Inverse Modeling and Optimization of CSRR-based Microwave Sensors for Industrial Applications - Publikacja - MOST Wiedzy

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Inverse Modeling and Optimization of CSRR-based Microwave Sensors for Industrial Applications

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Design optimization of multivariable resonators is a challenging topic in the area of microwave sensors for industrial applications. This paper proposes a novel methodology for rapid re-design and parameter tuning of complementary split-ring resonators (CSRRs). Our approach involves inverse surrogate models established using pre-optimized resonator data as well as analytical correction techniques to enable rapid adjustment of geometry parameters and CSRR optimization over broad ranges of operating frequencies. The tuning process is arranged to precisely allocate the operating frequency while maximizing the quality factor of the circuit. The procedure is generic and characterized by an extremely low computational cost of up to two electromagnetic (EM) analyses of the circuit at hand (not counting the inverse model setup). The presented technique is demonstrated using a circular CSRR coupled to a microstrip transmission line (MTL), and optimized to operate between 5 GHz and 20 GHz. The design optimized for 15 GHz is fabricated and experimentally validated using a vector network analyzer. The sensor works in the transmission mode and senses the shift in resonance frequency determined by the properties of the material under test (MUT). Furthermore, an inverse regression model is developed that allows for directly finding the unknown permittivity of the MUT based on the measured resonant frequencies of the sensor. The obtained results corroborate the design utility of the proposed optimization method, as well as practical usefulness of the specific CSRR structure developed with the aid thereof.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES nr 70, strony 4796 - 4804,
ISSN: 0018-9480
Język:
angielski
Rok wydania:
2022
Opis bibliograficzny:
Haq Ul T., Kozieł P.: Inverse Modeling and Optimization of CSRR-based Microwave Sensors for Industrial Applications// IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES -Vol. 70,iss. 11 (2022), s.4796-4804
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/tmtt.2022.3176886
Źródła finansowania:
  • COST_FREE
Weryfikacja:
Politechnika Gdańska

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