1. Doyle, J. C., Glover, K., Khargonekar, P. P. and Francis, B. A., 1989, “State-space Solutions to Stand H2 and H∞ Control Problems,”IEEE Trans. on Automat. Contr., Vol. AC-34, pp. 831–847.
2. Duncan McFarlane and Keith Glover, 1992, “A Loop Shaping Design Procedure UsingH∞ Synthesis,”IEEE Trans. on Automatic Control, Vol. 37, No. 6, pp. 759–769.
3. Franchek, M. A., 1996 “Selecting the Performance Weights for the μ andH∞ Synthesis Methods for SISO Regulating Systems,”Trans. of the ASME, Vol. 118, pp. 126–131.
4. Lu, H. C. and Lin, W. C., 1993 “Robust Con-troller with Disturbance Rejection for Hydraulic Servo Systems,”IEEE Trans. on Industrial Electronics, Vol. 40, No. 1, pp. 157–162.
5. Park, C. H., Hong, S. I. and Park, H. C., 2005, “Analytical Development of a Robust Controller for Smart Structure Systems,”KSME International Journal, Vol. 19, No. 5, pp. 1138–1147.