Academic literature on the topic 'Delayed-input'

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Journal articles on the topic "Delayed-input"

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Diagne, Mamadou, Nikolaos Bekiaris-Liberis, and Miroslav Krstic. "Compensation of input delay that depends on delayed input." Automatica 85 (November 2017): 362–73. http://dx.doi.org/10.1016/j.automatica.2017.07.069.

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Yoo, Han Woong, Soohee Han, and Young Sam Lee. "Receding HorizonH∞Control for Input-Delayed Systems." Mathematical Problems in Engineering 2012 (2012): 1–15. http://dx.doi.org/10.1155/2012/927213.

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We propose the receding horizonH∞control (RHHC) for input-delayed systems. A new cost function for a finite horizon dynamic game problem is first introduced, which includes two terminal weighting terms parameterized by a positive definite matrix, called a terminal weighing matrix. Secondly, the RHHC is obtained from the solution to the finite dynamic game problem. Thirdly, we propose an LMI condition under which the saddle point value satisfies the nonincreasing monotonicity. Finally, we show the asymptotic stability andH∞boundedness of the closed-loop system controlled by the proposed RHHC. The proposed RHHC has a guaranteedH∞performance bound for nonzero external disturbances and the quadratic cost can be improved by adjusting the prediction horizon length for nonzero initial condition and zero disturbance, which is not the case for existing memoryless state-feedback controllers. It is shown through a numerical example that the proposed RHHC is stabilizing and satisfies the infinite horizonH∞performance bound. Furthermore, the performance in terms of the quadratic cost is shown to be improved by adjusting the prediction horizon length when there exists no external disturbance with nonzero initial condition.
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Park, Jung Hun, Han Woong Yoo, Soohee Han, and Wook Hyun Kwon. "Receding Horizon Controls for Input-Delayed Systems." IEEE Transactions on Automatic Control 53, no. 7 (2008): 1746–52. http://dx.doi.org/10.1109/tac.2008.928320.

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Jin, Jaehyun, Min-Jea Tahk, and Changsu Park. "Time-delayed state and unknown input observation." International Journal of Control 66, no. 5 (1997): 733–46. http://dx.doi.org/10.1080/002071797224522.

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Sun, Zong-Yao, Yanru Peng, and Changyun Wen. "Global stabilization of lower-triangular nonlinear systems with delayed input and delayed state." Journal of the Franklin Institute 357, no. 10 (2020): 5720–34. http://dx.doi.org/10.1016/j.jfranklin.2020.03.006.

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LEE, S. J., W. H. KWON, and S. W. KIM. "LQG/LTR methods for linear input-delayed systems." International Journal of Control 47, no. 5 (1988): 1179–94. http://dx.doi.org/10.1080/00207178808906086.

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Mattioni, Mattia, Salvatore Monaco, and Dorothee Normand-Cyrot. "Sampled-Data Reduction of Nonlinear Input-Delayed Dynamics." IEEE Control Systems Letters 1, no. 1 (2017): 116–21. http://dx.doi.org/10.1109/lcsys.2017.2710118.

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Saberi, Ali, Anton A. Stoorvogel, and Peddapullaiah Sannuti. "Exact, almost and optimal input decoupled (delayed) observers." International Journal of Control 73, no. 7 (2000): 552–81. http://dx.doi.org/10.1080/002071700219425.

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Mazenc, Frédéric, Sabine Mondié, and Silviu-Iulian Niculescu. "Global stabilization of oscillators with bounded delayed input." Systems & Control Letters 53, no. 5 (2004): 415–22. http://dx.doi.org/10.1016/j.sysconle.2004.05.018.

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Sung, MinDong, Sangchul Hahn, Chang Hoon Han, et al. "Event Prediction Model Considering Time and Input Error Using Electronic Medical Records in the Intensive Care Unit: Retrospective Study." JMIR Medical Informatics 9, no. 11 (2021): e26426. http://dx.doi.org/10.2196/26426.

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Background In the era of artificial intelligence, event prediction models are abundant. However, considering the limitation of the electronic medical record–based model, including the temporally skewed prediction and the record itself, these models could be delayed or could yield errors. Objective In this study, we aim to develop multiple event prediction models in intensive care units to overcome their temporal skewness and evaluate their robustness against delayed and erroneous input. Methods A total of 21,738 patients were included in the development cohort. Three events—death, sepsis, and acute kidney injury—were predicted. To overcome the temporal skewness, we developed three models for each event, which predicted the events in advance of three prespecified timepoints. Additionally, to evaluate the robustness against input error and delays, we added simulated errors and delayed input and calculated changes in the area under the receiver operating characteristic curve (AUROC) values. Results Most of the AUROC and area under the precision-recall curve values of each model were higher than those of the conventional scores, as well as other machine learning models previously used. In the error input experiment, except for our proposed model, an increase in the noise added to the model lowered the resulting AUROC value. However, the delayed input did not show the performance decreased in this experiment. Conclusions For a prediction model that was applicable in the real world, we considered not only performance but also temporal skewness, delayed input, and input error.
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Dissertations / Theses on the topic "Delayed-input"

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Siniscalchi, Luisa. "Delayed-Input and Non-Malleable Cryptographic Protocols." Doctoral thesis, Universita degli studi di Salerno, 2018. http://hdl.handle.net/10556/3050.

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2016 - 2017<br>A major goal in the design of cryptographic protocols is to re- duce the number of communication rounds. Since a cryptographic protocol usually consists of a composition and interplay of some subprotocols and cryptographic primitives, the natural approach to save rounds consists in playing all subprotocols in parallel. Un- fortunately this approach often fails since a subprotocol in order to start could require as input the output of another subprotocol. In such cases the two subprotocols must be played sequentially therefore penalizing the overall round complexity. In this thesis we provide delayed-input cryptographic protocols that can be played in parallel with other subprotocols even in the above scenario where the output of a subprotocol is required as input by the other subprotocol. We show the actual impact of our delayed-input cryptographic protocols by improving the round e ciency of various applications... [edited by Author]<br>XXX ciclo
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Elwood, Terril Joy. "Maternal linguistic input to normal and expressive language delayed toddlers." PDXScholar, 1989. https://pdxscholar.library.pdx.edu/open_access_etds/3864.

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Research suggests that the linguistic environment of the expressive language delayed child is different from that of his peers. Does this difference actually exist and if so, what are its characteristics? The purpose of this study was to describe the linguistic characteristics of mothers' input to children with normal language acquisition and those of mothers of expressively delayed toddlers; and to identify any differences between these groups. Though considerable research exists in this area, few studies have dealt specifically with large groups of expressively delayed toddlers.
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Kratz, Jonathan L. "Robust Control of Uncertain Input-Delayed Sample Data Systems through Optimization of a Robustness Bound." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429149093.

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Daqaq, Mohammed F. "Adaptation of Nontraditional Control Techniques to Nonlinear Micro and Macro Mechanical Systems." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/28466.

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We investigate the implementation of nontraditional open-loop and closed-loop control techniques to systems at the micro and macro scales. At the macro level, we consider a quay-side container crane. It is known that the United States relies on ocean transportation for 95% of cargo tonnage that moves in and out of the country. Each year over six million loaded marine containers enter U.S. ports. Current growth predictions indicate that container cargo will quadruple in the next twenty years. To cope with this rapid growth, we develop a novel open-loop input-shaping control technique to mitigate payload oscillations on quay-side container cranes. The proposed approach is suitable for automated crane operations, does not require any alterations to the existing crane structure, uses the maximum crane capabilities, and is based on an accurate two-dimensional four-bar-mechanism model of a container crane. The shaped commands are based on a nonlinear approximation of the two-dimensional model frequency and, unlike traditional input-shaping techniques, our approach can account for large hoisting operations. For operator-in-the-loop crane operations, we develop a closed-loop nonlinear delayed-position feedback controller. Key features of this controller are that it: does not require major modifications to the existing crane structure, accounts for motion inversion delays, rejects external disturbances, and is superimposed on the crane operator commands. To validate the controllers, we construct a 1:10 scale model of a 65-ton quay-side container crane. The facility consists of a 7-meter track, 3.5-meter hoisting cables, a trolley, a traverse motor, two hoisting motors, and a 50-pound payload. Using this setup, we demonstrated the effectiveness of the controllers in mitigating payload oscillations in both of the open-loop and closed-loop modes of operation. At the micro level, we consider a micro optical device known as the torsional micromirror. This device has a tremendous number of industrial and consumer market applications including optical switching, light scanning, digital displays, etc. To analyze this device, we develop a comprehensive model of an electrically actuated torsional mirror. Using a Galerkin expansion, we develop a reduced-order model of the mirror and verify it against experimental data. We investigate the accuracy of representing the mirror using a two-degrees-of-freedom lumped-mass model. We conclude that, under normal operating conditions, the statics and dynamics of the mirror can be accurately represented by the simplified lumped-mass system. We utilize the lumped-mass model to study and analyze the nonlinear dynamics of torsional micromirrors subjected to combined DC and resonant AC excitations. The analysis is aimed at enhancing the performance of micromirrors used for scanning applications by providing better insight into the effects of system parameters on the microscanner's optimal design and performance. Examining the characteristics of the mirror response, we found that, for a certain DC voltage range, a two-to-one internal resonance might be activated between the first two modes. Due to this internal resonance, the mirror exhibits complex dynamic behavior. This behavior results in undesirable vibrations that can be detrimental to the scanner performance. Torsional micromirrors are currently being implemented to provide all-optical switching in fiber optic networks. Traditional switching techniques are based on converting the optical signal into electrical signal and back into optical signal before it can be switched into another fiber. This reduces the rate of data transfer substantially. To realize fast all-optical switching, we enhance the transient dynamic characteristics and performance of torsional micromirrors by developing a novel technique for preshaping the voltage commands applied to activate the mirror. This new approach is the first to effectively account for inherent nonlinearities, damping effects, and the energy of the significant higher modes. Using this technique, we are able to realize very fast switching operations with minimal settling time and almost zero overshoot.<br>Ph. D.
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Chadha, Vishal. "Design and Implementation of a Second Generation Logic Cluster for Multi-Technology Field Programmable Gate Arrays." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1126539992.

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Wu, Yu-Ting, and 吳育霆. "SLIDING CONTROLLER DESIGN OF LINEAR DISCRETE SYSTEMS WITH DELAYED INPUT." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/72847337167713538607.

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碩士<br>大同大學<br>電機工程學系(所)<br>96<br>In this thesis, the quasi-sliding mode controller for discrete-time linear system with delay input and disturbance is purposed. By using the method of state transformation, the input delay is eliminated and the transformed system is free of input delay. Based on Lyapunov stability theorem , a quasisliding mode controller is designed to ensure that the system can be bounded-input-bounded-output (BIBO) stable. It demonstrates the feasibility of the proposed control scheme and the simulation results are presented in this study.
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Shen, Chien-Jung, and 沈建榮. "SLIDING MODE CONTROLLER DESIGN OF LINEAR DISCRETE-TIME SYSTEMS WITH DELAYED INPUT AND DISTURBANCE." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/72127330231755311224.

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碩士<br>大同大學<br>電機工程學系(所)<br>98<br>In this thesis, a quasi-sliding mode controller for discrete-time linear system with delay input and disturbance is proposed. By using the method of state transformation, a system with the input delay and disturbance delay is transformed to a delay free system. Based on Lyapunov stability theorem , a quasi-sliding mode controller is designed to ensure the system state trajectories were stable to remain in a small band around the desired sliding surface. Finally, two illustrative examples are provided to demonstrate the effectiveness of the proposed controller.
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Wu, Pei-Chun, and 吳培鈞. "Design and Stability Analysis of Single-Input Fuzzy Logic Controller for a Delayed System." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/e27jr7.

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碩士<br>中原大學<br>電機工程研究所<br>91<br>Investigated in this thesis, is the controller design and stability analysis for systems with time delays. Since it is difficult to get mathematical model for a complicated plant with time delay, a single input fuzzy logic controller (FLC) is used. The FLC used linguistic fuzzy variables, linguistic fuzzy rules and control rules to describe system. It can reach good response without the knowledge of mathematical model. An adaptive genetic algorithm (AGA) is used to adjust the rule base and the scaling factors of FLC. The probability of crossover and mutation are adjusted according to the fitness function, so it converges rapidly and reduces the probability of falling into logical extreme values. This delayed system is shown to be stable asymptotically with Lyapunov’s methods. The simulation part of the control algorithm design is done through the software of Matlab/Simulink. As for the experiment part, we use the DC brushless rotary motor, power amplifier and TI DSP (TMS320F243) controller. The results show that the designed controller is robust and applicable to physical plants.
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Chang, Chia-hsiu, and 張嘉修. "DECENTRALIZED ROBUST FUZZY CONTROL OF UNCERTAIN INPUT-DELAYED LARGE-SCALE SYSTEMS WITH TIME-DELAY INTERCONNECTIONS." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/57939282648142704082.

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碩士<br>大同大學<br>電機工程學系(所)<br>93<br>ABSTRACT This thesis deals with the stabilization problem of uncertain large-scale systems with input delay and the time-delay interconnections. Due to the information transmission between subsystems, time delays are often encountered in large-scale systems and lead to the source of system instability. Some feasible and effective approaches to the control problem of the large-scale systems with time delays and uncertainties are provided in this thesis. First, the original nonlinear time-delay systems can be represented by the Takagi-Sugeno fuzzy model, which combines some simple local linear time-delay systems with their linguistic description. Then, two ways to synthesize the robust controller are developed as follows: (1) robust fuzzy compensatory controller, (2) fuzzy sliding mode controller. The adaptive fuzzy approach is proposed to approximate the upper bound of the uncertainties including the time-delay interconnections and the input delay. Based on the Lyapunov stability theorem, the proposed control schemes can guarantee the robust stability of the whole closed-loop system with input delay and time-delay interconnections. Finally, simulation results are given to demonstrate the validity of the two proposed controllers in this thesis.
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Books on the topic "Delayed-input"

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Office, General Accounting. Computer procurement: Hardware upgrades for Navy inventory control system should be delayed. The Office, 1989.

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Song, Dong, and Theodore W. Berger. Hippocampal memory prosthesis. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199674923.003.0055.

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Damage to the hippocampus and surrounding regions of the medial temporal lobe can result in a permanent loss of the ability to form new long-term memories. Hippocampal memory prosthesis is designed to restore this ability. The animal model described here is the memory-dependent, delayed nonmatch-to-sample (DNMS) task in rats, and the core of the prosthesis is a biomimetic multi-input, multi-output (MIMO) nonlinear dynamical model that predicts hippocampal output (CA1) signals based on input (CA3) signals. When hippocampal CA1 function is pharmacologically blocked, successful DNMS behavior is abolished. However, when MIMO model predictions are used to re-instate CA1 memory-related activities with electrical stimulation, successful DNMS behavior and long-term memory function are restored. The hippocampal memory prosthesis has been successfully implemented in rodents and nonhuman primates, but the current system requires major advances before it can approach a working prosthesis. Looking forward, a deeper knowledge of neural coding will provide further insights.
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Stephens, Paul, and Roderick Dunn. Soft tissue injuries of the hand. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198757689.003.0006.

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Soft tissue injuries of the hand are common and may present variously to therapists, general practice, emergency departments, or surgeons. Simple injuries can be treated without specialist input, but the majority of hand trauma should be referred to dedicated hand surgery centres. Diagnostic error and delayed specialist treatment may lead to poor outcomes and long-term disability. This chapter provides a detailed overview for non-specialists, as well as an aide memoire for hand surgeons and hand therapists. It includes the principles of general wound care, the management of nail injuries, the treatment of extravasation and high-pressure injection injuries, and gunshot wounds. We describe different levels of upper limb amputation, as well as microvascular reconstruction (both replantation and revascularization). We also cover thermal injuries (burns and frostbite), trauma-induced cold sensitivity, and factitious injury.
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Book chapters on the topic "Delayed-input"

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Visconti, Ivan. "Delayed-Input Cryptographic Protocols." In Unveiling Dynamics and Complexity. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-58741-7_12.

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Ciampi, Michele, Jure Sternad, and Yu Xia. "Delayed-Input Multi-party Computation." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-95761-1_12.

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Bakule, L., and J. Böhm. "Robust Decentralized H∞ Control of Input Delayed Interconnected Systems." In Smart Structures. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4611-1_1.

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Mazenc, Frédéric, Sabine Mondié, and Silviu-Iulian Niculescu. "On the Stabilization of Systems with Bounded and Delayed Input." In Lecture Notes in Computational Science and Engineering. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-642-18482-6_8.

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Malleswaran, M., A. Saravanaselvan, and V. Vaidehi. "Improved Input-Delayed Dynamic Neural Network for GPS/INS Integration." In Communications in Computer and Information Science. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-24043-0_67.

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Yang, Ji Hoon, Seung Jung Shin, Dong Kyun Lim, and Jeong Jin Kang. "Robust Congestion Control Design for Input Time Delayed AQM System." In Communications in Computer and Information Science. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23141-4_36.

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Wei, Yusheng, and Zongli Lin. "Regulation of Continuous-Time Linear Input Delayed Systems Without Delay Knowledge." In Truncated Predictor Based Feedback Designs for Linear Systems with Input Delay. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53429-5_7.

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Wei, Yusheng, and Zongli Lin. "Regulation of Discrete-Time Linear Input Delayed Systems Without Delay Knowledge." In Truncated Predictor Based Feedback Designs for Linear Systems with Input Delay. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53429-5_8.

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Ciampi, Michele, Roberto Parisella, and Daniele Venturi. "On Adaptive Security of Delayed-Input Sigma Protocols and Fiat-Shamir NIZKs." In Lecture Notes in Computer Science. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57990-6_33.

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Sugati, Taghreed G., Mohamad S. Alwan, and Xinzhi Liu. "Input-to-State Stability for Delayed Hybrid Systems and $$H_{\infty }$$ Control." In Springer Proceedings in Mathematics & Statistics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63591-6_21.

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Conference papers on the topic "Delayed-input"

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Disarò, Giorgia, and Maria Elena Valcher. "Delayed unknown-input observers for LTI systems: A data-driven approach." In 2024 IEEE 63rd Conference on Decision and Control (CDC). IEEE, 2024. https://doi.org/10.1109/cdc56724.2024.10886329.

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Jafari, Emad, and Tahereh Binazadeh. "Delay Independent Controller Design for Delayed Discrete Singular Systems with Input Saturation." In 2024 32nd International Conference on Electrical Engineering (ICEE). IEEE, 2024. http://dx.doi.org/10.1109/icee63041.2024.10668260.

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Yu, Xin, and Wei Lin. "Asymptotic Stability Preservation of Input Delayed Nonlinear Systems under Sampled-Data Feedback." In 2024 IEEE 63rd Conference on Decision and Control (CDC). IEEE, 2024. https://doi.org/10.1109/cdc56724.2024.10886201.

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Picco, Enrico, Lina C. Jaurige, Kathy Lüdge, and Serge Massar. "Use of a delayed input for simple and effective optimisation of physical reservoir computers." In Emerging Topics in Artificial Intelligence (ETAI) 2024, edited by Giovanni Volpe, Joana B. Pereira, Daniel Brunner, and Aydogan Ozcan. SPIE, 2024. http://dx.doi.org/10.1117/12.3026888.

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Campos, Carlos Bielsa, and Harish J. Palanthandalam-Madapusi. "Delayed input and state observability." In 2008 47th IEEE Conference on Decision and Control. IEEE, 2008. http://dx.doi.org/10.1109/cdc.2008.4739055.

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Diagne, Mamadou, Nikolaos Bekiaris-Liberis, and Miroslav Krstic. "Compensation of input delay that depends on delayed input." In 2017 American Control Conference (ACC). IEEE, 2017. http://dx.doi.org/10.23919/acc.2017.7963754.

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Jung Hun Park, Han Woong Yoo, Soohee Han, and Wook Hyun Kwon. "Receding horizon control for input-delayed systems." In 2007 46th IEEE Conference on Decision and Control. IEEE, 2007. http://dx.doi.org/10.1109/cdc.2007.4434639.

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Abel, Imoleayo, Mrdjan Janković, and Miroslav Krstić. "Constrained Control of Input Delayed Systems With Partially Compensated Input Delays." In ASME 2020 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/dscc2020-3271.

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Abstract Control Barrier Functions (CBFs) have become popular for enforcing — via barrier constraints — the safe operation of nonlinear systems within an admissible set. For systems with input delay(s) of the same length, constrained control has been achieved by combining a CBF for the delay free system with a state predictor that compensates the single input delay. Recently, this approach was extended to multi input systems with input delays of different lengths. One limitation of this extension is that barrier constraint adherence can only be guaranteed after the longest input delay has been compensated and all input channels become available for control. In this paper, we consider the problem of enforcing constraint adherence when only a subset of input delays have been compensated. In particular, we propose a new barrier constraint formulation that ensures that when possible, a subset of input channels with shorter delays will be utilized for keeping the system in the admissible set even before longer input delays have been compensated. We include a numerical example to demonstrate the effectiveness of the proposed approach.
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Fitch, Katherine E., and Harish J. Palanthandalam-Madapusi. "Unbiased minimum-variance filtering for delayed input reconstruction." In 2011 American Control Conference. IEEE, 2011. http://dx.doi.org/10.1109/acc.2011.5991542.

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Atitallah, Asma, Saida Bedoui, and Kamel Abderrahim. "Identification of Hammerstein nonlinear systems with delayed input." In 2015 12th International Multi-Conference on Systems, Signals & Devices (SSD). IEEE, 2015. http://dx.doi.org/10.1109/ssd.2015.7348191.

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Reports on the topic "Delayed-input"

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Elwood, Terril. Maternal linguistic input to normal and expressive language delayed toddlers. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.5748.

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Francini, Robert. PR-218-063510-R01 Literature Review on Mechanical Damage. Pipeline Research Council International, Inc. (PRCI), 2009. http://dx.doi.org/10.55274/r0010705.

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The development of an engineering model and acceptance criteria for the evaluation of dent and gouge damage will provide a significantly improved technical basis to evaluate the threat of delayed failure and develop general guidance for the industry to enable safe working pressures for operation before and during excavation and repair. When combined with the results from parallel PRCI projects, this effort will form the basis for delivering a new suite of engineering tools and guidance to the industry on how to evaluate the integrity of pipe containing mechanical damage. This study provides input on the fracture mechanics model for mechanical damage as developed by Andrew Francis and Associates.
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Abrigo, Michael, Jhanna Uy, Nel Jason Haw, Valerie Gilbert Ulep, and Kris Francisco-Abrigo. Projected Disease Transmission, Health System Requirements, and Macroeconomic Impacts of the Coronavirus Disease 2019 (COVID-19) in the Philippines. Philippine Institute for Development Studies, 2020. https://doi.org/10.62986/dp2020.15.

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The novel Coronavirus Disease 2019 (COVID-19) is a global pandemic that has infected at least 1.2 million people and caused more than 67,000 deaths worldwide. The Philippines has recorded 3,764 confirmed cases and 177 deaths as of April 7, 2020 and has implemented an enhanced Luzon-wide enhanced community quarantine (ECQ) from March 17 to April 30 in attempts to limit population movement and curb the spread of the epidemic. Based on the disease transmission model, it is projected that aggressive efforts in the post-ECQ period to isolate at least 70 percent of infectious cases through better contact tracing, social distancing, individual or household isolation, and reduced delays in time to seek care for symptomatic cases are necessary to suppress the outbreak. Otherwise, lifting the ECQ but maintaining current conditions of delayed time to seek care for symptomatic cases merely delays the progression of the outbreak but still results in around 8 percent of the population infected. For all scenarios that do not successfully isolate at least 70 percent of infectious individuals, demands for healthcare resources at the peak of the outbreak, i.e., by August 2020, far exceed available supply in the health sector. The COVID-19 epidemic is expected to affect not only the countrys health system but also the economy. Projections based on a Leontief input-output model suggest that the Philippine economy may lose between 276.3 billion (best case) and PHP 2.5 trillion (worse case) due to COVID-19. The transport, storage, and communication sector, among others, is expected to suffer substantial losses because of expected declines in tourism (PHP 11.7-124.3 billion). Extending the ECQ by one more month may potentially cost the Philippine economy at least PHP 150 billion due to possible declines in household consumption as workers remain unemployed for longer periods.
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Jones, Scott B., Shmuel P. Friedman, and Gregory Communar. Novel streaming potential and thermal sensor techniques for monitoring water and nutrient fluxes in the vadose zone. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7597910.bard.

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The “Novel streaming potential (SP) and thermal sensor techniques for monitoring water and nutrient fluxes in the vadose zone” project ended Oct. 30, 2015, after an extension to complete travel and intellectual exchange of ideas and sensors. A significant component of this project was the development and testing of the Penta-needle Heat Pulse Probe (PHPP) in addition to testing of the streaming potential concept, both aimed at soil water flux determination. The PHPP was successfully completed and shown to provide soil water flux estimates down to 1 cm day⁻¹ with altered heat input and timing as well as use of larger heater needles. The PHPP was developed by Scott B. Jones at Utah State University with a plan to share sensors with Shmulik P. Friedman, the ARO collaborator. Delays in completion of the PHPP resulted in limited testing at USU and a late delivery of sensors (Sept. 2015) to Dr. Friedman. Two key aspects of the subsurface water flux sensor development that delayed the availability of the PHPP sensors were the addition of integrated electrical conductivity measurements (available in February 2015) and resolution of bugs in the microcontroller firmware (problems resolved in April 2015). Furthermore, testing of the streaming potential method with a wide variety of non-polarizable electrodes at both institutions was not successful as a practical measurement tool for water flux due to numerous sources of interference and the M.S. student in Israel terminated his program prematurely for personal reasons. In spite of these challenges, the project funded several undergraduate students building sensors and several master’s students and postdocs participating in theory and sensor development and testing. Four peer-reviewed journal articles have been published or submitted to date and six oral/poster presentations were also delivered by various authors associated with this project. We intend to continue testing the "new generation" PHPP probes at both USU and at the ARO resulting in several additional publications coming from this follow-on research. Furthermore, Jones is presently awaiting word on an internal grant application for commercialization of the PHPP at USU.
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