REFERENCES
- AL-SAGGAF , U. M. , and FRANKLIN , G. F. , 1987 I.E.E.E. Trans. autom. Control , 32 , 815 .
- ANDERSON , B. D. O. , 1972 , Q. appl. Math. , 29 , 577 .
- APLRVICH , J. D. , 1973 , Int. J. Control , 17 , 565 .
- CHEN , C. F. , and SHIEH , L. S. , 1968 , Int. J. Control , 8 , 561 .
- DEABREU-GARCIA , J. A. , and FAIRMAN , F. W. , 1987 , I.E.E.E. Trans. Circuits Systems , 34 , 997 .
- FERNANDO , K. V. , and NICHOLSON , H. , 1985 , I.E.E.E. Trans. Circuits Systems , 32 , 487 .
- GENESIO , R. , and MILANESE , M. , 1976 , I.E.E.E. Trans. autom. Control , 21 , 118 .
- GOPAL , M. , and MEHTA , S. I. , 1982 , I.E.E.E. Trans. autom. Control , 27 , 688 .
- HICKIN , J. , and SINHA , N. K. , 1980 , I.E.E.E. Trans. autom. Control , 25 , 1121 .
- LATZEL , W. , ZIMMERMANN , L. , and ZIMMERMANN , H. , 1983 , Proc. IFAC Workshop on Modelling and Control Of Electric Power Plants .
- LUUS , R. , 1980 , Int. J. Control , 32 , 741 .
- MEIER , L. , and LUENBERGER , D. G. , 1967 , I.E.E.E. Trans. autom. Control , 12 , 585 .
- MOORE , B. C. , 1981 , I.E.E.E. Trans. autom. Control , 26 , 17 .
- MULLIS , C. T. , and ROBERTS , R. A. , 1976 , I.E.E.E. Trans. Circuits Systems , 23 , 551 .
- PERNEBO , L. , and SILVERMAN , L. M. , 1982 , I.E.E.E. Trans. autom. Control , 27 , 382 .
- PHILLIPS , J. L. , 1971 , Math. Comput , 25 , 599 .
- SHAMASH , Y. , 1975 , Int. J. Control , 21 , 475 .
- WILSON , D. A. , 1970 , Proc. Instn elect. Engrs , 117 , 1161 ; 1974, Int. J. Control, 20, 57 .