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Depth Control of a Bioinspired Robotic Dolphin Based on Sliding-Mode Fuzzy Control Method
Apr 08, 2018Author:
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Title: Depth Control of a Bioinspired Robotic Dolphin Based on Sliding-Mode Fuzzy Control Method

 Authors: Yu, JZ; Liu, JC; Wu, ZX; Fang, H

 Author Full Names: Yu, Junzhi; Liu, Jincun; Wu, Zhengxing; Fang, Hao

 Source: IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 65 (3):2429-2438; 10.1109/TIE.2017.2745451 MAR 2018

 Language: English

 Abstract: This paper presents a hybrid controller that combines sliding-mode control (SMC) with a fuzzy strategy to regulate the vertical displacement of a bioinspired robotic dolphin. The structure of the robot and a simplified mathematical model for depth control are described. An SMC based on the line-of-sight guidance law and the slidingmode observer is developed to overcome systematic uncertainties and environmental disturbances. The Lyapunov stability theory is utilized to analyze the stability and convergence properties of the closed-loop system. Depth control in the physical robot is realized by utilizing a fuzzy logic controller, which is represented as the mapping of the input propulsion forces/ moments and output control parameters. Numerical and experimental results show that the proposed control strategy successfully steers the robot toward and along the desired depth.

 ISSN: 0278-0046

 eISSN: 1557-9948

 IDS Number: FQ8WF

 Unique ID: WOS:000418643200050

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