"Input parameters and click to start the simulation!" At the Qingdao Innovation and Development Base of the Harbin Engineering University and Yantai Research Institute, students entered the parameters into the system, the results immediately appeared on a computer screen in a laboratory nearly 2000 kilometers away.
Virtual ships and ship models can change their course in accordance with the changes of the parameters in real time. Students can enter the 3D virtual simulation of the marine environment and "closely contact" with the ship to improve their learning interest and effect.
Li Bing and his team, from College of Intelligent Systems Science and Engineering, actively promoted the construction of new engineering subjects, strengthen the cross- expansion of traditional automation specialty and "intelligence+". They introduced 5G technology, mixed reality, digital twin technology, etc. into the development of experimental teaching instruments and equipment.
They also used the virtual simulation experiment teaching platform for ship navigation posture control to break through the space and time constraints in the experimental course, so that students can navigate in the "sea" wherever and whenever they are, which accelerates cultivation of innovative new engineering talents.
Combining the virtual world with reality,
immersive practice can improve students manual ability.
When you log in to the client, scan the pictures in the textbook "Ship Navigation Posture Control", and a 3D virtual image or video data will appear. The ship model "appears" out of the book and helps students manually observe the virtual model from all directions. A VR headset allows students to "travel" the ocean world through the locator and control handle. The entire scientific process has made student very happy.
According to Li Bing, “ship automation and related subjects require a large number of experiments. While the equipment of ship and sea experiments is huge and the operation cost is high. Besides, it is impossible for teachers and students to teach in a real marine environment. The "Virtual Simulation Experiment Teaching Platform for Ship Navigation Posture Control" we developed has solved this problem. Through the platform, students have a direct understanding of the teaching content, and can also test and verify the theoretical analysis results." The platform provides a "virtual+reality" navigation scene: one is a virtual scene of ship navigation, the other is a scaled object.
After landing on the platform, students can learn online, complete four experimental steps: marine environment interference, ship course control, anti-rolling control, and comprehensive control of navigation posture, and 15 experimental steps. Through the platform, students can see the ship's motion track and each specific space coordinate point it passes through. After the experiment is completed, the system will automatically score and generate an experiment report.
"The platform’s effective expansion of the experimental teaching content facilitates students' repeated exploration, their mastering of knowledge, and the improvement of their comprehensive ability to solve practical problems." Li Bing said, "after the equipment is turned on, you enable the wave making and wind making system, and students can observe the impact of environmental interference on the water surface and ocean moving objects..."
The wind and wave making system can fully simulate the wind and waves in the ocean. In the laboratory pool, students can carry out multi-type, multi-mode, and multi-object ocean motion control experiments on the system according to their need. The platform can also set a variety of wave models, wave direction, and wave height parameters, and independently select control strategies and controller parameters. The system can display the motion track of the ocean moving model in the pool collected by the camera in real time, and intuitively help students experience the influence of different environmental interference, control strategies, and other factors on the motion of the ocean moving body by changing the experimental type and experimental parameter settings.
