Patents by Inventor Degan LIN
Degan LIN 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: 20250021096Abstract: A method is provided. The method includes: determining a traveling start point and a traveling end point of position transfer of an autonomous mobile mowing apparatus; and determining at least one to-be-traversed region which the apparatus traverses when moving from a start point to an end point of position transfer of the apparatus. The determining operation includes: determining, in response to the start point and the end point being located in different work regions, at least one work region sequence according to a connection relationship between at least three work regions. The work region sequence includes at least three sequentially connected work regions; randomly determining a target work region sequence from the at least one work region sequence; and determining the at least three work regions included in the target work region sequence respectively as the to-be-traversed regions.Type: ApplicationFiled: September 30, 2024Publication date: January 16, 2025Applicant: Willand (Beijing) Technology Co., LTD.Inventors: Zhuo YAO, Degan LIN
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Patent number: 12135555Abstract: A method for generating a transfer path includes: determining at least one to-be-traversed region through which an autonomous mobile mowing apparatus passes when moving from a start point to an end point; performing, for each of the to-be-traversed region, path search targeted for the shortest traveling path in the to-be-traversed region when the mowing apparatus moves from the start point to the end point, to determine a first intra-regional path corresponding to the to-be-traversed region; acquiring a second intra-regional path corresponding to at least one of the first intra-regional path, where the second intra-regional path is obtained by adding at least one to-be-traversed point to the corresponding first intra-regional path, the to-be-traversed point is randomly determined in the to-be-traversed region corresponding to the first intra-regional path, and the to-be-traversed point is located outside the first intra-regional path; and generating a random transfer path including each of the second intra-reType: GrantFiled: July 3, 2023Date of Patent: November 5, 2024Assignee: Willand (Beijing) Technology Co., LTD.Inventors: Zhuo Yao, Degan Lin
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Patent number: 11940809Abstract: A movement control method, an electronic device, and a computer storage medium are provided. The method includes: acquiring a first polygonal grid map corresponding to a target work region, determining an avoidance subregion non-traversable for the autonomous mobile mowing apparatus in the target work region according to three-dimensional information of each of polygonal planes in a first polygonal grid map and parameters of an autonomous mobile mowing apparatus; deleting a polygonal plane corresponding to the avoidance subregion from the first polygonal grid map to obtain a second polygonal grid map; and controlling the autonomous mobile mowing apparatus to move according to a second polygonal grid map. Based on the method, the region non-traversable for the autonomous mobile mowing apparatus can be avoided, thereby avoiding a danger caused by an abnormal handling behavior triggered by the autonomous mobile mowing apparatus, and improving safety of movement of the autonomous mobile mowing apparatus.Type: GrantFiled: June 15, 2023Date of Patent: March 26, 2024Assignee: Willand (Beijing) Technology Co., LTD.Inventors: Zhuo Yao, Degan Lin
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Patent number: 11917938Abstract: A method for constructing a map for a mower includes: acquiring a preliminary map of a work region, two adjacent target points are used as first target points and are connected to form an initial connecting line; selecting a target point farthest from the initial connecting line as a second target point, and using a connecting line between the second target point and the first target points as to-be-processed connecting lines; selecting a third target point for each to-be-processed connecting line; when a condition is met, using connecting lines between the third target point and the target points at the two ends of the to-be-processed connecting line as new to-be-processed connecting lines and returning; retaining each of the third target points whose distance from a corresponding to-be-processed connecting line is greater than the first preset threshold as a map construction target point, and constructing a boundary map.Type: GrantFiled: July 3, 2023Date of Patent: March 5, 2024Assignee: Willand (Beijing) Technology Co., Ltd.Inventors: Shaoguang Zhang, Degan Lin, Zhuo Yao
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Publication number: 20240008397Abstract: A method for constructing a map for a mower includes: acquiring a preliminary map of a work region, two adjacent target points are used as first target points and are connected to form an initial connecting line; selecting a target point farthest from the initial connecting line as a second target point, and using a connecting line between the second target point and the first target points as to-be-processed connecting lines; selecting a third target point for each to-be-processed connecting line; when a condition is met, using connecting lines between the third target point and the target points at the two ends of the to-be-processed connecting line as new to-be-processed connecting lines and returning; retaining each of the third target points whose distance from a corresponding to-be-processed connecting line is greater than the first preset threshold as a map construction target point, and constructing a boundary map.Type: ApplicationFiled: July 3, 2023Publication date: January 11, 2024Applicant: Willand (Beijing) Technology Co., Ltd.Inventors: Shaoguang ZHANG, Degan LIN, Zhuo YAO
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Publication number: 20240004392Abstract: A method for establishing a boundary of a working area of a lawnmower, a method for mowing and a lawnmower are provided. The method acquires a first to-be-processed boundary of a working area, and expands the first to-be-processed boundary outward by a preset distance as a second to-be-processed boundary; control the lawnmower to move along the second to-be-processed boundary, acquire environmental information of the lawnmower within the second to-be-processed boundary with a sensor of the lawnmower, to determine a boundary of a non-working area in the environmental information; control the lawnmower to move along the boundary of the non-working area to acquire a third to-be-processed boundary; and establish the boundary of the working area of the lawnmower based on the second and the third to-be-processed boundaries. The established boundary of the working area is accurate, and there is no need to lay out wires, so the cost is low.Type: ApplicationFiled: May 19, 2023Publication date: January 4, 2024Applicant: Willand (Beijing) Technology Co., LTD.Inventors: Chunhong Li, Degan Lin
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Publication number: 20240004393Abstract: A method for generating a transfer path includes: determining at least one to-be-traversed region through which an autonomous mobile mowing apparatus passes when moving from a start point to an end point; performing, for each of the to-be-traversed region, path search targeted for the shortest traveling path in the to-be-traversed region when the mowing apparatus moves from the start point to the end point, to determine a first intra-regional path corresponding to the to-be-traversed region; acquiring a second intra-regional path corresponding to at least one of the first intra-regional path, where the second intra-regional path is obtained by adding at least one to-be-traversed point to the corresponding first intra-regional path, the to-be-traversed point is randomly determined in the to-be-traversed region corresponding to the first intra-regional path, and the to-be-traversed point is located outside the first intra-regional path; and generating a random transfer path including each of the second intra-reType: ApplicationFiled: July 3, 2023Publication date: January 4, 2024Applicant: Willand (Beijing) Technology Co., LTD.Inventors: Zhuo YAO, Degan LIN
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Publication number: 20230421272Abstract: A method for recommending an installation position of a base station, a storage medium, a mower, and a mobile electronic device are provided. The method acquires satellite observation data at a plurality of sampling points along a boundary of a target map; determining target sampling points satisfying a preset condition according to satellite observation data at each sampling point; determining common satellite observation frequency bands according to satellite observation data at the target sampling points; determining the number of the common satellite observation frequency bands at each sampling point according to the common satellite observation frequency bands and the satellite observation data at each sampling point; and determining recommendation information of the installation position of the base station according to the number of the common satellite observation frequency bands at each sampling point.Type: ApplicationFiled: May 16, 2023Publication date: December 28, 2023Applicant: Willand (Beijing) Technology Co., LTD.Inventors: Ziwei Guo, Zichong Chen, Tianning Yu, Degan Lin, Shaoguang Zhang
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Publication number: 20230409043Abstract: A movement control method, an electronic device, and a computer storage medium are provided. The method includes: acquiring a first polygonal grid map corresponding to a target work region, determining an avoidance subregion non-traversable for the autonomous mobile mowing apparatus in the target work region according to three-dimensional information of each of polygonal planes in a first polygonal grid map and parameters of an autonomous mobile mowing apparatus; deleting a polygonal plane corresponding to the avoidance subregion from the first polygonal grid map to obtain a second polygonal grid map; and controlling the autonomous mobile mowing apparatus to move according to a second polygonal grid map. Based on the method, the region non-traversable for the autonomous mobile mowing apparatus can be avoided, thereby avoiding a danger caused by an abnormal handling behavior triggered by the autonomous mobile mowing apparatus, and improving safety of movement of the autonomous mobile mowing apparatus.Type: ApplicationFiled: June 15, 2023Publication date: December 21, 2023Applicant: Willand (Beijing) Technology Co., LTD.Inventors: Zhuo YAO, Degan LIN
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Publication number: 20230320263Abstract: A method for determining information, a remote terminal, and a mower are provided. The method includes: collecting a to-be-processed image for a to-be-recognized region through an image collector of a to-be-controlled device, where the to-be-recognized region at least includes a to-be-processed region and an obstacle region; processing the to-be-processed image, and determining information of a partial boundary of a to-be-processed region where the to-be-controlled device is currently located; and controlling the to-be-controlled device to switch between an autonomous movement mode and a remotely controlled movement mode based on the information of the partial boundary to determine a boundary of the to-be-processed region, where the boundary of the to-be-processed region is used for distinguishing the to-be-processed region from the obstacle region. The method can solve the problems of cumbersome operations and low efficiency existing in existing methods for determining a regional boundary.Type: ApplicationFiled: March 23, 2023Publication date: October 12, 2023Applicant: Willand (Beijing) Technology Co., LTD.Inventors: Zichong CHEN, Degan LIN, LV Zhuo, You WANG, Yue HU, Tianning YU, Chunhong LI, Shuai LI, Weijie TANG
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Publication number: 20230297114Abstract: A method for controlling an autonomous mobile device, an autonomous mobile device, and a computer storage medium are provided. The method includes: determining a plurality of candidate positions based on a first coordinate set; determining one of the candidate positions satisfying a safety condition for rotating the autonomous device as a first position; controlling the autonomous mobile device to turn at the first position so that the autonomous mobile device is perpendicular to a first boundary corresponding to the first coordinate set, and a tail of the autonomous mobile device is closer to the first boundary than a head of the autonomous mobile device; controlling the autonomous mobile device to move backward to a second position; and controlling the autonomous mobile device to turn at the second position so that the autonomous mobile device is parallel to the first boundary.Type: ApplicationFiled: March 17, 2023Publication date: September 21, 2023Applicant: Willand (Beijing) Technology Co., LTD.Inventors: Zhuo YAO, Degan LIN
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Publication number: 20230221731Abstract: A method for path planning, an automatic gardening device, and a computer program product are provided. The method includes: receiving a preset travel direction in a work region; dividing the work region into a plurality of subregions; determining, for each of the subregions, an actual planned direction in the subregion from the preset travel direction and a recommended planned direction in the subregion, and determining a local planned path corresponding to the subregion based on the actual planned direction, wherein a path of traversing the subregion along the recommended planned direction has a shortest length; acquiring a moving sequence between the subregions; and determining a global planned path of the work region based on the local planned path of each of the subregions and the moving sequence between the subregions.Type: ApplicationFiled: January 11, 2023Publication date: July 13, 2023Applicant: Willand (Beijing) Technology Co., LTD.Inventors: Chunhong LI, Degan LIN