Positive, negative or close to zero

Tuning the stiffness of compliant ortho-planar mechanisms.

Journal Article (2021)
Author(s)

T.W.A. Blad (TU Delft - Mechatronic Systems Design)

Ron van Ostayen (TU Delft - Mechatronic Systems Design)

N. Tolou

Research Group
Mechatronic Systems Design
Copyright
© 2021 Thijs Blad, R.A.J. van Ostayen, N. Tolou
More Info
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Publication Year
2021
Language
English
Copyright
© 2021 Thijs Blad, R.A.J. van Ostayen, N. Tolou
Research Group
Mechatronic Systems Design
Issue number
2
Volume number
61
Pages (from-to)
8-10
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Abstract

Compliant ortho-planar mechanisms can be fabricated from a single sheet of material and they can move out of the plane in which they are fabricated. In this work, a design of such a mechanism is proposed in which stiffness compensation is applied. With a finite-element model, the force-deflection relation of the buckled mechanism was modelled and it was shown that by changing the design parameters, the stiffness of the mechanism can be tuned such that it can be positive, negative or even close to zero. The mechanism was prototyped and the force-deflection relation was measured to validate the simulations.

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