Latest Papers

ASME Journal of Mechanisms and Robotics

    Hydrodynamics Modeling of a Piezoelectric Micro-Robotic Fish With Double Caudal Fins


    An analytical hydrodynamics model for a piezoelectric micro-robotic fish with double caudal fins is presented in this paper. The relation between displacement of the piezoelectric actuator and oscillating angle of the caudal fin is established based on the analysis of the flexible four-bar linkage transmission. The hydrodynamics of caudal fins are described by airfoil and blade element theories. Furthermore, the dynamics and kinetics of the whole micro-robotic fish are analyzed and validated by experiments.

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