In this paper, a quantitative comparison is made between straight beam and curved beam flexures for application on selectively compliant mechanisms. Following a general procedure previously described in the literature, the closed-form compliance equations for both flexural hinges are firstly derived. Then, the two morphologies are compared in terms of maximum achievable rotation and selective compliance (i.e. capability of providing low stiffness along a single desired direction). In particular, the performance of each design solution is quantified by means of purposely defined quality indexes, analytically computed on the basis of the hinges compliance matrix. Finally, the potentials of these types of flexures for the optimal design of compliant robotic fingers are critically discussed.

Comparative evaluation of straight and curved beam flexures for selectively compliant mechanisms / Berselli, Giovanni; F., Parvari Rad; R., Vertechy; V., Parenti Castelli. - ELETTRONICO. - (2013), pp. 1761-1766. (Intervento presentato al convegno 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics: Mechatronics for Human Wellbeing, AIM 2013 tenutosi a Wollongong, Australia nel 9-12 July) [10.1109/AIM.2013.6584352].

Comparative evaluation of straight and curved beam flexures for selectively compliant mechanisms

BERSELLI, Giovanni;
2013

Abstract

In this paper, a quantitative comparison is made between straight beam and curved beam flexures for application on selectively compliant mechanisms. Following a general procedure previously described in the literature, the closed-form compliance equations for both flexural hinges are firstly derived. Then, the two morphologies are compared in terms of maximum achievable rotation and selective compliance (i.e. capability of providing low stiffness along a single desired direction). In particular, the performance of each design solution is quantified by means of purposely defined quality indexes, analytically computed on the basis of the hinges compliance matrix. Finally, the potentials of these types of flexures for the optimal design of compliant robotic fingers are critically discussed.
2013
2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics: Mechatronics for Human Wellbeing, AIM 2013
Wollongong, Australia
9-12 July
1761
1766
Berselli, Giovanni; F., Parvari Rad; R., Vertechy; V., Parenti Castelli
Comparative evaluation of straight and curved beam flexures for selectively compliant mechanisms / Berselli, Giovanni; F., Parvari Rad; R., Vertechy; V., Parenti Castelli. - ELETTRONICO. - (2013), pp. 1761-1766. (Intervento presentato al convegno 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics: Mechatronics for Human Wellbeing, AIM 2013 tenutosi a Wollongong, Australia nel 9-12 July) [10.1109/AIM.2013.6584352].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/983352
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