{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,19]],"date-time":"2025-10-19T16:04:44Z","timestamp":1760889884924,"version":"3.37.3"},"reference-count":16,"publisher":"World Scientific Pub Co Pte Ltd","issue":"07","funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11671149"],"award-info":[{"award-number":["11671149"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003453","name":"Natural Science Foundation of Guangdong Province","doi-asserted-by":"publisher","award":["2017A030312006"],"award-info":[{"award-number":["2017A030312006"]}],"id":[{"id":"10.13039\/501100003453","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Bifurcation Chaos"],"published-print":{"date-parts":[[2019,6,30]]},"abstract":"<jats:p> This paper reports some hidden hyperchaotic attractors and complex dynamics in a new five-dimensional (5D) system with only two nonlinear terms. The system is generated by adding two linear controllers to an unusual 3D autonomous quadratic chaotic system with two stable node-foci. In particular, the hyperchaotic system without equilibrium or with only one stable equilibrium can generate two kinds of hidden hyperchaotic attractors with three positive Lyapunov exponents. Numerical methods not only verify the existence of such attractors and hyperchaotic attractors, but also show the dynamical evolution of this system. The 5D system has self-excited attractors and two types of hidden attractors with the change of its parameter. The parameter switching algorithm is further utilized to numerically approximate the attractor. Specifically, the hidden hyperchaotic attractor can be approximated by switching between two self-excited chaotic attractors. Finally, the circuit realization results are consistent with the numerical results. <\/jats:p>","DOI":"10.1142\/s0218127419500925","type":"journal-article","created":{"date-parts":[[2019,7,15]],"date-time":"2019-07-15T03:09:57Z","timestamp":1563160197000},"page":"1950092","source":"Crossref","is-referenced-by-count":13,"title":["Hidden Hyperchaotic Attractors in a New 5D System Based on Chaotic System with Two Stable Node-Foci"],"prefix":"10.1142","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3623-4947","authenticated-orcid":false,"given":"Qigui","family":"Yang","sequence":"first","affiliation":[{"name":"School of Mathematical Sciences, South China University of Technology, Guangzhou, Guangdong 510641, P. R. China"}]},{"given":"Lingbing","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Mathematical Sciences, South China University of Technology, Guangzhou, Guangdong 510641, P. R. China"}]},{"given":"Bin","family":"Ou","sequence":"additional","affiliation":[{"name":"School of Mathematical Sciences, South China University of Technology, Guangzhou, Guangdong 510641, P. R. 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