In recent times, increasingly sensitive and precise sensors have been developed for a more detailed analysis of the effects of mechanical changes on materials. This thesis describes the types and operation of various strain sensors based on electrically conductive rubber composites. These sensors perform measurements by converting mechanical deformation into an output signal. By incorporating additives such as graphene, carbon black, carbon fibers, carbon nanotubes, metallic nanoparticles, and electrically conductive polymers into the insulating rubber matrix, the sensors gain enhanced electrical and mechanical properties. As a result, the use of rubber composites improves the accuracy of resistance measurements, which form the basis for converting mechanical deformation into an electrical output signal. The thesis presents key sensing mechanisms and factors that influence the performance of these sensors. The goal of the thesis is to provide an overview of different fillers, methods for detecting electrical resistance, and to understand their role in everyday applications across various fields such as transportation, sports, medicine, electronics, and robotics.
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