2BALL J, HELTON M L. Optimal control for nonlinear plants connection with differential games [ A ]. In Proe, 28th Conf Decision and Control[C], Tampa: P.L1989. 956962 - 956966.
3VAN DER SCHAFF A J. L2 - gain analysis of nonlinear systems and nonlinear statefeedback control [ J ]. IEEE Transactions on Autonmtie Contr., 1992, 37(6) :770- 784.
4VAN DER SCHAFT A J. On a state spaceapproch to nonlinear H∞ control [ J ]. Syat and Contr Lett, 1991,16(1); 1 -8.
5ISIDORI A, AATOLFI A. disturbance attention and H∞ control via measurement feedback in nonlinear systems [ J ].IEEE Transactions on Automatic Control,1992, 37(9) ; 1283 - 1293.
6SIDORI A. H∞ control measurement feed-back for afline nonlinear systems[J], Int J Rob and Nonl Contr, 1994, 4(4):553- 574.
7ISIDORI A. Nonlinear control systems[ M ]. Third Edition Landon: Springer,1995.
8LIN W, SHEN T. Robust passivity and feedback design for mininum- phase nonlinear systems with structural uncertainty[ J]. Automatic, 1999,35(1):35-48.
9KRSTIC M, KANELXAKOPAULOS I,KOKOTOVIC P V. Nonlinear and adaptive control design [ M ]. New York: Wiley, 1995.
10YAZDANPANAH M J, KHORASANI K,PATEL R V. On the estimate of the domain of validity of nonlinear H∞ control[J] .Int J Omtr, 1999,72(12) : 1097 -1105.
