Dive into the cutting-edge world of autonomous water rescue technology with this comprehensive guide to designing and implementing multi-functional rescue robots. This groundbreaking work bridges the gap between surface and underwater rescue operations, presenting a systematic approach to developing robots capable of performing in both environments. Through detailed analysis of existing systems like EMILY and U-SAFE, the book identifies current limitations and proposes innovative solutions using advanced mechanical, electrical, and control systems. Readers will discover practical insights into hull design, ballast tank systems, propulsion mechanisms, and sophisticated control algorithms that enable precise maneuvering and adaptive buoyancy. Whether you're an engineering professional, researcher, or student, this book provides invaluable knowledge for creating robust rescue robots that can transform maritime emergency response. With detailed SolidWorks implementations, real-world testing results, and future development possibilities, this resource serves as an essential blueprint for advancing the field of autonomous water rescue technology.