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]

Core Viewpoint - The development of the agile underwater robot "Turtle" by Harbin Engineering University represents a significant advancement in underwater observation technology, enabling precise, efficient, and environmentally friendly exploration of marine environments [1][4]. Group 1: Technological Innovations - The "Turtle" robot reduces sediment disturbance by 90%, allowing for clearer underwater observations compared to traditional robots that create significant sediment clouds [2][3]. - A mathematical model was developed to predict the robot's low disturbance performance, enhancing research efficiency and reducing the need for extensive physical testing [3]. - The robot's stability has improved by 7.16 times, allowing it to maintain close proximity to the seabed while effectively adjusting its posture in response to external forces [5][6]. Group 2: Navigation and Maneuverability - The introduction of a posture constraint algorithm allows the "Turtle" robot to achieve 360-degree maneuverability, enabling it to navigate complex underwater terrains with ease [7]. - The robot demonstrated its agility through a practical test, successfully completing a challenging task in a confined space, showcasing its advanced navigation capabilities [8]. Group 3: Future Applications - The "Turtle" robot is expected to play a crucial role in coral observation, underwater rescue, and mining operations, with plans to enhance its functionality by adding features like macro cameras and robotic arms for more versatile applications [8].