[LAMBERT - Fluidic and Flexible Microrobotics] - Study of “variable stiffness”-based medical tools | BEAMS

[LAMBERT - Fluidic and Flexible Microrobotics] - Study of “variable stiffness”-based medical tools

Project information
Project type: 
Master thesis
Academic year: 
2017-2018
Status: 
Proposal
Research unit: 
Micro-Bio-Mechatronics
BEAMS supervisors
Academic promoter
Supervisor

The goal of this project is to study different solutions (mainly about design and performances) for controllable stiffness solutions. After a short literature review, one (or more) solution(s) will be developed (and compared). The candidate will choose which solutions are the best to develop and to evaluate. Some solutions have already been selected for this work.

The first possibility is the application of “Granular Jamming” mechanism to biomedical tools. Granular material (e.g. glass beads, sand, ground coffee) is packed in a membrane. When working at atmospheric pressure (normal conditions), the system is flexible as a fluid. When vacuum is applied in the membrane, the system becomes much stiffer like a solid (http://y2u.be/zhIHAHmHpow). This change of stiffness is beneficial for biomedical or robotics applications.

A second concept that may be studied is the “Layer Jamming” mechanism [...]

A third solution is the use of Shape Memory Polymers. Shape Memory Polymers are polymers that may present a huge change in stiffness (Young Modulus) for a little variation of temperature. This change of stiffness is beneficial for biomedical or robotics applications [...]

 

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