Academic literature on the topic 'Spatial control'
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Journal articles on the topic "Spatial control"
Weiner, Andrew M. "Spatial coherent control." Nature Photonics 7, no. 1 (December 27, 2012): 6–8. http://dx.doi.org/10.1038/nphoton.2012.334.
Full textJordan, J. Scott, and Günther Knoblich. "Spatial perception and control." Psychonomic Bulletin & Review 11, no. 1 (February 2004): 54–59. http://dx.doi.org/10.3758/bf03206460.
Full textSpiliotis, Elias T., and W. James Nelson. "Spatial control of exocytosis." Current Opinion in Cell Biology 15, no. 4 (August 2003): 430–37. http://dx.doi.org/10.1016/s0955-0674(03)00074-7.
Full textRojas, Juan David, and Rubén Darío Guevara Gonzalez. "Spatial MCUSUM Control Chart." Revista Colombiana de Estadística 43, no. 1 (January 1, 2020): 49–70. http://dx.doi.org/10.15446/rce.v43n1.78748.
Full textSapaty, P. S. "Symbiosis of Distributed Simulation and Control under Spatial Grasp Technology." Mathematical machines and systems 3 (2020): 23–48. http://dx.doi.org/10.34121/1028-9763-2020-3-23-48.
Full textBurke, S. E., and J. E. Hubbard. "Spatial Filtering Concepts in Distributed Parameter Control." Journal of Dynamic Systems, Measurement, and Control 112, no. 4 (December 1, 1990): 565–73. http://dx.doi.org/10.1115/1.2896181.
Full textMeyyappan, Sreenivasan, Abhijit Rajan, Jesse Bengson, George Mangun, and Mingzhou Ding. "Decoding visual spatial attention control." Journal of Vision 20, no. 11 (October 20, 2020): 156. http://dx.doi.org/10.1167/jov.20.11.156.
Full textZou, X., H. Y. Xu, K. Shi, and X. B. Fang. "Optimal Spatial Camera Orientation Control." Journal of Physics: Conference Series 1682 (November 2020): 012035. http://dx.doi.org/10.1088/1742-6596/1682/1/012035.
Full textCliff, A. D., and P. Haggett. "Spatial aspects of epidemic control." Progress in Human Geography 13, no. 3 (September 1989): 315–47. http://dx.doi.org/10.1177/030913258901300301.
Full textPreumont, A., A. François, P. De Man, and V. Piefort. "Spatial filters in structural control." Journal of Sound and Vibration 265, no. 1 (July 2003): 61–79. http://dx.doi.org/10.1016/s0022-460x(02)01440-2.
Full textDissertations / Theses on the topic "Spatial control"
Messin, Liam J. "Spatial control of microtubule shrinkage." Thesis, University of Warwick, 2017. http://wrap.warwick.ac.uk/94871/.
Full textLino, Christophe. "Virtual camera control using dynamic spatial partitions." Phd thesis, Université Rennes 1, 2013. http://tel.archives-ouvertes.fr/tel-00916835.
Full textNi, Jie. "Control of the spatial double inverted pendulum." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=104855.
Full textLa stabilisation d'un double pendule spatiale inversé actionné à la hanche peut-être considérée comme un problème de contrôle de la posture d'un robot humanoïde. Basé sur un modèle existant de ce système mécanique sous-actionné avec quatre degrés de liberté, l'ultime objectif est de concevoir un régulateur approprié pour obtenir une stabilisation globale autour de l'instable position d'équilibre debout. Cette thèse présente un certain nombre d'algorithmes de contrôle et les résultats de simulation qui permettent une stabilisation locale ou semi-globale pivoter-vers-le-haut. Pour l'effort de stabilisation locale dans le voisinage de la position d'équilibre en position verticale, à la fois un contrôleur lqr et trois types de linéarisation basée sur des algorithmes de contrôle de mode glissant sont présentés. La région de la convergence du contrôleur lqr est étudiée. La performance et la robustesse du système sont comparées pour tous les contrôleurs. Afin de réaliser la strateǵie semi-globale pivoter-vers-le-haut, deux types d'approches de commande non linéaire de mode glissant sont explorés pour le balancement du système dans un essai pour amener le système dans la région de convergence locale des contrôleurs linéaires. L'approche hybride est proposée pour passer du contrôleur pour pivoter-vers-le-haut à un contrôleur linéaire local sous certaines conditions dans le voisinage de l'équilibre en position verticale afin de compléter l'effort de stabilisation. Toutefois, malgré des ajustements des contrôleurs, il n'a pas été possible de parvenir à une stabilisation globale avec une telle approche. Une enquête plus profonde est nécessaire pour résoudre ce problème. La contribution principale de cette thèse est la réussite une d'extension d'algorithmes de commande de 2-dimensions de mode glissant qui existent pour le cas de 3-D pour le contrôle du double pendule inversé spatial. Les contrôleurs de mode glissant basés sur un modèle du système linéarisé servent comme alternatives au contrôleur lqr pour la stabilisation locale. Les contrôleurs de mode glissant non-linéaires sont capables, à partir d'une configuration loin de l'équilibre de mettre le système dans la proximité de l'équilibre debout vertical utilisant le principe semi-global pivoter-vers-le-haut.
Gauthier, Thomas P. 1980. "Spatial control of cavitation in therapeutic ultrasound." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/30171.
Full textIncludes bibliographical references (p. 60-65).
Inertial cavitation has been implicated as the primary mechanism for a host of emerging applications. In all these applications, the main concern is to induce cavitation in perfectly controlled locations in the field; this means specifically to be able to achieve cavitation threshold at the geometrical focus of the transducer without stimulating its near field. In this study, we make use of dual-frequency methods to preferentially lower the cavitation threshold at the focus relative to the rest of the field. One family of dual-frequency driving waveforms is evaluated in a bubble model incorporating rectified diffusion. Theoretical predictions based on Sokka's work (Sokka 2003a) are confirmed in vitro using Optison[TM], a commercially available contrast agent. The performance of the rest of acoustic field in suppressing cavitation when cavitation is induced at the focus is investigated theoretically and checked experimentally. This first part shows that dual-frequency phased arrays could be used to precisely control cavitation. Cavitation threshold is proved to be 1.2 times higher in the near field than at the focus. One of the main limitations of the aforementioned protocol is that it is tightly controlled. As an example, Optison[TM] has a mean bubble size of 2 - 4.5 [micro]m, which means that the initial bubble radii will fall in this range. Since cavitation threshold has been proved to depend on this parameter, using ultrasound contrast agents allows for more predictable results. Therefore, in the second half of this study, we propose a focused ultrasound protocol that induces and monitors gas bubbles at the focus and allows for ex vivo validation of the aforementioned theoretical results. The experiments involve fresh rabbit tissue and a statistical analysis is performed over data collected from back muscle.
(cont.) Moreover, the experimental apparatus is designed to be MRI-compatible to make future in vivo assessments feasible. This second half of the study demonstrates that the theoretical predictions made earlier can reliably be used to predict dual-frequency cavitation thresholds. It also suggests that clinical use of dual-frequency excitations might be a solution to the problem of spatial control of cavitation.
by Thomas P. Gauthier.
S.M.
Chen, Yiyang. "Iterative learning control for spatial path tracking." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/415865/.
Full textChen, Chih-Keng. "Nonholonomic control of coupled spatial multibody systems." Case Western Reserve University School of Graduate Studies / OhioLINK, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=case1057091907.
Full textFairbairn, Jonathan Paul. "Spatial and temporal dynamics of entomopathogenic nematodes." Thesis, University of Stirling, 2001. http://hdl.handle.net/1893/26685.
Full textLee, Yong Keat. "Active vibration control of a piezoelectric laminate plate using spatial control approach." Title page, abstract and table of contents only, 2005. http://hdl.handle.net/2440/37711.
Full textThesis (M.Eng.Sc.)--School of Mechanical Engineering, 2005.
Volpe, Giorgio. "Nanoscale spatial control of light in optical antennas." Doctoral thesis, Universitat Politècnica de Catalunya, 2012. http://hdl.handle.net/10803/96168.
Full textEl control dinámico y determinístico de la luz en una escala espacial por debajo de la longitud de onda es un requisito clave para ampliar los conceptos y las funcionalidades de la macro-óptica hasta la escala nanométrica. Un mayor nivel de control también tendrá implicaciones importantes en nuestra comprensión de los fenómenos ópticos en la nanoescala. Uno de los principales problemas en nano-óptica tiene como objetivo describir cómo y con qué precisión es posible controlar la distribución espacial de la luz de forma dinámica en la nanoescala. Desafortunadamente, un límite fundamental de la física – el límite de difracción de la luz – afecta nuestra capacidad de seleccionar ópticamente puntos separados por menos de media longitud de onda de la luz. El campo de la plasmónica ofrece una oportunidad única para cerrar la brecha entre el límite de difracción y la escala nanométrica. Nanoantenas metálicas pueden acoplarse eficientemente a luz propagante y focalizarla en volúmenes nanométricos, y viceversa. Además, estas nanoantenas prometen mejorar significativamente la eficiencia de procesos como le fotodetección, la emisión de luz, sensores, transferencia de calor, y espectroscopía a la escala nanométrica. Aprender a controlar de forma precisa la respuesta óptica de estas nanoantenas representa un enfoque muy prometedor para controlar la distribución espacial y temporal de la luz a la escala nanométrica. Tradicionalmente, se han desarrollado dos principales estrategias para el control de la respuesta óptica de nanoantenas plasmónicas: la primer estrategia (estrategia estática) tiene como objetivo la optimización del diseño geométrico de las nanoantenas acorde a su aplicación, mientras que la segunda estrategia (estrategia dinámica) tiene como objetivo la modulación reversible del campo cercano de una nanoestructura dada a través de la manipulación de la luz de excitación en el tiempo y el espacio. El trabajo presentado en esta Tesis extiende el estado del arte de estas dos estrategias, y desarrolla nuevas herramientas, tanto experimentales como teóricas, para ampliar el nivel de control que tenemos sobre la distribución espacial de la luz debajo del límite de difracción. Después de presentar una visión general de los principios básicos de nano-óptica y de la óptica de lo plasmones de superficie, el Capítulo 1 repasa los avances en el control de la respuesta óptica de nanoestructuras metálicas – sea por una estrategia estática o dinámica – en el momento en que se inició este trabajo de investigación. La modificación de la geometría y las dimensiones de las nanpartículas metálicas sigue siendo un ingrediente fundamental para controlar las resonancias plasmónicas y los campos de luz a la escala nanométrica. Como ejemplos novedosos de control estático, por lo tanto, los Capítulos 2 y 3 estudian nuevos diseños de estructuras plasmónicas con capacidades sin precedentes de modelar campos de luz a la escala nanométrica, en particular un diseño fractal y una nanoantena unidireccional tipo Yagi-Uda. Los Capítuols 4 y 5 describen una nueva herramienta teórica y experimental para el control dinámico y determinístico de la respuesta óptica de nanoantenas basada en la modulación espacial de la fase de la luz de excitación: el campo óptico cercano, que resulta de la interacción entre la luz y las nanoestructuras plasmónicas, es normalmente determinado por la geometría del sistema metálico y las propiedades de la luz incidente, como su longitud de onda y su polarización; sin embargo, el control exacto y dinámico del campo óptico cercano debajo de límite de difracción de la luz – independientemente de la geometría de la nanoestructura – es también un ingrediente importante para el desarrollo de futuros dispositivos nano-ópticos y para ampliar los conceptos y las funcionalidades de la óptica macroscópica a la escala nanométrica. Finalmente, la Conclusión resume los resultados de este trabajo y ofrece una visión general de algunos estudios paralelos a esta tesis. Algunas de las observaciones finales permiten echar un vistazo a las perspectivas y estrategias futuras para complementar el control estático y el control dinámico en una única herramienta, que podría avanzar enormemente nuestra capacidad de controlar la respuesta óptica de nanoantennas debajo del límite de difracción.
Bullock, Adrian. "SPACE : SPatial Access Control for collaborative virtual Environments." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285675.
Full textBooks on the topic "Spatial control"
Dunant, Halim, and Fleming Andrew J, eds. Spatial control of vibration: Theory and experiments. River Edge, N.J: World Scientific, 2003.
Find full textdel, Pobil Angel Pasqual, and Serna Miguel Angel, eds. Spatial representation and motion planning. Berlin: Springer-Verlag, 1995.
Find full textWenzhong, Shi, Goodchild Michael F, and Fisher Peter, eds. Spatial data quality. London: Taylor & Francis, 2002.
Find full textKung, Hsiao-Feng. Dynamics and control of a spatial truss actuator. Blacksburg, Va: Virginia Polytechnic Institute and State University, 1988.
Find full textHubbard, James E. Spatial Filtering for the Control of Smart Structures. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03804-4.
Full textDylla, Frank. An agent control perspective on qualitative spatial reasoning: Towards more intuitive spatial agent development. Heidelberg: Akademische Verlagsgesellschaft, 2008.
Find full textJackson, David P. Spatial control of transcription in flowers of Antirrhinum majus. Norwich: University ofEast Anglia, 1991.
Find full textTalhofer, Václav, Šárka Hošková-Mayerová, and Alois Hofmann. Quality of Spatial Data in Command and Control System. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-94562-0.
Full textRiver control in India: Spatial, governmental and subjective dimensions. Cham: Springer, 2014.
Find full textHubbard, James E. Spatial filtering for the control of smart structures: An Introduction. Heidelberg: Springer, 2010.
Find full textBook chapters on the topic "Spatial control"
Klauser, Francisco, and Sarah Widmer. "Surveillance and Control." In Understanding Spatial Media, 216–24. 1 Oliver’s Yard, 55 City Road London EC1Y 1SP: SAGE Publications Ltd, 2017. http://dx.doi.org/10.4135/9781526425850.n20.
Full textWeiss, Gabriel, Erik Weiss, Roland Weiss, Slavomír Labant, and Karol Bartoš. "The Compatibility of 3D Spatial Points." In Survey Control Points, 29–35. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-28457-6_5.
Full textZhen, Chen, Chen Rongguo, and Xie Jiong. "Fine-Grained Spatial Access Control in Spatial Database." In Advanced Technology in Teaching - Proceedings of the 2009 3rd International Conference on Teaching and Computational Science (WTCS 2009), 823–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25437-6_111.
Full textMilner, A. David, and Monika Harvey. "Visuomotor control of spatially directed action." In Imagery and Spatial Cognition, 297–322. Amsterdam: John Benjamins Publishing Company, 2006. http://dx.doi.org/10.1075/aicr.66.23mil.
Full textMunje, Ravindra, Balasaheb Patre, and Akhilanand Tiwari. "Comparison of Spatial Control Techniques." In Energy Systems in Electrical Engineering, 145–55. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3014-7_9.
Full textDai, Jing, and Chang-Tien Lu. "Concurrency Control for Spatial Access." In Encyclopedia of GIS, 1–2. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-23519-6_175-2.
Full textCaccavale, F., C. Natale, B. Siciliano, and L. Villani. "Experiments of spatial impedance control." In Experimental Robotics V, 91–104. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/bfb0112953.
Full textDai, Jing, and Chang-Tien Lu. "Concurrency Control for Spatial Access." In Encyclopedia of GIS, 285–86. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-17885-1_175.
Full textDai, Jing, and Chang-Tien Lu. "Concurrency Control for Spatial Access." In Encyclopedia of GIS, 124. Boston, MA: Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-35973-1_175.
Full textSapaty, Peter Simon. "Spatial Grasp Language, SGL." In Studies in Systems, Decision and Control, 43–78. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01830-6_3.
Full textConference papers on the topic "Spatial control"
Thomas, James A., and Yeshaiahu Fainman. "A Multistage Arrangement for Programmable Diffractive Optical Elements providing Simplified Array Control." In Spatial Light Modulators. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/slmo.1997.swc.4.
Full textCanoglu, Ergun, Elsa Garmire, I. Lahiri, D. D. Nolte, and M. R. Melloch. "Pre-illumination to Control The Active Trap Density in a Semi-Insulating MQW Device." In Spatial Light Modulators. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/slmo.1997.smc.4.
Full textFan, Yong-hua, Jun Yang, and Yu-zhuo Zhang. "Robust control of hypersonic aircraft." In Second International Conference on Spatial Information Technology, edited by Cheng Wang, Shan Zhong, and Jiaolong Wei. SPIE, 2007. http://dx.doi.org/10.1117/12.775194.
Full textJeang-Kuo Chen. "Concurrency control of spatial join on spatial database." In Fourth Annual ACIS International Conference on Computer and Information Science (ICIS'05). IEEE, 2005. http://dx.doi.org/10.1109/icis.2005.39.
Full textLu, Chunyan, and Jing Wang. "Data quality control in eco-environmental monitoring." In Second International Conference on Spatial Information Technology, edited by Cheng Wang, Shan Zhong, and Jiaolong Wei. SPIE, 2007. http://dx.doi.org/10.1117/12.780351.
Full textBraun, Sebastian, Oliver Thiergart, and Emanuel A. P. Habets. "Automatic spatial gain control for an informed spatial filter." In ICASSP 2014 - 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2014. http://dx.doi.org/10.1109/icassp.2014.6853713.
Full textWang, Peng, and Zhou Zhou. "Piecewise linear control allocation for flying wing UAV." In Second International Conference on Spatial Information Technology, edited by Cheng Wang, Shan Zhong, and Jiaolong Wei. SPIE, 2007. http://dx.doi.org/10.1117/12.773337.
Full textPan, Wei, Weihua Li, Gaozu Wang, and Jun Du. "Reverse analysis and trustworthy control for operating system security." In Second International Conference on Spatial Information Technology, edited by Cheng Wang, Shan Zhong, and Jiaolong Wei. SPIE, 2007. http://dx.doi.org/10.1117/12.775000.
Full textMa, Yufeng, Shenguang Gong, Xiulin Hu, and Yunyu Zhang. "A fuzzy call admission control scheme in wireless networks." In Second International Conference on Spatial Information Technology, edited by Cheng Wang, Shan Zhong, and Jiaolong Wei. SPIE, 2007. http://dx.doi.org/10.1117/12.775233.
Full textZhang, Jingjing, Gun A. Lee, Simon Hoermann, Wendy Zhang, and Thammathip Piumsomboon. "Virtual Triplets: Human-Agent Shared Control of Virtual Avatars." In SUI '22: Symposium on Spatial User Interaction. New York, NY, USA: ACM, 2022. http://dx.doi.org/10.1145/3565970.3568184.
Full textReports on the topic "Spatial control"
Cressie, Noel A. Spatial Statistics for Command and Control. Fort Belvoir, VA: Defense Technical Information Center, November 2005. http://dx.doi.org/10.21236/ada441157.
Full textCronin, Thomas W. Natural Models for Autonomous Control of Spatial Navigation, Sensing, and Guidance. Fort Belvoir, VA: Defense Technical Information Center, May 2013. http://dx.doi.org/10.21236/ada594988.
Full textMarshall, Justin, Thomas Cronin, and Nick Roberts. Natural Models for Autonomous Control of Spatial Navigation, Sensing, and Guidance, Part 1. Fort Belvoir, VA: Defense Technical Information Center, June 2011. http://dx.doi.org/10.21236/ada547656.
Full textMorales, Leonardo Fabio, and Eleonora Dávalos. Diffusion of crime control benefits: Forced eradication and coca crops in Colombia. Banco de la República Colombia, November 2022. http://dx.doi.org/10.32468/dtseru.314.
Full textSchilling, Jonathan. Final Technical Report - Consolidating Biomass Pretreatment with Saccharification by Resolving the Spatial Control Mechanisms of Fungi. Office of Scientific and Technical Information (OSTI), July 2017. http://dx.doi.org/10.2172/1368078.
Full textStevens, James A. Spatial Reuse through Dynamic Power and Routing Control in Common-Channel Random-Access Packet Radio Networks. Fort Belvoir, VA: Defense Technical Information Center, August 1988. http://dx.doi.org/10.21236/ada197898.
Full textHarms, Nathan, and Judy Shearer. Spatial and temporal variability of the Alligatorweed pathogen, Alternaria alternantherae, in Louisiana. Engineer Research and Development Center (U.S.), May 2022. http://dx.doi.org/10.21079/11681/44402.
Full textHeinz, Kevin, Itamar Glazer, Moshe Coll, Amanda Chau, and Andrew Chow. Use of multiple biological control agents for control of western flower thrips. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7613875.bard.
Full textLundgren, Jonathan, Moshe Coll, and James Harwood. Biological control of cereal aphids in wheat: Implications of alternative foods and intraguild predation. United States Department of Agriculture, October 2014. http://dx.doi.org/10.32747/2014.7699858.bard.
Full textHarms, Nathan, Judy Shearer, James Cronin, and John Gaskin. Geographic and genetic variation in susceptibility of Butomus umbellatus to foliar fungal pathogens. Engineer Research and Development Center (U.S.), August 2021. http://dx.doi.org/10.21079/11681/41662.
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