Academic literature on the topic 'Nonlinear dynamic objects'

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Journal articles on the topic "Nonlinear dynamic objects"

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Krykun, Valentyn. "Improving the Accuracy of the Neural Network Models Interpretation of Nonlinear Dynamic Objects." Mathematical and computer modelling. Series: Technical sciences 24 (December 5, 2023): 45–55. http://dx.doi.org/10.32626/2308-5916.2023-24.45-55.

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The paper is devoted to the problem of neural network interpretation in the tasks of modeling nonlinear dynamic objects. The purpose of the work is to improve the accuracy of the neural network models interpretation of nonlinear dynamic objects and to determine the scope of their effective application. This goal is achieved by applying analytical models in the form of integral-power series based on multidimensional weight functions. The scientific novelty of the work lies in the use of nonlinear dynamic models in the form of integral-power series based on multidimensional weight functions inst
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Stakhiv, Petro, Bohdan Melnyk, Oksana Hoholyuk, and Stepan Trokhanyak. "Application of parallel computing technology for modelling complex dynamic objects." Computational Problems of Electrical Engineering 14, no. 1 (2024): 30–35. https://doi.org/10.23939/jcpee2024.01.030.

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The paper is devoted to the development of approaches to the application of parallel algorithms in modelling complex dynamic objects. An overview of the existing principles of computer modelling based on parallel computing procedures is given. It is proposed to describe complex dynamic objects in the form of macromodels. An algorithm for parallelising computations when constructing a nonlinear macromodel of a dynamic object with a separate linear part is described. An iterative algorithm for constructing a macromodel that describes heterogeneous dynamic characteristics of an object is formulat
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Siddikov, Isamiddin, and Komil Usmanov. "SYNERGETIC SYNTHESIS OF MULTIVARIATE NONLINEAR DYNAMIC OBJECTS." Chemical Technology, Control and Management 2023, no. 2 (2023): 57–63. http://dx.doi.org/10.59048/2181-1105.1428.

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Oleksandr, Blintsov, Burunina Zhanna, and Voitasyk Andrii. "IMPROVEMENT OF THE INVERSE DYNAMICS METHOD FOR HIGH-PRECISION CONTROL OF NONLINEAR OBJECTS UNDER CONDITIONS OF UNCERTAINTY." Eastern-European Journal of Enterprise Technologies 2, no. 2 (98) (2019): 55–62. https://doi.org/10.15587/1729-4061.2019.160345.

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Synthesis of automatic control systems (ACS) of nonlinear objects is a well-known scientific problem. The method of inverse dynamics makes it possible to synthesize high-precision ACSs of nonlinear objects. However, under conditions of uncertainty, control quality is significantly compromised and ACS does not fulfill the set task. The result of present research is the further elaborated method of inverse dynamics for the synthesis of high-precision ACS of nonlinear objects under conditions of uncertainty. We have synthesized a generalized structure of the inverse control law as a basis for con
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Zhu, Yuan, Hao An, Huaide Wang, Ruidong Xu, Zhipeng Sun, and Ke Lu. "DOT-SLAM: A Stereo Visual Simultaneous Localization and Mapping (SLAM) System with Dynamic Object Tracking Based on Graph Optimization." Sensors 24, no. 14 (2024): 4676. http://dx.doi.org/10.3390/s24144676.

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Most visual simultaneous localization and mapping (SLAM) systems are based on the assumption of a static environment in autonomous vehicles. However, when dynamic objects, particularly vehicles, occupy a large portion of the image, the localization accuracy of the system decreases significantly. To mitigate this challenge, this paper unveils DOT-SLAM, a novel stereo visual SLAM system that integrates dynamic object tracking through graph optimization. By integrating dynamic object pose estimation into the SLAM system, the system can effectively utilize both foreground and background points for
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Xakimovich, Siddikov Isamiddin, and Umurzakova Dilnoza Maxamadjonovna. "Fuzzy-logical Control Models of Nonlinear Dynamic Objects." Advances in Science, Technology and Engineering Systems Journal 5, no. 4 (2020): 419–23. http://dx.doi.org/10.25046/aj050449.

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Fomin, O. O., O. D. Ruban, and O. V. Rudkovskyi. "Method for Construction the Diagnostic Features Space of Switched Reluctance Motors Based on Integral Dynamic Models." Problemele energeticii regionale 4, no. 48 (2020): 35–44. https://doi.org/10.5281/zenodo.4316968.

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The work is devoted to the problem of construction the diagnostic models for the nonlinear dynamic objects. The aim of the work is to improve the reliability and fast operation in diagnosis of the states of electrical motors of under conditions of an a priori uncertainty. The a priori uncertainty results from an insufficient study of the processes, which occur in the objects of diagnosis due to the operation in a wide range of external conditions and the presence of a great amount of disturbing effects along with environmental interferences. This aim is achieved by the development of the techn
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Fomin, Oleksandr O., and Andrii A. Orlov. "Modeling nonlinear dynamic objects using pre-trained time delay neural networks." Applied Aspects of Information Technology 7, no. 1 (2024): 24–33. http://dx.doi.org/10.15276/aait.07.2024.2.

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The work is devoted to resolving the contradiction between the accuracy of modelling nonlinear dynamics and the speed of model construction under conditions of limited computing resources. The purposeof the work is to reduce the time for building time delay neural networks while ensuring a given accuracy in the tasks of identifying nonlinear dynamic objects with continuous characteristics. This goal is achieved by developing a method for pre-training neural networks that reflect the basic characteristics of the subject area. The scientific novelty of the work is the development of a method for
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Siddikov, I. "Synthesis of Robust Nonlinear Control Law Unsteady Dynamic Objects." Advanced Science Journal 2015, no. 3 (2015): 115–18. http://dx.doi.org/10.15550/asj.2015.03.115.

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Mandel, Nicolas, Nils Kompe, Moritz Gerwin, and Floris Ernst. "KISS—Keep It Static SLAMMOT—The Cost of Integrating Moving Object Tracking into an EKF-SLAM Algorithm." Sensors 24, no. 17 (2024): 5764. http://dx.doi.org/10.3390/s24175764.

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The treatment of moving objects in simultaneous localization and mapping (SLAM) is a key challenge in contemporary robotics. In this paper, we propose an extension of the EKF-SLAM algorithm that incorporates moving objects into the estimation process, which we term KISS. We have extended the robotic vision toolbox to analyze the influence of moving objects in simulations. Two linear and one nonlinear motion models are used to represent the moving objects. The observation model remains the same for all objects. The proposed model is evaluated against an implementation of the state-of-the-art fo
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Dissertations / Theses on the topic "Nonlinear dynamic objects"

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Pakel, Cavit. "Essays in panel data and financial econometrics." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:c970f380-9644-4439-a272-7427ef66ac44.

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This thesis is concerned with volatility estimation using financial panels and bias-reduction in non-linear dynamic panels in the presence of dependence. Traditional GARCH-type volatility models require large time-series for accurate estimation. This makes it impossible to analyse some interesting datasets which do not have a large enough history of observations. This study contributes to the literature by introducing the GARCH Panel model, which exploits both time-series and cross-section information, in order to make up for this lack of time-series variation. It is shown that this approach l
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Цюпа, А. В. "Разработка алгоритма оперативного контроля нелинейных динамических объектов". Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/9870.

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Yokoo, Masahiro. "Robust tracking control design for cooperative robot arms carrying a common object." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/17609.

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Little, M. A. "Biomechanically informed nonlinear speech signal processing." Thesis, University of Oxford, 2007. http://ora.ox.ac.uk/objects/uuid:6f5b84fb-ab0b-42e1-9ac2-5f6acc9c5b80.

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Linear digital signal processing based around linear, time-invariant systems theory finds substantial application in speech processing. The linear acoustic source-filter theory of speech production provides ready biomechanical justification for using linear techniques. Nonetheless, biomechanical studies surveyed in this thesis display significant nonlinearity and non-Gaussinity, casting doubt on the linear model of speech production. In order therefore to test the appropriateness of linear systems assumptions for speech production, surrogate data techniques can be used. This study uncovers sys
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Liebel, Matz. "Understanding molecular dynamics with coherent vibrational spectroscopy in the time-domain." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:e0289d80-f6e3-4e6f-817e-f8dd55d15bc4.

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This thesis describes the development of several spectroscopic methods based on impulsive vibrational spectroscopy as well as of the technique itself. The first chapter describes the ultrafast time domain Raman spectrometer including the development of two noncollinear optical parametric amplifiers for sub-10 fs pulse generation with 343 or 515 nm pumping. In the first spectroscopic study we demonstrate, for the first time, that impulsive vibrational spectroscopy can be used for recording transient Raman spectra of molecules in excited electronic states. We obtain spectra of beta-carotene with
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Pathak, Rakesh. "The Effects of Diaphragm Flexibility on the Seismic Performance of Light Frame Wood Structures." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/27947.

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This dissertation presents work targeted to study the effects of diaphragm flexibility on the seismic performance of light frame wood structures (LFWS). The finite element approach is considered for modeling LFWS as it is more detailed and provides a way to explicitly incorporate individual structural elements and corresponding material properties. It is also suitable for capturing the detailed response of LFWS components and the structure as a whole. The finite element modeling methodology developed herein is in general based on the work done by the other finite element researchers in this ar
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Bolla, Maira Rosine. "Dinamica não-linear de objetos no espaço, excitados pelo potencial de gravidade." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263225.

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Orientadores: Jose Manoel Balthazar, Helder Anibal Hermini<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-05T09:56:56Z (GMT). No. of bitstreams: 1 Bolla_MairaRosine_M.pdf: 1168474 bytes, checksum: 0fac8753156d18f561b1aeef6a8a6210 (MD5) Previous issue date: 2005<br>Resumo: Este trabalho consiste de duas partes, na primeira faremos o estudo da dinâmica de uma espaçonave de dupla rotação axial, modelada por um sistema mecânico simples, constituído de um rotor desbalanceado atachado num suporte elástico e gov
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Huang, Xingrong. "Optimization of dynamic behavior of assembled structures based on generalized modal synthesis." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEC038/document.

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Dans le processus de conception des véhicules, la vibration et le bruit sont des sujets d’étude très importants. En effet, les vibrations sont susceptibles d’affecter le comportement dynamique des structures et le bruit dégrade le confort acoustique des passagers. L’objectif principal de la thèse est de proposer un ensemble de méthodes pour l’optimisation du comportement dynamique des systèmes complexes afin de réduire les vibrations des structures et le bruit dans l’habitacle. À cet effet, on s’intéresse à des stratégies de contrôle des interfaces, comme le collage de couches viscoélastiques sur
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Vestin, Albin, and Gustav Strandberg. "Evaluation of Target Tracking Using Multiple Sensors and Non-Causal Algorithms." Thesis, Linköpings universitet, Reglerteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-160020.

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Today, the main research field for the automotive industry is to find solutions for active safety. In order to perceive the surrounding environment, tracking nearby traffic objects plays an important role. Validation of the tracking performance is often done in staged traffic scenarios, where additional sensors, mounted on the vehicles, are used to obtain their true positions and velocities. The difficulty of evaluating the tracking performance complicates its development. An alternative approach studied in this thesis, is to record sequences and use non-causal algorithms, such as smoothing, i
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Chou, Kuang Wu, and 周光武. "An Object-Oriented Framework for Nonlinear Dynamic Finite Element Analysis." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/56953096464050147914.

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博士<br>國立臺灣大學<br>土木工程學研究所<br>91<br>This work intends to develop a framework that the developer could use to solve new and complicate finite element problems without changing this framework. So we address the extensibility and reusability of this framework. For software development, the object-oriented method is the state of the art. This method, compared to the traditional software developing method, owns more mechanisms of creating reusable software modules. Thus this work applies this method to develop the framework of nonlinear dynamic nonlinear finite element analysis. The objec
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Books on the topic "Nonlinear dynamic objects"

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Ketoja, Jukka A. Strange dynamical objects of renormalisation. Åbo Academy Press, 1990.

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Zougas, Athanasios. Nonlinear dynamic finite element analysis of rate sensitive materials using object-oriented programming. 1994.

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Book chapters on the topic "Nonlinear dynamic objects"

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Bartczuk, Łukasz, Andrzej Przybył, and Petia Koprinkova-Hristova. "New Method for Nonlinear Fuzzy Correction Modelling of Dynamic Objects." In Artificial Intelligence and Soft Computing. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07173-2_16.

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Bartczuk, Łukasz. "Gene Expression Programming in Correction Modelling of Nonlinear Dynamic Objects." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28555-9_11.

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Volkov, A. V., A. D. Semenov, and B. A. Staroverov. "The Reiterated Neural Network Parametric Identification of Nonlinear Dynamic Models of Objects." In Lecture Notes in Electrical Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94202-1_4.

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Bartczuk, Łukasz, Piotr Dziwiński, and Piotr Goetzen. "Nonlinear Fuzzy Modelling of Dynamic Objects with Fuzzy Hybrid Particle Swarm Optimization and Genetic Algorithm." In Artificial Intelligence and Soft Computing. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-61401-0_30.

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Bartczuk, Łukasz, and Alexander I. Galushkin. "A New Method for Generating Nonlinear Correction Models of Dynamic Objects Based on Semantic Genetic Programming." In Artificial Intelligence and Soft Computing. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39384-1_22.

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Bartczuk, Łukasz, Piotr Dziwiński, and Vladimir G. Red’ko. "The Concept on Nonlinear Modelling of Dynamic Objects Based on State Transition Algorithm and Genetic Programming." In Artificial Intelligence and Soft Computing. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59060-8_20.

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Dziwiński, Piotr, and Eduard D. Avedyan. "A New Method of the Intelligent Modeling of the Nonlinear Dynamic Objects with Fuzzy Detection of the Operating Points." In Artificial Intelligence and Soft Computing. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39384-1_25.

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Kumar Mishra, Mohit, and Deepa Sonal. "Object Detection: A Comparative Study to Find Suitable Sensor in Smart Farming." In Nonlinear Dynamics and Applications. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99792-2_58.

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Podkolzin, G. B. "Infinitesimal Objects of Hypercomplex Systems Generated by Double Adjacent Classes and Nonlinear Differential Equations." In Nonlinear Evolution Equations and Dynamical Systems. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76172-0_28.

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Yusupbekov, N. R., D. P. Mukhitdinov, and O. U. Sattarov. "Neural Network Model for Adaptive Control of Nonlinear Dynamic Object." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68004-6_30.

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Conference papers on the topic "Nonlinear dynamic objects"

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Kamil R, Aidazade, and Samir Guliyev Z. "Synthesis of Zonal Control of Nonlinear Dynamic Objects Taking into Account their History and Current State." In 2024 8th International Conference on Information, Control, and Communication Technologies (ICCT). IEEE, 2024. https://doi.org/10.1109/icct62929.2024.10874884.

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Wright, Heather, Andrew Alleyne, and Rui Liu. "On the Stability and Performance of Two-Stage Hydraulic Servovalves." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1304.

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Abstract In this work, a System Dynamics viewpoint is used to examine the stability and performance of a class of hydraulic devices. These devices use hydraulic amplification to command motion of large objects using relatively low level signals. A model is constructed and used for both analysis and simulation of system performance. The analysis is from a linear Classical Controls perspective and is found to be sufficient despite the nonlinear nature of the systems. The analysis is used to consider design changes to the valve components and their resulting effects. Even though the subsystems co
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Taheri, Behzad, and Edmond Richer. "Equidistance Tracking Nonlinear Controller for Under Actuated Autonomous Underwater Vehicles." In ASME 2010 Dynamic Systems and Control Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/dscc2010-4113.

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A new method of path planning and tracking while maintaining a constant distance from underwater moving objects has been developed for autonomous underwater vehicles (AUVs). First a kinematics controller that generates the proper trajectories is designed. Then a dynamics sliding mode controller is employed to drive the vehicle on the desired trajectories. The dynamics controller is robust against the parameter uncertainty in the dynamics model of the vehicle. Results of numerical simulations for INFANTE-AUV model show excellent performance for tracking of an object on sinusoidal trajectory.
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Ye, Fei, Bahman Nasseroleslami, and Dagmar Sternad. "Predictability in human manipulation of nonlinear dynamic objects." In 2014 40th Annual Northeast Bioengineering Conference (NEBEC). IEEE, 2014. http://dx.doi.org/10.1109/nebec.2014.6972987.

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Makarychev, Petr. "Structural and Parametric Identification of Nonlinear Dynamic Objects." In 2020 Moscow Workshop on Electronic and Networking Technologies (MWENT). IEEE, 2020. http://dx.doi.org/10.1109/mwent47943.2020.9067500.

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Karagodin, V. V., V. A. Gorin, and S. V. Smirnov. "Performance-Optimized Control of Special Nonlinear Dynamic Objects: a Numerical Solution." In 2021 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM). IEEE, 2021. http://dx.doi.org/10.1109/icieam51226.2021.9446464.

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Fomin, Oleksandr, Sergii Polozhaenko, Valentyn Krykun, Andrii Orlov, and Andrii Prokofiev. "Use of Dynamic Neural Networks for Modeling Nonlinear Objects with Significant Nonlinearity." In 18th Conference on Computer Science and Intelligence Systems. PTI, 2023. http://dx.doi.org/10.15439/2023f3874.

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Rashid, U., H. D. Tuan, H. H. Kha, and H. H. Nguyen. "Semi-definite programming for distributed tracking of dynamic objects by nonlinear sensor network." In ICASSP 2011 - 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2011. http://dx.doi.org/10.1109/icassp.2011.5946240.

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Nguyen, Duy Khanh, Tat’Jana L. Rusyaeva, Viktor V. Putov, and Viktor N. Sheludko. "Synthesis of Invariant Immersion and Dynamic Surface Control Methods for Nonlinear Uncertain Objects." In 2024 XXVII International Conference on Soft Computing and Measurements (SCM). IEEE, 2024. http://dx.doi.org/10.1109/scm62608.2024.10554151.

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Chakmakjian, Stephen H., Mark T. Gruneisen, Mark A. Kramer, Victor C. Esch, and Karl Koch. "Time-Multiplexed One-Way Imaging for High Spatial Frequency Aberration Correction." In Nonlinear Optics. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/nlo.1992.mb5.

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One way image compensation has been applied to aberration correction in such scenarios as static aberrations located between objects and collection optics,1 and aberrations situated within the imaging optics themselves.2 Real-time one-way image compensation has also been applied to image transmission through dynamic turbulent boundary layers.3 In each of these cases a corrective grating is created such that an image bearing beam diffracted off of this grating is corrected by virtue of the phase subtraction process characteristic of the minus one diffracted order. A primary limitations in these
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