Magnetic field control system for driving magnetic micro-nano robot

Abstract

The invention provides a magnetic field control system for driving a magnetic micro-nano robot. The magnetic field control system comprises a circuit board, a power amplifier, a base, a Helmholtz coil, a mobile platform and a microscopic observation platform, wherein the circuit board, the power amplifier and the Helmholtz coil are sequentially connected, and the base is connected with the Helmholtz coil, the mobile platform and the microscopic observation platform; the circuit board is used for receiving digital signals, converting the received digital signals into current signals and outputting the current signals to the power amplifier; the power amplifier is used for receiving the current signals output by the circuit board, amplifying the current signals and outputting the amplified current signals to the Helmholtz coil; the base is used for connecting the Helmholtz coil, the mobile platform and the microscopic observation platform; and the Helmholtz coil is used for generating acorresponding magnetic field so as to control the three-dimensional motion of the magnetic micro-nano robot. The magnetic field control system has the advantages of high control precision, stable working performance, easy kinematics calculation, simple mechanical structure design and convenient implementation.

Description

technical field [0001] The invention relates to the mechanical field, in particular to a magnetic field control system for driving a magnetic micro-nano robot. Background technique [0002] Synthetic micro-nanorobots can be powered by different energy sources. The most commonly used ones are based on localized chemical energy conversion, using the generated microbubbles (e.g. O2, H2, CO2) or molecular concentration gradients, which can spontaneously propel the micro / nano motors in a directed manner. [0003] However, fuel degradation due to the use of external chemical sources for chemically powered micro-nanorobots greatly hinders their application in biological environments. Biocompatible fuels and various other types of propulsion mechanisms are now being explored in depth, including the enzymatic breakdown of glucose or urea, the reaction of reactive metals with water or acids, etc. Fuel-free synthetic micro-nanorobots driven by external fields, such as light, magnetic...

AI Technical Summary

Problems solved by technology

Many of today's coils are larger and bulkier and do not integrate well with microscopes

Usually due to the distance from the observation center, the strength of the magnetic field decays quickly

At the same time, because the coil generates a lot of heat when it is working, the energy conversion efficiency becomes lower, the magnetic field strength decreases accordingly, the energy consumption increases, and the system cannot even continue to work.

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