Patents by Inventor Yiyun Tan

Yiyun Tan 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).

  • Patent number: 12061476
    Abstract: 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: Grant
    Filed: November 12, 2021
    Date of Patent: August 13, 2024
    Assignee: Positec Power Tools (Suzhou) Co., Ltd
    Inventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Ka Tat Kelvin Wong
  • Patent number: 11442448
    Abstract: 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: Grant
    Filed: June 14, 2019
    Date of Patent: September 13, 2022
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Mingming He, Yong Shao, Chang Zhou, Yiyun Tan, Fangshi Liu, Shiping Jiao
  • Publication number: 20220280009
    Abstract: A cleaning robot (and a control method thereof) including a body, a mover, to drive the cleaning robot to move on a ground and perform cleaning work, a detector, configured to detect a ground feature in front of the cleaning robot, a positioner, configured to obtain position information of the cleaning robot, and a controller, electrically connected to the detector and the positioner. The controller stores or obtains a map of a working region of the cleaning robot and can determine a position of the cleaning robot in the map according to the position information of the cleaning robot. Further, the controller recognizes the ground feature according to a detection result of the detector and controls, according to the position of the cleaning robot in the map, the cleaning robot to perform a corresponding action.
    Type: Application
    Filed: August 26, 2020
    Publication date: September 8, 2022
    Inventors: Yiyun TAN, Mingjian XIE, Shisong ZHANG
  • Patent number: 11378979
    Abstract: 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: Grant
    Filed: May 25, 2018
    Date of Patent: July 5, 2022
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Mingming He
  • Publication number: 20220075376
    Abstract: 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: Application
    Filed: November 12, 2021
    Publication date: March 10, 2022
    Inventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Ka Tat Kelvin Wong
  • Patent number: 11256255
    Abstract: A self-moving gardening robot, including a positioning module, a control module, a material cavity, and a working module. The positioning module of the self-moving gardening robot is configured to perform path planning, and the control module controls the self-moving gardening robot to travel according to planned path; and the working module performs a corresponding work when the self-moving gardening robot travels. When the material cavity contains different materials, the self-moving gardening robot may finish different functional tasks based on a same control procedure. In one of embodiments, the self-moving gardening robot is further provided with an accessory interface. By connecting different functional accessories through the accessory interface, the self-moving gardening robot implements multiple functions.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: February 22, 2022
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Mingming He, Yiyun Tan, Yong Shao
  • Publication number: 20220029477
    Abstract: The present invention provides a wireless charging station, configured to charge a self-moving device. The wireless charging station includes a bottom plate and a wireless transmitting module fixed to the bottom plate, the wireless transmitting module is provided with at least one resonant coil transmitting component, the resonant coil transmitting component transmits an electromagnetic signal, and the self-moving device receives the electromagnetic signal after entering the bottom plate to perform a charging operation. The bottom plate of the wireless charging station in the present embodiments is laid flat on a ground, a case that the elderly and children in a lawn are easily tripped up by a convex-type charging station is avoided, and a structure of the wireless charging station can be simpler, thereby improving the aesthetics of the wireless charging station and the lawn.
    Type: Application
    Filed: November 5, 2019
    Publication date: January 27, 2022
    Inventors: Mingming HE, Xiaofei YANG, Chen ZHANG, Yiyun TAN, Xiaoyong CHEN
  • Publication number: 20210227744
    Abstract: 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: Application
    Filed: March 26, 2021
    Publication date: July 29, 2021
    Inventors: Chang Zhou, Yiyun Tan, Ka Tat Kelvin Wong, Qiang Liu
  • Publication number: 20210157334
    Abstract: 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: Application
    Filed: May 25, 2018
    Publication date: May 27, 2021
    Inventors: Chang ZHOU, Yiyun TAN, Yong SHAO, Fangshi LIU, Mingming HE
  • Patent number: 10959371
    Abstract: 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: Grant
    Filed: August 3, 2018
    Date of Patent: March 30, 2021
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Chang Zhou, Yiyun Tan, Ka Tat Kelvin Wong, Qiang Liu
  • Patent number: 10852735
    Abstract: A self-moving robot system may comprise a signal generating device configured to generate a preset signal; a signal detecting device, configured to detect the preset signal and generate a detection result; a signal line configured to radiate or/and receive the preset signal; and a control unit disposed on a self-moving robot, wherein the control unit receives the detection result and controls the self-moving robot to move according to the detection result; one end of the signal line is connected to the signal generating device or/and the signal detecting device; the signal line unidirectionally extends from the end, and the signal line does not constitute a circuitry loop. The system can realize judging a working area and/or guiding returning of the self-moving robot by a non-closed signal line, to thereby simplify arrangement of the border line or guide line, and improve the user experience.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: December 1, 2020
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Yiyun Tan, Yong Shao, Fangshi Liu, Gen Sun, Chang Zhou, Guoliang Mou, Sun Xifeng
  • Publication number: 20190369620
    Abstract: 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: Application
    Filed: June 14, 2019
    Publication date: December 5, 2019
    Inventors: Chang ZHOU, Yiyun TAN, Yong SHAO, Fangshi LIU, Ka Tat Kelvin WONG
  • Publication number: 20190369640
    Abstract: 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: Application
    Filed: June 14, 2019
    Publication date: December 5, 2019
    Inventors: Mingming He, Yong Shao, Chang Zhou, Yiyun Tan, Fangshi Liu, Shiping Jiao
  • Publication number: 20190346848
    Abstract: The present invention relates to a moving method of a self-moving device, including: presetting a preset movement path of a self-moving device; enabling the self-moving device to move along the preset movement path; and checking whether a moving direction of the self-moving device deviates from the preset movement path, and when the moving direction deviates from the preset movement path, calibrating the moving direction of the self-moving device to enable the self-moving device to move along the preset movement path, wherein, the preset movement path including several first path segments, the first path segment being divided into several sub-path segments, and an end point of the sub-path segment being referred to as a node; and the calibrating the moving direction of the self-moving device includes: calibrating the moving direction of the self-moving device by using the node as a target point.
    Type: Application
    Filed: June 12, 2019
    Publication date: November 14, 2019
    Inventors: Chang Zhou, Yiyun Tan, Fangshi Liu, Yong Shao
  • Patent number: 10444757
    Abstract: The present invention relates to a self-moving device, which moves and works in a working area defined by a limit and comprises a shell, a moving module, a task executing module and a control module; the control module controls the moving module to drive the self-moving device to move and controls the task executing module to execute a work task; the self-moving device comprising at least one capacitance sensor, which is mounted in the shell and electrically connected to the control module and detects whether a surface below the self-moving device or in front of a moving direction is a surface to be machined; the capacitance sensor comprises at least one probe, the probe comprises a probing surface located on the outer surface of the probe, and a conductivity of at least part of the probing surface is larger than or equal to 10?9 s/m; or a distance between the probe and the surface below the self-moving device meets a first preset condition; or an area of the probing surface meets a second preset condition.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 15, 2019
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Yongming Dong, Fangshi Liu, Zhendong Gao, Yiyun Tan
  • Publication number: 20190278269
    Abstract: A self-moving gardening robot, including a positioning module, a control module, a material cavity, and a working module. The positioning module of the self-moving gardening robot is configured to perform path planning, and the control module controls the self-moving gardening robot to travel according to planned path; and the working module performs a corresponding work when the self-moving gardening robot travels. When the material cavity contains different materials, the self-moving gardening robot may finish different functional tasks based on a same control procedure. In one of embodiments, the self-moving gardening robot is further provided with an accessory interface. By connecting different functional accessories through the accessory interface, the self-moving gardening robot implements multiple functions.
    Type: Application
    Filed: January 17, 2019
    Publication date: September 12, 2019
    Inventors: Mingming He, Yiyun Tan, Yong Shao
  • Publication number: 20190187714
    Abstract: The invention relates to an automatic working system, including: a self-moving device, configured to move and work in a working area. The self-moving device includes an energy consumption device, where the energy consumption device includes a device that consumes energy for actuating the self-moving device; and the self-moving device further includes: a photoelectric conversion unit, where the photoelectric conversion unit receives optical energy and converts the received optical energy into electric energy; and an energy storage unit, configured to store the electric energy obtained by conversion by the photoelectric conversion unit, where effective working electric energy that is received by the energy consumption device from the photoelectric conversion unit and that is converted by the photoelectric conversion unit is greater than or equal to energy consumed by the energy consumption device to actuate the self-moving device.
    Type: Application
    Filed: February 18, 2019
    Publication date: June 20, 2019
    Inventors: Mingming He, Yiyun Tan, Fangshi Liu
  • Publication number: 20190049593
    Abstract: A differential global positioning system and a positioning method thereof. The differential global positioning system includes a base station and at least one intelligent device. The base station may be configured to set first positioning data thereof when the base station may be arranged at a fixed location. The base station may include a first signal receiver. The first signal receiver may receive satellite-based positioning signals sent by a satellite system to obtain second positioning data of the base station. The base station may obtain differential correction data according to a measurement error between the first positioning data and the second positioning data. The base station may be in communication connection with at least two intelligent devices to transmit the corresponding differential correction data to the at least two intelligent devices.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Inventors: Mingming He, Yiyun Tan
  • Publication number: 20180359916
    Abstract: 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: Application
    Filed: August 3, 2018
    Publication date: December 20, 2018
    Inventors: Chang Zhou, Yiyun Tan, Ka Tat Kelvin Wong, Qiang Liu
  • Publication number: 20180329420
    Abstract: The present invention relates to a self-moving device, which moves and works in a working area defined by a limit and comprises a shell, a moving module, a task executing module and a control module; the control module controls the moving module to drive the self-moving device to move and controls the task executing module to execute a work task; the self-moving device comprising at least one capacitance sensor, which is mounted in the shell and electrically connected to the control module and detects whether a surface below the self-moving device or in front of a moving direction is a surface to be machined; the capacitance sensor comprises at least one probe, the probe comprises a probing surface located on the outer surface of the probe, and a conductivity of at least part of the probing surface is larger than or equal to 10?9 s/m; or a distance between the probe and the surface below the self-moving device meets a first preset condition; or an area of the probing surface meets a second preset condition.
    Type: Application
    Filed: January 26, 2017
    Publication date: November 15, 2018
    Inventors: Yongming Dong, Fangshi Liu, Zhendong Gao, Yiyun Tan