1. Gai Y X, Li D, Dong S. Study on dynamics of electromagnetic actuator in active vibration control. High Technol Let, 2011, 6: 76–78
2. Li Y F, Su H Y, Chu J. Overview on Subspace model identification methods (in Chinese). J Chem Industry Eng, 2006, 57: 473–479
3. Napolitano K, Linehan D. Multiple Sine Sweep Excitation for Ground Vibration Tests. In: Proceedings of the IMAC-XXVII. Orlando, 2009
4. Overschee V P, Moor D B. Subspace Identification of Linear Systems: Theory, Implementation, Applications. Netherlands: Kluwer Academic Publishers, 1996
5. Favoreel W, De Moor B, Van O P. Subspace state space system identification for industrial processes. J Pro Control, 2000, 10: 149–155