coupled to the power converter. The control circuit can generate a constant off-time signal based on a ramp signal and an error signal. The logic circuit can generate a control signal based on the constant off-time signal and a constant on-time signal. The logic circuit can output the control signal to the power converter. In response to an on-time period of the constant off-time signal being less than an on-time period of the constant on-time signal, the control signal can vary according to the constant on-time signal. In response to the on-time period of the constant off-time signal being greater than the on-time period of the constant on-time signal, the control signal can vary according to the constant off-time signal.Type: GrantFiled: July 9, 2021Date of Patent: April 4, 2023Assignee: Renesas Electronics America, Inc.Inventors: Long Yu, Jin Yang, Jianhua Yang, Pengcheng Tang, Xiaodong Zhan
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Publication number: 20220407418Abstract: Methods and apparatuses for regulating a power converter are described. A device comprising a control circuit and a logic circuit can be integrated in a controller coupled to the power converter. The control circuit can generate a constant off-time signal based on a ramp signal and an error signal. The logic circuit can generate a control signal based on the constant off-time signal and a constant on-time signal. The logic circuit can output the control signal to the power converter. In response to an on-time period of the constant off-time signal being less than an on-time period of the constant on-time signal, the control signal can vary according to the constant on-time signal. In response to the on-time period of the constant off-time signal being greater than the on-time period of the constant on-time signal, the control signal can vary according to the constant off-time signal.Type: ApplicationFiled: July 9, 2021Publication date: December 22, 2022Applicant: Renesas Electronics America Inc.Inventors: Long YU, Jin YANG, Jianhua YANG, Pengcheng TANG, Xiaodong ZHAN
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Publication number: 20220264496Abstract: The embodiments are a method and a system for synchronizing data. The method includes: sending, by any remote control in at least two remote controls, a configuration message to an unmanned aerial vehicle, the configuration message carrying current configuration information of the any remote control; broadcasting, by the unmanned aerial vehicle, the received configuration message; and synchronously updating, by the at least two remote controls, current configuration information of the at least two remote controls according to the received broadcast configuration message. Therefore, in a scenario in which a plurality of remote controls interact with an unmanned aerial vehicle, information synchronization among the plurality of remote controls may be implemented in a simple communication manner without adding a hardware module.Type: ApplicationFiled: April 29, 2022Publication date: August 18, 2022Inventor: Pengcheng TANG
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Patent number: 11009443Abstract: An experimental test method for dynamic imbibition capacity of shale is provided. The method includes the following steps: core preparation; physical parameter test of shale; experimental loading conditions are determined according to formation stress, formation temperature and hydraulic fracturing parameters; and a dynamic imbibition saturation is defined to characterize a dynamic imbibition amount. Various factors, such as fracturing fluid flow, formation confining pressure, formation temperature and fluid pressure, are used to obtain change rules of dynamic imbibition with time under different construction parameters in shale fracturing process.Type: GrantFiled: July 24, 2020Date of Patent: May 18, 2021Assignee: SOUTHWEST PETROLEUM UNIVERSITYInventors: Jianchun Guo, Liang Tao, Chi Chen, Zhihong Zhao, Ming Li, Pengcheng Tang
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Publication number: 20200355598Abstract: An experimental testing device and method for dynamic imbibition capacity of shale are provided.Type: ApplicationFiled: July 24, 2020Publication date: November 12, 2020Applicant: SOUTHWEST PETROLEUM UNIVERSITYInventors: Jianchun Guo, Liang Tao, Chi Chen, Zhihong Zhao, Ming Li, Pengcheng Tang
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Patent number: 10749997Abstract: A packet processing method, device and system includes: receiving, by a switching device, a packet, where there is a correspondence in the switching device between a prefix and a generic flow entry, where the correspondence is created by using the prefix as an index, and a match field of the generic flow entry corresponding to the prefix includes the prefix; acquiring, by the switching device according to the prefix, a bit field that is in the packet and that is used for matching; and performing matching, by the switching device, between a value of the bit field and a data parameter of the match field of the generic flow entry corresponding to the prefix.Type: GrantFiled: July 31, 2018Date of Patent: August 18, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Pengcheng Tang, Yan Wang, Wei Zhou, Hui Ni
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Patent number: 10587494Abstract: Embodiments of the present invention provide a network control method and apparatus. The network control method includes: receiving, by a first network controller, a request message of a forwarding plane device, where the request message includes information that is used to indicate a network event and information that is used to instruct to request a processing policy of the network event, and the first network controller is a primary network controller of the forwarding plane device; and if the first network controller determines, according to the request message, that the first network controller cannot provide the processing policy, sending, by the first network controller, the request message to a second network controller, receiving the processing policy sent by the second network controller, and sending the received processing policy to the forwarding plane device.Type: GrantFiled: November 30, 2016Date of Patent: March 10, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Wei Zhou, Pengcheng Tang
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Patent number: 10320673Abstract: The present invention discloses a flow table generating method and apparatus. The method includes: obtaining, by an SDN controller, a user data packet processing manner of a VAS server that is sent by a VAS server information collector; generating a flow table according to service chain information of a user data packet, the user data packet processing manner of the VAS server, and a 5-tuple of the user data packet; and sending the flow table to an SDN switch, so that the SDN switch can send the user data packet to a corresponding VAS server according to the flow table, thereby implementing access of the user data packet to a related VAS server in a case in which a VAS server modifies a 5-tuple of a user data packet.Type: GrantFiled: June 6, 2016Date of Patent: June 11, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xuejiao Yang, Pengcheng Tang, Hongbo Tian, Yan Wang
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Publication number: 20190123963Abstract: A method and an apparatus for managing resources of a network slice are disclosed. In the method, a slice management apparatus obtains independent decision results of a plurality of network slices respectively; if the independent decision results of the plurality of network slices are not completely consistent, determines final decision results for the network slices based on the independent decision results of the plurality of network slices; and sends the final decision results to a virtualized infrastructure manager VIM. The final decision results are used to instruct to allocate resource of a first network slice in the plurality of network slices to a second network slice in the plurality of network slices.Type: ApplicationFiled: December 14, 2018Publication date: April 25, 2019Inventors: Pengcheng Tang, Wei Zhou, Han Zhou
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Patent number: 10243833Abstract: A flow table management method, devices, and systems. The flow table management method includes: generating, by a software defined network controller, a first flow table entry, where a first field set in the first flow table entry carries an index of an actual value in the first field set, and the first field set includes N fields; and sending, by the software defined network controller, an OpenFlow protocol message to an OpenFlow switch, where the OpenFlow protocol message carries the first flow table entry. The technical solution in the embodiments of the present invention helps reduce a data volume of flow table entries delivered by an SDN controller to an OpenFlow switch, thereby reducing overheads of a control channel to reduce a congestion risk of the control channel, and reducing occupied network processing resources of the SDN controller and the OpenFlow switch to deliver the flow table entries.Type: GrantFiled: November 23, 2016Date of Patent: March 26, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Pengcheng Tang, Wei Zhou
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Patent number: 10237089Abstract: A packet tunneling method, a switching device, and a control device are provided. The method includes: a switching device receives a tunnel flow table entry delivered by the control device, where the tunnel flow table entry is used to determine a to-be-tunneled packet and indicate a tunneling operation to be performed on the to-be-tunneled packet; determines according to the tunnel flow table entry, whether the received first packet is the to-be-tunneled packet; and when the first packet is the to-be-tunneled packet, and tunnels the first packet according to the tunnel flow table entry. Because the switching device supports a tunnel flow table, when a packet is transmitted in a mobile packet network by using the OpenFlow protocol, tunnel encapsulation or decapsulation can be performed on the packet by using the tunnel flow table entry delivered by the control device, thereby enhancing a packet processing capability in the mobile packet network.Type: GrantFiled: July 22, 2016Date of Patent: March 19, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Pengcheng Tang, Wei Zhou
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Publication number: 20180367649Abstract: A packet processing method, device and system includes: receiving, by a switching device, a packet, where there is a correspondence in the switching device between a prefix and a generic flow entry, where the correspondence is created by using the prefix as an index, and a match field of the generic flow entry corresponding to the prefix includes the prefix; acquiring, by the switching device according to the prefix, a bit field that is in the packet and that is used for matching; and performing matching, by the switching device, between a value of the bit field and a data parameter of the match field of the generic flow entry corresponding to the prefix.Type: ApplicationFiled: July 31, 2018Publication date: December 20, 2018Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Pengcheng TANG, Yan WANG, Wei ZHOU, Hui NI
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Patent number: 10117140Abstract: A network storage method, a switch device, and a controller are provided. The method is applicable to a controller based on OpenFlow protocol. The method includes: determining, by the controller, that a first switching equipment is to cache data requested by a first data packet; and notifying, by the controller, the first switching equipment to cache the data requested by the first data packet, and notifying the first switching equipment to establish a first flow table entry according to issued match information corresponding to the first data packet and issued action instruction information corresponding to the first data packet, wherein the action instruction information corresponding to the first data packet is adapted to instruct the first switching equipment to forward the data cached in the first switching equipment and requested by the first data packet.Type: GrantFiled: April 3, 2017Date of Patent: October 30, 2018Assignee: Huawei Technologies Co., Ltd.Inventors: Pengcheng Tang, Konstantinos Pentikousis, Wei Zhou
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Patent number: 10057392Abstract: Embodiments of the present invention provide a packet processing method, device and system. The method includes: receiving, by a switching device, a packet, where there is a correspondence in the switching device between a prefix and a generic flow entry, where the correspondence is created by using the prefix as an index, and a match field of the generic flow entry corresponding to the prefix includes the prefix; acquiring, by the switching device according to the prefix, a bit field that is in the packet and that is used for matching; and performing matching, by the switching device, between a value of the bit field and a data parameter of the match field of the generic flow entry corresponding to the prefix. The embodiments of the present invention can reduce a quantity of times of generic field extraction from a packet and improve processing efficiency.Type: GrantFiled: February 26, 2016Date of Patent: August 21, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Pengcheng Tang, Yan Wang, Wei Zhou, Hui Ni
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Publication number: 20170208001Abstract: A network storage method, a switch device, and a controller are provided. The method is applicable to a controller based on OpenFlow protocol. The method includes: determining, by the controller, that a first switching equipment is to cache data requested by a first data packet; and notifying, by the controller, the first switching equipment to cache the data requested by the first data packet, and notifying the first switching equipment to establish a first flow table entry according to issued match information corresponding to the first data packet and issued action instruction information corresponding to the first data packet, wherein the action instruction information corresponding to the first data packet is adapted to instruct the first switching equipment to forward the data cached in the first switching equipment and requested by the first data packet.Type: ApplicationFiled: April 3, 2017Publication date: July 20, 2017Inventors: Pengcheng TANG, Konstantinos PENTIKOUSIS, Wei ZHOU
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Patent number: 9686724Abstract: A network storage method, a switch device, and a controller are provided. The method is applicable to a controller based on OpenFlow protocol. The method includes: determining, by the controller, that a first switching equipment is to cache data requested by a first data packet; and notifying, by the controller, the first switching equipment to cache the data requested by the first data packet, and notifying the first switching equipment to establish a first flow table entry according to issued match information corresponding to the first data packet and issued action instruction information corresponding to the first data packet, wherein the action instruction information corresponding to the first data packet is adapted to instruct the first switching equipment to forward the data cached in the first switching equipment and requested by the first data packet.Type: GrantFiled: March 26, 2015Date of Patent: June 20, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Pengcheng Tang, Konstantinos Pentikousis, Wei Zhou
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Publication number: 20170085462Abstract: Embodiments of the present invention provide a network control method and apparatus. The network control method includes: receiving, by a first network controller, a request message of a forwarding plane device, where the request message includes information that is used to indicate a network event and information that is used to instruct to request a processing policy of the network event, and the first network controller is a primary network controller of the forwarding plane device; and if the first network controller determines, according to the request message, that the first network controller cannot provide the processing policy, sending, by the first network controller, the request message to a second network controller, receiving the processing policy sent by the second network controller, and sending the received processing policy to the forwarding plane device.Type: ApplicationFiled: November 30, 2016Publication date: March 23, 2017Inventors: Wei Zhou, Pengcheng Tang