Can an elastic structure get out of a maze, without any control computer, just by snapping, bending and buckling? Can we build robots that have no electronics or hydraulics, yet still behave smart?
Elastic structures can bend or snap under stress – a phenomenon that sometimes results in collapse. As a consequence, buckling has mostly been studied with the goal of avoiding it. However, snapping structures have complex dynamics with multiple stable configurations, similar to the states of a computer. Therefore, they can be used for sensing and processing – to build a mechanical brain that can autonomously react to stimuli.
Designing robotic structures is a very hard problem. The dynamics are governed by nonlinear continuum mechanics, and therefore are computationally difficult to simulate. The design problem – finding a structure that performs in a desired way – is even harder. As a consequence, present-day robotic structures that are designed by hand perform only simple repetitive motions. The goal of this Ph.D. is to design elastic structures that autonomously perform sophisticated tasks. To do this, we will construct optimization algorithms capable of coming up with smarter structures. Before we can start, though, we need a way to describe what the structure should do: a mechanical programming language. Mechanical source code will then be used as input of the optimization software that we will develop.
A ‘mechanical programming language’ must be expressive enough to be able to describe any behavior that our structure should perform, simple enough that a person can write code for it, and designed in such a way so that it can be compiled (automatically translated to a structural design) in reasonable time. During your thesis, you will answer the following questions: How should a programming language be, so it can describe the behavior of a soft robotic structure? How can we efficiently simulate a given source code, to check that it works as expected? How can we ‘compile’ the code into a structure that can be fabricated? While we have promising ideas on how to tackle these questions, you will have the opportunity to try your own approaches and have an impact on the outcome. The focus of this Ph.D. position is theoretical. However, the structures will be fabricated and involvement in the experiment is possible.
The ideal candidate will combine a strong interest in algorithms and programming (we use Python and C++, but prior experience with these languages is not mandatory) with a background in continuum mechanics including nonlinear Finite Element Analysis. During your Ph.D., you will develop interdisciplinary expertise combining mechanics and computer science. There may be opportunities to intern in computer science departments in the Netherlands or abroad. You will also develop scientific leadership skills through co-supervision of Master students.
Dr. Marc Serra Garcia
Group leader Hypersmart matter
E-mail: [email protected]
Phone: +31 (0)20-754 7201
You can respond to this vacancy online via the button below.
Please annex your:
– Resume;
– Motivation on why you want to join the group (max. 1 page).
It is important to us to know why you want to join our team. This means that we will only consider your application if it entails your motivation letter.
Applications will be evaluated on a rolling basis and as soon as an excellent match is made, the position will be filled.
Online screening may be part of the selection.
Commercial activities in response to this ad are not appreciated.
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