水下无人系统学报2026，Vol.34Issue(4)：770-777,8.DOI:10.11993/j.issn.2096-3920.2025-0164
基于EAP材料驱动的仿生鱼尾鳍设计与仿真
Design and Simulation of Biomimetic Fish Caudal Fin Driven by EAP Materials
摘要
Abstract
With the continuous development of marine conservation and exploration,traditional underwater actuation devices have inherent drawbacks such as complicated structures and low motion efficiency.Flexible materials have gradually become a research focus in the field of underwater biomimetic actuation due to their advantages of strong adaptability,high safety,and sufficient flexibility.Relying on the material advantages of high energy density and high electromechanical coupling efficiency of electroactive polymer(EAP),and combining the flexural deformation and elastic recovery effects of a spring,this paper designed a cylindrical biomimetic caudal fin actuator by simulating the periodic deformation process of contraction and relaxation of the body-caudal fin(BCF)propulsion mode,which could achieve the continuous compliant changes of the caudal fin muscle.Based on hydrodynamic theory,this study systematically analyzed the coupling mechanism between the movement law of the caudal fin and the propulsion force,constructed an instantaneous mechanical model of fin ray oscillation,and integrated experimental data for solution.Furthermore,this study established a three-dimensional numerical simulation model using Fluent software and verified the effectiveness of the model through the comparative analysis between the dynamic mesh calculation results and the mechanical model prediction results.This study provides theoretical support and experimental basis for the design and development of new biomimetic fish.关键词
仿生鱼/尾鳍/电活性聚合物/身体-尾鳍推进模式Key words
biomimetic fish/caudal fin/electroactive polymer/body-caudal fin propulsion mode分类
军事科技引用本文复制引用
王思蛟,张豪毅,陈彦霖,曹凯明..基于EAP材料驱动的仿生鱼尾鳍设计与仿真[J].水下无人系统学报,2026,34(4):770-777,8.基金项目
陕西省科技厅青年基金(K20210091). （K20210091）
