Rectilinear translation four-bar flexure mechanism based on four Remote Center Compliance pivots

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Related publications (30)

Synthesis of Novel Integrated Actuators Powered by Shape Memory Alloys

In the modern age of miniaturisation, Smart Materials, a type of material that reacts mechanically to a certain stimulus, have become an integral part of this revolution. Among these materials, Shape Memory Alloys (SMAs), which have the highest volumetric ...

EPFL2022

A 4D printed active compliant hinge for potential space applications using shape memory alloys and polymers

Jamie Paik, Zhenishbek Zhakypov, Jian-Lin Huang, Ralph Spolenak

This paper presents the proof-of-concept for a 4D printed active compliant hinge with a selectively variable stiffness for the deployment and reorientation of satellite appendages. We use 4D printing to create an active compliant hinge capable of bending t ...

IOP PUBLISHING LTD2021

Designing compliant mechanisms composed of shape memory alloy and actuated by induction heating

Yves Perriard, Paolo Germano, Thomas Guillaume Martinez, Adrien Jean-Michel Thabuis, Sean Thomas

Shape Memory Alloys (SMAs) are a type of smart materials that reacts mechanically to heat. Due to their complex behavior, they are often used in a simple geometry such as wires. This constrains the output displacement of the alloy to a simple linear contra ...

2021

Design of adaptive structures through energy minimization: extension to tensegrity

Gennaro Senatore, Yafeng Wang

This paper gives a new formulation to design adaptive structures through total energy optimization (TEO). This methodology enables the design of truss as well as tensegrity configurations that are equipped with linear actuators to counteract the effect of ...

2021

Design and modelling of a tubular dielectric elastomer actuator with constrained radial displacement as a cardiac assist device

Yves Perriard, Yoan René Cyrille Civet, Armando Matthieu Walter, Jonathan André Jean-Marie Chavanne

In this paper, we propose an improvement of a dielectric elastomer actuator (DEA) based augmented aorta. The actuator is a multi-layered tubular DEA subject to the internal pressure of the blood. When activated in synchronisation with the heart, the DEA su ...

IOP PUBLISHING LTD2021

Fluid-actuated haptic device and methods for using thereof

Jamie Paik, Zhenishbek Zhakypov

A haptic device is disclosed comprising at least one fluidic actuator operatively connectable with pumping means; and a plurality of movable members mechanically connected with said at least one fluidic actuator, wherein said movable members can perform a ...

2021

Closed-Loop Position Control of a Self-Sensing 3-DoF Origami Module With Pneumatic Actuators

Jamie Paik, Mustafa Mete

This letter presents closed-loop position control of a pneumatically actuated modular robotic platform "pneumagami" that can be stacked to enlarge work and design space for wearable applications. The module is a 3 degrees of freedom (DoF) parallel robot wi ...

2021

Sensor system

Simon Nessim Henein, Charles Baur, Hubert Pierre-Marie Benoît Schneegans, Thomas Jean Julien Fussinger, Lisa Anaïs Jeanne Bonnefoy

Sensor system (1) comprising a frame (306) supporting a force-sensing tip (310) arranged to generate a signal based upon a force applied by said force-sensing tip (310) to a material to be tested,characterised in that said system (1) further comprises:- an ...

2020

Soft pneumatic actuator-driven origami-inspired modular robotic ‘‘pneumagami’’

Jamie Paik, Matthew Aaron Robertson, Özdemir Can Kara

This article presents a new modular robotic platform for enabling reconfigurable, actively controlled, high-degree-of-freedom (high-DoF) systems with compact form factor. The robotic modules exploit the advantages of origami-inspired construction methods a ...

2021

Method of encoding a 3d shape into a 2d surface

Mark Pauly, Mina Konakovic Lukovic, Francis Julian Panetta

The present invention concerns a method for encoding a given 3D shape into a target 2D linkage. The method comprises: (a) providing an initial 2D surface; and (b) defining on the initial 2D surface an auxetic pattern of geometric elements planarly linked b ...

2020

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Design and modelling of a tubular dielectric elastomer actuator with constrained radial displacement as a cardiac assist device

Yves Perriard, Yoan René Cyrille Civet, Armando Matthieu Walter, Jonathan André Jean-Marie Chavanne

IOP PUBLISHING LTD2021