Investigation on the Impact of Excitation Amplitude on AFM-TM Microcantilever Beam System's Dynamic Characteristics and Implementation of an Equivalent Circuit.

Peijie Song, Xiaojuan Li, Jianjun Cui, Kai Chen, Yandong Chu

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Article in Sensors (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Peijie SongSchool of Electrical Engineering. Lanzhou Jiaotong University, Lanzhou 730070, China.ORCID 0009-0009-6481-631X

Xiaojuan LiGansu Institute of Metrology, Lanzhou 730050, China.

Jianjun CuiGeometric Sciences Institute, National Institute of Metrology, Beijing 100013, China.

Kai ChenGeometric Sciences Institute, National Institute of Metrology, Beijing 100013, China.

Yandong ChuSchool of Electrical Engineering. Lanzhou Jiaotong University, Lanzhou 730070, China.

Funding

Gansu Provincial Institute of Metrology GJY2023003Gansu Provincial Science and Technology Department 23JRRA1710National Institute of Metrology AKYZD1804-1Tibet Autonomous Region Science and Technology Agency XZ202301YD0004C

6 · The paper itself

Abstract

Alterations in the dynamical properties of an atomic force microscope microcantilever beam system in tapping mode can appreciably impact its measurement precision. Understanding the influence mechanism of dynamic parameter changes on the system's motion characteristics is vital to improve the accuracy of the atomic force microscope in tapping mode (AFM-TM). In this study, we categorize the mathematical model of the AFM-TM microcantilever beam system into systems 1 and 2 based on actual working conditions. Then, we analyze the alterations in the dynamic properties of both systems due to external excitation variations using bifurcation diagrams, phase trajectories, Lyapunov indices, and attraction domains. The numerical simulation results show that when the dimensionless external excitation

Indexed as

atomic force microscopyequivalent circuitMultisimmultistabilitynonlinear dynamic system

Identifiers

PMID38202969

DOI10.3390/s24010107

PMCPMC10781406

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