%0 Journal Article %T On the Optimality of Plug-In Optimal Control Systems %A Takao Fujii %A Koichi Osuka %A Mai Bando %J Lecture Notes in Engineering and Computer Science %D 2012 %I Newswood and International Association of Engineers %U http://www.iaeng.org/publication/IMECS2012/IMECS2012_pp952-955.pdf