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Because the upper bounds of input nonlinearities and uncertainties are difficult to be acquired, the adaptive control integrated with sliding mode control (SMC) and radial basis function neural network (RBFNN) are utilized to cope with these undesired problems and effectively complete the robust tracker design. The main contributions are concluded as follows: (1) new sufficient conditions are obtained such that the proposed adaptive control laws can avoid overestimation; (2) A smooth [Formula: see text] function is introduced to eliminate the undesired chattering phenomenon in the traditional SMC systems; (3) A robust tracker is proposed such that the controlled system outputs can robustly track the pre-specified trajectories directly, even when subjected to unknown input nonlinearities and uncertainties. Finally, the numerical simulation results are illustrated to verify the proposed approach.<\/jats:p>","DOI":"10.1177\/0142331220976114","type":"journal-article","created":{"date-parts":[[2020,12,14]],"date-time":"2020-12-14T03:35:45Z","timestamp":1607916945000},"page":"1629-1639","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Robust sliding model control-based adaptive tracker for a class of nonlinear systems with input nonlinearities and uncertainties"],"prefix":"10.1177","volume":"43","author":[{"given":"Jiunn-Shiou","family":"Fang","sequence":"first","affiliation":[{"name":"Department of Electrical Engineering, National Cheng-Kung University, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jason Sheng-Hong","family":"Tsai","sequence":"additional","affiliation":[{"name":"Department of Electrical Engineering, National Cheng-Kung University, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9438-1937","authenticated-orcid":false,"given":"Jun-Juh","family":"Yan","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, National Chin-Yi University of Technology, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shu-Mei","family":"Guo","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Information Engineering, National Cheng-Kung University, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2020,12,14]]},"reference":[{"key":"bibr1-0142331220976114","doi-asserted-by":"publisher","DOI":"10.1016\/j.conengprac.2018.09.011"},{"key":"bibr2-0142331220976114","doi-asserted-by":"publisher","DOI":"10.1016\/j.ymssp.2019.106275"},{"key":"bibr3-0142331220976114","doi-asserted-by":"crossref","unstructured":"Chen H, Wo S (2013) RBF Neural network of sliding mode control for time-varying 2-DOF parallel manipulator system. 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