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... on the Free List, Walker Wins In Bad Time, H. J. Wills' Share Report, Obituary Lord Calthorpe, To- ...

1910 - Gale Group | NCCO EuropeAfrica

Artigo Acesso aberto Revisado por pares

Christopher Maulén, Claudio Muñoz,

... as global existence in the space $$H^1\times H^2$$, existence of super luminal solitons, and lack ... terms of the energy space norm $$L^2\times H^1$$, for any $$p>1$$, in two almost ... the light cone for all small, bounded in time $$H^1\times H^2$$ solutions, and (2) decay on compact sets of arbitrarily large bounded in time $$H^1\times H^2$$ solutions. The proof consists in finding two ...

Tópico(s): Nonlinear Waves and Solitons

2020 - Springer Science+Business Media | Partial Differential Equations and Applications

Jornais Acesso aberto

A. Cutler, M. Marshall, Bow Bell,

... Waterloo," &c. New Edition, Completed to the Present Time. H. G. Bohn, Repeal Association, Corn Exchange, Police Desecration ...

1847 - Gale Group | NCCO BritishPolitics

Artigo Revisado por pares

Xuemei Wang, Yufei Tan, Tiantian Zhang, Jindong Zhang, Kecheng Yu,

... rates of the emergency accident ventilation are 15 times/h, 18 times/h, and 24 times/h, respectively for the leak sizes of 4 mm, ... MPa, the effective air change rates are 21 times/h, 30 times/h, and 36 times/h, respectively for the leak sizes of 4 mm, ...

Tópico(s): Geophysical Methods and Applications

2020 - Elsevier BV | Tunnelling and Underground Space Technology

Artigo Acesso aberto Revisado por pares

Fucun Li, Hongxia Guo, Zhen Jing, Zhaojun Wang, Xinku Wang,

... 1. Table 1. Forecast daily load curve data Time/h Load power, MW Time, h Load power, MW Time, h Load power, MW 1 59.1 9 186. ... 6. Table 4. Charging and discharging power scheme Time/h Load power, MW Time, h Load power, MW Time, h Load power, MW 1 14.2 9 1. ...

Tópico(s): Smart Grid Energy Management

2018 - Institution of Engineering and Technology | The Journal of Engineering

Artigo Revisado por pares

Kathleen Lim, Belinda Free, Sukanto Sinha,

... prognostication. Following a pilot study using the original TIME-H scoring system in chronic wound management, modifications were suggested leading to the development of the Modified TIME-H scoring system. This study investigates the feasibility and reliability of chronic wound prognostication applying the Modified TIME-H score.Patients referred to the hospital's outpatient ... three predicted outcome categories based on their Modified TIME-H score.This study shows a higher proportion of ... healing, uncertain healing and difficult healing.The Modified TIME-H score could be a useful tool for assessment, ...

Tópico(s): Diabetic Foot Ulcer Assessment and Management

2015 - Mark Allen Group | Journal of Wound Care

Artigo Revisado por pares

Emmanuel G. Collins,

... this paper considers the direct synthesis of discrete-time, H ∞ control laws. Previously, two approaches have been proposed ... The second approach is to synthesize the discrete-time, H ∞ control law by solving discrete-time, H ∞ Riccati equations. Due to numerical ill-conditioning, this ... are developed. These equations reduce to standard continuous-time H ∞ design equations when the sample period is set ... example which also shows that the central continuous-time H ∞ controller of the continuous-time system obtained by ...

Tópico(s): Real-time simulation and control systems

1999 - Taylor & Francis | International Journal of Control

Artigo Revisado por pares

Xinggui Liu, Xiaofeng Liao,

... paper, the locally fixed-time and globally fixed-time H ∞ control problems for the port-controlled Hamiltonian (PCH) ... regardless of initial conditions. The concepts of fixed-time H ∞ control, fixed-time stability region (or region of ... prespecified fixed-time stability region, the globally fixed-time H ∞ control problem of PCH system is effectively solved. ... are designed to deal with the globally fixed-time H ∞ control problem, and the conservativeness in estimating the ... this paper work very well in the fixed-time H ∞ control design for PCH systems.

Tópico(s): Adaptive Control of Nonlinear Systems

2018 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Automatic Control

Artigo Revisado por pares

Çağatay Evrim Afşarlar, Sheila L. Ryan, Edward Donel, Truc H. Baccam, Beth Moody Jones, Barkha Chandwani, Jason Au, Gene O. Huang, Edmond T. Gonzales, Nicolette Janzen, Duong D. Tu, Abhishek Seth, David R. Roth, Chester J. Koh,

... 11.5 ± 5 (0.1–18)0.575Triage time (h:min)0:14 ± 0:12 (0:02–0: ... 03–0:29)0.071ER arrival to OR Time (h:min)3:18 ± 1:16 (1:03–7: ... 55–3:26)<0.001Triage completion to OR time (h:min)3:03 ± 1:16 (0:55–7: ... 12)<0.001ER arrival to Scrotal Doppler US Time (h:min)0:52 ± 0:36 (0:11–2: ... 1:33)0.112Scrotal Doppler US to OR time (h:min)2:26 ± 1:04 (0:36–5: ...

Tópico(s): Testicular diseases and treatments

2016 - Elsevier BV | Journal of Pediatric Urology

Artigo Revisado por pares

Hao Shen, Ju H. Park, Zheng‐Guang Wu, Zhengqiang Zhang,

This paper investigates the problem of finite-time H∞ synchronization for complex networks with time-varying delays and semi-Markov jump topology. The network topologies are assumed to switch from one to ... are time-varying and dependent on the sojourn-time h. Attention is focused on proposing some synchronization criteria guaranteeing the underlying network is stochastically finite-time H∞ synchronized. By using the properties of Kronecker product ... Lyapunov–Krasovskii method, the solutions to the finite-time H∞ synchronization problem are formulated in the form of ...

Tópico(s): Cooperative Communication and Network Coding

2014 - Elsevier BV | Communications in Nonlinear Science and Numerical Simulation

Artigo Revisado por pares

Motoki Kouzaki, Minoru Shinohara,

... alternate muscle activity ranged from 4 to 11 times/h for RF-VL (7.0 +/- 2.0 times/h) and RF-VM (7.0 +/- 1.9 times/h) pairs, but it was only 0 to 2 times/h for the VL-VM pair (0.5 +/- 0.7 times/h). MVC force after the sustained contraction decreased by ...

Tópico(s): Motor Control and Adaptation

2006 - American Physiological Society | Journal of Applied Physiology

Artigo Acesso aberto Revisado por pares

Harry L. Trentelman, Anton A. Stoorvogel,

... period can be reduced to a pure discrete-time $H_2$ optimal control problem. This discrete-time $H_2$ problem is always singular. Motivated by this, ... paper we give a treatment of the discrete-time $H_2$ optimal control problem in its full generality. ... obtain are then applied to the singular discrete-time $H_2$ problem arising from the sampled-data $H_ ...

Tópico(s): Control Systems and Identification

1995 - Society for Industrial and Applied Mathematics | SIAM Journal on Control and Optimization

Artigo Revisado por pares

Yuejie Yao, Yiping Luo, Jinde Cao,

This paper investigates the finite-time H∞ cluster consensus for a class of nonlinear multi-agent systems with uncertainties and external disturbances. First, a new aperiodic intermittent controller ... cluster consensus control. Second, the problem of finite-time H∞ cluster control when the system encounters external disturbances ... sufficient conditions for the system to achieve finite-time H∞ cluster consensus control under the action of intermittent ...

Tópico(s): Mathematical and Theoretical Epidemiology and Ecology Models

2022 - Elsevier BV | Communications in Nonlinear Science and Numerical Simulation

Artigo Acesso aberto

Qian Wang,

... vorticity $(v,\varrho\mathfrak{w} \in H^s \times H^s \times H^{s'}$, $2\lt s'\lt s$. The result ... be $(v,\varrho,\mathfrak{w} \in H^s\times H^s\times H^{s'}$, $s>2$, $s' > \frac{3}{2}$. We ...

Tópico(s): Geometric Analysis and Curvature Flows

2022 - Princeton University | Annals of Mathematics

Artigo Acesso aberto Revisado por pares

Austin Antoniou, Salvatore Tringali,

... group). We denote by $\mathcal P_{\rm fin,\times}(H)$ the monoid obtained by endowing the collection of ... fin},1}(H)$, of $\mathcal P_{\text{fin},\times}(H)$ consisting of all finite subsets $X$ of $H$ ... transfer these conclusions to $\mathcal P_{\text{fin},\times}(H)$. Next, we introduce "minimal factorizations" to account for ... we obtain conditions for $\mathcal P_{\text{fin},\times}(H)$ to be BmF (meaning that each non-unit ...

Tópico(s): Advanced Topology and Set Theory

2021 - Mathematical Sciences Publishers | Pacific Journal of Mathematics

Artigo Acesso aberto Revisado por pares

Qin Liu, Huai Chen, Jianyu Li, Xiaoyan Huang, Lihua Lai, Shenghao Li, Qingsi Zeng,

... bilirubin; APTT, activated partial thromboplastin time; PT, prothrombin time; hs-CRP, high-sensitivity C-reactive protein; FBG, fasting ... LDH, lactate dehydrogenase; AST, aspartate aminotransferase; PT, prothrombin time; hs-CRP, high-sensitivity C-reactive protein; FBG, fasting ... bilirubin; APTT, activated partial thromboplastin time; PT, prothrombin time; hs-CRP, high-sensitivity C-reactive protein; FBG, fasting ... LDH, lactate dehydrogenase; AST, aspartate aminotransferase; PT, prothrombin time; hs-CRP, high-sensitivity C-reactive protein; FBG, fasting ...

Tópico(s): COVID-19 Clinical Research Studies

2020 - Elsevier BV | Journal of Infection

Artigo Revisado por pares

Dong Yang, Chunxiao Huang, Guangdeng Zong,

Summary This paper addresses the finite‐time H ∞ bumpless transfer control problem for switched systems. The main idea lies in designing a state‐feedback controller with amplitude limitation and a ... a state‐dependent switching law, a prescribed finite‐time H ∞ bumpless transfer control performance is attained even if ... a sufficient condition verifying the solvability of finite‐time H ∞ bumpless transfer control problem is established by resorting ...

Tópico(s): Control and Stability of Dynamical Systems

2019 - Wiley | International Journal of Robust and Nonlinear Control

Artigo Revisado por pares

Yunfei Sun, Fang Wang, Chao Yang, Dapeng Liu, Xin Wang, Xianpeng Su,

... between crabs were fighting (2.31–4.14 times/h), secondly chasing (1.02–3.07 times/h), and threatening (1.24–2.09 times/h), and the fewest encounters were non-aggression (0.13–0.49 times/h). The results indicated that swimming crab foraging behavior ...

Tópico(s): Marine and fisheries research

2018 - Elsevier BV | Aquaculture

Artigo Revisado por pares

Xiaodong Lü, Xianfu Zhang, Liying Sun,

This paper studies the finite-time H∞ control problem for the nonlinear discrete Hamiltonian descriptor system (NDHDS). Firstly, based on a proper state-feedback controller, a strict dissipative ... are derived for finite-time boundedness and finite-time H∞ boundedness of the strict dissipative system, and the obtained results are applied to finite-time H∞ control problem for the NDHDS. Finally, a simulation ...

Tópico(s): Advanced Control Systems Optimization

2017 - Elsevier BV | Journal of the Franklin Institute

Artigo Revisado por pares

Hanyong Shao, Jianrong Zhao,

... stability results in [21, 22], the maximal dwell-time h can be obtained; see Table 2.As is shown in Table 2, the maximal dwell-time h obtained by Theorem 2 in this paper is ... stability results in [21, 22], the minimal dwell-time h can be obtained as in Table 3.As seen from Table 3, the minimal dwell-time h given by Theorem 3 in this paper is ...

Tópico(s): Stability and Control of Uncertain Systems

2017 - Institution of Engineering and Technology | IET Control Theory and Applications

Artigo Revisado por pares

Guangdeng Zong, Ruihua Wang, Wei Xing Zheng, Linlin Hou,

Summary In this paper, the problem of finite‐time H ∞ control is addressed for a class of discrete‐ ... of the closed‐loop system. Then, a finite‐time H ∞ state feedback controller is also designed by solving such conditions. Furthermore, the problem of uniform finite‐time H ∞ stabilization is also resolved. All the conditions are ...

Tópico(s): Adaptive Control of Nonlinear Systems

2013 - Wiley | International Journal of Robust and Nonlinear Control

Artigo Revisado por pares

Yingqi Zhang, Caixia Liu, Yongduan Song,

This paper investigates the problem of finite-time H∞ filtering for one class of discrete-time Markovian jump systems with time-varying norm-bounded disturbance. Firstly, the filtering error dynamic system is ... result, we also tackle the problem of finite-time H∞ filtering for discrete-time Markovian jump systems without ... control input and provide sufficient conditions on finite-time H∞ filtering for the family of discrete-time Markovian ...

Tópico(s): Adaptive Control of Nonlinear Systems

2013 - Elsevier BV | Journal of the Franklin Institute

Artigo Revisado por pares

Guangdeng Zong, Dong Yang, Linlin Hou, Qingzhi Wang,

... is concerned with the problem of robust finite-time H∞ control for Markovian jump systems with partially known ... time boundedness, H∞ finite-time boundedness and finite-time H∞ state feedback stabilization are, respectively, developed for the ... system for the first time. A robust finite-time H∞ state feedback controller is also designed, which guarantees ...

Tópico(s): Control and Stability of Dynamical Systems

2013 - Elsevier BV | Journal of the Franklin Institute

Artigo Revisado por pares

Ryan C. Thompson,

... Camassa--Holm system is continuous from $H^s \times H^{s-1}(\mathbb {T})$ into $C([0,T];H^s \times H^{s-1}(\mathbb {T}))$ but not uniformly continuous. ... map is Hölder continuous if the $H^s \times H^{s-1}(\mathbb {T})$ norm is replaced by an $H^r \times H^{r-1}(\mathbb {T})$ norm for $0 \leq ...

Tópico(s): Algebraic structures and combinatorial models

2013 - Khayyam Publishing | Differential and Integral Equations

Artigo Acesso aberto Revisado por pares

Yingqi Zhang, Wei Cheng, Xiaowu Mu, Xiulan Guo,

This paper addresses the problem of finite‐time H ∞ control via observer‐based state feedback for a family of singular Markovian jump systems (SMJSs) with time‐varying norm‐bounded disturbance. Firstly, the ... stochastic finite‐time boundedness and singular stochastic finite‐time H ∞ stabilization via observer‐based state feedback are given. ... controller is designed to ensure singular stochastic finite‐time H ∞ stabilization via observer‐based state feedback of the ...

Tópico(s): Petri Nets in System Modeling

2012 - Hindawi Publishing Corporation | Journal of Applied Mathematics

Artigo Revisado por pares

Zhengrong Xiang, Yanan Sun, Magdi S. Mahmoud,

This paper investigates the robust finite-time H∞ control problem for a class of uncertain switched neutral systems with unknown time-varying disturbance. The uncertainties under consideration are norm bounded. ... of switched neutral systems is derived. Then, finite-time H∞ performance analysis for switched neutral systems is developed, and a robust finite-time H∞ state feedback controller is proposed to guarantee that ...

Tópico(s): Advanced Control Systems Design

2011 - Elsevier BV | Communications in Nonlinear Science and Numerical Simulation

Artigo Acesso aberto Revisado por pares

Tadahiro Uemura, Eric Schaefer, Christopher S. Hollenbeak, Akhtar Khan, Zakiyah Kadry,

... 0.7 0.6 1.4 Cold ischemia time (h) 7.1 ± 4.8 7.2 ± 3.3 ... 0.76–1.44) 0.78 Cold ischemia time (h) 12 1.17 (0.99–1.37) 0. ... 5 1.1 0 1.7 Cold ischemia time (h) 7.3 ± 5.3 7.1 ± 3.2 ... 0.65–1.54) 0.99 Cold ischemia time (h) 12 0.99 (0.76–1.27) 0. ...

Tópico(s): Liver Diseases and Immunity

2011 - Springer Science+Business Media | Transplant International

Artigo Acesso aberto Revisado por pares

Bradley D. Katz, Aaron B. Margolin,

... L reduction during alkaline stabilization at 28°C Time (h) Average viral concentration (log10 total PFU ± SE)* Significant§ ... L reduction during alkaline stabilization at 4°C Time (h) Average viral concentration (log10 total PFU ± SE)* Significant§ ... 175 reduction during alkaline stabilization at 28°C Time (h) Average viral concentration (log10 total PFU ± SE)* Significant§ ... 175 reduction during alkaline stabilization at 4°C Time (h) Average viral concentration (log10 total PFU ± SE)* Significant§ ...

Tópico(s): Salmonella and Campylobacter epidemiology

2007 - Oxford University Press | Journal of Applied Microbiology