Dual resonance frequency driving method of magnetic mini travel robot

A dual-resonant frequency, driving method technology, applied in piezoelectric effect/electrostrictive or magnetostrictive motors, generators/motors, electrical components, etc., can solve the problem of inability to achieve two-way swimming, difficult robot control, leakage Safety and other issues, to achieve the effect of improving reliability and practicability, easy detection, and stable attitude

Inactive Publication Date: 2005-04-06
DALIAN UNIV OF TECH
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Problems solved by technology

[0004] The currently developed swimming micro-robots mainly include the following types. For example, Professor Toshio Fukuda of Japan developed a swimming micro-robot based on the principle of bionics using piezoelectric materials; Swimming micro-robots, the above-mentioned micro-robots have slow response and low efficiency due to dragging cables, and there are problems such as leakage safety when driving in the human body, especially the two-way swimming of entering and exiting the body required in medicine cannot be realized
[0005] Facts have proved that the cable-free driving method using magnetic field control is the key to improving the practicability and reliability of micro-robots. Therefore, magnetic-controlled micro-robots quickly become a research hotspot in the world. Tail fins, developed microrobo

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  • Dual resonance frequency driving method of magnetic mini travel robot
  • Dual resonance frequency driving method of magnetic mini travel robot
  • Dual resonance frequency driving method of magnetic mini travel robot

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Embodiment Construction

[0039] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.

[0040] Structural representation of the above-mentioned embodiment scheme onefigure 2 In the process, the structural design of the front-end driver 1 and the back-end driver 3 must first be completed. The front and rear drivers are different kinds of substrates, and the two kinds of substrates are selected to have the same overall dimensions. The thickness of the magnetostrictive material film is adjusted so that the second-order resonant frequency of the film with a small elastic modulus of the substrate is the second-order resonant frequency of the film with a large elastic modulus of the substrate to satisfy the following relationship, the second-order resonant frequency of the front-end driver 1 The range of frequency is 10 to 30 Hz, the range of the second-order resonance frequency of the back-end driver 3 is 50...

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Abstract

This invention belongs to automatic engineering technique field and relates to a basic method to realize the double-direction swim of micro robot in sealed tube through magnetic field driving. It provides a double-direction driving model with robot head and tail which have two resonance frequency driver thin films according to push characteristics of vibration thin film and liquid couple and thin film each phase of resonance frequency relation characteristics. It generates drive magnetic field through Helmholtz double coil driving between two resonance frequency of the front and back thin film driver to realize the continuous adjusting and position control of the robot swimming speed.

Description

technical field [0001] The invention belongs to the technical field of automation engineering, and relates to a basic method for driving and controlling a micro-robot to realize bidirectional bionic swimming in a liquid-filled closed pipeline through an external magnetic field. Background technique [0002] The magnetically controlled cableless drive micro-robot is closer to the natural state, and has the characteristics of high reliability and safety when working in the human body. With the body fluid in the soft and elastic tissues of the human body as the medium, it can reach deep parts in the body. Therefore, swimming microrobots provide an important operation form for in vivo interventional therapy, and have broad application prospects in the field of medical engineering. [0003] The operating environment of medical micro-robots is the intestinal tract, urinary system, blood vessels, etc. in the body. The environment is characterized by a narrow space surrounded by so...

Claims

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Application Information

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IPC IPC(8): A61B1/00H02N2/00
Inventor 张永顺戴桓震贾振元郭东明
Owner DALIAN UNIV OF TECH
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