公开(公告)号：US11408219B2

公开(公告)日：2022-08-09

申请号：US16893118

申请日：2020-06-04

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Xumin Wu ,  Zhuang Feng ,  Zijing Chang ,  Xidi Huang

IPC: E05F15/00 ,  E05F15/40 ,  E05F15/614

Abstract: A door detection method includes controlling a door of a spreading apparatus to move toward to a preset position, obtaining first status information of an associated component of the door when the door stops moving, and determining whether the door has moved to the preset position according to the first status information and second status information. The second status information is status information of the associated component when the door is located at the preset position.