{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T09:22:23Z","timestamp":1781601743176,"version":"3.54.5"},"reference-count":39,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2022,12,14]],"date-time":"2022-12-14T00:00:00Z","timestamp":1670976000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Fundamental Research Funds for the Central Universities","award":["grant number 2572020BB01"],"award-info":[{"award-number":["grant number 2572020BB01"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>This study serves the purpose of assisting users in selecting a comfortable seat surface material for office chairs and enhancing users\u2019 comfort while using office chairs. To address the issue that the selection of traditional seat surface material is too subjective and that the prediction effect is poor, an improved sparrow search algorithm (ISSA) optimized least squares support vector machine (LSSVM) method for office chair seat surface material comfort prediction has been proposed. Sparrow Search Algorithm (SSA) was optimized with Sobol sequences, nonlinear inertial weights, and a crisscross optimization algorithm to produce the Improved Sparrow Search Algorithm (ISSA), and then the relevant parameters of the LSSVM algorithm were optimized with the modified algorithm to improve its prediction performance. The prediction accuracy of the ISSA-LSSVM model is as high as 95.75% by combining the body pressure distribution experiments; the root mean square error (RMSE) is 0.29; the goodness of fit (R2) is 0.92; the mean absolute error (MAE) is 0.24; the standard deviation (RSD) is 5.99%. The ISSA-LSSVM model predicts seat surface material comfort more accurately and reliably. This strategy can assist consumers to narrow down their seat surface material choices and even suggest an optimal selection. In this way, it can boost users\u2019 pleasure with office chairs, which has great potential for wide application.<\/jats:p>","DOI":"10.3390\/s22249822","type":"journal-article","created":{"date-parts":[[2022,12,14]],"date-time":"2022-12-14T05:27:23Z","timestamp":1670995643000},"page":"9822","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Comfort Prediction of Office Chair Surface Material Based on the ISSA-LSSVM"],"prefix":"10.3390","volume":"22","author":[{"given":"Xuyinglong","family":"Zhang","sequence":"first","affiliation":[{"name":"Material Science and Engineering College, Northeast Forestry University, Harbin 15000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zilian","family":"Cheng","sequence":"additional","affiliation":[{"name":"Department of Performing Arts and Culture, The Catholic University, Bucheon 14662, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mengyang","family":"Zhang","sequence":"additional","affiliation":[{"name":"Engineering and Technology College, Northeast Forestry University, Harbin 15000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaodong","family":"Zhu","sequence":"additional","affiliation":[{"name":"Material Science and Engineering College, Northeast Forestry University, Harbin 15000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xianquan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Material Science and Engineering College, Northeast Forestry University, Harbin 15000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,12,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"755","DOI":"10.1016\/j.apergo.2006.11.001","article-title":"Effects of backrest design on biomechanics and comfort during seated work","volume":"38","author":"Carcone","year":"2007","journal-title":"Appl. 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