Resonance suppression on nanoscale viscoelasticity measurement

Yi Hao Du; Ping Xie; Lei Zhang; Qing Ze Zou

doi:10.3969/j.issn.1000-1158.2015.05.06

Resonance suppression on nanoscale viscoelasticity measurement

Yi Hao Du, Ping Xie, Lei Zhang, Qing Ze Zou

School of Engineering, Mechanical & Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Aiming at the cantilever resonance leads to large measurement data errors in indentation measuring soft material, a method to suppress the cantilever resonance on the broadband viscoelasticity measurement is proposed. A notch filter type prefilter based on z-axis dynamics is designed, and used to filter the input drive voltage; An adaptive filter based on the least mean square (LMS) is designed, and referring to the Hertz contact model to filter the complex compliance of soft materials, furtherly eliminate the residual cantilever resonance effects in input link and output link. The validity of the cantilever resonance suppression method is verified by implementing the polydimethylsiloxane (PDMS) sample viscoelasticity measurement.

Original language	English (US)
Pages (from-to)	473-476
Number of pages	4
Journal	Jiliang Xuebao/Acta Metrologica Sinica
Volume	36
Issue number	5
DOIs	https://doi.org/10.3969/j.issn.1000-1158.2015.05.06
State	Published - Sep 22 2015

All Science Journal Classification (ASJC) codes

Instrumentation
Electrical and Electronic Engineering

Keywords

Adaptive filter
Metrology
Prefilter
Resonance suppression
Viscoelasticity measurement

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10.3969/j.issn.1000-1158.2015.05.06

Cite this

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title = "Resonance suppression on nanoscale viscoelasticity measurement",

abstract = "Aiming at the cantilever resonance leads to large measurement data errors in indentation measuring soft material, a method to suppress the cantilever resonance on the broadband viscoelasticity measurement is proposed. A notch filter type prefilter based on z-axis dynamics is designed, and used to filter the input drive voltage; An adaptive filter based on the least mean square (LMS) is designed, and referring to the Hertz contact model to filter the complex compliance of soft materials, furtherly eliminate the residual cantilever resonance effects in input link and output link. The validity of the cantilever resonance suppression method is verified by implementing the polydimethylsiloxane (PDMS) sample viscoelasticity measurement.",

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T1 - Resonance suppression on nanoscale viscoelasticity measurement

AU - Du, Yi Hao

AU - Xie, Ping

AU - Zhang, Lei

AU - Zou, Qing Ze

PY - 2015/9/22

Y1 - 2015/9/22

N2 - Aiming at the cantilever resonance leads to large measurement data errors in indentation measuring soft material, a method to suppress the cantilever resonance on the broadband viscoelasticity measurement is proposed. A notch filter type prefilter based on z-axis dynamics is designed, and used to filter the input drive voltage; An adaptive filter based on the least mean square (LMS) is designed, and referring to the Hertz contact model to filter the complex compliance of soft materials, furtherly eliminate the residual cantilever resonance effects in input link and output link. The validity of the cantilever resonance suppression method is verified by implementing the polydimethylsiloxane (PDMS) sample viscoelasticity measurement.

AB - Aiming at the cantilever resonance leads to large measurement data errors in indentation measuring soft material, a method to suppress the cantilever resonance on the broadband viscoelasticity measurement is proposed. A notch filter type prefilter based on z-axis dynamics is designed, and used to filter the input drive voltage; An adaptive filter based on the least mean square (LMS) is designed, and referring to the Hertz contact model to filter the complex compliance of soft materials, furtherly eliminate the residual cantilever resonance effects in input link and output link. The validity of the cantilever resonance suppression method is verified by implementing the polydimethylsiloxane (PDMS) sample viscoelasticity measurement.

KW - Adaptive filter

KW - Metrology

KW - Prefilter

KW - Resonance suppression

KW - Viscoelasticity measurement

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Resonance suppression on nanoscale viscoelasticity measurement

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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