From Superinnovators 17/01/24
Innovators from China’s Shanghai Jiao Tong University unveiled the Nezha-F drone in April 2023 that can fly in the air then dive into water, navigate vertically underwater, then resurface and take off again.
When underwater it retracts four propeller arms and goes into submarine mode, using a piston buoyancy adjustment system to vary its depth up to 8m and can stay submerged for 29 hours.
The Nezha-F, a hybrid aerial underwater vehicle (HAUV), is one of a series, including the larger Nezha IV unveiled in Nov 2023 that has underwater thrusters.
Nezha-F research was published in IEEE Robotics and Automation Letters journal and Nezha IV in Wiley Journal of Field Robotics.
More info:
https://zhuanlan.zhihu.com/p/621441960
https://ieeexplore.ieee.org/document/10058166
https://onlinelibrary.wiley.com/doi/abs/10.1002/rob.22274
More info
https://zhuanlan.zhihu.com/p/621441960
https://ieeexplore.ieee.org/document/10058166
https://onlinelibrary.wiley.com/doi/abs/10.1002/rob.22274
