Patents by Inventor Chang Zhou
Chang Zhou 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: 20230004172Abstract: A self-moving device, including: a moving module, a task execution module, a control module. The control module is electrically connected to the moving module and the task execution module, controls the moving module to actuate the self-moving device to move, controls the task execution module to execute a working task. The self-moving device further includes a satellite navigation apparatus, electrically connected to the control module and configured to receive a satellite signal and output current location information of the self-moving device. The control module determines whether quality of location information output by the satellite navigation apparatus at a current location satisfies a preset condition, controls, if the quality does not satisfy the preset condition, the moving module to actuate the self-moving device to change a moving manner, to enable quality of location information output by the satellite navigation apparatus at a location after the movement to satisfy the preset condition.Type: ApplicationFiled: September 13, 2022Publication date: January 5, 2023Inventors: Yong Shao, Mingming He, Chang Zhou, Zhou Yang, Gen Sun, Yue Rao
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Patent number: 11524878Abstract: A bridge crane anti-swing method based on first-order dynamic sliding mode variable structure includes steps of: constructing a two-dimensional bridge crane system model and a crane system control model, respectively; performing differentiation on two sliding mode surfaces containing swing angle dynamic change and rope length dynamic change to obtain a crane position dynamic sliding surface s1 and a rope length dynamic sliding mode surface s2, respectively; combining a displacement x, a length l and a swing angle ? in the two-dimensional bridge crane system model with the crane position dynamic sliding surface s1 and rope length dynamic sliding mod surface s2 in the crane system control model to obtain a relationship among a horizontal traction force f1, an along-rope traction force f2, the displacement x, the length l and the swing angle ?.Type: GrantFiled: June 1, 2018Date of Patent: December 13, 2022Assignee: WUYI UNIVERSITYInventors: Tianlei Wang, Ainong Geng, Xinmo Li, Chang Zhou, Yaojiong Wu, Weitian Ni, Chuping He
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Resource pool management method and apparatus, resource pool control unit, and communications device
Patent number: 11507426Abstract: This application provides a resource pool management method and apparatus, a resource pool control unit, and a communications device. The method is applied to a resource pool system including a plurality of communications devices, and one resource pool control unit is deployed on each communications device. A first resource pool control unit that is responsible for managing a resource pool at a current moment receives a resource application request of an application program on any communications device, allocates, from the resource pool according to a preset rule, a first resource including one or more logical hardware devices, and sends a resource configuration request to a second resource pool control unit, so that the second resource pool control unit completes configuration of the first resource based on the resource configuration request, to provide a required hardware device resource for the application program.Type: GrantFiled: November 12, 2020Date of Patent: November 22, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Chang Zhou, Huanfeng Yin, Xinfa Luo -
Publication number: 20220300008Abstract: An automatic working system that includes a self-moving device and a positioning device. The self-moving device includes a movement module, a task execution module. The positioning device is configured to detect a current position of the self-moving device. The automatic working system includes: a storage unit, configured to store a working area map, and: a map confirmation procedure, which including: providing a drive circuit instruction to move along a working area boundary, and receiving a confirmation signal from a user to complete the map confirmation procedure; and a working procedure including providing a drive circuit instruction to move within a working area defined by the map and execute the working task; and a control module, configured to monitor an output of the positioning device to execute the map confirmation procedure and execute the working procedure after the map confirmation procedure is completed.Type: ApplicationFiled: January 31, 2022Publication date: September 22, 2022Inventors: Yong SHAO, Chang ZHOU, Fangshi LIU
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Patent number: 11448775Abstract: The present disclosure relates to a positioning apparatus and method and a self-moving device. The positioning apparatus includes a first positioning module (101), a sensor module (102), and a processing module (103). The position of the positioning apparatus is determined according to the positioning result of the first positioning module (101) and the positioning result determined by using the sensor module (102) to measure the acceleration and the angle parameter and based on a pedestrian dead reckoning algorithm, and determine the boundary of the self-moving device. A pedestrian dead reckoning technology independent of an external environment is introduced during boundary positioning, and the pedestrian dead reckoning technology and other positioning technologies are integrated to establish a virtual boundary, so that positioning precision is high, and a precise boundary is established. In addition, it is not necessary to arrange a physical boundary, so that operations of a user are less complex.Type: GrantFiled: May 25, 2018Date of Patent: September 20, 2022Assignee: Positec Power Tools (Suzhou) Co., LtdInventors: Zhou Yang, Chang Zhou, Zheming Teng
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Patent number: 11442448Abstract: The invention relates to a method for providing an alarm about a positioning fault in a self-moving device. A self-moving device is configured to autonomously move, based on positioning of the self-moving device, inside a working region defined on a map. The method includes: receiving positioning data from a satellite positioning system to locate the self-moving device; detecting whether a positioning fault occurs in the self-moving device; and in response to a detected positioning fault that occurs in the self-moving device, providing an alarm about the positioning fault.Type: GrantFiled: June 14, 2019Date of Patent: September 13, 2022Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Mingming He, Yong Shao, Chang Zhou, Yiyun Tan, Fangshi Liu, Shiping Jiao
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Patent number: 11442466Abstract: A self-moving device, including: a moving module, a task execution module, a control module. The control module is electrically connected to the moving module and the task execution module, controls the moving module to actuate the self-moving device to move, controls the task execution module to execute a working task. The self-moving device further includes a satellite navigation apparatus, electrically connected to the control module and configured to receive a satellite signal and output current location information of the self-moving device. The control module determines whether quality of location information output by the satellite navigation apparatus at a current location satisfies a preset condition, controls, if the quality does not satisfy the preset condition, the moving module to actuate the self-moving device to change a moving manner, to enable quality of location information output by the satellite navigation apparatus at a location after the movement to satisfy the preset condition.Type: GrantFiled: October 11, 2018Date of Patent: September 13, 2022Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD.Inventors: Yong Shao, Mingming He, Chang Zhou, Zhou Yang, Gen Sun, Yue Rao
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Publication number: 20220272914Abstract: The present invention relates to an intelligent gardening system, for monitoring and controlling gardening apparatuses in a gardening area, including: multiple sensors that collect environmental information of the gardening area; one or more gardening apparatuses that perform gardening work according to a control instruction; and a control center that generates the control instruction based on the environmental information; wherein the sensors, the gardening apparatuses and the control center communicate with each other to form an Internet of Things.Type: ApplicationFiled: May 13, 2022Publication date: September 1, 2022Inventors: Mingming He, Gen Sun, Yue Rao, Yong Shao, Fangshi Liu, Jun Wu, Chang Zhou
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Patent number: 11378979Abstract: A method for positioning an autonomous moving device includes steps of: acquiring a current positioning signal of an autonomous moving device during a moving process, and a reference positioning signal of the autonomous moving device before the current positioning signal; resolving the reference positioning signal and the current positioning signal to acquire error data; and processing the error data and position information of the reference positioning signal to acquire current position information of the autonomous moving device.Type: GrantFiled: May 25, 2018Date of Patent: July 5, 2022Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Mingming He
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Patent number: 11330771Abstract: The present invention relates to an intelligent gardening system, for monitoring and controlling gardening apparatuses in a gardening area, including: multiple sensors that collect environmental information of the gardening area; one or more gardening apparatuses that perform gardening work according to a control instruction; and a control center that generates the control instruction based on the environmental information; wherein the sensors, the gardening apparatuses and the control center communicate with each other to form an Internet of Things.Type: GrantFiled: September 3, 2020Date of Patent: May 17, 2022Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD.Inventors: Mingming He, Gen Sun, Yue Rao, Yong Shao, Fangshi Liu, Jun Wu, Chang Zhou
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Publication number: 20220075376Abstract: A returning method of a self-moving device, a self-moving device are provided. In the returning method, a self-moving device autonomously moves inside a working region based on a map. Specifically, the method includes: acquiring a current position of the self-moving device in the working region; selecting a return path to a target position according to the current position; determining a reuse status of the return path, determining, based on the reuse status of the return path, whether to reselect a return path; and enabling the self-moving device to return to the target position along the selected return path.Type: ApplicationFiled: November 12, 2021Publication date: March 10, 2022Inventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Ka Tat Kelvin Wong
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Patent number: 11269349Abstract: The present invention relates to an automatic working system, including a self-moving device and a positioning device. The self-moving device includes a movement module, a task execution module. The positioning device is configured to detect a current position of the self-moving device. The automatic working system includes: a storage unit, configured to store a working area map, and: a map confirmation procedure, which including: providing a drive circuit instruction to move along a working area boundary, and receiving a confirmation signal from a user to complete the map confirmation procedure; and a working procedure including providing a drive circuit instruction to move within a working area defined by the map and execute the working task; and a control module, configured to monitor an output of the positioning device to execute the map confirmation procedure and execute the working procedure after the map confirmation procedure is completed.Type: GrantFiled: May 10, 2019Date of Patent: March 8, 2022Assignee: Positec Power Tools (Suzhou) Co., LtdInventors: Yong Shao, Chang Zhou, Fangshi Liu
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Patent number: 11159790Abstract: The present disclosure provides methods, apparatuses and systems for transcoding a video. One exemplary method for transcoding a video includes: receiving a model file issued by a machine learning framework; converting the model file to a file identifiable by a filter; setting one or more filtering parameters according to the file; and processing the video based on the filtering parameters. According to the embodiments of the present disclosure, no extra storage will be consumed in the process of video transcoding, and system resource consumption can be reduced without adding any extra system deployment costs.Type: GrantFiled: September 24, 2018Date of Patent: October 26, 2021Assignee: ALIBABA GROUP HOLDING LIMITEDInventors: Haohui Xu, Dawei Mei, Chang Zhou
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Publication number: 20210227744Abstract: The present invention relates to a self-moving device moving and working in a work area defined by a border, includes: a housing; a moving module, mounted in the housing, and driven by a drive motor to drive the self-moving device to move; a control module, controlling the self-moving device to move and work; a satellite navigation device, receiving a satellite signal; at least one position sensor, detecting a feature related to a position of the self-moving device; and a fusion processing unit comprising at least two inputs, one is the satellite signal, and the other is an output of the position sensor; the fusion processing unit performs operation on the satellite signal and the output of the position sensor, and outputs position information of the self-moving device; and the control module controls the moving module to drive the self-moving device to move based on the position information.Type: ApplicationFiled: March 26, 2021Publication date: July 29, 2021Inventors: Chang Zhou, Yiyun Tan, Ka Tat Kelvin Wong, Qiang Liu
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Publication number: 20210221246Abstract: An autonomous moving device wireless charging system, including an autonomous moving device and a wireless charging station, the wireless charging station includes a wireless charging transmitting end; the autonomous moving device includes: a wireless charging receiving end, the wireless charging transmitting end wirelessly transmits a charging signal to the wireless charging receiving end to transmit electric energy; a charging battery, electrically connected to the wireless charging receiving end, to receive the electric energy transmitted from the wireless charging receiving end; a wireless charging locating module, the wireless charging locating module determines whether the autonomous moving device is at a charging location; a driving module; and a control module, connected to the wireless charging locating module and driving module, when the wireless charging locating module determines that the autonomous moving device is at the charging location, controlling the driving module, to make the autonomous mType: ApplicationFiled: April 2, 2021Publication date: July 22, 2021Inventors: Fangshi Liu, Gen Sun, Yongming Dong, Chang Zhou, Shiping Jiao, Jiang Du
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Patent number: 11042099Abstract: The lithography apparatus includes at least two exposure devices and one substrate device. The substrate device includes a substrate stage and a substrate supported by the substrate stage. The at least two exposure devices are disposed in symmetry to each other above the substrate with respect to a direction for scanning exposure and configured to simultaneously create two exposure fields onto the substrate to expose the portions of the substrate within the exposure fields.Type: GrantFiled: March 13, 2018Date of Patent: June 22, 2021Assignee: Shanghai Micro Electronics Equipment (Group) Co., Ltd.Inventors: Chang Zhou, Zhiyong Yang, Linlin Ma
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Publication number: 20210165109Abstract: The present disclosure relates to a positioning apparatus and method and a self-moving device. The positioning apparatus includes a first positioning module (101), a sensor module (102), and a processing module (103). The position of the positioning apparatus is determined according to the positioning result of the first positioning module (101) and the positioning result determined by using the sensor module (102) to measure the acceleration and the angle parameter and based on a pedestrian dead reckoning algorithm, and determine the boundary of the self-moving device. A pedestrian dead reckoning technology independent of an external environment is introduced during boundary positioning, and the pedestrian dead reckoning technology and other positioning technologies are integrated to establish a virtual boundary, so that positioning precision is high, and a precise boundary is established. In addition, it is not necessary to arrange a physical boundary, so that operations of a user are less complex.Type: ApplicationFiled: May 25, 2018Publication date: June 3, 2021Inventors: Zhou YANG, Chang ZHOU, Zheming TENG
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Publication number: 20210157334Abstract: A method for positioning an autonomous moving device includes steps of: acquiring a current positioning signal of an autonomous moving device during a moving process, and a reference positioning signal of the autonomous moving device before the current positioning signal; resolving the reference positioning signal and the current positioning signal to acquire error data; and processing the error data and position information of the reference positioning signal to acquire current position information of the autonomous moving device.Type: ApplicationFiled: May 25, 2018Publication date: May 27, 2021Inventors: Chang ZHOU, Yiyun TAN, Yong SHAO, Fangshi LIU, Mingming HE
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Patent number: 10987431Abstract: A preparation method of adiposomes, and use thereof. Provided is a method for preparing adiposomes consisting of neutral lipids and a monolayer phospholipid membrane, comprising a1) vortexing phospholipid and neutral lipids in a buffer, centrifuging the resulting mixture, and collecting an upper liquid phase; a2) purifying the upper liquid phase twice or more by uniformly mixing the upper liquid phase with the buffer, layering the mixture, and collecting an upper liquid phase; and a3) uniformly mixing the upper liquid phase obtained in step a2) with the buffer, layering the mixture, and collecting a lower liquid phase in containing adiposomes. For the adiposomes prepared by the method, one or more resident proteins and/or functional proteins can be recruited to obtain artificial lipid droplets, and one or more apolipoproteins can be recruited to obtain artificial lipoproteins; and they all play important roles in preparing drugs and/or drug carriers.Type: GrantFiled: November 22, 2016Date of Patent: April 27, 2021Assignee: INSTITUTE OF BIOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Pingsheng Liu, Yang Wang, Xiaoming Zhou, Xuejing Ma, Chang Zhou
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Patent number: 10967752Abstract: An autonomous moving device wireless charging system, including an autonomous moving device and a wireless charging station, the wireless charging station includes a wireless charging transmitting end; the autonomous moving device includes: a wireless charging receiving end, the wireless charging transmitting end wirelessly transmits a charging signal to the wireless charging receiving end to transmit electric energy; a charging battery, electrically connected to the wireless charging receiving end, to receive the electric energy transmitted from the wireless charging receiving end; a wireless charging locating module, the wireless charging locating module determines whether the autonomous moving device is at a charging location; a driving module; and a control module, connected to the wireless charging locating module and driving module, when the wireless charging locating module determines that the autonomous moving device is at the charging location, controlling the driving module, to make the autonomous mType: GrantFiled: June 27, 2016Date of Patent: April 6, 2021Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Fangshi Liu, Gen Sun, Yongming Dong, Chang Zhou, Shiping Jiao, Jiang Du