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Title: A review study on bio-inspired robotic fish

Authors: Mansi Saxena; Nathi Ram Chauhan

Addresses: M.Tech (Robotics & Automation) Scholar, Department of Mechanical & Automation Engineering, Indira Gandhi Delhi Technical University for Women (IGDTUW), Kashmere Gate, Delhi 110006, India ' Associate Professor & Head, Department of Mechanical & Automation Engineering, Indira Gandhi Delhi Technical University for Women (IGDTUW), Kashmere Gate, Delhi 110006, India

Abstract: The paper presents a comprehensive review of design, modelling and performance parameters of robotic fish. Bio-robotics capitalises on the natural behaviours of biological systems to facilitate new designs for robots. The propulsion mechanism employed by natural fishes is imitated for designing of robotic fishes. Fishes have two locomotion modes, body and/or caudal fin (BCF) mode and median and/or paired fin (MPF) mode. These modes have been studied in this paper, so as to facilitate easy selection of a specific mode according to the application. A robotic fish system includes different subsystems (such as mechanical unit, control unit and actuation unit). These along with various materials and components used in these subsystems have been overviewed. Further study has been carried out to understand the dynamic characteristics of a robotic fish model. Performance parameters of the robotic fish are discussed in this paper. Various innovative approaches towards designing of robotic fish and the issues that need to be resolved are also discussed.

Keywords: BCF; bio-mimetics; bio-robotics; MPF; robotic fish; strouhal number.

DOI: 10.1504/IJMRS.2017.10008252

International Journal of Mechanisms and Robotic Systems, 2017 Vol.4 No.1, pp.1 - 23

Received: 01 Jul 2016
Accepted: 09 Jan 2017

Published online: 04 Oct 2017 *

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