F., A. S. ., and S. S. . A. “Mathematical Models of Displacement Measurement Differential Transformer Sensors With Different Drive Elements and Magnetic Circuits With a Special Structure”. European Multidisciplinary Journal of Modern Science, vol. 15, Feb. 2023, pp. 1-8, https://emjms.academicjournal.io/index.php/emjms/article/view/865.