... nature and time-delay is, in many cases, a source of instability. Thestability issue and the performance of time delayed systems are, therefore, both of theoretical and practical importance. ... systems and its applications to modeling and control,” IEEE Transactions on Systems, Man and Cybernetics, vol. 15, no. 1, pp. 116–132, 1985.22 K. Tanaka and M. Sugeno, “Stability analysis and design ... by the grant of the Korean Ministry of Education, Science and Technology The Regional Core Research Program/Center for Healthcare TechnologyDevelopment.References1 H. Fujisaka and T. Yamada,...