Academic literature on the topic 'Delay controls'

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Journal articles on the topic "Delay controls"

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Erjino, Dawit Sullamo, Abera Beyamo Mekiso, Lonsako Abute Woiloro, et al. "Maternal delays and unfavourable newborn outcomes among skilled deliveries in public hospitals of Hadiya Zone, Southern Ethiopia: a case–control study." BMJ Open 12, no. 5 (2022): e055569. http://dx.doi.org/10.1136/bmjopen-2021-055569.

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ObjectWe assessed maternal delays and unfavourable newborn outcomes among skilled deliveries in public hospitals of Hadiya Zone, Southern Ethiopia using ‘the three maternal delays’ framework.DesignA case–control study was conducted.SettingPublic hospitals in Hadiya Zone, southern Ethiopia.ParticipantsSample of 57 cases and 121 controls participated from 4 September 2019 to 30 October 2019. Consecutive dead newborns at discharge or admitted newborns for more 24 hours after delivery were selected as cases. Two consecutive controls were selected from none cases discharged within 24 hours of skill
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Sadoun, Mokhtaria Bouariba, Amine Benaissa Cherif, Rachid Bentifour, Keltoum Bouhali, Mohamed Biomy, and Khaled Zennir. "Loss of Exponential Stability for a Delayed Timoshenko System Symmetrically in Both Viscoelasticity and Fractional Boundary Controls." Symmetry 17, no. 3 (2025): 423. https://doi.org/10.3390/sym17030423.

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The stability analysis of Timoshenko beam systems that incorporate delays and fractional boundary controls is a complex area of study in the field of viscoelasticity. Our study aims to balance the symmetric influence of internal viscoelastic damping and boundary fractional damping in a structured way. The goal is to establish a system where both effects contribute symmetrically to the overall stability and dynamics. In this paper, we study the stability of certain hyperbolic evolution problems, in particular, a Timoshenko system in viscoelasticity with fractional time delay and fractional boun
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Fu, Liping, and Bruce Hellinga. "Delay Variability at Signalized Intersections." Transportation Research Record: Journal of the Transportation Research Board 1710, no. 1 (2000): 215–21. http://dx.doi.org/10.3141/1710-25.

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Delays that individual vehicles may experience at a signalized intersection are usually subject to large variation because of the randomness of traffic arrivals and interruption caused by traffic signal controls. Although such variation may have important implications for the planning, design, and analysis of signal controls, currently no analytical model is available to quantify it. The development of an analytical model for predicting the variance of overall delay is described. The model is constructed on the basis of the delay evolution patterns under two extreme traffic conditions: highly
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Lazzari, Giorgio, Robert van de Vorst, Floris T. van Vugt, and Carlotta Lega. "Subtle Patterns of Altered Responsiveness to Delayed Auditory Feedback during Finger Tapping in People Who Stutter." Brain Sciences 14, no. 5 (2024): 472. http://dx.doi.org/10.3390/brainsci14050472.

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Differences in sensorimotor integration mechanisms have been observed between people who stutter (PWS) and controls who do not. Delayed auditory feedback (DAF) introduces timing discrepancies between perception and action, disrupting sequence production in verbal and non-verbal domains. While DAF consistently enhances speech fluency in PWS, its impact on non-verbal sensorimotor synchronization abilities remains unexplored. A total of 11 PWS and 13 matched controls completed five tasks: (1) unpaced tapping; (2) synchronization-continuation task (SCT) without auditory feedback; (3) SCT with DAF,
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Yu, Xue, Edmund Sonuga-Barke, and Xiangping Liu. "Preference for Smaller Sooner Over Larger Later Rewards in ADHD: Contribution of Delay Duration and Paradigm Type." Journal of Attention Disorders 22, no. 10 (2015): 984–93. http://dx.doi.org/10.1177/1087054715570390.

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Objective: Individuals with ADHD preferentially choose smaller sooner (SS) over larger later (LL) rewards, termed impulsive choice. This has been observed to different degrees on single-choice and more complex discounting tasks using various types of rewards and durations of delays. There has been no direct comparison of performance of ADHD children using these two paradigms. Method: Two experimental paradigms, single-choice and temporal discounting, each including two delay conditions (13 and 25 s), were administered to 7- to 9-year-old children with ADHD ( n = 17) and matched controls ( n =
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Hubl, Daniela, Nicolas Moor, Jochen Kindler, Mara Kottlow, Thomas Dierks, and Thomas Koenig. "Speed, Accuracy, and Efficiency of Judgements of Coincidence between Speech Acts and Auditory Perception during a Delayed Auditory Feedback Paradigm: A Behavioral Study in Patients with Schizophrenia." Timing & Time Perception 8, no. 2 (2020): 177–91. http://dx.doi.org/10.1163/22134468-20191163.

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The inability to differentiate between one’s actions and their consequences from sensory inputs originating from an alien source might cause classical first-rank symptoms in schizophrenia, such as audio-verbal hallucinations (AVH). We aimed to determine whether patients with or without AVH perform differently in a task challenging the audio-verbal self-monitoring system compared to controls. Controls (n = 21) and schizophrenia patients with (AH, n = 11) and without AVH (NH, n = 9) participated. Subjects had to discern whether they heard a sound they had just uttered with or without delay. Reac
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Fantino, Edmund, and Jay N. Goldshmidt. "Differences, Not Ratios, Control Choice in an Experimental Analogue to Foraging." Psychological Science 11, no. 3 (2000): 229–33. http://dx.doi.org/10.1111/1467-9280.00246.

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In choice between outcomes with different delays to reinforcement, most theories require that choice be governed by the ratio of the delays, not by the difference between them, a requirement also consistent with Weber's law. Instead, delay-reduction theory and optimal-foraging theory stipulate, under conditions of the present experiments, that the difference between the delays, and not the ratio between them, controls choice. This prediction was assessed using a procedure, widely used in foraging experiments, in which pigeons chose between accepting and rejecting either of two delays when offe
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Van Nieuwland, M., E. Colin, D. Boumans, M. Vermeer, E. Brouwer, and C. Alves. "AB0367 DIAGNOSTIC DELAY IN PATIENTS WITH GIANT CELL ARTERITIS." Annals of the Rheumatic Diseases 80, Suppl 1 (2021): 1209–10. http://dx.doi.org/10.1136/annrheumdis-2021-eular.1830.

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Background:Giant cell arteritis (GCA) is the most common systemic vasculitis in the elderly which can lead to severe complications when treatment is delayed. Therefore, timely diagnosis and start of treatment is essential. Several forms of delay (consultation, referral and diagnostic delay) can contribute to the total delay towards GCA diagnosis. In the Dutch healthcare system, treatment is not started by a general practitioner (GP). When GCA is suspected, GPs refer to specialists. In our hospital, a fast track clinic (FTC) is used to expedite diagnosis. However, information on factors contrib
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HERSHEY, TAMARA, REMA LILLIE, MICHELLE SADLER, and NEIL H. WHITE. "Severe hypoglycemia and long-term spatial memory in children with type 1 diabetes mellitus: A retrospective study." Journal of the International Neuropsychological Society 9, no. 5 (2003): 740–50. http://dx.doi.org/10.1017/s1355617703950077.

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Performance on long delays of delayed response tasks is associated with medial temporal function, a region of the brain affected by severe hypoglycemia. A previous study showed that children with type 1 diabetes mellitus (T1DM) with higher risk for severe hypoglycemia performed worse than controls on long delays of a spatial delayed response (SDR) task. We tested the more specific hypothesis that frequency of severe hypoglycemia would relate to long delay SDR performance. Children with T1DM (n = 51) and controls (n = 32) performed the SDR task with short and long delays. Information was collec
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Matte-Landry, Alexandra, Michel Boivin, Laurence Tanguay-Garneau, et al. "Children With Persistent Versus Transient Early Language Delay: Language, Academic, and Psychosocial Outcomes in Elementary School." Journal of Speech, Language, and Hearing Research 63, no. 11 (2020): 3760–74. http://dx.doi.org/10.1044/2020_jslhr-20-00230.

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Purpose The objective of this study was to compare children with persistent versus transient preschool language delay on language, academic, and psychosocial outcomes in elementary school. Method Children with persistent language delay ( n = 30), transient language delay ( n = 29), and no language delay (controls; n = 163) were identified from a population-based sample of twins. They were compared on language skills, academic achievement, and psychosocial adjustment in kindergarten and Grades 1, 3, 4, and 6. Results Children with persistent language delay continued to show language difficultie
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Dissertations / Theses on the topic "Delay controls"

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Wang, Zimeng. "Stochastic optimal controls with delay." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/47816/.

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This thesis investigates stochastic optimal control problems with discrete delay and those with both discrete and exponential moving average delays, using the stochastic maximum principle, together with the methods of conjugate duality and dynamic programming. To obtain the stochastic maximum principle, we first extend the conjugate duality method presented in [2, 44] to study a stochastic convex (primal) problem with discrete delay. An expression for the corresponding dual problem, as well as the necessary and sufficient conditions for optimality of both problems, are derived. The novelty of
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Yoshioka, Kumiko. "Coupling delay controls synchronized oscillation in the segmentation clock." Kyoto University, 2020. http://hdl.handle.net/2433/253153.

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Sargolzaei, Arman. "Time-Delay Switch Attack on Networked Control Systems, Effects and Countermeasures." FIU Digital Commons, 2015. http://digitalcommons.fiu.edu/etd/2175.

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In recent years, the security of networked control systems (NCSs) has been an important challenge for many researchers. Although the security schemes for networked control systems have advanced in the past several years, there have been many acknowledged cyber attacks. As a result, this dissertation proposes the use of a novel time-delay switch (TDS) attack by introducing time delays into the dynamics of NCSs. Such an attack has devastating effects on NCSs if prevention techniques and countermeasures are not considered in the design of these systems. To overcome the stability issue caused by T
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Deng, Yang. "Delay estimation and predictor-based control of time-delay systems with a class of various delays." Thesis, Ecole centrale de Nantes, 2020. http://www.theses.fr/2020ECDN0014.

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Le retard est un phénomène largement présent dans les systèmes de commande(i.e.retard physique, latence de communication, temps de calcul) et peut en dégrader les performances ou même les déstabiliser. Si le retard est faible, la stabilité en boucle fermée peut être garantie par des lois de commande conventionnelles mais ces techniques ne sont plus efficaces si le retard est long. Cette thèse est dédiée à la commande des systèmes à retard avec retards longs inconnus ou avec des retards incertains. Pour compenser les retards longs, la commande prédictive est adoptée et des techniques d’estimatio
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Maiolini, Jacopo. "On delay compensation control for systems with distributed input delay." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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Questa tesi riguarda lo sviluppo di una nuova tecnica di controllo chiamata Delay Compensation per sistemi scalari che presentano un ritardo distribuito nei canali di ingresso. Lo scopo principale è di compensare realmente il lag intrinseco del sistema per un dato instante T_0. Esistono, infatti, alcune tecniche già utilizzate in questo ambito, chiamate predictor-like, che assegnano uno spettro stabile in closed-loop solamente dopo che il sistema è stato soggetto a tutto il ritardo presente in ingresso, non riuscendo perciò a compensarlo esattamente. L'obbiettivo secondario è dovuto a delle ap
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Lombardi, Warody. "Constrained control for time-delay systems." Phd thesis, Supélec, 2011. http://tel.archives-ouvertes.fr/tel-00631507.

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The main interest of the present thesis is the constrained control of time-delay system, more specifically taking into consideration the discretization problem (due to, for example, a communication network) and the presence of constraints in the system's trajectories and control inputs. The effects of data-sampling and modeling problem are studied in detail, where an uncertainty is added into the system due to additional effect of the discretization and delay. The delay variation with respect to the sampling instants is characterized by a polytopic supra-approximation of the discretization/del
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Van, Ryzin Garrett John. "Control of manufacturing systems with delay." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14834.

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Tabrizi, Nozar. "Asynchronous control circuit design and hazard generation : inertial delay and pure delay models /." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09pht114.pdf.

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Yuksel, Can Kutlu. "Simultaneous Time-Delay Compensation and Periodic Control." Electronic Thesis or Diss., université Paris-Saclay, 2025. http://www.theses.fr/2025UPAST024.

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Il existe différents scénarios dans lesquels on exige qu'un système fonctionne de manière périodique et, par conséquent, un besoin durable d'avoir un contrôleur capable de répondre à cette demande. On peut dire que l'approche la plus courante pour construire ces contrôleurs est le paradigme de conception du contrôle répétitif. Néanmoins, si les systèmes considérés souffrent de retards temporels et/ou de types particuliers de signaux périodiques, les directives du paradigme du contrôle répétitif peuvent être trop strictes et tirées par les cheveux pour être suivies. La thèse cherche des moyens
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Lam, James. "Model reduction of delay systems." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277881.

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Books on the topic "Delay controls"

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Fambro, Daniel B. Effects of the quality of traffic signal progression on delay. Transportation Research Board, National Research Council, 1991.

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Paselk, Theodore Alan. Automated vehicle delay estimation and motorist information at the U.S./Canadian Border: Final technical report, Research Project GC 8719, Task 41, Automated Motorist Information Detection System. Washington State Dept. of Transportation, Washington State Transportation Commission in cooperation with the U.S. Dept. of Transportation, Federal Highway Administration, 1992.

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L, Dugard, and Verriest Erik I. 1950-, eds. Stability and control of time-delay systems. Springer, 1998.

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Romero, Luis F. Jiménez. Optimal control of time-delay systems. National Library of Canada = Bibliothèque nationale du Canada, 1991.

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Zhang, Xiaodong. Optimal control of time-delay systems. National Library of Canada, 1994.

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Silviu-Iulian, Niculescu, and Gu Keqin 1957-, eds. Advances in time-delay systems. Springer-Verlag, c2004., 2004.

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Silviu-Iulian, Niculescu, and Gu Keqin 1957-, eds. Advances in time-delay systems. Springer-Verlag, 2004.

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Wang, Qing-Guo. Finite spectrum assignment for time-delay systems. Springer, 1999.

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Bautista-Baños, Silvia. Postharvest decay: Control strategies. Elsevier/AP, Academic Press is an imprint of Elsevier, 2014.

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National Conference of State Trial Judges (U.S.). Committee on Court Delay Reduction. Litigation control: The trial judge's key to avoiding delay. American Bar Association, Judicial Division, 1996.

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Book chapters on the topic "Delay controls"

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Pham, Khanh D. "Resilient Control of A Class of Uncertain Time-Delay Systems." In Resilient Controls for Ordering Uncertain Prospects. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08705-4_7.

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Pham, Khanh D. "Networked Control with Time Delay Measurements and Communications Channel Constraints." In Resilient Controls for Ordering Uncertain Prospects. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08705-4_8.

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Sun, Xiaojuan. "Partial Connection Delay Controls the Mean Interspike Intervals of Neuronal Networks." In Advances in Cognitive Neurodynamics (V). Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0207-6_110.

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Gugat, Martin, Markus Dick, and Günter Leugering. "Stabilization of the Gas Flow in Star-Shaped Networks by Feedback Controls with Varying Delay." In IFIP Advances in Information and Communication Technology. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36062-6_26.

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Uchida, Noriki, Ryo Hashimoto, Goshi Sato, and Yoshitaka Shibata. "Remote Voltage Controls by Image Recognitions for Adaptive Array Antenna of Vehicular Delay Tolerant Networks." In Advances on P2P, Parallel, Grid, Cloud and Internet Computing. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02607-3_35.

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Uchida, Noriki, Tomoyuki Ishida, and Yoshitaka Shibata. "Delay Tolerant Networking with Antenna Directional Controls with the Weight Function for the Multiple Vehicular Communication." In Advances in Network-Based Information Systems. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65521-5_11.

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Ibrahim, Jimoh, Christoph Loch, and Kishore Sengupta. "Two Power Plants." In How Megaprojects Are Damaging Nigeria and How to Fix It. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96474-0_8.

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AbstractThis first project, the Egbin Power Plant, was initiated under a civilian government and delayed because of two coups. But then the military government supported the project (which had a strong value proposition) and saw it through.The second project, the Calabar Power Plant, was a part of a large highly ambitious scheme to build 11 power plants, which ran out of money as well as neglecting critical components of the network surrounding a plant (gas supplies and power distribution lines). So, the power plant hardware itself was completed after a delay, but the plant still delivers litt
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Ren, Wei, and Yongcan Cao. "Time Delay." In Communications and Control Engineering. Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-169-1_10.

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Gehring, Nicole, Joachim Rudolph, and Frank Woittennek. "Control of Linear Delay Systems: An Approach without Explicit Predictions." In Delay Systems. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-01695-5_2.

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Zítek, Pavel, Jaromír Fišer, and Tomáš Vyhlídal. "Dominant Trio of Poles Assignment in Delayed PID Control Loop." In Delay Systems. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-01695-5_5.

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Conference papers on the topic "Delay controls"

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Gesell, Leslie H., and Stephen M. Evanko. "Optical resonators for true-time-delay beam steering." In Aerospace/Defense Sensing and Controls, edited by Andrew R. Pirich. SPIE, 1996. http://dx.doi.org/10.1117/12.243100.

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Kornreich, Philipp G., Nitipun Nivartvong, Andrew R. Pirich, and Pankaj K. Das. "Photonic true-time delay line for signal processing." In Aerospace/Defense Sensing and Controls, edited by Andrew R. Pirich and Michael A. Parker. SPIE, 1998. http://dx.doi.org/10.1117/12.317667.

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Sheng, Jie, Ozer Elbeyli, and J. Q. Sun. "Optimal Feedback Controls of Linear Systems With Time Delay." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/vib-48547.

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This paper presents an application of semi-discretization method to stability analysis and optimal design of PID feedback controls of time invariant and periodic linear systems with time delay. The method develops a mapping of the system response in a finite dimensional state space, and produces the stability boundaries and performance contours in the parametric space of control gains. Optimal feedback gains that minimize the largest absolute value of the eigenvalues of the mapping have been studied for different cases where the performance contours are either closed or open.
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Dey, Rajeeb, A. Rakshit, G. Ray, and S. Ghosh. "New delay-dependent stabilization result for linear time-delay system with actuator saturation." In 2012 International Conference on Power, Signals, Controls and Computation (EPSCICON). IEEE, 2012. http://dx.doi.org/10.1109/epscicon.2012.6175267.

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Riza, Nabeel A., and Nicholas Madamopoulos. "Photonic time-delay beam-forming architectures using polarization switching arrays." In Aerospace/Defense Sensing and Controls, edited by Dennis R. Pape. SPIE, 1996. http://dx.doi.org/10.1117/12.243127.

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Madamopoulos, Nicholas, and Nabeel A. Riza. "Photonic delay lines using polarization-selective holograms for optical signal routing." In Aerospace/Defense Sensing and Controls, edited by Dennis R. Pape. SPIE, 1998. http://dx.doi.org/10.1117/12.319413.

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Huang, Ling, Cheng-Chew Lim, and Ji Liu. "Time delay compensation for positive nonlinear networked control systems with bounded controls." In 2016 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE). IEEE, 2016. http://dx.doi.org/10.1109/fuzz-ieee.2016.7737927.

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Dailyudenko, Victor F. "Fractal and multidimensional analysis of data from delay complex systems." In Aerospace/Defense Sensing, Simulation, and Controls, edited by Belur V. Dasarathy. SPIE, 2001. http://dx.doi.org/10.1117/12.421080.

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Kowalewski, Adam, Zbigniew Emirsajlow, Jan Sokolowski, and Anna Krakowiak. "Sensitivity of optimal controls for time delay parabolic systems." In 2016 21st International Conference on Methods and Models in Automation and Robotics (MMAR). IEEE, 2016. http://dx.doi.org/10.1109/mmar.2016.7575188.

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Wu, Renbiao, and Jian Li. "Novel time delay estimation methods with applications to ultrawideband ground-penetrating radar." In Aerospace/Defense Sensing and Controls, edited by Robert Trebits and James L. Kurtz. SPIE, 1998. http://dx.doi.org/10.1117/12.319451.

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Reports on the topic "Delay controls"

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Pesis, Edna, and Mikal Saltveit. Postharvest Delay of Fruit Ripening by Metabolites of Anaerobic Respiration: Acetaldehyde and Ethanol. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7604923.bard.

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The use of pretreatments for 24 h prior to storage, under anaerobic condtions, or in the presence of the natural metabolic products, acetaldehyde (AA) and ethanol, to delay fruit ripening, was found to be effective with several climacteric fruits, among them avocado, mango, peach and tomato. The delay in ripening of avocado, peach and tomato was accompanied by inhibition of ethylene production and of fruit softening. The maintenance of fruit firmness was associated with a decrease in the activities of cell-wall-degrading enzymes, including endoglucanases (Cx), polygalacturonases (PG) and b-gal
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Chalutz, Edo, Charles Wilson, Samir Droby, et al. Induction of Resistance to Postharvest Diseases and Extension of Shelf-Life of Fruits and Vegetables by Ultra-Violet Light. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7568093.bard.

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Following preliminary observations by one of the collaborating scientists on this project and the completion of a 1-year, BARD-supported feasibility study (IS-1908-90F), this 3-year BARD project has been executed. The main objectives of the research were to elucidate biochemical and pathological aspects of UV-induced resistance in fruits and vegetables, to characterize physical and biological variables of induced resistance and delay of ripening, and to explore the application of the treatment as a control practice of postharvest diseases and shelf-life extension of fruits and vegetables. Our
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Annaswamy, Anuradha M. Adaptive Control of Nonlinear Time-Delay Systems. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada441542.

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Hibbert, Angela, Jue Lin, and Begona Pérez Gómez. Automated tide gauge data quality control software and report. EuroSea, 2023. http://dx.doi.org/10.3289/eurosea_d5.7.

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The WP5 Coastal Resilience and Operational Services demonstrator aims to design and deploy innovative sea level monitoring systems, integrating their observations with downscaled model forecasts into an alert-based monitoring and forecasting tool (OSPAC) that is design for use by ports and local authorities. As part of this data integration process, sea level observations must be quality-controlled in near real-time, to minimise the risk of false alarms. This has historically been achieved using an established open-source software package (SELENE). Recent progress using automatic quality contr
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Zinn, Ben T., Y. Neumeier, E. Lubarsky, C. E. Johnson, and J. Lee. Effects of Noise and Time Delay Upon Active Control of Combustion Instabilities. Defense Technical Information Center, 2001. http://dx.doi.org/10.21236/ada404773.

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Clark, A., K. Gross, and Q. Wu. RTP Control Protocol (RTCP) Extended Report (XR) Block for Delay Metric Reporting. RFC Editor, 2013. http://dx.doi.org/10.17487/rfc6843.

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Emma Rose Locatelli, Emma Rose Locatelli. Leaves in stone: does decay control the fossil record? Experiment, 2014. http://dx.doi.org/10.18258/2496.

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Nero, A. V., A. J. Gadgil, W. W. Nazaroff, and K. L. Revzan. Indoor radon and decay products: Concentrations, causes, and control strategies. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6318312.

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Clark, A., and Q. Wu. RTP Control Protocol (RTCP) Extended Report (XR) Block for Packet Delay Variation Metric Reporting. RFC Editor, 2012. http://dx.doi.org/10.17487/rfc6798.

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Graziano, Alejandro, Christian Volpe Martincus, and Jerónimo Carballo. Customs. Inter-American Development Bank, 2016. http://dx.doi.org/10.18235/0011743.

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Abstract:
In this paper, we estimate the effects of custom-related delays on firms'exports. In so doing, we use a unique dataset that consists of the universe of Uruguay's export transactions over the period 2002-2011 and includes precise information on the actual time it took for each of these transactions to go through customs. We account for potential endogeneity of these processing times by exploiting the conditional random allocation of shipments to different verification channels associated with the use of riskbased control procedures. Results suggest that delays have a significant negative impact
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