A portable three-dimensional macro motion device for ion current collection in cells and tissues

Abstract

The invention relates to a portable three-dimensional micro-range moving device for acquiring cell tissue ion flow, and the device comprises a three-dimensional micro-range moving manipulator, stepper motors, driving controllers, a data transmission conversion module and an upper computer; the drivers and the controllers of the stepper motors are integrally designed; the connection of a plurality of driving controllers can be realized based on the communication method of a controller area network (CAN) bus, so as to realize the synchronous control of a plurality of stepper motors; the stepper motors are controlled by software, so that high-precision real-time control is realized; and the portable three-dimensional micro-range moving device for acquiring cell tissue ion flow has the advantages of portability, light weight, strong shielding capability, high processing speed, good real-time performance, the instantaneous feedback and control of information, high-precision micro-range precise positioning, the supporting of secondary development and movement protection and the like.

Description

technical field [0001] The invention relates to the technical field of numerical control, in particular to a portable three-dimensional macro motion device. Background technique [0002] With the rapid development of science and technology, frontier fields including biological sciences and precision instruments have higher and higher requirements for measuring instruments. Measuring instruments are developing in the direction of precision, accuracy, flexibility, and portability. As As a very important actuator in the digital control system, the control technology of the stepper motor plays a vital role in this process, and it is widely used in the research of life science, material science and other fields. For example, the detection of ion flow velocity signals on plant tissues or protoplasts, the detection of membrane potential on cells, and micromanipulation such as cell separation. [0003] In recent years, due to the advantages of strong controllability and high precis...

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a portable three-dimensional macro motion device based on software control, which overcomes the shortcomings of previous equipment such as difficult control, low precision, poor real-time performance, and inconvenient portability.

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