Zobrazeno 1 - 10
of 258
pro vyhledávání: '"Tomomichi Hagiwara"'
Publikováno v:
IEEE Access, Vol 12, Pp 49826-49836 (2024)
This paper investigates a class of sampled-data control systems in which at least one of the discrete-time zeros remains on the unit circle regardless of the sampling period. This type of zero is referred to as an “uniformly marginally stable” (U
Externí odkaz:
https://doaj.org/article/0d0eced86cda4723aecdbc346ac801e8
Autor:
Tomomichi Hagiwara, Masaki Sugiyama
Publikováno v:
AIMS Mathematics, Vol 9, Iss 2, Pp 3035-3075 (2024)
This paper is concerned with the $ L_2/L_1 $ induced and Hankel norms of sampled-data systems. In defining the Hankel norm, the $ h $-periodicity of the input-output relation of sampled-data systems is taken into account, where $ h $ denotes the samp
Externí odkaz:
https://doaj.org/article/e991fffa2b73476d8e79340f99539bc5
Publikováno v:
IEEE Access, Vol 12, Pp 1031-1038 (2024)
This paper is an attempt to extend the theory of positive systems to sampled-data systems. Even though where to take the initial time is unimportant in positivity of linear time-invariant systems, this is not the case for sampled-data systems because
Externí odkaz:
https://doaj.org/article/b4929fb1332a499f95e2bf029fd09016
Publikováno v:
IEEE Access, Vol 11, Pp 20079-20087 (2023)
Since the sensing period of a signal generally depends on the used sensor, it may be different from another, even in a single control system if it involves multiple sensors. This paper investigates a design problem of state observers for linear time-
Externí odkaz:
https://doaj.org/article/b56215cff1da4297a4b911e75ac03a22
Publikováno v:
IET Control Theory & Applications, Vol 15, Iss 5, Pp 668-682 (2021)
Abstract Because sampled‐data systems have h‐periodic nature with the sampling period h, an arbitrary Θ∈[0,h) is taken and the quasi L∞/L2 Hankel operator at Θ is defined as the mapping from L2(−∞,Θ) to L∞[Θ,∞). Its norm called th
Externí odkaz:
https://doaj.org/article/ff072f23d0d44c8186a3703a6ce73909
Publikováno v:
IEEE Access, Vol 8, Pp 139868-139880 (2020)
This paper is concerned with performance analysis for bounded persistent disturbances of continuous-time linear time-invariant (LTI) systems. Such an analysis can be done by computing the L∞-induced norm of continuous-time LTI systems since it corr
Externí odkaz:
https://doaj.org/article/44a6f8b4152945248c35f898b664e252
Publikováno v:
SICE Journal of Control, Measurement, and System Integration, Vol 12, Iss 2, Pp 39-46 (2019)
This paper studies a method of designing robust output estimators for discrete-time linear periodically time-varying (LPTV) systems with uncertainties. The key idea is to use not the well-known lifting technique but that called cycling for dealing wi
Externí odkaz:
https://doaj.org/article/3ece03169fbb4ba58213259a06de03a0
Publikováno v:
IEEE Control Systems Letters. 7:751-756
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d707388f10ed8439b9a3d72230a90c75
https://doi.org/10.1109/lcsys.2022.3224875
https://doi.org/10.1109/lcsys.2022.3224875
Publikováno v:
Transactions of the Society of Instrument and Control Engineers. 59:92-102
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b16558facae4e9200218623b320a342e
https://doi.org/10.9746/sicetr.59.92
https://doi.org/10.9746/sicetr.59.92
Autor:
Tomomichi Hagiwara, Masaki Sugiyama
Publikováno v:
AIMS Mathematics; 2024, Vol. 9 Issue 2, p3035-3075, 41p