1. Identification of stiffness and damping coefficients of journal bearings by means of the impact methods;Nordmann;I. Mech. E. Cons,1980
2. Zhang, Y. Y., Study on parameter identification of hydrodynamic bearing-rotor systems, Doctorate Thesis, Xi'an Jiaotong University, (In Chinese), 1989.
3. Meng, Q. F., Simulation study on the identification of bearing oil film coefficients, Thesis of Master Degree, Xi'an Jiaotong University, (In Chinese), 1986.
4. Zhao, M. J., Construction of design of impulse electro-magnet, Graduate Thesis of Electric Apparatus of Xi'an Jiaotong, (In Chinese), 1988.
5. Zhang, Y. Y., Xie, Y. B. and Lee, Y. L., Experimental investigation of the system damping of rotor-bearing system. 5th IMAC, London, 1987.