Tuning the Dynamics of Bistable Mechanisms by Introducing Travel Limits

Kylian van Puffelen; Thijs W.A. Blad; Ron van Ostayen

doi:10.1007/978-3-030-83594-1_14

Tuning the Dynamics of Bistable Mechanisms by Introducing Travel Limits

Kylian van Puffelen, Thijs W.A. Blad^*, Ron van Ostayen

^*Corresponding author for this work

Mechatronic Systems Design

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

Abstract

Vibrations are a promising source for powering wireless sensors, for example in low-frequency environments like human motion. These environments suffer from unpredictable vibration spectra and their low-frequency and large amplitude characteristics offer great possibilities for mechanisms with double well potential energy characteristics. The dynamical output performance of a bistable mechanism depends on the oscillation in the large amplitude trajectory between the two potential wells. However, requires enough force to overcome potential energy barrier. This work aims to improve the occurrence of interwell oscillation by lowering the potential energy barrier between the two potential wells by the influence of hard mechanical travel limits. A bistable mechanism is numerically modelled and experimentally tested to investigate the influence of the mechanical travel limits for low-frequency excitations. An axial loaded buckling beam was used to introduce bistability and combined with a parallel guidance mechanism to compensate for the strong negative stiffness. A single-degree of freedom model is used to model the bistable characteristics and is expanded with a coefficient of restitution model to represent the mechanical characterization of the travel limits. This combination resulted in a decrease in required force for the oscillation in the desired large amplitude trajectory by constraining the oscillator motion with travel limits. Furthermore, the results from the numerical bistable model in combination with mechanical characteristics of the travel limits at impact, proves to be in good agreement with the experimentally obtained results.

Original language	English
Title of host publication	Advances in Mechanism Design III
Subtitle of host publication	Proceedings of TMM 2020
Editors	Jaroslav Beran, Martin Bílek, Miroslav Václavík, Petr Žabka
Place of Publication	Cham, Switzerland
Publisher	Springer Science+Business Media
Pages	134-143
ISBN (Electronic)	978-3-030-83594-1
ISBN (Print)	978-3-030-83593-4
DOIs	https://doi.org/10.1007/978-3-030-83594-1_14
Publication status	Published - 2022
Event	13th International Conference on the Theory of Machines and Mechanisms, TMM 2020 - Liberec, Czech Republic Duration: 7 Sep 2021 → 9 Sep 2021

Publication series

Name	Mechanisms and Machine Science
Volume	85
ISSN (Print)	2211-0984
ISSN (Electronic)	2211-0992

Conference

Conference	13th International Conference on the Theory of Machines and Mechanisms, TMM 2020
Country/Territory	Czech Republic
City	Liberec
Period	7/09/21 → 9/09/21

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Bistability
Coefficient of restitution
Impact
Low-frequency
Mechanical travel limits
Vibration energy harvesting

Access to Document

10.1007/978-3-030-83594-1_14

Cite this

van Puffelen, K., Blad, T. W. A., & van Ostayen, R. (2022). Tuning the Dynamics of Bistable Mechanisms by Introducing Travel Limits. In J. Beran, M. Bílek, M. Václavík, & P. Žabka (Eds.), Advances in Mechanism Design III : Proceedings of TMM 2020 (pp. 134-143). (Mechanisms and Machine Science; Vol. 85). Springer Science+Business Media. https://doi.org/10.1007/978-3-030-83594-1_14

van Puffelen, Kylian ; Blad, Thijs W.A. ; van Ostayen, Ron. / Tuning the Dynamics of Bistable Mechanisms by Introducing Travel Limits. Advances in Mechanism Design III : Proceedings of TMM 2020. editor / Jaroslav Beran ; Martin Bílek ; Miroslav Václavík ; Petr Žabka. Cham, Switzerland : Springer Science+Business Media, 2022. pp. 134-143 (Mechanisms and Machine Science).

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title = "Tuning the Dynamics of Bistable Mechanisms by Introducing Travel Limits",

abstract = "Vibrations are a promising source for powering wireless sensors, for example in low-frequency environments like human motion. These environments suffer from unpredictable vibration spectra and their low-frequency and large amplitude characteristics offer great possibilities for mechanisms with double well potential energy characteristics. The dynamical output performance of a bistable mechanism depends on the oscillation in the large amplitude trajectory between the two potential wells. However, requires enough force to overcome potential energy barrier. This work aims to improve the occurrence of interwell oscillation by lowering the potential energy barrier between the two potential wells by the influence of hard mechanical travel limits. A bistable mechanism is numerically modelled and experimentally tested to investigate the influence of the mechanical travel limits for low-frequency excitations. An axial loaded buckling beam was used to introduce bistability and combined with a parallel guidance mechanism to compensate for the strong negative stiffness. A single-degree of freedom model is used to model the bistable characteristics and is expanded with a coefficient of restitution model to represent the mechanical characterization of the travel limits. This combination resulted in a decrease in required force for the oscillation in the desired large amplitude trajectory by constraining the oscillator motion with travel limits. Furthermore, the results from the numerical bistable model in combination with mechanical characteristics of the travel limits at impact, proves to be in good agreement with the experimentally obtained results.",

keywords = "Bistability, Coefficient of restitution, Impact, Low-frequency, Mechanical travel limits, Vibration energy harvesting",

author = "{van Puffelen}, Kylian and Blad, {Thijs W.A.} and {van Ostayen}, Ron",

note = "Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.; 13th International Conference on the Theory of Machines and Mechanisms, TMM 2020 ; Conference date: 07-09-2021 Through 09-09-2021",

year = "2022",

doi = "10.1007/978-3-030-83594-1_14",

language = "English",

isbn = "978-3-030-83593-4",

series = "Mechanisms and Machine Science",

publisher = "Springer Science+Business Media",

pages = "134--143",

editor = "Jaroslav Beran and Martin B{\'i}lek and Miroslav V{\'a}clav{\'i}k and Petr {\v Z}abka",

booktitle = "Advances in Mechanism Design III",

}

van Puffelen, K, Blad, TWA & van Ostayen, R 2022, Tuning the Dynamics of Bistable Mechanisms by Introducing Travel Limits. in J Beran, M Bílek, M Václavík & P Žabka (eds), Advances in Mechanism Design III : Proceedings of TMM 2020. Mechanisms and Machine Science, vol. 85, Springer Science+Business Media, Cham, Switzerland, pp. 134-143, 13th International Conference on the Theory of Machines and Mechanisms, TMM 2020, Liberec, Czech Republic, 7/09/21. https://doi.org/10.1007/978-3-030-83594-1_14

Tuning the Dynamics of Bistable Mechanisms by Introducing Travel Limits. / van Puffelen, Kylian; Blad, Thijs W.A.; van Ostayen, Ron.

Advances in Mechanism Design III : Proceedings of TMM 2020. ed. / Jaroslav Beran; Martin Bílek; Miroslav Václavík; Petr Žabka. Cham, Switzerland : Springer Science+Business Media, 2022. p. 134-143 (Mechanisms and Machine Science; Vol. 85).

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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T1 - Tuning the Dynamics of Bistable Mechanisms by Introducing Travel Limits

AU - van Puffelen, Kylian

AU - Blad, Thijs W.A.

AU - van Ostayen, Ron

N1 - Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

PY - 2022

Y1 - 2022

N2 - Vibrations are a promising source for powering wireless sensors, for example in low-frequency environments like human motion. These environments suffer from unpredictable vibration spectra and their low-frequency and large amplitude characteristics offer great possibilities for mechanisms with double well potential energy characteristics. The dynamical output performance of a bistable mechanism depends on the oscillation in the large amplitude trajectory between the two potential wells. However, requires enough force to overcome potential energy barrier. This work aims to improve the occurrence of interwell oscillation by lowering the potential energy barrier between the two potential wells by the influence of hard mechanical travel limits. A bistable mechanism is numerically modelled and experimentally tested to investigate the influence of the mechanical travel limits for low-frequency excitations. An axial loaded buckling beam was used to introduce bistability and combined with a parallel guidance mechanism to compensate for the strong negative stiffness. A single-degree of freedom model is used to model the bistable characteristics and is expanded with a coefficient of restitution model to represent the mechanical characterization of the travel limits. This combination resulted in a decrease in required force for the oscillation in the desired large amplitude trajectory by constraining the oscillator motion with travel limits. Furthermore, the results from the numerical bistable model in combination with mechanical characteristics of the travel limits at impact, proves to be in good agreement with the experimentally obtained results.

AB - Vibrations are a promising source for powering wireless sensors, for example in low-frequency environments like human motion. These environments suffer from unpredictable vibration spectra and their low-frequency and large amplitude characteristics offer great possibilities for mechanisms with double well potential energy characteristics. The dynamical output performance of a bistable mechanism depends on the oscillation in the large amplitude trajectory between the two potential wells. However, requires enough force to overcome potential energy barrier. This work aims to improve the occurrence of interwell oscillation by lowering the potential energy barrier between the two potential wells by the influence of hard mechanical travel limits. A bistable mechanism is numerically modelled and experimentally tested to investigate the influence of the mechanical travel limits for low-frequency excitations. An axial loaded buckling beam was used to introduce bistability and combined with a parallel guidance mechanism to compensate for the strong negative stiffness. A single-degree of freedom model is used to model the bistable characteristics and is expanded with a coefficient of restitution model to represent the mechanical characterization of the travel limits. This combination resulted in a decrease in required force for the oscillation in the desired large amplitude trajectory by constraining the oscillator motion with travel limits. Furthermore, the results from the numerical bistable model in combination with mechanical characteristics of the travel limits at impact, proves to be in good agreement with the experimentally obtained results.

KW - Bistability

KW - Coefficient of restitution

KW - Impact

KW - Low-frequency

KW - Mechanical travel limits

KW - Vibration energy harvesting

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van Puffelen K, Blad TWA , van Ostayen R. Tuning the Dynamics of Bistable Mechanisms by Introducing Travel Limits. In Beran J, Bílek M, Václavík M, Žabka P, editors, Advances in Mechanism Design III : Proceedings of TMM 2020. Cham, Switzerland: Springer Science+Business Media. 2022. p. 134-143. (Mechanisms and Machine Science). https://doi.org/10.1007/978-3-030-83594-1_14

Tuning the Dynamics of Bistable Mechanisms by Introducing Travel Limits

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