{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,18]],"date-time":"2025-10-18T10:12:52Z","timestamp":1760782372364},"reference-count":21,"publisher":"World Scientific Pub Co Pte Lt","issue":"07","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Bifurcation Chaos"],"published-print":{"date-parts":[[2002,7]]},"abstract":"<jats:p> This study addresses the adaptive synchronization of R\u00f6ssler and Chua circuit systems with unknown parameters. By using Lyapunov stability theory the adaptive synchronization law with a single-state variable feedback is derived, such that the trajectory of the two systems are globally stabilized to an equilibrium point of the uncontrolled system (globally stable means that the method of the solution is restricted in area of phase space i.e. globally in a subset of a phase space with bounded zero volume). We use the Lyapunov direct method to study the asymptotic stability of the solutions of error system. Numerical simulations are given to explain the effectiveness of the proposed control scheme. <\/jats:p>","DOI":"10.1142\/s0218127402005388","type":"journal-article","created":{"date-parts":[[2002,10,1]],"date-time":"2002-10-01T20:05:06Z","timestamp":1033502706000},"page":"1579-1597","source":"Crossref","is-referenced-by-count":48,"title":["ADAPTIVE SYNCHRONIZATION FOR R\u00d6SSLER AND CHUA'S CIRCUIT SYSTEMS"],"prefix":"10.1142","volume":"12","author":[{"given":"A. S.","family":"HEGAZI","sequence":"first","affiliation":[{"name":"Mathematics Department, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H. N.","family":"AGIZA","sequence":"additional","affiliation":[{"name":"Mathematics Department, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. M.","family":"EL-DESSOKY","sequence":"additional","affiliation":[{"name":"Mathematics Department, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2011,11,20]]},"reference":[{"key":"rf1","doi-asserted-by":"publisher","DOI":"10.1109\/31.75404"},{"key":"rf2","first-page":"693","volume":"40","author":"Chen G.","journal-title":"IEEE Trans. Circuits Syst."},{"key":"rf4","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.71.65"},{"key":"rf5","first-page":"50","volume":"1","author":"Femat R.","journal-title":"Phys. Lett. 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