Addressed FBG-structures for tire strain measurement

T. A. Agliullin; R. R. Gubaidullin; V. Ivanov; O. G. Morozov; A. Zh. Sakhabutdinov

doi:10.1117/12.2523849

24 June 2019 Addressed FBG-structures for tire strain measurement

T. A. Agliullin, R. R. Gubaidullin, V. Ivanov, O. G. Morozov, A. Zh. Sakhabutdinov

Proceedings Volume 11146, Optical Technologies for Telecommunications 2018; 111461E (2019) https://doi.org/10.1117/12.2523849
Event: XVI International Scientific and Technical Conference on Optical Technologies in Telecommunications, 2018, Ufa, Russian Federation

Abstract

The work presents a concept of microwave-photonic sensor system (MWPSS) for real-time measurement of vehicle tire strain. The proposed MWPSS is based on the addressed fiber Bragg structures (AFBS) with two symmetrical π-phase shifts (2π-FBG). The system utilizes two similar 2π-FBGs with equal bandwidths, the same central Bragg wavelength, and unique address frequency spacing, thus realizing the microwave-photonic measurement methods and providing their address. One of the 2π-FBGs serves for strain measurement, and the second one takes into account the effects of temperature variation. Address frequency analysis of the multiplicative optical response allows to define the central Bragg frequency shift of each sensor and to correlate it with the value of the influencing physical fields (strain and temperature). These values are the input parameters for the estimation system of tire-road contact characteristics and vehicle dynamics control.

Citation Download Citation

T. A. Agliullin, R. R. Gubaidullin, V. Ivanov, O. G. Morozov, and A. Zh. Sakhabutdinov "Addressed FBG-structures for tire strain measurement", Proc. SPIE 11146, Optical Technologies for Telecommunications 2018, 111461E (24 June 2019); https://doi.org/10.1117/12.2523849

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