[1] AM M, Fawzi E (1993) Nonlinear oscillations in magnetic bearing systems. IEEE T Automat Contr 38: 1242–1245.
[2] Virgin LN, Walsh TF, Knight JD (1995) Nonlinear behavior of a magnetic bearing system. ASME J Eng Gas Turb Power 17: 582–588.
[3] Zhang W, Zhan XP (2005) Periodic and chaotic motions of a rotor active magnetic bearing with quadratic and cubic terms and time–varying stiffness. Nonlinear Dynam 41: 331-359.
[4] Wang H, Liu J (2005) Stability and bifurcation analysis in a magnetic bearing system with time delays. Chaos Soliton Fract 26: 813-825.
[5] Wang H, Jiang W (2006) Multiple stabilities analysis in a magnetic bearing system with time delays. Chaos Soliton Fract 27: 789-799.
[6] Zhang W, Yao M. H, Zhan X. P (2006) Multi-pulse chaotic motions of a rotor-active magnetic bearing system with time-varying stiffness. Chaos Soliton Fract 27: 175–186.
[7] Inayat-Hussain, J. I (2007) Chaos via torus breakdown in the vibration response of a rigid rotor supported by active magnetic bearings. Chaos Soliton Fract 31(4): 912-927.
[8] Amer Y, Hegazy U. H (2007) Resonance behavior of a rotor-active magnetic bearing with time-varying stiffness. Chaos Soliton Fract 34: 1328-1345.
[9] Zhang, et al (2008) Global bifurcations and chaos for a rotor-active magnetic bearing system with time-varying stiffness. Chaos Soliton Fract 35(3): 586-608.
[10] Jang M J, Chen C K (2001) Bifurcation analysis in flexible rotor supported by active magnetic bearings. Int J Bifurcat Chaos 11: 2163-2178.
[11] Zhang, Zu J (2008) Transient and steady nonlinear responses for a rotor active magnetic bearings system with time-varying stiffness. Chaos Soliton Fract 38(4): 1152-1167.
[12] Inayat-Hussain (2009) Geometric coupling effects on the bifurcations of a flexible rotor response in active magnetic bearings. Chaos Soliton Fract 41: 2664-2671.
[13] Inayat-Hussain J (2010) Nonlinear dynamics of a statically missaligned flexible rotor in active magnetic bearings. Commun Nonlinear Sci Numer Simulat 15: 764-777.
[14] Halminen, et al (2015) Active magnetic bearing-supported rotor with misaligned cageless backup bearings: A dropdown event simulation model. Mech Syst Signal Pr 50: 692-705.
[15] Alasty A, Shabani R (2006) Nonlinear parametric identification of magnetic bearings. Mechatronics 451-459.
[16] حجت ی (1389) بررسی پارامترهای مؤثر سامانه یاتاقان مغناطیسی فعال به صورت تحلیلی و عددی. مجله فنی و مهندسی مدرس مکانیک 39.
[17] دربندی م (1392) شناسایی خطای اندازهگیری سنسور در سیستم یاتاقان مغناطیسی فعال با استفاده از مشاهدهگر تناسبی کنترلی. مجله کنترل 2.
[18] Maurice L, Adams, J. R (2001) Rotary Machinary Vibration. Marcel Dekker, New York.
[19] Gerhard S, Eric H. M (2009) Magnetic bearings. Springer Dordrecht Heidelberg, New York.
[20] Wolf A, Swift J. B, Swinney H. L, Vastano J. A (1985) Determining lyapanov exponents from a time series. Physica D 16: 285-317.
[21] Xu J (2009) Some advance on global analysis of nonlinear systems. Chaos Soliton Fract 39: 1839-1848.