Optical filtering-based fiber Bragg grating sensor interrogator” (OFBG Interrogator)

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Description

Different structures and technologies require precise monitoring of loads and deformations. Existing sensors are often expensive and complex. The project proposes a new optical transducer that provides accurate measurements in a compact and affordable form. The result: safer buildings, more reliable technology and wider access to sensor technology.

Achievable results

To develop a pneumatic three-finger robotic hand gripper equipped with optical fibre Bragg grating (FBG) strain sensors to provide feedback on the gripping force during object movement;

Develop a prototype small FBG sensor measurement transducer suitable for a variety of monitoring applications such as strain measurements in robotic grippers.

Benefit

Fibre Bragg grating (FBG) sensors have a wide range of applications in various fields (e.g. smart manufacturing, monitoring of building structures and transport infrastructure, overload detection in aviation, medicine, etc.). The project will develop a FBG sensor measurement converter that will make this optical sensor technology much more affordable (more compact size and lower cost compared to existing commercial solutions). This will allow to improve the performance of various existing products (such as smart robotic arms) and potentially create new commercial products.

Allocated funding

200,000 EUR on October 13, 2025.

Team

Assoc. prof. Andis Supe
Project Manager, Leading Researcher andis.supe@rtu.lv
Dr. Sc. Ing. Uģis Seņkāns
Leading Researcher, Optical sensors expert
Maksims Jurinovs
Researcher - Materials Expert
Artjoms Supoņenkovs
Researcher - robotics expert
Viesturs Sosārs
External Expert - Business Developer

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