Kotaro Hashikura, Yoshito Ohta, Akira Kojima:An internal state decomposition approach to a discrete-time H control problem with irrational input non-minimum phase property, Systems & Control Letters, Vol. 61 No. 4, pp. 513-520 (2012年4月)
K. Hashikura, A.Kojima, and Y.Ohta: On a discrete-time H-infinity control problem with additional input non-minimum phase property, Proc. of 20th International Symposium on Mathematical Theory of Networks and Systems, Melbourne, Australia, No. MTNS2012_0060 (2012年7月)
R.Ishibashi, T.Oda, K.Tahara, H.Kino, A.Kojima:Parallel system using V-Shaped shape memory alloy actuator, Proc. of SICE Annual Conference, Akita, Japan, WeP02-33 (2012年8月)
A.Kojima: H-infinity output feedback control for preview and delayed systems, Proc. of 51st IEEE Conference on Decision and Control (CDC), Maui, U.S.A., pp.4271–4278 (2012年12月)