Journal of Control Science and Engineering
Volume 2007 (2007), Article ID 93904, 12 pages
http://dx.doi.org/10.1155/2007/93904
The Best Achievable ℋ 2 Tracking Performances for SIMO Feedback Control Systems
1Department of Information Physics and Computing, The University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku 113-8656, Tokyo, Japan
2Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi-Shi 332-0012, Saitama, Japan
Received 20 August 2006; Revised 10 January 2007; Accepted 12 April 2007
Academic Editor: Sigurd Skogestad
Copyright © 2007 Shinji Hara et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
This paper is concerned with the inherent