Ji Xiaoyin

Bio: Ji Xiaoyin is an academic researcher. The author has contributed to research in topics: Propulsion & Automatic control. The author has an hindex of 2, co-authored 2 publications receiving 9 citations.

Unmanned powered ship model with positioning and obstacle avoiding functions

Abstract: The utility model provides an unmanned powered ship model with positioning and obstacle avoiding functions, which includes a ship body and two sets of propeller electric propulsion devices, wherein a positioning device, a laser detecting device, a radio receiving and sending device, a ship model movement sensor, a ship model movement control module, a power supply conversion module and a storage battery are mounted on the ship body. The positioning system can be used for automatically and precisely positioning, and meets requirement for indoor and outdoor scientific experiments of the ship model; the laser detecting device is used for measuring distance and orientation of a barrier, and meets the requirement for scientific research on automatic obstacle avoiding of the ship model; the ship model adopts two electrodynamic force propellers in bilateral symmetry and capable of stepless speed change to change the pushing force generated by the propellers, so as to integrate the propulsion and control of the ship model; and the ship model adopts a computer controller and a radio communication system, realizes autonomous control, and can be controlled in a remote manner, thereby facilitating the scientific research on the ship model.

Unmanned dynamic ship model with localization and obstacle avoidance functions

Abstract: The invention provides an unmanned dynamic ship model with localization and obstacle avoidance functions. The unmanned dynamic ship model comprises a ship body and two sets of propeller electric propulsion devices, wherein a localization device, a laser detection device, a radio receiving and transmitting device, a ship model motion sensor, a ship model motion control module, a power supply conversion module and a storage battery are arranged on the sip body, the localization device can be used for localizing automatically and accurately, so that the requirements of indoor and outdoor scientific experiments on the ship model are met; the laser detection device is used for measuring the distance and position of an obstacle, so that the requirement of scientific research on automatic obstacle avoidance of the ship model is met; two bilaterally-symmetric stepless speed change electric power propellers are adopted for the ship model, and thrust force generated by the propellers can be changed, so that propelling and operation of the ship model are combined; and a computer controller and a radio communication system are adopted for the ship model, and automatic control and remote control for the ship model can be realized, so that convenience is brought to scientific research of the ship model.

Aquaculture online monitoring system capable of automatically cruising

Abstract: The invention provides an aquaculture online monitoring system capable of automatically cruising. The aquaculture online monitoring system comprises an online monitoring ship, a hand-held remote control terminal and a remote monitoring platform. The online monitoring ship comprises a hull, an automatic ship control part, an environment and ecology online monitoring part, a wireless communication module, a hybrid power supply system and an automatic sleeping module, wherein the automatic ship control part is partially installed on the hull; the environment and ecology online monitoring part is used for monitoring the aquaculture environment and ecology and giving an early warning when environmental and ecological indicators exceed a set threshold range; the wireless communication module is connected with the automatic ship control part and the environment and ecology online monitoring part; the hybrid power supply system is installed on the hull; the automatic sleeping module is installed on the hull and used for automatically sleeping when the monitoring ship does not need to perform monitoring or sailing; the hand-held remote control terminal and the remote monitoring platform are both connected with the wireless communication module; the hull is made of aluminum alloy. The aquaculture online monitoring system has the advantages of being capable of automatically cruising, performing online monitoring and regulation on the environment and ecology and performing remote platform control.

Automatic cruising method and cruising device

Abstract: The invention discloses an automatic cruising method and a cruising device, and automatic cruising can be realized without limitation of satellite signals. The automatic cruising method comprises that the cruising device receives target cruising point information; when it is determined that the indoor navigation condition is met, a picture of a current cruising position is collected in real time, and the cruising device is navigated to a position indicated by the target cruising point information according to the picture of the cruising point; and when it is determined that the indoor navigation condition is not met, the cruising device is navigated to the position indicated by the target cruising point information by utilizing GPS.

Online automatic control method for dual direction-changing side paddles of lake and reservoir workboat

Abstract: The invention discloses an online automatic control method for dual direction-changing side paddles of a lake and reservoir workboat The workboat mainly comprises a boat body, side paddles, a propeller and a monitoring system The monitoring system comprises a control unit, a navigation unit, an obstacle avoidance unit, a wind-wave monitoring unit, a wireless communication module and a power supply system The method comprises the steps of setting a sailing path of the workboat; detecting the working state of the workboat; controlling the moving state of the workboat; performing adjustment on deviation of the workboat from the sailing path; performing adjustment on obstacle avoidance of the workboat; and keeping a stable state of the workboat at a target point According to the invention, the propeller and dual side paddles capable of adjusting the speed in direction changing are used, and the control unit is utilized to control the direction and the rotating speed, so that efficient sailing of the workboat in various moving modes is realized Meanwhile, the working state of the workboat is monitored by using a sensor, so that the flexibility of motion control for the workboat is enhanced, influences imposed on the workboat by wind and water flow are effectively resisted, and the workboat is enabled to keep stable at the target point under interference of wind and waves

Unmanned transport ship

Abstract: The embodiment of the invention discloses an unmanned transport ship. The unmanned transport ship comprises a cabin, a controller arranged inside the cabin, a propeller at the rear of the cabin, and anavigation device arranged above the cabin, wherein, after receiving an instruction for starting the unmanned transport ship, the controller can control the navigation device to plan a navigation route according to target position information contained in the instruction, and after receiving the navigation route transmitted by the navigation device, controls the propeller to work so that the unmanned transport ship can move along the navigation route. The unmanned transport ship can automatically plan the navigation route according to the received instruction for starting the unmanned transport ship, thereby saving manual control, and compared with a manner of controlling the unmanned transport ship to move with a remote control in the prior art, saving labor and cost and achieving automatic motion without manual control.

Cluster cooperative combination type unmanned boat system and control method thereof

Abstract: Disclosed are a cluster cooperative combination type unmanned boat system and a control method thereof The unmanned boat system comprises a plurality of monohull ships, wherein one side faces of the monohull ships are provided with electromagnet suction devices, and the other side faces of the monohull ships are provided with hull sucking surfaces, and the plurality of monohull ships are sucked together by virtue of the electromagnet suction devices and the hull sucking surfaces to form a combination Each monohull ship is provided with a GPS location device, marine obstacle avoidance radar, a communication antenna, a master controller and an underwater 360-degree whole cyclotron propeller Each monohull ship is in the structure of prism or hexagon and the hull sucking surfaces of all the monohull ships are made of magnetic materials According to the invention, stability is increased by using the mode of cluster cooperative combination, the needs of different tasks are satisfied, and the working efficiency is greatly improved Moreover, the unmanned boat system has the advantages of simple and efficient structure and flexible operation