{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T07:23:42Z","timestamp":1769066622302,"version":"3.49.0"},"reference-count":50,"publisher":"Hindawi Limited","license":[{"start":{"date-parts":[[2014,1,1]],"date-time":"2014-01-01T00:00:00Z","timestamp":1388534400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Applied Mathematics"],"published-print":{"date-parts":[[2014]]},"abstract":"<jats:p>This paper presents an adaptive iterative learning control (AILC) scheme for a class of nonlinear systems with unknown time-varying delays and unknown input dead-zone. A novel nonlinear form of deadzone nonlinearity is presented. The assumption of identical initial condition for ILC is removed by introducing boundary layer functions. The uncertainties with time-varying delays are compensated for with assistance of appropriate Lyapunov-Krasovskii functional and Young\u2019s inequality. The hyperbolic tangent function is employed to avoid the possible singularity problem. According to a property of hyperbolic tangent function, the system output is proved to converge to a small neighborhood of the desired trajectory by constructing Lyapunov-like composite energy function (CEF) in two cases, while maintaining all the closed-loop signals bounded. Finally, a simulation example is presented to verify the effectiveness of the proposed approach.<\/jats:p>","DOI":"10.1155\/2014\/238018","type":"journal-article","created":{"date-parts":[[2014,6,24]],"date-time":"2014-06-24T17:19:08Z","timestamp":1403630348000},"page":"1-14","source":"Crossref","is-referenced-by-count":6,"title":["A New AILC for a Class of Nonlinearly Parameterized Systems with Unknown Delays and Input Dead-Zone"],"prefix":"10.1155","volume":"2014","author":[{"given":"Jian-ming","family":"Wei","sequence":"first","affiliation":[{"name":"Department of Control Engineering, Naval Aeronautical and Astronautical University, Yantai 264001, China"}]},{"given":"Yun-an","family":"Hu","sequence":"additional","affiliation":[{"name":"Department of Control Engineering, Naval Aeronautical and Astronautical University, Yantai 264001, China"}]},{"given":"Mei-mei","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Control Engineering, Naval Aeronautical and Astronautical University, Yantai 264001, China"}]}],"member":"98","reference":[{"issue":"2","key":"1","first-page":"123","volume":"11","year":"1984","journal-title":"Journal of Robotic Systems"},{"issue":"5","key":"2","doi-asserted-by":"crossref","first-page":"508","DOI":"10.1109\/56.20435","volume":"4","year":"1988","journal-title":"IEEE Transactions on Robotics and Automation"},{"issue":"6","key":"3","doi-asserted-by":"crossref","first-page":"835","DOI":"10.1109\/70.105392","volume":"7","year":"1991","journal-title":"IEEE Transactions on Robotics and Automation"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1002\/acs.4480070507"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1016\/0005-1098(94)00064-P"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1080\/00207179608921630"},{"issue":"8","key":"7","doi-asserted-by":"crossref","first-page":"1001","DOI":"10.1016\/S0005-1098(98)00028-4","volume":"34","year":"1998","journal-title":"Automatica"},{"issue":"11","key":"8","doi-asserted-by":"crossref","first-page":"1445","DOI":"10.1016\/S0005-1098(98)00098-3","volume":"34","year":"1998","journal-title":"Automatica"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1109\/9.940946"},{"key":"10","doi-asserted-by":"publisher","DOI":"10.1016\/S0005-1098(02)00003-1"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1109\/TAC.2004.825613"},{"issue":"2","key":"12","first-page":"194","volume":"6","year":"2008","journal-title":"International Journal of Control Automation and Systems"},{"key":"13","doi-asserted-by":"publisher","DOI":"10.1080\/002071700405824"},{"issue":"2","key":"14","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1049\/ip-cta:20000138","volume":"147","year":"2000","journal-title":"IEE Proceedings\u2014Control Theory and Application"},{"key":"15","doi-asserted-by":"publisher","DOI":"10.1016\/S0005-1098(99)00100-4"},{"key":"16","doi-asserted-by":"publisher","DOI":"10.1109\/TAC.2002.804460"},{"key":"17","doi-asserted-by":"publisher","DOI":"10.1016\/S0005-1098(03)00205-X"},{"key":"18","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2004.01.026"},{"key":"19","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2004.01.029"},{"issue":"1","key":"20","doi-asserted-by":"crossref","first-page":"589","DOI":"10.1109\/TSMCB.2003.818433","volume":"34","year":"2004","journal-title":"IEEE Transactions on Systems, Man, and Cybernetics B: Cybernetics"},{"key":"21","doi-asserted-by":"publisher","DOI":"10.1109\/TAC.2006.883028"},{"key":"22","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2007.12.004"},{"issue":"5","key":"23","doi-asserted-by":"crossref","first-page":"724","DOI":"10.1109\/TFUZZ.2004.834806","volume":"12","year":"2004","journal-title":"IEEE Transactions on Fuzzy Systems"},{"key":"24","doi-asserted-by":"publisher","DOI":"10.1109\/TAC.2007.906215"},{"issue":"1","key":"25","doi-asserted-by":"crossref","first-page":"40","DOI":"10.1109\/TFUZZ.2007.902021","volume":"16","year":"2008","journal-title":"IEEE Transaction on Fuzzy Systems"},{"key":"26","doi-asserted-by":"publisher","DOI":"10.1002\/asjc.299"},{"key":"27","doi-asserted-by":"publisher","DOI":"10.1002\/asjc.275"},{"key":"28","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2005.01.011"},{"key":"29","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2007.06.008"},{"issue":"3","key":"30","first-page":"1","volume":"40","year":"2009","journal-title":"IEEE Transactions on Systems, Man and Cybernetics B: Cybernetics"},{"key":"31","doi-asserted-by":"publisher","DOI":"10.1155\/2013\/416292"},{"key":"32","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2012.02.007"},{"key":"33","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2012.06.032"},{"key":"34","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2013.03.031"},{"key":"35","year":"2014"},{"key":"36","doi-asserted-by":"publisher","DOI":"10.1016\/S0005-1098(97)00196-9"},{"issue":"6","key":"37","doi-asserted-by":"crossref","first-page":"507","DOI":"10.1049\/ip-cta:19982409","volume":"145","year":"1998","journal-title":"IEE Proceedings\u2014Control Theory and Applications"},{"key":"38","doi-asserted-by":"publisher","DOI":"10.1080\/00207720110052021"},{"issue":"2","key":"39","doi-asserted-by":"crossref","first-page":"177","DOI":"10.1007\/s11633-009-0177-5","volume":"6","year":"2009","journal-title":"International Journal of Automation and Computing"},{"issue":"2","key":"40","doi-asserted-by":"crossref","first-page":"177","DOI":"10.1007\/s12555-010-0201-0","volume":"8","year":"2010","journal-title":"International Journal of Control, Automation and Systems"},{"key":"41","doi-asserted-by":"publisher","DOI":"10.3724\/SP.J.1004.2008.01556"},{"key":"42","doi-asserted-by":"publisher","DOI":"10.1109\/9.273339"},{"issue":"3","key":"43","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1049\/ip-cta:20030398","volume":"150","year":"2003","journal-title":"IEE Proceedings\u2014Control Theory and Applications"},{"key":"44","doi-asserted-by":"publisher","DOI":"10.1016\/S0005-1098(03)00219-X"},{"key":"45","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2003.10.021"},{"key":"46","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2006.12.014"},{"key":"47","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2007.11.025"},{"key":"48","doi-asserted-by":"publisher","DOI":"10.1109\/TAC.2005.854658"},{"key":"49","doi-asserted-by":"publisher","DOI":"10.1016\/j.automatica.2006.08.003"},{"key":"50","year":"1995"}],"container-title":["Journal of Applied Mathematics"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/jam\/2014\/238018.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/jam\/2014\/238018.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/jam\/2014\/238018.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,6,22]],"date-time":"2017-06-22T11:28:30Z","timestamp":1498130910000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.hindawi.com\/journals\/jam\/2014\/238018\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014]]},"references-count":50,"alternative-id":["238018","238018"],"URL":"https:\/\/doi.org\/10.1155\/2014\/238018","relation":{},"ISSN":["1110-757X","1687-0042"],"issn-type":[{"value":"1110-757X","type":"print"},{"value":"1687-0042","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014]]}}}