Results 61 to 70 of about 1,297,153 (289)
The problem of designing linear time-invariant stabilizing time-delay compensators for a class of linear timeinvariant retarded time-delay systems is considered. To solve this problem, an approach, based on the continuous pole placement algorithm, is proposed. A design example is also presented to demonstrate the proposed approach.
Erol, H. Ersin, Iftar, Altug
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Geometric time delay interferometry [PDF]
18 pages REVTeX4, 6 EPS figures, revised PRD version.
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ABSTRACT Background The management of clinically apparent single lesions or oligofocal nephroblastomatosis, a facultative precursor of nephroblastoma, remains debated. Methods We retrospectively analyzed 37 patients with clinically apparent single or oligofocal nephroblastomatosis (two to three lesions per kidney) among 2347 patients registered between
Nils Welter +17 more
wiley +1 more source
This paper is concerned with the ℓ∞-gain analysis problem of discrete-time positive singular systems with time-varying delays. By introducing an auxiliary system, a necessary and sufficient positivity condition is proposed for systems. Then,
Yukang Cui, Hao Feng, Guang-Zhong Cao
doaj +1 more source
Exponential stability of abstract evolution equations with time delay [PDF]
We consider abstract semilinear evolution equations with a time delay feedback. We show that, if the $C_0$-semigroup describing the linear part of the model is exponentially stable, then the whole system retains this good property when a suitable ...
Nicaise, Serge, Pignotti, Cristina
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ABSTRACT End‐of‐life conversations with adolescents and young adults (AYAs) with cancer rarely occur without the guidance of healthcare professionals. As a part of the ‘Difficult Discussions’ study, focused on palliative care and advance care planning discussions with AYAs with cancer, we investigated the factors that healthcare professionals identify ...
Justine Lee +9 more
wiley +1 more source
ABSTRACT Purpose Pediatric central nervous system (CNS) tumors often recur despite multimodality therapy. Although re‐irradiation (re‐RT) has historically been limited by concerns for severe late toxicities, modern techniques have renewed interest in this approach. Proton therapy provides dosimetric advantages that may enable curative re‐treatment with
Jin‐Ho Song +15 more
wiley +1 more source
Practical and asymptotic stabilities for a class of delayed fractional discrete-time linear systems [PDF]
The practical and asymptotic stabilities of delayed fractional discrete-time linear systems described by the model without a time shift in the difference are addressed. The D-decomposition approach is used for stability analysis.
A. Ruszewski
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The initial insight into time delay in Mn photoionization in the region of the $3p \to 3d$ giant autoionization resonance is gained in the framework of the "spin-polarized" random phase approximation with exchange.
Deshmukh, P. C. +3 more
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Time-Delayed Quantum Feedback Control [PDF]
A theory of time-delayed coherent quantum feedback is developed. More specifically, we consider a quantum system coupled to a bosonic reservoir creating a unidirectional feedback loop. It is shown that the dynamics can be mapped onto a fictitious series of cascaded quantum systems, where the system is driven by past versions of itself.
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