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Directional stability radius:a stability analysis tool for uncertain polynomial systems KAWABATA, Keishi MORI, Takehiro KUROE, Yasuaki open access copyright©2003 IEEE Delta-operator systems directional stability radius interval polynomial shifted-Hurwitz stability stability analysis tool Coefficients of characteristic polynomials for stable parametrically uncertain systems are allowed to perturb to some extent for stability. Stability radius is a useful tool to assess the allowance of the stability for the systems. To enhance its usefulness, we modify stability radius so that it takes into account of given restricted perturbations, which we call directional stability radius. For an application, we show shifted-Hurwitz stability conditions and a stability analysis method for interval polynomial systems using the directional stability radii. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. IEEE Trans. on Automatic Control, v.48 no.6, 1012-1016 K.Kawabata, T.Mori,Y.Kuroe 2003.06 Submitted by 附属図書館 KIT-Repository (dspace-admin@jim.kit.ac.jp) on 2009-04-01T07:53:29Z No. of bitstreams: 1 IEEE-48-6.pdf: 436501 bytes, checksum: 9dd52dc9a0f8746b142702133f2aed33 (MD5) Made available in DSpace on 2009-04-01T07:53:30Z (GMT). No. of bitstreams: 1 IEEE-48-6.pdf: 436501 bytes, checksum: 9dd52dc9a0f8746b142702133f2aed33 (MD5) Previous issue date: 2003-06 Institute of Electrical and Electronics Engineers 2003-06 eng journal article VoR http://hdl.handle.net/10212/1893 https://kit.repo.nii.ac.jp/records/2000464 https://doi.org/10.1109/TAC.2003.812785 IEEE Transactions on Automatic Control 48 6 1012 1016 https://kit.repo.nii.ac.jp/record/2000464/files/IEEE-48-6.pdf application/pdf 426.3 KB