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Sensor Networks and Digital Twins for Mechatronic Systems Co-design

Technological challenge: Factory of the future incl. robotics and non destructive testing (learn more)

Department: Département Systèmes (LETI)

Laboratory: Laboratoire Autonomie et Intégration des Capteurs

Start Date: 01-09-2022

Location: Grenoble

CEA Code: SL-DRT-22-0201

Contact: elise.saoutieff@cea.fr

As part of the development of its R&D activities on sensor networks and digital twins, the Autonomy and Sensor Integration Laboratory (DSYS/SSCE/LAIC) of CEA-LETI in Grenoble, France, is offering a thesis on "Sensor Networks and Digital Twins for the Co-design of Mechatronic Systems". The LAIC laboratory is specialized in the design and development of innovative electronic systems, addressing physical and electronic issues of sensor interfaces, sensor integration, low power and wired or wireless communications, for various types of applications including industry 4.0, aeronautics, medical devices, or sports. The aim of the PhD thesis is to implement a sensor network combined with multi-physics simulation tools and Artificial Intelligence-based analysis tools to develop Digital Twins. One application could be smart orthoses and prostheses for the medicine of the future, to detect premature ageing of the devices, to characterize usefulness and comfort for users and so supervise the patient rehabilitation and post-rehabilitation phases. The digital twin will be a virtual replica of the real system in operation. It will process, in real time, information from both the network of sensors deployed on the system (stresses/strain, IMU, etc.) and from finite element simulation models. It will be used to evaluate the operating state of the system, and in particular its ageing state, but also to predict its future behavior. These developments will subsequently allow the optimization of the operation, lifespan and environmental impact of mechatronic systems (predictive maintenance, eco-design).

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