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Underwater Undulating Propulsion Biomimetic Robots: A Review
Gongbo Li1, Guijie Liu1, Dingxin Leng1
1Department of Mechanical and Electrical Engineering, Ocean University of China, Qingdao 266000, China.
Biomimetics (Basel, Switzerland)
|July 28, 2023
Summary
Underwater biomimetic robots with undulating propulsion offer superior stability and maneuverability compared to traditional propeller-driven robots. This review classifies these robots and summarizes propulsion mechanisms, highlighting future research directions.
Area of Science:
- Robotics
- Marine Engineering
- Biomimetics
Background:
- Traditional propeller-based propulsion for underwater robots is inefficient and impractical.
- Underwater biomimetic robots exhibit enhanced stability and maneuverability, especially in challenging marine conditions.
- Undulating propulsion biomimetic robots represent a promising advancement in underwater robotics.
Purpose of the Study:
- To classify existing underwater biomimetic robots.
- To outline the main contributions of these robots to the field.
- To summarize propulsion mechanisms of undulating biomimetic robots based on diverse studies.
Main Methods:
- Literature review and classification of underwater biomimetic robots.
- Synthesis of theoretical, numerical, and experimental studies on propulsion mechanisms.
- Identification of research gaps and future perspectives.
Main Results:
- Underwater biomimetic robots, particularly those using undulating propulsion, demonstrate significant advantages over traditional designs.
- A comprehensive classification of current underwater biomimetic robots and their contributions is presented.
- Key propulsion mechanisms are summarized, supported by theoretical, numerical, and experimental evidence.
Conclusions:
- Undulating propulsion biomimetic robots are a viable and superior alternative to propeller-based systems for underwater applications.
- This review provides a foundational understanding and identifies critical areas for future research in biomimetic underwater robotics.
- The findings aim to guide the development of more efficient and capable underwater robotic systems.

