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Traditional biomechanical plant models based on ordinary differential equations can be computationally demanding in closed-loop control settings, particularly when repeatedly initialized and evaluated over dense parameter grids. Runtime depends strongly on solver implementation, hardware, initialization strategy, and numerical optimization. This study evaluates feature-driven machine learning (ML) regressors, specifically random forest (RF), multilayer perceptron neural networks (NN), and polynomial regression (PR), as surrogate forward models mapping laryngeal motor inputs to fundamental frequency and sound pressure level. Training data were generated with two biomechanical vocal fold models: the extended body-cover and the triangular body-cover. Results demonstrate that, in the tested implementation, ML surrogates provided millisecond-scale inference (e.g., 2\u2009ms for PR), enabling stable real-time tracking via inverse Jacobian control. While RF provides the highest accuracy, NN and PR offer smoother control signals and smaller memory footprints. A practical performance threshold was identified near N\u2009=\u20091000 training samples, below which accuracy degraded substantially when models were trained from scratch. These findings support ML surrogates as efficient and adaptable alternatives to direct numerical simulation, providing a foundation for future subject-specific modeling through transfer learning in data-limited clinical scenarios.<\/jats:p>","DOI":"10.1121\/10.0044564","type":"journal-article","created":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T13:59:17Z","timestamp":1786111157000},"page":"1111-1124","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":1,"title":["Machine learning surrogate forward models for biomechanical laryngeal control"],"prefix":"10.1121","volume":"160","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9657-6183","authenticated-orcid":false,"given":"Jes\u00fas A.","family":"Parra","sequence":"first","affiliation":[{"name":"Advanced Center for Electrical and Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 1 , Valpara\u00edso,","place":["Chile"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-1492-4040","authenticated-orcid":false,"given":"Clara","family":"Sorolla","sequence":"additional","affiliation":[{"name":"Advanced Center for Electrical and Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 1 , Valpara\u00edso,","place":["Chile"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8813-4833","authenticated-orcid":false,"given":"Nicol\u00e1s F.","family":"Quinteros","sequence":"additional","affiliation":[{"name":"Advanced Center for Electrical and Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 1 , Valpara\u00edso,","place":["Chile"]},{"name":"Department of Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 2 , Valpara\u00edso,","place":["Chile"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6975-4247","authenticated-orcid":false,"given":"Emiro J.","family":"Ibarra","sequence":"additional","affiliation":[{"name":"Advanced Center for Electrical and Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 1 , Valpara\u00edso,","place":["Chile"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9737-8277","authenticated-orcid":false,"given":"Gabriel A.","family":"Alzamendi","sequence":"additional","affiliation":[{"name":"Institute for Research and Development on Bioengineering and Bioinformatics, Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas, Universidad Nacional de Entre R\u00edos 3 , Oro Verde, Entre R\u00edos,","place":["Argentina"]},{"name":"Facultad de Ingenier\u00eda, Universidad Nacional de Entre R\u00edos 4 , Entre R\u00edos,","place":["Argentina"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8746-2491","authenticated-orcid":false,"given":"Sean D.","family":"Peterson","sequence":"additional","affiliation":[{"name":"Department of Mechanical and Mechatronics Engineering, University of Waterloo 5 , Ontario,","place":["Canada"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0240-9104","authenticated-orcid":false,"given":"Hasini R.","family":"Weerathunge","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, University of Michigan 6 , Ann Arbor, Michigan 48109,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1161-1555","authenticated-orcid":false,"given":"Frank H.","family":"Guenther","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Boston University 7 , Boston, Massachusetts 02215,","place":["USA"]},{"name":"Department of Speech, Language, and Hearing Sciences, Boston University 8 , Boston, Massachusetts 02215,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5581-4392","authenticated-orcid":false,"given":"Mat\u00edas","family":"Za\u00f1artu","sequence":"additional","affiliation":[{"name":"Advanced Center for Electrical and Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 1 , Valpara\u00edso,","place":["Chile"]},{"name":"Department of Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 2 , Valpara\u00edso,","place":["Chile"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","published-online":{"date-parts":[[2026,8,7]]},"reference":[{"issue":"1","key":"2026080709591340500_c1","doi-asserted-by":"publisher","first-page":"17","DOI":"10.1121\/10.0009169","article-title":"Triangular body-cover model of the vocal folds with coordinated activation of the five intrinsic laryngeal muscles","volume":"151","year":"2022","journal-title":"J. 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