{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:27:06Z","timestamp":1760146026867,"version":"build-2065373602"},"reference-count":51,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2024,9,24]],"date-time":"2024-09-24T00:00:00Z","timestamp":1727136000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Start-up Fee for Scientific Research of High-level Talents of West Anhui University","award":["WGKQ2022052","wxxy2022101","wxxy2023079","WXCHX0045023110","2022AH051675"],"award-info":[{"award-number":["WGKQ2022052","wxxy2022101","wxxy2023079","WXCHX0045023110","2022AH051675"]}]},{"name":"School-level Quality Engineering (School-enterprise Cooperation Development Curriculum Resource Construction)","award":["WGKQ2022052","wxxy2022101","wxxy2023079","WXCHX0045023110","2022AH051675"],"award-info":[{"award-number":["WGKQ2022052","wxxy2022101","wxxy2023079","WXCHX0045023110","2022AH051675"]}]},{"name":"School-level Quality Engineering (Teaching and Research Project)","award":["WGKQ2022052","wxxy2022101","wxxy2023079","WXCHX0045023110","2022AH051675"],"award-info":[{"award-number":["WGKQ2022052","wxxy2022101","wxxy2023079","WXCHX0045023110","2022AH051675"]}]},{"name":"PWMDIC design and application","award":["WGKQ2022052","wxxy2022101","wxxy2023079","WXCHX0045023110","2022AH051675"],"award-info":[{"award-number":["WGKQ2022052","wxxy2022101","wxxy2023079","WXCHX0045023110","2022AH051675"]}]},{"name":"Natural Science Key Research Project of Anhui Educational Committee","award":["WGKQ2022052","wxxy2022101","wxxy2023079","WXCHX0045023110","2022AH051675"],"award-info":[{"award-number":["WGKQ2022052","wxxy2022101","wxxy2023079","WXCHX0045023110","2022AH051675"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>An infinite impulse response (IIR) system might comprise a multimodal error surface and accurately discovering the appropriate filter parameters for system modeling remains complicated. The swarm intelligence algorithms facilitate the IIR filter\u2019s parameters by exploring parameter domains and exploiting acceptable filter sets. This paper presents an enhanced symmetric sand cat swarm optimization with multiple strategies (MSSCSO) to achieve adaptive IIR system identification. The principal objective is to recognize the most appropriate regulating coefficients and to minimize the mean square error (MSE) between an unidentified system\u2019s input and the IIR filter\u2019s output. The MSSCSO with symmetric cooperative swarms integrates the ranking-based mutation operator, elite opposition-based learning strategy, and simplex method to capture supplementary advantages, disrupt regional extreme solutions, and identify the finest potential solutions. The MSSCSO not only receives extensive exploration and exploitation to refrain from precocious convergence and foster computational efficiency; it also endures robustness and reliability to facilitate demographic variability and elevate estimation precision. The experimental results manifest that the practicality and feasibility of the MSSCSO are superior to those of other methods in terms of convergence speed, calculation precision, detection efficiency, regulating coefficients, and MSE fitness value.<\/jats:p>","DOI":"10.3390\/sym16101255","type":"journal-article","created":{"date-parts":[[2024,9,24]],"date-time":"2024-09-24T08:56:06Z","timestamp":1727168166000},"page":"1255","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["An Enhanced Symmetric Sand Cat Swarm Optimization with Multiple Strategies for Adaptive Infinite Impulse Response System Identification"],"prefix":"10.3390","volume":"16","author":[{"given":"Chengtao","family":"Du","sequence":"first","affiliation":[{"name":"School of Electrical and Photoelectronic Engineering, West Anhui University, Lu\u2019an 237012, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5988-702X","authenticated-orcid":false,"given":"Jinzhong","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Electrical and Photoelectronic Engineering, West Anhui University, Lu\u2019an 237012, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jie","family":"Fang","sequence":"additional","affiliation":[{"name":"School of Electrical and Photoelectronic Engineering, West Anhui University, Lu\u2019an 237012, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,9,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2187","DOI":"10.1007\/s00034-018-0959-5","article-title":"A New Method for Designing of Stable Digital IIR Filter Using Hybrid Method","volume":"38","author":"Agrawal","year":"2019","journal-title":"Circuits Syst. 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