Core Insights - The article highlights the development of an agile underwater robot named "Turtle" by a team led by Professor Wang Gang from Harbin Engineering University, which marks a significant advancement in underwater exploration technology [2][3] - The "Turtle" robot achieves centimeter-level breakthroughs in near-bottom environmental observation and challenges the traditional perceptions of underwater robots as clumsy and rigid [2] Group 1 - The "Turtle" robot features a unique propulsion method that reduces water disturbance while maintaining efficient movement, leading to a 90% reduction in sediment interference during navigation [3] - The team developed a mathematical formula linking the robot's low disturbance navigation performance with its propeller layout and external parameters, significantly enhancing research and development efficiency [3] - The introduction of a "three-point inertial measurement perception method" allows the robot to instantaneously sense its environment, reducing data noise by approximately 76.2% and improving response time by 1.1 times [3] Group 2 - The stability of tilt control has improved by 7.16 times due to continuous efforts in refining the tracking algorithm with the inclusion of a posture constraint algorithm, enhancing the robot's agility [3] - The "Turtle" robot's 360-degree flexible movement successfully overcomes technical limitations in underwater navigation across complex seabed terrains, making it suitable for coral observation, underwater fishing, and search and rescue operations [3]