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1 2024

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Firmware development for the fibre-optic seismometer based on FOG

Kamiński Marek, Tylman Wojciech, Jabłoński Grzegorz, Kotas Rafał, Amrozik Piotr, Sakowicz Bartosz, Jaroszewicz Leszek R.

Opto-Electronics Review

2024

Vol. 32, No. 2

art. no. e150179

The main goal of the article is to present the concept of using a simulation environment when designing an advanced fibre-optic seismometer (FOS) using a field-programmable gate array (FPGA) computing system. The first part of the article presents the advanced requirements regarding the FOS principle of operation, as well as the measurement method using a closed-loop operation. The closed-loop control algorithm is developed using the high-level language C++ and then it is synthesised into an FPGA. The following part of the article describes the simulation environment developed to test the operation of the control algorithm. The environment includes a model of components of the measurement system, delays, and distortions in the signal processing path, and some of the measurement system surroundings. The article ends with a comparison of simulation data with measurements. The obtained results are consistent and prove correctness of the methodology adopted by the authors.