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公开(公告)号：US20210064065A1
公开(公告)日：2021-03-04
申请号：US17096782
申请日：2020-11-12
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Fucai CHEN , Jiang YAN
Abstract: The present application provides a device, a mobile robot, and a system to operate a method for navigation path tracking control. The device includes: one or more storage media, storing a set of instructions for tracking and controlling a navigation path; and one or more processors in communication with the one or more storage media, wherein during operation the one or more processors execute the set of instructions to: obtain a location of a mobile robot; determine, in a navigation path, a target point that satisfies a preset location relationship with the location of the mobile robot; and control the mobile robot to move toward the target point in the navigation path. In this way, accurate tracking control is implemented on the navigation path of the mobile robot, and accuracy and robustness of tracking control are improved.
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公开(公告)号：US20210237871A1
公开(公告)日：2021-08-05
申请号：US17238188
申请日：2021-04-22
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Abstract: Embodiments of the present disclosure provides method, device, and storage medium for flight trajectory replay. The method includes obtaining flight state data collected by an aircraft at a plurality of flight times, and generating an original flight path based on the flight state data, the flight state data including at least one of a position, a speed, or an acceleration of the aircraft; determining a safe speed of each position in the original flight path based on the original flight path; and generating a replay trajectory based on the safe speed of each position, and generating a control instruction based on the replay trajectory for controlling the aircraft to fly along the replay trajectory. While generating the replay trajectory, the aircraft can fly at a constant speed during the replay.
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