Wuhan Lianyi Heli Technology Co., Ltd

State Grid Corporation of China

China Electric Power Research Institute

Hubei Electric Power Transmission&distribution Engineering Co.

Yong Li

Hong Cao

Ming Wang

Zexin Zhou

Lei Wang

Bin Chen

Zhiwei Gong

Xinyu Ye

Yu Lu

Wenming Tang

Yuni Chen

Dingxiang Du

Xingguo Wang

Huanzhang Liu

Pengfei Lv

Min Zhang

Siqi Guo

Guosheng Yang

Siye Ruan

Mingliang Jin

Jian Shi

Ying Yang

Jinge Li

Chen Zeng

Wenmin Wang

Bin Ji

Wenhuan Xiong

Wenkai Yi

Haibo Zhu

Zhengyun Liu

A line current i(k) of an M side of a first direct-current transmission line is collected at a moment k. A line current i(k−t) thereof is collected at k−t. At a moment k, a differential value di(k) of a current of the side of the first direct-current transmission line is calculated according to the line current i(k) and the line current i(k−t). It is determined whether the differential value di(k) of the current meets a protection enabling criteria. If so, direct-current protection for the M side of the first direct-current transmission line is enabled. A line current i(j) of the M side of the first direct-current transmission line is collected at a moment j. A line current i(j−t) thereof is collected at a moment j−t. A differential value di(j) of the current of the M side of the first direct-current transmission line at the moment j is calculated according to the line current i(j) and the line current i(j−t).

Direct-current transmission line protection method and system based on pure current characteristics

Disclosed are a photography control method, device, non-transitory storage medium and system of an intelligent photography system. The photography control method of the intelligent photography system includes: acquiring a target positioning image shot by the search camera and a viewfinder screen image shot by the shooting camera, and transmitting the target positioning image and the viewfinder screen image to a remote terminal for the remote terminal to generate a search camera angle adjustment instruction according to the target positioning image and the viewfinder screen image; receiving the search camera angle adjustment instruction sent by the remote terminal; and acquiring an angle adjustment parameter according to the search camera angle adjustment instruction to control the search camera to adjust an angle.

Photography control method, device, non-transitory storage medium and system of intelligent photography system

Disclosed is an intelligent photography system including an intelligent tripod head, a search camera, a shooting camera, a communication component and a control component. The search camera is mounted on the intelligent tripod head, and configured to search for a target to be shot. The shooting camera is mounted on the intelligent tripod head, and configured to take a target image. The communication component is fixed on the intelligent tripod head. The control component includes a circuit board component electrically connected with the intelligent tripod head, the search camera, the shooting camera and the communication component respectively, so that remote control of the shooting camera for shooting is realized, photographers are freed, and better effects are achieved.

Intelligent photography system

Growing community of inventors

Wuhan, China

Yong Li