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Academic literature on the topic 'Static switch'

Author: Grafiati

Published: 4 May 2024

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Journal articles on the topic "Static switch"

1

Cooper, Ronald C., and Evan C. Cooper. "400Hz High Speed Static Transfer Switch." SAE International Journal of Aerospace 1, no. 1 (November 11, 2008): 946–65. http://dx.doi.org/10.4271/2008-01-2877.

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Kleban, Janusz, and Jaroslaw Warczyński. "SMM Clos-Network Switches under SD Algorithm." Journal of Telecommunications and Information Technology 1 (March 28, 2018): 24–31. http://dx.doi.org/10.26636/jtit.2018.123017.

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This paper is devoted to evaluating the performance of Space-Memory-Memory (SMM) Clos-network switches under a packet dispatching scheme employing static connection patterns, referred to as Static Dispatching (SD). The control algorithm with static connection patterns can be easily implemented in the SMM fabric due to bufferless switches in the first stage. Stability is one of the very important performance factors of packet switching nodes. In general, a switch is stable for a particular arrival process if the expected length of the packet queues does not increase without limitation. To prove the stability of the SMM Clos-network switches considered under the SD packet dispatching scheme the discrete Markov chain model of the switch is used and Foster’s criteria to extend Lyapunov’s second (direct) method of stability investigation of discrete time stochastic systems are used. The results of simulation experiments, in terms of average cell delay and packet queue lengths, are shown as well.

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Dequesnes, Marc, Zhi Tang, and N. R. Aluru. "Static and Dynamic Analysis of Carbon Nanotube-Based Switches." Journal of Engineering Materials and Technology 126, no. 3 (June 29, 2004): 230–37. http://dx.doi.org/10.1115/1.1751180.

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In this paper, we report on molecular dynamics (MD), continuum (based on linear and nonlinear beam theories) and combined molecular dynamics/continuum simulation of carbon nanotube based nanoelectromechanical switches. As a prototype device, we study the pull-in voltage characteristics of a nanoelectromechanical switch made of a suspended single wall nanotube over a ground plane. The various simulations (MD, continuum and combined MD/continuum) have been performed accounting for the electrostatic and van der Waals forces between the nanotube and the ground plane. The results from the nonlinear continuum theory compared well with the results from MD, except, for cases, where nanotube buckling was observed. When buckling occurs, the electromechanical behavior of the switch is simulated by employing a combined MD/continuum approach. The combined MD/continuum approach is computationally more efficient compared to the MD simulation of the entire device. Static and dynamic pull-in, pull-in time and fundamental frequency analysis is presented for fixed-fixed and cantilever carbon nanotube switches.

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Qin, Juan Ying, Cui Fang Liu, and Chang Qing Bi. "The Switch Control of Double-Power Supply System Based on Intelligent Static Switch." Advanced Materials Research 591-593 (November 2012): 1612–16. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.1612.

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This article introduces the principle of achieving high precision switch control on double-power supply system of electric fence power & inverting power by intelligent static switch with DSP-TMS320LF2407A as the main control chip and its hardware & software characteristics. The most central part of intelligent static switch is to embed an intelligent soft management system and set up a platform to manage other software, which achieve fast data processing and complex Boolean calculation of system. The intelligent static switch can monitor the magnitude, phase and frequency of electric fence power & inverting power in real time according to present parameter, revise the frequency & phase of standby power in-phase signal which is in a warm-waiting state, make sure they are highly precise in double-power supply system, and achieve “seamless” switch.

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Tsung, Tsing Tshih, and Hoai Nguyen. "Measurement of Static Performance of Inductive Proximity Switch for a Mobile Robot." Applied Mechanics and Materials 404 (September 2013): 502–7. http://dx.doi.org/10.4028/www.scientific.net/amm.404.502.

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For a control system, the static performance of a sensor is always a milestone of dynamic performance of the system. The static performance of a proximity switch plays an important role due to it affects the dynamic properties quality of a mobile robot and the results of dynamic identification. A proximity switch is a common sensor to search a metal guideline for a mobile robot. If the signal of a proximity switch is unstable or noise, it is more disturbance for a mobile robot control. Hence, a static performance evaluation of a proximity switch is basic technology for a mobile robot and will be proposed in this paper. When a proximity switch is used to search a signal of a metal tape as guideline for a mobile robot, there are giant effect so different metals such as diamagnetism, paramagnetism and ferromagnetism in materials. In this paper, the hand-made measurement system is successful development, and 6 types of metals are measured. Through measurement, the static performance of a proximity switch can be fast evaluated and analyzed, respectively. The experiment result shows that the signals of diamagnetism, paramagnetism and ferromagnetism metal tape in materials are giant differences. By using the developed measurement system of this study, the effects of different metals can be fast determined respectively. And base on this static performance, the dynamic performance of a proximity switch can be fast and precisely evaluated. Determining how to rapidly and efficiently control a mobile robot therefore becomes the key point in using the measurement technique of static performance.

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Ma, Jian Ming Bryan, Samuel F. Asokanthan, and Li Ying Jiang. "Surface Effects Considerations for the Design of Casimir Actuated Nanoswitches." Applied Mechanics and Materials 110-116 (October 2011): 1036–43. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.1036.

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New techniques that can control Casimir forces in nanosacle structures may soon ensure the physical realization of switchable Casimir-force devices. In order to provide useful insights into the behaviour of this class of switches, the idea of Casimir-force actuation window has been proposed here to assist in the design of such switches. The influence of surface effects including residual surface stress and surface elasticity on the pull-in parameters of Casimir actuated switches has been demonstrated. These effects, together with other currently known difficulties due to uncertainties such as surface roughness and trapped electric charge may hinder the realization of this class of devices. An Euler-Bernoulli beam model has been employed to demonstrate surface effects in a nanocantilever switch, and numerical solutions employing a finite difference approach have been obtained for the static bending of this switch. The results demonstrate that surface effects play a significant role in the selection of basic design parameters of Casimir actuated switches, such as static deflection and detachment length. Threshold value of residual surface stress is also studied for these switches. The predictions reveal that exclusion of surface effects in Casimir-force actuation window may result in non-functional switch designs.

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Kishore, G. Indira, and Ramesh Kumar Tripathi. "High Gain Single Switch DC-DC Converter Based on Switched Capacitor Cells." Journal of Circuits, Systems and Computers 29, no. 12 (February 26, 2020): 2050188. http://dx.doi.org/10.1142/s0218126620501881.

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With photovoltaic or fuel cell as a source, the high voltage required at DC bus as input for inverter can be obtained by high gain DC-DC converters. This can be achieved by implementing switched capacitor (SC) cells. Switched capacitors have the ability to produce high static gain and at the same time, they limit the voltage stress across the components. This paper proposes a high static gain, single switch DC converter based on the SC cells to develop high gain. These cells not only boost the voltage gain but also reduce the voltage stress at the active components. This converter also features a single active switch, low input ripple current through the inductor, absence of snubber circuit as the proposed converter does not assist the voltage spike across the active switch. The proposed converter allows high switching frequency and therefore results in a smaller size. The voltage gain can be increased further by adding the switched cells. In this paper, the operation in CCM, DCM, and design of components for the proposed converter is discussed. The MATLAB/SIMLINK and hardware-based studies for the proposed converters have been discussed to validate the specified features.

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Jovanović, Blagota, Mladen Milošević, and Žarko Janda. "Enhanced single phase static transfer switch control." Zbornik radova Elektrotehnicki institut Nikola Tesla 29, no. 29 (2019): 113–24. http://dx.doi.org/10.5937/zeint29-24565.

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Ramesh, Sundar, Vijayakumar Govindaraj, Raja Raman, Shanmugasundaram Venkatarajan, and Kamatchi Kannan Vijayarangan. "Reduced switch cascaded asymmetrical 27 level inverter-STATCOMwith fuzzy logic controller." Indonesian Journal of Electrical Engineering and Computer Science 32, no. 3 (December 1, 2023): 1288. http://dx.doi.org/10.11591/ijeecs.v32.i3.pp1288-1297.

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<p>In this study, a 27-levelinverter with a reduced switch asymmetrical cascaded H-bridge (CHB) with fuzzy logic controller (FLC) is proposed. With series connections, a low voltage converter, a middle level voltage converter, and a high voltage converter make up the static synchronous compensator (STATCOM). The configuration of the asymmetrical inverter uses trinary DCsources. To acquire switching signals for the trinary inverter-based STATCOM to compensate for real power, load voltage, reactive power, load current, and power factor under load changing conditions, FLC is constructed. With fewer switches, the suggested arrangement produces greater voltage levels. The performance of the reduced switch asymmetrical cascaded H-bridge inverter-STATCOM with FLCis simulated using the MATLAB Simulink platform under both static and dynamic load conditions. When compared to reduced switch asymmetrical cascaded H-bridge inverter-STATCOM with traditional proportional integral (PI) controller, the FLC result demonstrates efficient unbalanced load compensation. The FLC in the proposed inverter also lowers the total harmonic distortion.</p>

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Canales, Jose, Iosu Aizpuru, Unai Iraola, Jon Barrena, and Manex Barrenetxea. "Medium-Voltage AC Static Switch Solution to Feed Neutral Section in a High-Speed Railway System." Energies 11, no. 10 (October 12, 2018): 2740. http://dx.doi.org/10.3390/en11102740.

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A high-speed train (HST) is a single-phase load supplied by a three-phase AC grid. The HST produces unbalanced three-line currents affecting the power quality of the grid. To balance the asymmetries on average, railway feeding sections are supplied that rotate the three phases of the grid. An electric isolation segment, called the neutral section (NS), between different sections is necessary. The HST must pass through this 1.6 km NS without power supply. In this paper, a medium-voltage AC static switch solution to feed the high-speed train in the NS is proposed. Thyristor technology is selected to design the 25 KVAC static switch. A medium-voltage power electronics procedure design is proposed to ensure proper operation in the final application. An NS operation is analyzed to identify impacts within the electric system and solution requirements are developed. Then, a low-scale prototype is used to experimentally validate the solution based on thyristor technology and the medium-voltage AC static switch is designed. Limitations on power and voltage at the Mondragon University Medium-Voltage Laboratory do not allow testing of the AC static switch at nominal conditions. A partial test procedure to test sections of the AC static switch is proposed and applied to validate the solution. Finally, experimental results for the Cordoba–Malaga (Spain) high-speed railway in real conditions with an HST crossing the NS at 300 km/h are shown.

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Dissertations / Theses on the topic "Static switch"

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Mokhtari, Hossein. "High speed silicon controlled rectifier static transfer switch." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0002/NQ41246.pdf.

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Pavlyuk, Yuri. "Application of static transfer switch for induction motor load transfer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0022/MQ51612.pdf.

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Aissani, Sarra. "Résonance quadrupolaire de l'azote-14 : amélioration de la qualité spectrale et effet d'un champ magnétique statique de faible amplitude." Thesis, Université de Lorraine, 2014. http://www.theses.fr/2014LORR0069/document.

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La Résonance Quadrupolaire Nucléaire (RQN) est une technique spectroscopique appliquée à l’état solide et qui ne nécessite aucun champ magnétique statique contrairement à la Résonance Magnétique Nucléaire (RMN). Elle permet de détecter, les molécules qui contiennent un noyau quadrupolaire (tel que l'azote-14). La RQN de l’azote-14 suscite un intérêt particulier car elle s'avère utile dans la détection de drogues et d’explosifs, qui contiennent, pour la plupart, des molécules azotées. Cette thèse porte en premier lieu sur l’amélioration de la qualité spectrale en résonance quadrupolaire (RQN) de l’azote-14. Ainsi, nous nous sommes préoccupés des signaux transitoires (ringing) qui suivent l’impulsion radiofréquence (rf) et qui masquent en partie le signal RQN. Nous avons d’abord montré, par une étude théorique et expérimentale, que les mesures à basse puissance (< 3Watts) étaient possibles, ce qui nous a permis de diminuer l’amplitude du ringing. De plus, grâce à ce mode de fonctionnement (basse puissance), nous avons pu proposer un circuit original de commutation du facteur de qualité (Q-switch) basé sur un commutateur rf CMOS et qui a permis de diminuer la durée du ringing. La seconde partie traite de l’influence d’un champ magnétique statique faible amplitude et des divers paramètres expérimentaux en RQN de l’azote-14. Dans le cas où le tenseur de gradient de champ électrique est de symétrie axiale, nous avons observé des élargissements, voire des doublets Zeeman. En revanche, dans le cas général (absence de symetrie), nous avons mis en évidence la possibilité définir le tenseur de gradient de champ électrique à partir de la forme de raie d’une seule transition au lieu de deux transitions (sans champ magnétique statique). Ce dernier résultat pourrait permettre de diminuer de moitié le temps nécessaire à la caractérisation d’une nouvelle molécule azotée
Nuclear quadrupole resonance (NQR) is a solid-state spectroscopic technique which doesn't require a static magnetic field in contrast to Nuclear Magnetic Resonance (NMR). It is used to detect molecules containing quadrupole nuclei (such as nitrogen-14). Nitrogen-14 quadrupole resonance is of particular interest because it is useful in the detection of drugs and explosives, which contain mostly of nitrogen molecules. In this thesis we have primarily focused on improving the spectral quality in nitrogen-14 quadrupole resonance (NQR) . Thus, we were concerned with the transient signals ( ringing ) following the radiofrequency (rf) pulse and which partly overwhelm the NQR signal. First, we demonstrated by theoretical and experimental study that low power measurements (< 3Watts ) were possible, allowing us to reduce the ringing amplitude. In addition, through this mode ( low power ), we have proposed an original quality factor switching circuit (Q -switch ) based on rf CMOS switch and which has reduced the ringing duration. The second part deals with the effect of a weak static magnetic field and various experimental parameters in nitrogen-14 quadrupole resonance. In the case of an axially symmetric electric field gradient tensor, we observed broadening or Zeeman doublets. By contrast, in the general case (no symmetry), we demonstrated the possibility to define the electric field gradient tensor from the line shape of a single transition instead of two transitions ( without static magnetic field ). This result reduces by half the time required for the characterization of a new nitrogen molecule

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Pun, Kong Hong. "Static round-robin scheduling algorithms for scalable switches /." View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?COMP%202002%20PUN.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2002.
Includes bibliographical references (leaves 47-48). Also available in electronic version. Access restricted to campus users.

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Carniato, Leonardo Ataide. "Robust H∞ switched static output feedback control design for linear switched systems subject to actuator saturation /." Ilha Solteira, 2019. http://hdl.handle.net/11449/183007.

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Orientador: Marcelo Carvalho Minhoto Teixeira
Resumo: Este trabalho dedica-se ao estudo do problema de controle robusto envolvendo custo H∞ para sistemas lineares chaveados no tempo contínuo, sujeitos à saturação no atuador e com incertezas politópicas, considerando leis de chaveamento e controladores chaveados dependentes da saída da planta. Os métodos propostos oferecem novas condições baseadas em Desigualdades Matriciais Lineares (LMIs - do inglês, Linear Matrix Inequalities) para o projeto de controladores chaveados utilizando funções de Lyapunov dependentes de parâmetros. O método é baseado em um resultado recentemente introduzido na literatura para o projeto de controle H∞ de saída o qual evita igualdades matriciais lineares (LMEs - do inglês, Linear Matrix Equalities) e a necessidade de impor restrições nas matrizes de saída do sistema, isto é, as matrizes de saída do sistema podem ser de posto linha incompleto. Com o objetivo de estender estes resultados, a restrição de saturação no atuador é estudada. Análises teóricas e resultados de simulações mostram que os novos procedimentos são menos conservativos quando comparados a métodos publicados recentemente na literatura. No método proposto, as condições são uma classe particular de desigualdades matriciais bilineares (BMIs - do inglês, Bilinear Matrix Inequalities), as quais contêm alguns termos bilineares devido à multiplicação de matrizes por escalares. Estes termos estão relacionados à combinação convexa das matrizes de chaveamento bem como a outros parâmetros escalare... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: This thesis is devoted to the study of the robust H∞ control problem of continuous-time switched linear systems subject to actuator saturation with polytopic uncertainties, considering an output-dependent switching law and a switched static output feedback controller. The proposed method offers new sufﬁcient conditions based on linear matrix inequalities (LMIs) for designing the switched controllers using parameter-dependent Lyapunov functions. The method is based on a static output feedback H∞ control design recently presented in the literature that avoids linear matrices equalities (LMEs) and the need to impose any constraints on output system matrices, that is, the output matrices of the system are allowed to be of non-full row rank. In order to extend those results, the actuator saturation constraint is also studied. Theoretical analyses and simulation results show that these new procedures are less conservative than recent methods available in the literature. The conditions of the proposed methods are a particular class of Bilinear Matrix Inequalities (BMIs), which contain some bilinear terms as the product of a matrix and a scalar, related to a suitable convex combination and scalars parameters to provide extra free dimensions in the solution space. The hybrid algorithm Differential Evolution-Linear Matrix Inequality (DE-LMI), is proposed for obtaining feasible solutions of this particular NP-hard problem. Examples show that the proposed methodologies reduce the design ... (Complete abstract click electronic access below)
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Naas, Nabil A. "Towards optimum design of static wavelength-routing optical wide-area packet-switched networks." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0006/MQ45290.pdf.

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Hospodka, Pavel. "Studie rekonstrukce železniční stanic Bohdíkov a Ruda nad Moravou." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226637.

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The task of the thesis is to make a study of reconstruction of two railway stations: Bohdíkov and Ruda nad Moravou. The aim of the project is to prepare a plan of reconstruction, which will suit actual state of traffic. The plan must abide the rules of law, especially in the case of the entry of people with physical handicaps.The thesis contains the plan of reconstruction of platforms, a regulation of geometric parameters of tracks, reconstruction of superstructure and also rebuilding of actual drainage.

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Syrový, Aleš. "Návrh rekonstrukce železniční stanice Horní Cerekev." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392112.

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The subject of the diploma thesis is to design a redevelopment of railway station Horni Cerekev, in order to meet current traffic and legislation on access of persons with reduced mobility. Two platforms with the platform edge height of 550 mm above the top of the rail have been designed. The amount of five running tracks through the station remains unchanged. Furthermore, the railway superstructure, railway substructure and conceptual design of space in front of the station.

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Killian, Mitchell. "Moments of doubt and reassessment an examination of why individuals switch political parties /." online access from Digital Dissertation Consortium, 2007. http://libweb.cityu.edu.hk/cgi-bin/er/db/ddcdiss.pl?3258476.

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Pastorek, Jaroslav. "Návrh transformační stanice pro vyvedení výkonu z kogenerační jednotky." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219401.

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The thesis deals with the design of a transformer station for the outgoing power of cogeneration unit with an electric capacity of up to 1 MW. The thesis describes the design procedure of individual devices such as a transformer with a nominal ratio 22/0,4 kV, high voltage switchgears and low voltage switchgears. With the proper selection of the transformer, along with the technical parameters, the economic benefits that come from its purchasing and operating costs with the transformer operation are also considered. Based on this, the economic comparison of selected types of oil transformers during 20 years is also developed. Another part of the thesis deals with HV and LV switchgears, which are dimensioned according to shortcircuit conditions in the transformer station. In conclusion this work deals with the grounding of a transformer station and design protection in accordance PPDS.

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Books on the topic "Static switch"

1

Pavlyuk, Yuri. Application of static transfer switch for induction motor load transfer. Ottawa: National Library of Canada, 1997.

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S, Dean R., Hennick A, U.S. Nuclear Regulatory Commission. Office of Nuclear Reactor Regulation. Division of Operational Events Assessment., and Parameter Inc, eds. Closeout of IE bulletin 86-02: Static "O" ring differential pressure switches. Washington, DC: Division of Operational Events Assessment, Office of Nuclear Reactor Regulation, U.S. Nuclear Regulatory Commission, 1989.

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Bait and switch: Human rights and U.S. foreign policy. New York: Routledge, 2004.

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Bait and switch: The (futile) pursuit of the American dream. New York: Henry Holt, 2006.

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Bait and switch: The (futile) pursuit of the American dream. New York: Metropolitan Books, 2005.

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Monica, Gattinger, ed. Power switch: Energy regulatory governance in the twenty-first century. Toronto: University of Toronto Press, 2003.

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United States. Congress. House. Committee on Government Operations. Asleep at the switch?: Federal Communications Commission efforts to assure reliability of the public telephone network : fourteenth report. Washington: U.S. G.P.O., 1991.

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United States. Congress. Senate. Committee on Governmental Affairs. Asleep at the switch: FERC's oversight of the Enron Corporation : hearing before the Committee on Governmental Affairs, United States Senate, One Hundred Seventh Congress, second session, November 12, 2002. Washington: U.S. G.P.O., 2003.

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Office, General Accounting. Information technology: DOD needs to improve process for ensuring interoperability of telecommunications switches : report to congressional requesters. Washington, D.C. (P.O. Box 37050, Washington 20013): U.S. General Accounting Office, 2002.

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The summer before the summer of love: Stories by marly swick. Lincoln: University of Nebraska Press, 2004.

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Book chapters on the topic "Static switch"

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Jebali-Ben Ghorbal, M., M. Ben Said-Romdhane, J. Arbi-Ziani, S. Skander-Mustapha, and I. Slama-Belkhodja. "Static Switch Activation Algorithm for Energy Storage System Grid-Connection and Disconnection." In Lecture Notes in Electrical Engineering, 49–63. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-56970-9_5.

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Zhao, Liang, Jian Zhang, He Zhu, Xiaoxiao Cheng, and Feifei Zhang. "Static Security Analysis of the Regional Power Grid Based on the Busbar Automatic Transfer Switch." In Lecture Notes in Electrical Engineering, 419–26. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-01273-5_46.

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Jones, Roger D., and Alan M. Jones. "A Proposed Mechanism for in vivo Programming Transmembrane Receptors." In Communications in Computer and Information Science, 123–37. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-57430-6_11.

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AbstractTransmembrane G-protein coupled receptors (GPCRs) are ideal drug targets because they resemble, in function, molecular microprocessors for which outcomes (e.g. disease pathways) can be controlled by inputs (extracellular ligands). The inputs here are ligands in the extracellular fluid and possibly chemical signals from other sources in the cellular environment that modify the states of molecular switches, such as phosphorylation sites, on the intracellular domains of the receptor. Like in an engineered microprocessor, these inputs control the configuration of output switch states that control the generation of downstream responses to the inputs.Many diseases with heterogeneous prognoses including, for example, cancer and diabetic kidney disease, require precise individualized treatment. The success of precision medicine to treat and cure disease is through its ability to alter the microprocessor outputs in a manner to improve disease outcomes. We previously established ab initio a model based on maximal information transmission and rate of entropy production that agrees with experimental data on GPCR performance and provides insight into the GPCR process. We use this model to suggest new and possibly more precise ways to target GPCRs with potential new drugs.We find, within the context of the model, that responses downstream of the GPCRs can be controlled, in part, by drug ligand concentration, not just whether the ligand is bound to the receptor. Specifically, the GPCRs encode the maximum ligand concentration the GPCR experiences in the number of active phosphorylation or other switch sites on the intracellular domains of the GPCR. This process generates a memory in the GPCR of the maximum ligand concentration seen by the GPCR. Each configuration of switch sites can generate a distinct downstream response bias. This implies that cellular response to a ligand may be programmable by controlling drug concentration. The model addresses the observation paradox that the amount of information appearing in the intracellular region is greater than amount of information stored in whether the ligand binds to the receptor. This study suggests that at least some of the missing information can be generated by the ligand concentration. We show the model is consistent with assay and information-flow experiments.In contrast to the current view of switch behavior in GPCR signaling, we find that switches exist in three distinct states: inactive (neither off nor on), actively on, or actively off. Unlike the inactive state, the active state supports a chemical flux of receptor configurations through the switch, even when the switch state is actively off. Switches are activated one at a time as ligand concentration reaches threshold values and does not reset because the ligand concentration drops below the thresholds. These results have clinical relevance. Treatment with drugs that target GPCR-mediated pathways can have increased precision for outputs by controlling switch configurations. The model suggests that, to see the full response spectrum, fully native receptors should be used in assay experiments rather than chimera receptors.Inactive states allow the possibility for novel adaptations. This expands the search space for natural selection beyond the space determined by pre-specified active switches.

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Filippov, Alexander E., and Valentin L. Popov. "Study of Dynamics of Block-Media in the Framework of Minimalistic Numerical Models." In Springer Tracts in Mechanical Engineering, 143–68. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60124-9_7.

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AbstractOne of the principal methods of preventing large earthquakes is stimulation of a large series of small events. The result is a transfer of the rapid tectonic dynamics in a creep mode. In this chapter, we discuss possibilities for such a transfer in the framework of simplified models of a subduction zone. The proposed model describes well the basic characteristic features of geo-medium behavior, in particular, statistics of earthquakes (Gutenberg Richter and Omori laws). Its analysis shows that local relatively low-energy impacts can switch block dynamics from stick–slip to creep mode. Thus, it is possible to change the statistics of seismic energy release by means of a series of local, periodic, and relatively low energy impacts. This means a principal possibility of “suppressing” strong earthquakes. Additionally, a modified version of the Burridge-Knopoff model including a simple model for state dependent friction force is derived and studied. The friction model describes a velocity weakening of friction between moving blocks and an increase of static friction during stick periods. It provides a simplified but qualitatively correct stability diagram for the transition from smooth sliding to a stick–slip behavior as observed in various tribological systems. Attractor properties of the model dynamic equations were studied under a broad range of parameters for one- and two-dimensional systems.

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Wu, Yuanyuan, and Jinde Cao. "Finite-Time Stability of Switched Static Neural Networks." In Advances in Neural Networks – ISNN 2014, 159–66. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12436-0_18.

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Jankowski, B., D. Kapelski, M. Karbowiak, M. Przybylski, and B. Ślusarek. "Analysis of Static Characteristics of a Switched Reluctance Motor." In Lecture Notes in Electrical Engineering, 289–304. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-11248-0_22.

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Diao, Zhihua, Chunying Diao, Xiaoliang Qian, and Yuanyuan Wu. "Further Results on Finite-Time Stability of Switched Static Neural Networks." In Cloud Computing and Security, 508–18. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-68505-2_44.

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Bose, D. N. "Amorphous Chalcogenide Microwave Switches." In Disorder and Order in the Solid State, 45–51. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-1027-3_5.

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Park, Jun Hyub, Chang Seung Lee, and Yun Jae Kim. "Fatigue Test of Al-3%Ti Using Axial Loading Testing Machine for RF MEMS Switch." In Solid State Phenomena, 3–8. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-15-9.3.

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Kajisa, Kei, Piedad Moya, and Fe Gascon. "The Central Luzon Loop Survey: Rice Farming in the Philippines from 1966 to 2021." In Emerging-Economy State and International Policy Studies, 33–47. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-5542-6_3.

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AbstractThe Central Luzon Loop Survey in the Philippines is one of the longest-running and ongoing household-level farm surveys in tropical Asia. This chapter reviews the changes in rice farming from 1966 to 2021, with a particular focus on the past decade. The data show that rice yields have stagnated and become more variable despite a prompt and continuous switch to newer modern varieties with an appropriate nitrogen application level since the Green Revolution. This implies that the Green Revolution-type agricultural development is at a crossroads. As background factors, this chapter reviews how the adoption of labor-saving technologies, mechanization, and farm size have changed over time under increasing rural labor scarcity. A subjective assessment of the impact of COVID-19 on rice farming is also discussed.

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Conference papers on the topic "Static switch"

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Gregory, D. "The static transfer switch operational considerations." In International Conference on Power Electronics Machines and Drives. IEE, 2002. http://dx.doi.org/10.1049/cp:20020188.

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Mahmood, Tahir, and Mohammad Choudhry. "Reconfiguration of feeders using static transfer switch." In 2006 International Conference on Emerging Technologies. IEEE, 2006. http://dx.doi.org/10.1109/icet.2006.336023.

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Griffith, D. C. "When & Where for the Static Switch." In INTELEC '86 - International Telecommunications Energy Conference. IEEE, 1986. http://dx.doi.org/10.1109/intlec.1986.4794466.

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Mokhtari, H., S. B. Dewan, and M. R. Iravani. "Performance evaluation of thyristor based static transfer switch." In Proceedings of Power Engineering Society Summer Meeting. IEEE, 2001. http://dx.doi.org/10.1109/pess.2001.970185.

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Beitelmal, Tamer, Sebastian S. Szyszkowicz, and Halim Yanikomeroglu. "Regular and Static Sector-Based Cell Switch-Off Patterns." In 2016 IEEE 84th Vehicular Technology Conference (VTC-Fall). IEEE, 2016. http://dx.doi.org/10.1109/vtcfall.2016.7881194.

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Glauser, H. P. "A new digital controlled inverter system with static switch." In Twenty-Third International Telecommunications Energy Conference. INTELEC 2001. IEE, 2001. http://dx.doi.org/10.1049/cp:20010645.

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Javed, Muhammad Rizwan, Tahir Mahmood, and Muhammad Ahmad Choudhry. "Performance analysis of static transfer switch using MATLAB/Simulink." In 2015 Power Generation Systems and Renewable Energy Technologies (PGSRET). IEEE, 2015. http://dx.doi.org/10.1109/pgsret.2015.7312181.

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Song, Seung-Min, Jin-Young Kim, and In-Dong Kim. "New Three-Phase Static Transfer Switch using AC SSCB." In 2018 International Power Electronics Conference (IPEC-Niigata 2018-ECCE Asia). IEEE, 2018. http://dx.doi.org/10.23919/ipec.2018.8507620.

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Xuejun Su and Junshan Liu. "Design of 400HZ mid-frequency static switch power employing PWM." In 2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC). IEEE, 2011. http://dx.doi.org/10.1109/aimsec.2011.6010030.

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Guha, Koushik, Mithlesh Kumar, Ram Kumar Karsh, Rajeswar Rabha, Anup Dutta, Sandipan Nath, and S. Baishya. "Static and electromagnetic analysis of RF MEMS shunt capacitive switch." In TENCON 2015 - 2015 IEEE Region 10 Conference. IEEE, 2015. http://dx.doi.org/10.1109/tencon.2015.7373170.

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Reports on the topic "Static switch"

1

Wilcoski, James. Seismic testing of a static power static transfer switch. Engineer Research and Development Center (U.S.), November 2021. http://dx.doi.org/10.21079/11681/42461.

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This test report documents seismic qualification testing of a Static Power Static Transfer Switch (STS). The STS is a mission-critical unit that will be installed at Eareckson Air Station (EAS), on the island of Shemya, Alaska. Two units were built, one of which was tested on the ERDC-CERL shake table on 10 November 2020, and the other delivered to EAS for installation. This report presents details on the STS configuration, seismic tests conducted, and the performance of the unit. The unit passed the final seismic test and can now confidently be installed at the EAS.

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Pickrell, Gregory. Compact Solid-State High-Voltage Switch. Office of Scientific and Technical Information (OSTI), January 2021. http://dx.doi.org/10.2172/1763597.

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Martini, L., G. Swallow, and E. Bellagamba. MPLS Label Switched Path (LSP) Pseudowire (PW) Status Refresh Reduction for Static PWs. RFC Editor, October 2017. http://dx.doi.org/10.17487/rfc8237.

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Foley, W., R. Dean, and A. Hennick. Closeout of IE Bulletin 86-02: Static O'' ring differential pressure switches. Office of Scientific and Technical Information (OSTI), October 1989. http://dx.doi.org/10.2172/5496989.

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Visser, A. T. Design note of a 10,000A, 1,000Vdc solid state dump switch for the magnet test facility. Office of Scientific and Technical Information (OSTI), October 1990. http://dx.doi.org/10.2172/6183033.

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Muelaner, Jody. Unsettled Issues Regarding First- and Last-mile Transport. SAE International, October 2021. http://dx.doi.org/10.4271/epr2021024.

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Sustainable first/last/only-mile (FLO-mile) transport is the key to sustainable travel. It could directly replace private car use for short urban journeys, which account for 1% of global greenhouse gas emissions. More importantly, it could enable public transport to be used for longer journeys, which account for 6% of emissions. Active travel, such as walking and cycling, has the lowest emissions and provides huge economic benefits that pay for the required infrastructure many times over. Unsettled Issues Regarding First- and Last-Mile Transport discusses the mass switch to more sustainable modes of transport and how to increase their perceived value to users. It also covers the prioritization of publicly owned cycles over rideshare options due to the latter’s higher lifecycle emissions, including manufacture, redistribution, and service operations and station construction.

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Santarelli, Keith R. A switched state feedback law for the stabilization of LTI systems. Office of Scientific and Technical Information (OSTI), September 2009. http://dx.doi.org/10.2172/993891.

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Crabbe, E., I. Minei, J. Medved, R. Varga, X. Zhang, and D. Dhody. Optimizations of Label Switched Path State Synchronization Procedures for a Stateful PCE. RFC Editor, September 2017. http://dx.doi.org/10.17487/rfc8232.

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Zameroski, Nathan D., Michael Clement Wanke, and David J. Bossert. Cavity length dependence of mode beating in passively Q-switched Nd-solid state lasers. Office of Scientific and Technical Information (OSTI), July 2012. http://dx.doi.org/10.2172/1055620.

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Glennie, Elizabeth J., and W. Zach Smith. Rapid Changes in Teaching and Learning: The Response of Teachers and Students in Dual Credit Courses to Online Learning During the COVID-19 Pandemic. RTI Press, November 2023. http://dx.doi.org/10.3768/rtipress.2023.pb.0027.2311.

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In spring 2020, the COVID-19 pandemic forced schools to switch quickly to online learning. Before then, Hawaiʻi had been expanding its dual credit program, in which high school students could take courses that would yield both high school and college credits. These dual credit programs require partnerships between high schools and colleges. RTI International conducted a multi-method analysis to examine the effect of this COVID-19–based transition to online learning on the dual credit, analyzing data from the state longitudinal data system and conducting surveys and focus groups of the University of Hawaiʻi’s instructors, high school coordinators, and high school staff involved with program. From spring 2020 to fall 2020, students took some dual enrollment courses even though offerings and enrollment declined; offerings and enrollment rebounded by spring 2021. The percentage of course-takers earning both high school and college credit remained about the same during this transition. Examining outcomes for student and school subgroups shows that male students struggled more than female students did with enrollment during this transition, and students in rural schools had a steeper decline in the rate of earning both high school and college credits. However, both groups did begin to recover by spring 2021.

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