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Biomimetic robot fish with dual drive systems

A driving system and robotic fish technology, applied in the field of bionic robotic fish, can solve the problems of single system and large turning radius, etc.

Pending Publication Date: 2019-05-21
CHINA JILIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The single propulsion system and large turning radius are the shortcomings of the current bionic robot fish

Method used

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  • Biomimetic robot fish with dual drive systems
  • Biomimetic robot fish with dual drive systems
  • Biomimetic robot fish with dual drive systems

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Embodiment Construction

[0022] The design and manufacture process of the present invention will be described in detail and completely below in conjunction with preferred embodiments of the present invention and accompanying drawings.

[0023] First of all, it needs to be explained that the preferred embodiment is a flounder flounder type dual-drive bionic robotic fish. The flat body of flounder flounder increases the stability when swimming. The purpose of the present invention is to improve the maneuverability of the bionic robotic fish and improve the efficiency of the drive system. The technology adopted is the mixed drive of the tail drive system and the chest drive system, and the center of gravity adjustment system completes the pitch adjustment. According to the sine wave theory, the three-joint drive system composed of the tail steering gear and the tail fin makes sine waves. The steering gear uses a 20kg high-torque two-axis digital steering gear with a rated voltage of 6V and a controllable ...

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Abstract

The invention discloses a biomimetic robot fish with dual drive systems, belongs to the field of underwater vehicles, and particularly relates to a biomimetic robot fish used in an underwater vehicle.A traditional underwater vehicle is propelled by propellers, and the traditional underwater vehicle has the disadvantages that the propelling way is monotonous, the turning radius is large, the efficiency is low, and the motility is poor. Based on a flounder living prototype, the dual-drive biomimetic robot fish is designed, wherein the dual-drive biomimetic robot fish is in a flat shape, simplein structure and flexible in movement. A three-joint driving system on the tail portion is a main driving system, a pectoral fin driving system is an auxiliary driving system, by controlling rotationof left and right pectoral fins, no-radius turning is achieved, and by controlling the position of the gravity center through a gravity center adjusting system, it is achieved that the fish rises andsubmerges. The biomimetic robot fish is characterized in that one tail fin and the two pectoral fins are designed to complete driving of the biomimetic robot fish, quick starting and stopping and no-radius turning can be achieved, control over pitching of the biomimetic robot fish is completed through the gravity center adjusting system, and power is supplied by using a rechargeable lithium battery; a front shell is made from nylon and glass fibers, and a rear shell is made from a soft thin film.

Description

technical field [0001] The invention relates to the field of underwater vehicles, in particular to a bionic robot fish in the underwater vehicle, and is suitable for solving the design problem of the bionic robot fish and the efficiency problem of a propulsion system. Background technique [0002] In order to meet the needs of developing marine resources and developing the blue economy, since the 1990s, bionic robot fish has become the focus of people's development. Traditional underwater vehicles use propellers to generate thrust to move forward. The propellers have low efficiency and are easily disturbed by lateral vortices. At high speeds, noise will be generated due to the formation of cavitation. [0003] Compared with traditional underwater vehicles, bionic robotic fish has the advantages of stability, high efficiency, low noise and good flexibility. A high-efficiency propulsion system helps to save energy, improve battery life, and expand the operating range. The c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63C11/52B63G8/08B63G8/14
Inventor 刘继鑫严天宏赵梓奎
Owner CHINA JILIANG UNIV
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