Employing electro-mechanical analogies for co-resonantly coupled cantilever sensors

Understanding the behaviour of mechanical systems can be facilitated and improved by employing electro-mechanical analogies. These analogies enable the use of network analysis tools as well as purely analytical treatment of the mechanical system translated into an electric circuit. Recently, we deve...

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Main Authors: J. Körner, C. F. Reiche, B. Büchner, T. Mühl, G. Gerlach
Format: Article
Language:English
Published: Copernicus Publications 2016-07-01
Series:Journal of Sensors and Sensor Systems
Online Access:http://www.j-sens-sens-syst.net/5/245/2016/jsss-5-245-2016.pdf
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author J. Körner
C. F. Reiche
B. Büchner
T. Mühl
G. Gerlach
author_facet J. Körner
C. F. Reiche
B. Büchner
T. Mühl
G. Gerlach
author_sort J. Körner
collection DOAJ
description Understanding the behaviour of mechanical systems can be facilitated and improved by employing electro-mechanical analogies. These analogies enable the use of network analysis tools as well as purely analytical treatment of the mechanical system translated into an electric circuit. Recently, we developed a novel kind of sensor set-up based on two coupled cantilever beams with matched resonance frequencies (co-resonant coupling) and possible applications in magnetic force microscopy and cantilever magnetometry. In order to analyse the sensor's behaviour in detail, we describe it as an electric circuit model. Starting from a simplified coupled harmonic oscillator model with neglected damping, we gradually increase the complexity of the system by adding damping and interaction elements. For each stage, various features of the coupled system are discussed and compared to measured data obtained with a co-resonant sensor. Furthermore, we show that the circuit model can be used to derive sensor parameters which are essential for the evaluation of measured data. Finally, the much more complex circuit representation of a bending beam is discussed, revealing that the simplified circuit model of a coupled harmonic oscillator is a very good representation of the sensor system.
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spelling doaj.art-2d69fb951cf64522a00cd5878c3bf83e2022-12-22T02:32:31ZengCopernicus PublicationsJournal of Sensors and Sensor Systems2194-87712194-878X2016-07-015224525910.5194/jsss-5-245-2016Employing electro-mechanical analogies for co-resonantly coupled cantilever sensorsJ. Körner0C. F. Reiche1B. Büchner2T. Mühl3G. Gerlach4Leibniz Institute for Solid State and Materials Research IFW Dresden, Helmholtzstr. 20, 01069 Dresden, GermanyLeibniz Institute for Solid State and Materials Research IFW Dresden, Helmholtzstr. 20, 01069 Dresden, GermanyLeibniz Institute for Solid State and Materials Research IFW Dresden, Helmholtzstr. 20, 01069 Dresden, GermanyLeibniz Institute for Solid State and Materials Research IFW Dresden, Helmholtzstr. 20, 01069 Dresden, GermanyInstitut für Festkörperelektronik, Technische Universität Dresden, 01062 Dresden, GermanyUnderstanding the behaviour of mechanical systems can be facilitated and improved by employing electro-mechanical analogies. These analogies enable the use of network analysis tools as well as purely analytical treatment of the mechanical system translated into an electric circuit. Recently, we developed a novel kind of sensor set-up based on two coupled cantilever beams with matched resonance frequencies (co-resonant coupling) and possible applications in magnetic force microscopy and cantilever magnetometry. In order to analyse the sensor's behaviour in detail, we describe it as an electric circuit model. Starting from a simplified coupled harmonic oscillator model with neglected damping, we gradually increase the complexity of the system by adding damping and interaction elements. For each stage, various features of the coupled system are discussed and compared to measured data obtained with a co-resonant sensor. Furthermore, we show that the circuit model can be used to derive sensor parameters which are essential for the evaluation of measured data. Finally, the much more complex circuit representation of a bending beam is discussed, revealing that the simplified circuit model of a coupled harmonic oscillator is a very good representation of the sensor system.http://www.j-sens-sens-syst.net/5/245/2016/jsss-5-245-2016.pdf
spellingShingle J. Körner
C. F. Reiche
B. Büchner
T. Mühl
G. Gerlach
Employing electro-mechanical analogies for co-resonantly coupled cantilever sensors
Journal of Sensors and Sensor Systems
title Employing electro-mechanical analogies for co-resonantly coupled cantilever sensors
title_full Employing electro-mechanical analogies for co-resonantly coupled cantilever sensors
title_fullStr Employing electro-mechanical analogies for co-resonantly coupled cantilever sensors
title_full_unstemmed Employing electro-mechanical analogies for co-resonantly coupled cantilever sensors
title_short Employing electro-mechanical analogies for co-resonantly coupled cantilever sensors
title_sort employing electro mechanical analogies for co resonantly coupled cantilever sensors
url http://www.j-sens-sens-syst.net/5/245/2016/jsss-5-245-2016.pdf
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