Bibliographies thématiques / Observation-Control

Littérature scientifique sur le sujet « Observation-Control »

Auteur : Grafiati
Publié le 4 mai 2024

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Articles de revues sur le sujet "Observation-Control"

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Hirano, Takaaki, Weixi Wang, Satoshi Yamane, Toru Nakajima, Kazumichi Hosoya et Hikaru Yamamoto. « Observation and Control of Keyhole in Robotic Plasma Welding ». QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY 35, no 2 (2017) : 173s—176s. http://dx.doi.org/10.2207/qjjws.35.173s.

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Sinopoli, Bruno, Luca Schenato, Massimo Franceschetti, Kameshwar Poolla et Shankar Sastry. « LQG CONTROL WITH MISSING OBSERVATION AND CONTROL PACKETS ». IFAC Proceedings Volumes 38, no 1 (2005) : 1–6. http://dx.doi.org/10.3182/20050703-6-cz-1902.00860.

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Wada, Atsushi, Akira Asakawa et Takatoshi Shindo. « Observation of Winter Lightning Using Remote Control Lightning Observation System ». IEEJ Transactions on Power and Energy 116, no 4 (1996) : 386–94. http://dx.doi.org/10.1541/ieejpes1990.116.4_386.

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Tiantian Miao, Tiantian Miao, Chin-Feng Lai Tiantian Miao, Jian Shen Chin-Feng Lai, Baojun Liu Jian Shen et Chen Wang Baojun Liu. « A Dynamic Access Control Scheme with Conditional Anonymity in Socio-Meteorological Observation ». 網際網路技術學刊 24, no 5 (septembre 2023) : 1017–25. http://dx.doi.org/10.53106/160792642023092405001.

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<p>Socio-meteorological observation is an essential part of meteorological information construction, where unofficial organizations and individuals (volunteers) are employed to collect meteorological data. Thanks to the participation of social forces, the density and richness of meteorological data are improved significantly, and hence more economical and social benefits are brought. However, problems such as privacy leakage and data islands hamper the sustainable development of socio-meteorological observation. To solve the problems, we propose a dynamic access control scheme with conditional anonymity in socio-meteorological observation. In the proposed scheme, conditional anonymity of volunteers is supported. On the one hand, the real identity of each valid volunteer is private; On the other hand, the real identity of the malicious volunteers will be revealed if they attempt to inject erroneous meteorological data into the system. In addition, a lazy update mechanism is designed, where the fluidity of the volunteers and attribute revocation of the data users are fully considered. Finally, we compare the proposed scheme with similar schemes theoretically and experimentally.</p> <p>&nbsp;</p>
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Setapa, Sharipah, et Tengku Puteri Suhilah. « An Access Control List for Role-Based System : An Observation and Recommendation ». International Journal of Information and Education Technology 4, no 6 (2014) : 468–72. http://dx.doi.org/10.7763/ijiet.2014.v4.452.

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Kurizki, Gershon, et Abraham G. Kofman. « Quantum Lamarckism : observation, control and decoherence ». Physica Scripta 93, no 12 (25 octobre 2018) : 124003. http://dx.doi.org/10.1088/1402-4896/aae518.

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Mazziotto, G., L. Stettner, J. Szpirglas et J. Zabczyk. « On Impulse Control with Partial Observation ». SIAM Journal on Control and Optimization 26, no 4 (juillet 1988) : 964–84. http://dx.doi.org/10.1137/0326052.

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Tornambe`, A. « Control Laws Based on Parameter Observation ». Journal of Dynamic Systems, Measurement, and Control 114, no 2 (1 juin 1992) : 186–95. http://dx.doi.org/10.1115/1.2896514.

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This paper deals with the use of asymptotic observers in the parameter estimation. Exact and approximate procedures are proposed taking into account the nonlinear behaviour of the dynamic systems considered. It is shown that a separation property holds for sufficiently fast observers and, therefore, that parameter estimates obtained by asymptotic observers are useful for the implementation of feedback control laws. The paper is completed with an application to flexible robot arms for the estimation of the elastic constant. Simulation tests are included.
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Lee, M. S., et J. T. Lim *. « Optimal supervisory control under partial observation ». International Journal of Systems Science 36, no 4 (15 mars 2005) : 235–42. http://dx.doi.org/10.1080/00207720500032697.

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Jasani, Bhupendra. « Arms control and conflict observation satellites ». Space Policy 1, no 4 (novembre 1985) : 363–68. http://dx.doi.org/10.1016/0265-9646(85)90003-7.

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Thèses sur le sujet "Observation-Control"

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Machinek, Robert R. F. « Control and observation of DNA nanodevices ». Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:89e131dd-5179-4ebd-924b-2939f16681d5.

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The uniquely predictable and controllable binding mechanism of DNA strands has been exploited to construct a vast range of synthetic nanodevices, capable of autonomous motion and computation. This thesis proposes novel ideas for the control and observation of such devices. The first of these proposals hinges on introducing mismatched base pairs into toehold-mediated strand displacement – a fundamental primitive in most dynamic DNA devices and reaction networks. Previous findings that such mismatches can impede strand displacement are extended insofar as it is shown that this impediment is highly dependent on mismatch position. This discovery is examined in detail, both experimentally and through simulations created with a coarse-grained model of DNA. It is shown that this effect allows for kinetic control of strand displacement decoupled from reaction thermodynamics. The second proposal improves upon a previously presented strand displacement scheme, in which two strands perform displacement cooperatively. This scheme is extended to be cascadable, so that the output of one such reaction serves as input to the next. This scheme is implemented in reaction networks capable of performing fundamental calculations on directed graphs. The third proposal is exclusively concerned with a novel observation methodology. This method is based on single-molecule fluorescence microscopy, and uses quantum dots, a fluorescent type of semiconductor nanocrystal, as a label. These quantum dots display a set of characteristics particularly promising for single-molecule studies on the time- and length scales most commonly encountered in DNA nanotechnology. This method is shown to allow for highly precise measurements on static DNA devices. Preliminary data for the observation of a complex dynamic device is also presented.
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SCODINA, STEFANO. « Observation and control of PDE with disturbances ». Doctoral thesis, Università degli Studi di Cagliari, 2012. http://hdl.handle.net/11584/266149.

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In this Thesis, the problem of controlling and Observing some classes of distributed parameter systems is addressed. The particularity of this work is to consider partial differential equations (PDE) under the effect of external unknown disturbances. We consider generalized forms of two popular parabolic and hyperbolic infinite dimensional dynamics, the heat and wave equations. Sliding-mode control is used to achieve the control goals, exploiting the robustness properties of this robust control technique against persistent disturbances and parameter uncertainties.
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PILLONI, ALESSANDRO. « Robust Observation and Control of Complex Networks ». Doctoral thesis, Università degli Studi di Cagliari, 2014. http://hdl.handle.net/11584/266472.

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The problem of understanding when individual actions of interacting agents display to a coordinated collective behavior has receiving a considerable attention in many research fields. Especially in control engineering, distributed applications in cooperative environments are achieving resounding success, due to the large number of relevant applications, such as formation control, attitude synchronization tasks and cooperative applications in large-scale systems. Although those problems have been extensively studied in Literature, themost of classic approaches use to consider the unrealistic scenario in which networks always consist of identical, linear, time-invariant entities. It’s clear that this assumption strongly approximates the effective behavior of a network. In fact agents can be subjected to parameter uncertainties, unmodeled dynamics or simply characterized by proper nonlinear dynamics. Therefore, motivated by those practical problems, the present Thesis proposes various approaches for dealing with the problem of observation and control in both the framework of multi-agents and complex interconnected systems. The main contributions of this Thesis consist on the development of several algorithms based on concepts of discontinuous slidingmode control. This techniques can be employed for solving in finite-time problems of robust state estimation and consensus-based synchronization in network of heterogenous nonlinear systems subjected to unknown but bounded disturbances and sudden topological changes. Both directed and undirected topologies have been taken into account. It is worth to mention also the extension of the consensus problem to networks of agents governed by a class parabolic partial differential equation, for which, for the first time, a boundary-based robust local interaction protocol has been presented.
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Hovd, Tove Helene. « Modeling, state observation and control of Compression System ». Thesis, Norwegian University of Science and Technology, Department of Engineering Cybernetics, 2007. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-8716.

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The need of simulation models for physical systems is essential in all phases of its lifetime. During construction better decisions can be made and difficulties discovered. When running observers one can use the model to estimate states. Knowledge of the system is also needed to develop good control strategies. A compression system without surge avoidance recycling exists, and its mathematical development and simulation model was studied and simulated. Kalman filters were developed in theory, four filters were designed and lastly implemented. A study of industrial solutions for surge avoidance was performed, with attention to practical building, measurements, mathematical modeling and control. The study resulted in three simulation models for recycling that were fitted to the compressor at hand. Lastly a surge avoidance system was implemented on the model most likely to be built. A good simulation model of the existing compressor is available, and using this three well working Kalman filters were implemented. A fourth filter yielded non-unique and sometimes unstable estimates, and emphasized the importance of retrieving enough information from the measurements to estimate the correct state. All recycle system models used the characteristics of the existing compressor. The solution most likely to be implemented and form basis for a simulation model recycled gas directly downstream of the compressor. The other two models retrieved the recycled gas from the plenum, however this will change the dynamics of the system. These were not considered practical solutions for the specific system. The surge avoidance scheme worked well for production close to the surge line and small set-point changes. It also worked well for large changes in speed, but will surge if the speed becomes too low. The controller scheme did not work well when a large change in plenum throttle occurred, the recycle valve was then too slow. Future work consists of building a recycle loop, develop simulation model and implement surge avoidance scheme for academic purposes.

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Nagy, Gergely. « Observation, control, and automation of an OPCPA system ». Thesis, Umeå universitet, Institutionen för fysik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-180702.

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Sanchez-Orta, Anand. « Modeling, observation and control of a flying machine ». Compiègne, 2007. http://www.theses.fr/2007COMP1677.

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Ce travail de thèse porte sur la conception et la mise en œuvre de lois de commande pour le vol autonome de drones miniatures. Il s'agit aussi de proposer des algorithmes de commande basés sur l'estimation d'état pour résoudre les problèmes de fiabilité dans la mesure des capteurs utilisés sur les plates-formes expérimentales. Une loi de commande basée sur l'estimation d'état pour le modèle de l'avion PVTOL (Planar Vertical Take Off and Landing) est établie dans le but d'améliorer les mesures de capteurs peu précis. Plusieurs lois de commande basées sur des fonctions de saturation ont été proposées pour la stabilisation d'un hélicoptère à quatre rotors miniature. Des plateformes en temps réel ont été conçues et construites pour appliquer et tester les lois de commande proposées. Finalement nous avons développé et implémenté un hélicoptère original à deux rotors basculants
This thesis is devoted to design and implement control laws which provide autonomous flight for Unmanned Aerial Vehic1es (UAVs). It also concerns to propose observer-based control laws in order to solve the localization problem. An observer-based control law for the PVTOL (Planar Vertical Take Off and Landing) aircraft model has been proposed in order to improve the sensor measurements. Several bounded control strategies based on saturation functions have been proposed in order to stabilize a quad-rotor mini rotorcraft. Experimental platforms have been designed and constructed to verify the proposed controllers. Finally, we have developed an original tiltrotor mini-aircraft
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BACCOLI, ANTONELLO. « Boundary control and observation of coupled parabolic PDEs ». Doctoral thesis, Università degli Studi di Cagliari, 2016. http://hdl.handle.net/11584/266880.

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Reaction-diffusion equations are parabolic Partial Differential Equations (PDEs) which often occur in practice, e.g., to model the concentration of one or more substances, distributed in space, under the in uence of different phenomena such as local chemical reactions, in which the substances are transformed into each other, and diffusion, which causes the substances to spread out over a surface in space. Certainly, reaction-diffusion PDEs are not confined to chemical applications but they also describe dynamical processes of non-chemical nature, with examples being found in thermodynamics, biology, geology, physics, ecology, etc. Problems such as parabolic Partial Differential Equations (PDEs) and many others require the user to have a considerable background in PDEs and functional analysis before one can study the control design methods for these systems, particularly boundary control design. Control and observation of coupled parabolic PDEs comes in roughly two settingsdepending on where the actuators and sensors are located \in domain" control, where the actuation penetrates inside the domain of the PDE system or is evenly distributed everywhere in the domain and \boundary" control, where the actuation and sensing are applied only through the boundary conditions. Boundary control is generally considered to be physically more realistic because actuation and sensing are nonintrusive but is also generally considered to be the harder problem, because the \input operator" and the "output operator" are unbounded operators. The method that this thesis develops for control of PDEs is the so-called backstepping control method. Backstepping is a particular approach to stabilization of dynamic systems and is particularly successful in the area of nonlinear control. The backstepping method achieves Lyapunov stabilization, which is often achieved by collectively shifting all the eigenvalues in a favorable direction in the complex plane, rather than by assigning individual eigenvalues. As the reader will soon learn, this task can be achieved in a rather elegant way, where the control gains are easy to compute symbolically, numerically, and in some cases even explicitly. In addition to presenting the methods for boundary control design, we present the dual methods for observer design using boundary sensing. Virtually every one of our control designs for full state stabilization has an observer counterpart. The observer gains are easy to compute symbolically or even explicitly in some cases. They are designed in such a way that the observer error system is exponentially stabilized. As in the case of finite-dimensional observer-based control, a separation principle holds in the sense that a closed-loop system remains stable after a full state stabilizing feedback is replaced by a feedback that employs the observer state instead of the plant state.
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Kalyon, Gabriel. « Supervisory control of infinite state systems under partial observation ». Doctoral thesis, Universite Libre de Bruxelles, 2010. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210032.

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A discrete event system is a system whose state space is given by a discrete set and whose state transition mechanism is event-driven i.e. its state evolution depends only on the occurrence of discrete events over the time. These systems are used in many fields of application (telecommunication networks, aeronautics, aerospace,). The validity of these systems is then an important issue and to ensure it we can use supervisory control methods. These methods consist in imposing a given specification on a system by means of a controller which runs in parallel with the original system and which restricts its behavior. In this thesis, we develop supervisory control methods where the system can have an infinite state space and the controller has a partial observation of the system (this implies that the controller must define its control policy from an imperfect knowledge of the system). Unfortunately, this problem is generally undecidable. To overcome this negative result, we use abstract interpretation techniques which ensure the termination of our algorithms by overapproximating, however, some computations. The aim of this thesis is to provide the most complete contribution it is possible to bring to this topic. Hence, we consider more and more realistic problems. More precisely, we start our work by considering a centralized framework (i.e. the system is controlled by a single controller) and by synthesizing memoryless controllers (i.e. controllers that define their control policy from the current observation received from the system). Next, to obtain better solutions, we consider the synthesis of controllers that record a part or the whole of the execution of the system and use this information to define the control policy. Unfortunately, these methods cannot be used to control an interesting class of systems: the distributed systems. We have then defined methods that allow to control distributed systems with synchronous communications (decentralized and modular methods) and with asynchronous communications (distributed method). Moreover, we have implemented some of our algorithms to experimentally evaluate the quality of the synthesized controllers. /

Un système à événements discrets est un système dont l'espace d'états est un ensemble discret et dont l'évolution de l'état courant dépend de l'occurrence d'événements discrets à travers le temps. Ces systèmes sont présents dans de nombreux domaines critiques tels les réseaux de communications, l'aéronautique, l'aérospatiale. La validité de ces systèmes est dès lors une question importante et une manière de l'assurer est d'utiliser des méthodes de contrôle supervisé. Ces méthodes associent au système un dispositif, appelé contrôleur, qui s'exécute en parrallèle et qui restreint le comportement du système de manière à empêcher qu'un comportement erroné ne se produise. Dans cette thèse, on s'intéresse au développement de méthodes de contrôle supervisé où le système peut avoir un espace d'états infini et où les contrôleurs ne sont pas toujours capables d'observer parfaitement le système; ce qui implique qu'ils doivent définir leur politique de contrôle à partir d'une connaissance imparfaite du système. Malheureusement, ce problème est généralement indécidable. Pour surmonter cette difficulté, nous utilisons alors des techniques d'interprétation abstraite qui assurent la terminaison de nos algorithmes au prix de certaines sur-approximations dans les calculs. Le but de notre thèse est de fournir la contribution la plus complète possible dans ce domaine et nous considèrons pour cela des problèmes de plus en plus réalistes. Plus précisement, nous avons commencé notre travail en définissant une méthode centralisée où le système est contrôlé par un seul contrôleur qui définit sa politique de contrôle à partir de la dernière information reçue du système. Ensuite, pour obtenir de meilleures solutions, nous avons défini des contrôleurs qui retiennent une partie ou la totalité de l'exécution du système et qui définissent leur politique de contrôle à partir de cette information. Malheureusement, ces méthodes ne peuvent pas être utilisées pour contrôler une classe intéressante de systèmes: les sytèmes distribués. Nous avons alors défini des méthodes permettant de contrôler des systèmes distribués dont les communications sont synchrones (méthodes décentralisées et modulaires) et asynchrones (méthodes distribuées). De plus, nous avons implémenté certains de nos algorithmes pour évaluer expérimentalement la qualité des contrôleurs qu'ils synthétisent.
Doctorat en Sciences
info:eu-repo/semantics/nonPublished

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Wirgau, Scott Arthur. « Remote Observation and Control of a Shake Table Experiment ». NCSU, 2003. http://www.lib.ncsu.edu/theses/available/etd-05142003-003926/.

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Laboratory experiences, i.e. visualization of material covered in class and hands-on use of equipment, are especially advantageous to engineering classes such as structural mechanics. Unfortunately it is sometimes difficult for on-campus students to be taken to a lab setting and impossible for those who are off campus due to work, disabilities, or other complexities and taking class through distance education. This project describes a shake table experiment that is being converted to a distance-learning environment. This will include remote access, control, and protection from misuse. An aspect of the project that differentiates it from simple remote viewing of a lecture or experiment is the need to control the experiment and to protect against the possibility of damage occurring to this particular setup if left unmonitored. This last point necessitates the inclusion of sufficient safety protocols. The environment must allow remote controlling of the system, multi-user viewing, data saving, and download capabilities. The technology selected for use in this project is the LabVIEW programming environment in conjunction with its real time counterpart, LabVIEW RT. By using this language, practical and intuitive control panels coupled with easy to follow data flow block diagrams are made possible. The LabVIEW code likewise handles the data acquisition. The information sent and received through the DAQ card is processed by LabVIEW RT code embedded in the real time processor. The information is then sent to a host computer for saving, visualization, and distribution to remote clients. This visualization includes an oscilloscope for displaying the accelerations from both the table and the structure residing on the table. Further visualization is given by way of a video camera. The code must be made safe from unauthorized usage in addition to allowing for the university network to remain protected. This research outlines in detail the setup required and programs needed to implement such a system and presents the information in a manner that can be helpful regardless of the programming language chosen.
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Dixit, Ravindra. « Sliding Mode Observation and Control for Semiactive Vehicle Suspensions ». NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20011116-144808.

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Dixit, Ravindra Krishna. Sliding Mode Observation and Control for Semiactive Vehicle Suspen-sions.(Under the direction of Dr. Greg Buckner).This thesis investigates the application of robust, nonlinear observation and control strategies,namely sliding mode observation and control (SMOC), to semiactive vehicle suspensions using amodel reference approach. The vehicle suspension models include realistic nonlinearities in thespring and magnetorheological (MR) damper elements, and the nonlinear reference models incorpo-rateskyhook damping. Since full state measurement is difficult to achieve in practice, a sliding modeobserver (SMO) that requires only suspension deflection as a measured input is developed. The per-formanceand robustness of sliding mode control (SMC), SMO, and SMOC is demonstrated throughcomprehensive computer simulations and compared to popular alternatives. The results of thesesimulations reveal the benefits of sliding mode observation and control for improved ride quality,and should be directly transferable to commercial semiactive vehicle suspension implementations.

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Livres sur le sujet "Observation-Control"

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Shtessel, Yuri, Christopher Edwards, Leonid Fridman et Arie Levant. Sliding Mode Control and Observation. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-0-8176-4893-0.

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Tucsnak, Marius, et George Weiss. Observation and Control for Operator Semigroups. Basel : Birkhäuser Basel, 2009. http://dx.doi.org/10.1007/978-3-7643-8994-9.

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George, Weiss, dir. Observation and control for operator semigroups. Basel : Birkhäuser, 2009.

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Malyshev, V. V. Optimization of observation and control processes. Washington, D.C : American Institute of Aeronautics and Astronautics, 1992.

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Singh, Satnesh, et S. Janardhanan. Discrete-Time Stochastic Sliding Mode Control Using Functional Observation. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-32800-9.

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H, Lecoq, et Pitrat M, dir. A colour atlas of cucurbit diseases : Observation, identification & control. London : Manson Pub., 1994.

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Blancard, Dominique. A colour atlas of tomato diseases : Observation, identification and control. London : Manson Publishing, 1995.

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Felix, Geyer R., et Zouwen J. van der, dir. Sociocybernetic paradoxes : Observation, control, and evolution of self-steering systems. London : Sage Publications, 1986.

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Kurihara, Takayuki. Observation and Control of Magnetic Order Dynamics by Terahertz Magnetic Nearfield. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-8793-8.

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Dáger, René, et Enrique Zuazua. Wave Progagation, Observation and Control in 1-d Flexible Multi-Structures. Berlin, Heidelberg : Springer-Verlag, 2006. http://dx.doi.org/10.1007/3-540-37726-3.

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Chapitres de livres sur le sujet "Observation-Control"

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Kumar, Ratnesh, et Vijay K. Garg. « Control under Complete Observation ». Dans Modeling and Control of Logical Discrete Event Systems, 62–86. Boston, MA : Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-2217-1_3.

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Kumar, Ratnesh, et Vijay K. Garg. « Control under Partial Observation ». Dans Modeling and Control of Logical Discrete Event Systems, 87–114. Boston, MA : Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-2217-1_4.

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Bardos, Claude. « Distributed Control and Observation ». Dans Control of Fluid Flow, 139–56. Berlin, Heidelberg : Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-36085-8_6.

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Mironchenko, Andrii. « Robust Nonlinear Control and Observation ». Dans Communications and Control Engineering, 193–237. Cham : Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-14674-9_5.

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Shtessel, Yuri, Christopher Edwards, Leonid Fridman et Arie Levant. « Introduction : Intuitive Theory of Sliding Mode Control ». Dans Sliding Mode Control and Observation, 1–42. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-0-8176-4893-0_1.

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Shtessel, Yuri, Christopher Edwards, Leonid Fridman et Arie Levant. « Conventional Sliding Modes ». Dans Sliding Mode Control and Observation, 43–104. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-0-8176-4893-0_2.

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Shtessel, Yuri, Christopher Edwards, Leonid Fridman et Arie Levant. « Conventional Sliding Mode Observers ». Dans Sliding Mode Control and Observation, 105–41. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-0-8176-4893-0_3.

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Shtessel, Yuri, Christopher Edwards, Leonid Fridman et Arie Levant. « Second-Order Sliding Mode Controllers and Differentiators ». Dans Sliding Mode Control and Observation, 143–82. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-0-8176-4893-0_4.

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Shtessel, Yuri, Christopher Edwards, Leonid Fridman et Arie Levant. « Analysis of Sliding Mode Controllers in the Frequency Domain ». Dans Sliding Mode Control and Observation, 183–211. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-0-8176-4893-0_5.

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Shtessel, Yuri, Christopher Edwards, Leonid Fridman et Arie Levant. « Higher-Order Sliding Mode Controllers and Differentiators ». Dans Sliding Mode Control and Observation, 213–49. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-0-8176-4893-0_6.

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Actes de conférences sur le sujet "Observation-Control"

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Kosugi, George, Toshiyuki Sasaki, Tsutomu Aoki, Jun A. Kawai, Norikazu Koura et Toyoaki Kusumoto. « Subaru observation control system ». Dans Optical Science, Engineering and Instrumentation '97, sous la direction de Hilton Lewis. SPIE, 1997. http://dx.doi.org/10.1117/12.278829.

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Wampler, Stephen. « SOLIS observation control system ». Dans Astronomical Telescopes and Instrumentation, sous la direction de Hilton Lewis. SPIE, 2000. http://dx.doi.org/10.1117/12.388390.

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Williams, Stewart J., Alan Bridger, Subhrojyoti R. Chaudhuri et Vatsal Trivedi. « The SKA observation control system ». Dans SPIE Astronomical Telescopes + Instrumentation, sous la direction de Gianluca Chiozzi et Juan C. Guzman. SPIE, 2016. http://dx.doi.org/10.1117/12.2231770.

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Brink, Janus, Anne Charles, Christian Hettlage, Tim-Oliver Husser, Anthony Koeslag et Encarni Romero-Colmenero. « The SALT observation control system ». Dans SPIE Astronomical Telescopes + Instrumentation. SPIE, 2008. http://dx.doi.org/10.1117/12.787632.

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Fayaz, Akram M. « Simultaneous fuzzy observation and control ». Dans 2001 European Control Conference (ECC). IEEE, 2001. http://dx.doi.org/10.23919/ecc.2001.7076236.

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Saeidi, Vahid, Ali A. Afzalian et Davood Gharavian. « Distributed supervisory control with partial observation ». Dans 2016 4th International Conference on Control, Instrumentation, and Automation (ICCIA). IEEE, 2016. http://dx.doi.org/10.1109/icciautom.2016.7483150.

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Tsopelakos, Aristomenis, Georgios Fellouris et Venugopal V. Veeravalli. « Sequential anomaly detection with observation control ». Dans 2019 IEEE International Symposium on Information Theory (ISIT). IEEE, 2019. http://dx.doi.org/10.1109/isit.2019.8849555.

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De Leon, J., A. Glumineau et C. Guerra. « Control and observation of induction motors ». Dans Proceedings of 2000 American Control Conference (ACC 2000). IEEE, 2000. http://dx.doi.org/10.1109/acc.2000.878968.

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Ibrir, S. « New differentiators for control and observation applications ». Dans Proceedings of American Control Conference. IEEE, 2001. http://dx.doi.org/10.1109/acc.2001.946133.

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Baskys, Algirdas, Vitoldas Gobis et Valerijus Zlosnikas. « Control system with the set point observation ». Dans 2008 13th International Power Electronics and Motion Control Conference (EPE/PEMC 2008). IEEE, 2008. http://dx.doi.org/10.1109/epepemc.2008.4635421.

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Rapports d'organisations sur le sujet "Observation-Control"

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Willman, Warren W. Optimal Control Law Phenomena in Certain Adaptive Second-Order Observation Systems. Fort Belvoir, VA : Defense Technical Information Center, août 1989. http://dx.doi.org/10.21236/ada224274.

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J.-K. Park, et al. Observation of EHO in NSTX and Theoretical Study of its Active Control Using HHFW Antenna. Office of Scientific and Technical Information (OSTI), janvier 2013. http://dx.doi.org/10.2172/1059935.

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Prasad, Kuldeep R., Heming Hu, Israel Lopez Coto, Subhomoy Ghosh et James R. Whetstone. Greenhouse Gas Emissions and Dispersion 4. Quality control process of in-situ INFLUX tower-based observation data. National Institute of Standards and Technology, septembre 2015. http://dx.doi.org/10.6028/nist.ir.8070.

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Oliver, Amanda, William Slack et Alan Katzenmeyer. Occurrence of Silver, Bighead, and Black Carp in waters managed by the US Army Corps of Engineers. Engineer Research and Development Center (U.S.), septembre 2022. http://dx.doi.org/10.21079/11681/45542.

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This technical report (TR) documents the distribution of Invasive Carp - Silver Carp (Hypophthalmichthys molitrix), Bighead Carp (Hypophthalmichthys nobilis), and Black Carp (Mylopharyngodon piceus) in US Army Corps of Engineers (USACE) managed waters. Invasive carp were introduced into the US nearly half a century ago. As they spread across the US, they compete with and consume native species and Silver Carp jumping behavior reduces recreational use. The USACE is responsible for management of waterbodies at more than 440 projects. Information on these projects including the presence of Invasive Carp is reported in the USACE Operations and Maintenance Business Information Link (OMBIL) database. To supplement the Invasive Carp information from OMBIL, 47 online ichthyology collection and observation databases were searched; 18 had information on Invasive Carp locations. Combining the collection, observation and OMBIL reporting information, 82 USACE projects in 19 districts in 6 of 8 divisions have Silver/Bighead Carp and 19 projects in 9 districts and 3 divisions have Black Carp. Understanding the distribution of Invasive Carp is important to enable managers to be proactive: planning control efforts, posting informational signs, instituting live bait restrictions, and thus reducing the chances of species introduction or limiting species impact.
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Prévost, C., R. Fernandes et F. Canisius. Ground control point acquisition for Acadia Forest, New Brunswick, during winter 2016, in support of Canada Centre for Mapping and Earth Observation snow depth from unmanned aerial vehicule activities. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2016. http://dx.doi.org/10.4095/299101.

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Pinchuk, O. P., O. M. Sokolyuk, O. Yu Burov, Evgeniy Lavrov, Svitlana Shevchenko et Valeriia Aksakovska. ICT for training and evaluation of the solar impact on aviation safety. CEUR Workshop Proceedings, 2020. http://dx.doi.org/10.33407/lib.naes.722580.

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The paper discusses information and communication technology use for studying reasons of aviation accidents because of the aviation operator errors as result of internal and external influence. The model and technique are proposed and include integrated ICT united previously developed (initial professional selection and day-to-day pre-shift check), open access cloud-based (NASA and ICAO) and real-time operative (air traffic controllers and pilots control) ICTs, which data are stored in one database. Proposed ICT has been checked to study effect of the solar wind parameters (speed and density) on appearance of aviation incidents and accidents during one year observation. Results of that study were compared with corresponding results of another period of solar activity, as well as with data obtained in laboratory conditions to study cognitive tests performance under effect of the solar wind.
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Berndt, Christian. RV SONNE Fahrtbericht / Cruise Report SO277 OMAX : Offshore Malta Aquifer Exploration, Emden (Germany) – Emden (Germany), 14.08. – 03.10.2020. GEOMAR Helmholtz Centre for Ocean Research Kiel, janvier 2021. http://dx.doi.org/10.3289/geomar_rep_ns_57_20.

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SO277 OMAX served two scientific projects. The objectives of the first project, SMART, were to develop multi-disciplinary methodologies to detect, quantify, and model offshore groundwater reservoirs in regions dominated by carbonate geology such as the Mediterranean Sea. To this end we acquired controlled-source electromagnetic, seismic, hydroacoustic, geochemical, seafloor imagery data off Malta. Preliminary evaluation of the geophysical data show that there are resisitivity anomalies that may represent offshore freshwater aquifers. The absence of evidence for offshore springs means that these aquifers would be confined and that it will be difficult to use them in a sustainable manner. The objective of the second project, MAPACT-ETNA, is to monitor the flank of Etna volcano on Sicily which is slowly deforming seaward. Here, we deployed six seafloor geodesy stations and six ocean bottom seismometers for long-term observation (1-3 years). In addition, we mapped the seafloor off Mt. Etna and off the island of Stromboli to constrain the geological processes that control volcanic flank stability.
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Савченко, Лариса Олексіївна. Characteristic of the future specialists professional preparation to the quality educational assessment. Педагогічна думка, 2015. http://dx.doi.org/10.31812/0564/365.

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To consider the characteristics of the levels of formation of professional readiness of future specialists to pedagogical diagnostics of quality of education. Diagnostics of levels of formation of professional training of future teachers is realized through a number of research methods: observation, testing, interview, analysis of the results. The basis of the diagnostic systems research on three-level assessment scale, supplemented by «high level», which allows to adapt to local conditions and to enrich the features of a particular region. Analysis of modern works on the organization of control of educational achievements of students; the log books of progress and attendance of students in classes, conversations with teachers and our own observations have proved that in educational practice there are different models of the organization of control of educational achievements of students in pedagogical disciplines and professional subject training, validation should be carried out using various schemes and scales of evaluation present different approaches to the calculation of rating of students (in some cases even within the same University) and others. The analysis proved that the existing complex control tasks and tasks for independent work is only seventy percent of jobs differentiated by professional orientation, the rest of the job for the overall development of pedagogical competence of students. In our opinion, well developed task, that is, those that consist mainly of problems of professional and pedagogical orientation that enhance future teachers ‘ motivation to learn pedagogical disciplines. The quality of education becomes the main reference point that determines the credibility and competitiveness of educational institutions on regional, national level and international arena.
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Liang, BiYan, BiYan Liang et Jian Wang. A Meta Analysis of the Efficacy of Tonic Method in Traditional Chinese Medicine for AIDS Immunological Nonresponses. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, avril 2022. http://dx.doi.org/10.37766/inplasy2022.4.0077.

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Review question / Objective: To evaluate the efficacy of tonic method in treating AIDS immunological nonresponses. Eligibility criteria: ①Study type: RCT based on tonic method in TCM for AIDS INRs. The language was limited to Chinese and English. ②The research object: HIV/AIDS patients with any disease stage; the intervention objects were adults with no gender restrictions. ③Intervention measures: The treatment group was treated with tonic prescriptions combined with ART, including four types of prescriptions for nourishing qi, nourishing blood, nourishing yin, or nourishing yang; the dosage, frequency, and method were not limited. The control group was treated with ART or mock agent and placebo. ④Outcome indicators: The observation indicators reported in the included studies should include at least one of the following indicators: 1) Effective rate of immune function reconstruction: formulated in accordance with "AIDS (Adult) Chinese Medicine Diagnosis and Treatment Program" (2016 Edition) , effective: CD4 + T lymphocyte counts increased by ≥ 50 cells/l or ≥ 30%, invalid: CD4+ T lymphocyte counts decreased by ≥ 50 cells/l or ≥ 30%; total effective rate = effective number/total number; 2) CD4+T lymphocyte counts level.
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Alter, Ross, Sandra LeGrand, Freddie Spates, William Ledbetter, Sherman Minnigan, John Thompson, Kindra Carter et Phillip Elliott. Meteorological influences of a major dust storm in Southwest Asia during July–August 2018. Engineer Research and Development Center (U.S.), novembre 2022. http://dx.doi.org/10.21079/11681/45960.

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Dust storms can be hazardous for aviation, military activities, and respiratory health and can occur on a wide variety of spatiotemporal scales with little to no warning. To properly forecast these storms, a comprehensive understanding of the meteorological dynamics that control their evolution is a prerequisite. To that end, we chose a major dust storm that occurred in Southwest Asia during July–August 2018 and conducted an observation-based analysis of the meteorological conditions that influenced the storm’s evolution. We found that the main impetus behind the dust storm was a large-scale meteorological system (i.e., a cyclone) that affected Southwest Asia. It seems that cascading effects from this system produced a smaller, near-surface warm anomaly in Mesopotamia that may have triggered the dust storm, guided its trajectory over the Arabian Peninsula, and potentially catalyzed the development of a small low-pressure system over the southeastern end of the peninsula. This low-pressure system may have contributed to some convective activity over the same region. This type of analysis may provide important information about large-scale meteorological forcings for not only this particular dust storm but also for future dust storms in Southwest Asia and other regions of the world.
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