Results 91 to 100 of about 1,206,472 (190)
Depth control of bionic robotic fish based on fuzzy PID algorithm
Abstract This paper proposes a staged depth control method based on fuzzy PID control to improve the execution of various underwater tasks by robotic fish in pectoral and caudal fin co-propulsion modes in complex underwater environments.
Kun Chen +3 more
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Motion Control Optimization of Robotic Fish Tail
In the daily life people, animals, fishes, birds and insects constantly interact with continuous media such as air or water. It means that synthesis of new robotic systems inside this continuous media and imitation of motion of real objects must be ...
Kruusmaa, Maarja +2 more
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UWB Positioning Technology in Advancing Robotic Fish Navigation
This study integrates ultra-wideband (UWB) positioning technology with bionic robotic fish to enhance its navigation. First, we address the multi-path interference of UWB and robot oscillation interference using statistical methods and sliding window ...
Liu, Yu +6 more
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Hydrodynamic Performance of Efficiency Transition Point of Forked Caudal Fins
Thunniform fish has high swimming speed and swimming efficiency and thus becomes the ideal biological prototype of bionic robotic fish. In order to study the hydrodynamic characteristics of the efficiency transition point of the forked caudal fins of ...
Zhongying XIONG, Yueyao LIU
doaj +1 more source
A Nonlinear Numerical Simulation Method of Bionic-Robot-Fish Quick Start
Fishtail skeleton, muscles and nerves controlling body swinging were simulated using alloy sheet, giant magnetostrictive material (GMM) posted on this sheet and outside magnetic field in this study. Thus, the quick start of part natural fishes was simulated.
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本文以自行研制的仿生型机器鱼为平台,针对仿生机器鱼的自主避障功能展开工作。着重阐述了三个部分:仿生机器鱼系统总体设计,模糊控制策略与BK乘积关系,以及如何实现仿生机器鱼的自主式避障。在系统总体设计部分,详细给出了仿生机器鱼的软硬件结构以及核心传感器,分析其航行过程尾鳍的调整过程,说明为何采用模糊的控制理念。详细分析了用于环境障碍物检测的单波束声呐的工作机制,说明其在收集环境信息时的工作原理。在给出模糊控制策略与BK乘积关系时,着重给出了二者的基本定义,以及两者之间的转换关系 ...
史运田
core
Vision-Based Obstacle Avoidance and Formation Control for Underwater Robotic Fish
This letter aims to enhance the autonomy of bionic robotic fish formation in executing underwater tasks by integrating visual recognition and control systems.
Yuan, Xiangqing +7 more
core +1 more source
Design and development of autonomous robotic fish for object detection and tracking
In this article, an autonomous robotic fish is designed for underwater operations like object detection and tracking along with collision avoidance.
Li S(李硕) +9 more
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Robotic animals are nowadays developed for various types of research, such as bioinspired robotics, biomimetics, and animal behavioral studies. The design of these robots poses great challenges as they often have to achieve very high-level performances ...
Bonnet, Frank +6 more
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New Designs of Fin Type Propulsive Devices of Robotic Fish
Dynamics of a fin type propulsive device of robotic fish moving inside water is studied. On the basis of Pontryagin’s maximum principle the optimal control law for variation of additional area of vibrating tail, which ensures maximal positive impulse of ...
Kruusmaa, Maarja +5 more
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