Relevant bibliographies by topics / Systémy MMS

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Systémy MMS'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Systémy MMS"

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Lim, Hyo Seon. "The Development of MMC(Material Matching Cube) and MMS(Material Matching System) for Material Education of Product Design." KOREA SCIENCE & ART FORUM 30 (September 30, 2017): 377–90. http://dx.doi.org/10.17548/ksaf.2017.09.30.377.

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Al-Hamad, A., and N. El-Sheimy. "Smartphones Based Mobile Mapping Systems." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-5 (June 5, 2014): 29–34. http://dx.doi.org/10.5194/isprsarchives-xl-5-29-2014.

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The past 20 years have witnessed an explosive growth in the demand for geo-spatial data. This demand has numerous sources and takes many forms; however, the net effect is an ever-increasing thirst for data that is more accurate, has higher density, is produced more rapidly, and is acquired less expensively. For mapping and Geographic Information Systems (GIS) projects, this has been achieved through the major development of Mobile Mapping Systems (MMS). MMS integrate various navigation and remote sensing technologies which allow mapping from moving platforms (e.g. cars, airplanes, boats, etc.) to obtain the 3D coordinates of the points of interest. Such systems obtain accuracies that are suitable for all but the most demanding mapping and engineering applications. However, this accuracy doesn't come cheaply. As a consequence of the platform and navigation and mapping technologies used, even an "inexpensive" system costs well over 200 000 USD. Today's mobile phones are getting ever more sophisticated. Phone makers are determined to reduce the gap between computers and mobile phones. Smartphones, in addition to becoming status symbols, are increasingly being equipped with extended Global Positioning System (GPS) capabilities, Micro Electro Mechanical System (MEMS) inertial sensors, extremely powerful computing power and very high resolution cameras. Using all of these components, smartphones have the potential to replace the traditional land MMS and portable GPS/GIS equipment. This paper introduces an innovative application of smartphones as a very low cost portable MMS for mapping and GIS applications.
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Al-Durgham, Kaleel, Derek D. Lichti, Eunju Kwak, and Ryan Dixon. "Automated Accuracy Assessment of a Mobile Mapping System with Lightweight Laser Scanning and MEMS Sensors." Applied Sciences 11, no. 3 (January 23, 2021): 1007. http://dx.doi.org/10.3390/app11031007.

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The accuracy assessment of mobile mapping system (MMS) outputs is usually reliant on manual labor to inspect the quality of a vast amount of collected geospatial data. This paper presents an automated framework for the accuracy assessment and quality inspection of point cloud data collected by MMSs operating with lightweight laser scanners and consumer-grade microelectromechanical systems (MEMS) sensors. A new, large-scale test facility has been established in a challenging navigation environment (downtown area) to support the analyses conducted in this research work. MMS point cloud data are divided into short time slices for comparison with the higher-accuracy, terrestrial laser scanner (TLS) point cloud of the test facility. MMS data quality is quantified by the results of registering the point cloud of each slice with the TLS datasets. Experiments on multiple land vehicle MMS point cloud datasets using a lightweight laser scanner and three different MEMS devices are presented to demonstrate the effectiveness of the proposed method. The mean accuracy of a consumer grade MEMS (<$100) was found to be 1.13 ± 0.47 m. The mean accuracy of two commercial MEMS (>$100) was in the range of 0.48 ± 0.23 m to 0.85 ± 0.52 m. The method presented here in can be straightforwardly implemented and adopted for the accuracy assessment of other MMSs types such as unmanned aerial vehicles (UAV)s.
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Messinger, Alain. "Messinger Membrane Systems AG: MMS in Brief." CHIMIA International Journal for Chemistry 57, no. 6 (June 1, 2003): 334–35. http://dx.doi.org/10.2533/000942903777679136.

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Song, Haryong, and Yongtae Choi. "Multiple Model-Based Synchronization Approaches for Time Delayed Slaving Data in a Space Launch Vehicle Tracking System." Mathematical Problems in Engineering 2016 (2016): 1–12. http://dx.doi.org/10.1155/2016/9319282.

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Due to the inherent characteristics of the flight mission of a space launch vehicle (SLV), which is required to fly over very large distances and have very high fault tolerances, in general, SLV tracking systems (TSs) comprise multiple heterogeneous sensors such as radars, GPS, INS, and electrooptical targeting systems installed over widespread areas. To track an SLV without interruption and to hand over the measurement coverage between TSs properly, the mission control system (MCS) transfers slaving data to each TS through mission networks. When serious network delays occur, however, the slaving data from the MCS can lead to the failure of the TS. To address this problem, in this paper, we propose multiple model-based synchronization (MMS) approaches, which take advantage of the multiple motion models of an SLV. Cubic spline extrapolation, prediction through anα-β-γfilter, and a single model Kalman filter are presented as benchmark approaches. We demonstrate the synchronization accuracy and effectiveness of the proposed MMS approaches using the Monte Carlo simulation with the nominal trajectory data of Korea Space Launch Vehicle-I.
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Haidegger, G., and G. Nagy. "The Applicability of MMS in the Future Manufacturing Systems." IFAC Proceedings Volumes 27, no. 4 (June 1994): 207–10. http://dx.doi.org/10.1016/s1474-6670(17)46024-1.

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SUCIU, Cristina, and Marioara TULPAN. "Production Process and Indicators of Production Systems." Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 42, no. 1 (March 15, 2019): 48–51. http://dx.doi.org/10.35219/mms.2019.1.08.

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Tavakoli, Amir, and Adil Kakalia. "MMS: A materials management system." Construction Management and Economics 11, no. 2 (March 1993): 143–48. http://dx.doi.org/10.1080/01446199300000007.

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Niola, Vincenzo, and Domenico Mundo. "Italian Advances on MMS." Machines 9, no. 4 (April 12, 2021): 80. http://dx.doi.org/10.3390/machines9040080.

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The aim of this Special Issue is to disseminate recent developments in the field of Mechanism and Machine Science achieved by the Italian community through international collaborations, ranging from theoretical contributions to experimental and practical applications [...]
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Do Quang Thong. "Synthesis of the Missile Homing System Taking into Account the Dynamic Characteristic of the Measurement Elements." Mekhatronika, Avtomatizatsiya, Upravlenie 20, no. 4 (April 10, 2019): 251–56. http://dx.doi.org/10.17587/mau.20.251-256.

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Several various missile homing systems (MHS) have been developed in recent years. However, to the best of our knowledge, these systems do not take into account the dynamic characteristics of the measurement elements (ME). Such existing systems can only work well when the MEs have a small inertia and large damping. Thus in general case, it is necessary to consider the dynamic characteristics of the MEs with the big inertia. In addition, using the MEs with the big inertia, the MHSs is able to remove the high-frequency noise. However, taking into account the dynamic properties of the MEs causes difficulties in determining the transfer function (PF) of the normal acceleration stability system and the synthesis of MHSs. Therefore, in this paper, we propose an effective mathematical model of the missile homing system, which takes into consideration the dynamic characteristics of the MEs. In addition, this model allows synthesizing the high accuracy MHSs, and utilizing the MEs with the inertia equivalent to the inertia of the rudder actuator. To accomplish that, the proposed system is composed of two stages. In the first stage, the MHSs, which do not incorporate the dynamic characteristics of the MEs, is presented in detail. Then, we analyze and estimate the effect of the dynamic characteristics of the MEs on the performance of the MHSs. In the second stage, we propose a novel MHS, which takes into account the dynamic characteristics of the MEs. The proposed system is implemented based on the basic functions in the Control system toolbox in MATLAB, and designed by the parametric optimization method. The simulation results indicate that, our proposed system outperforms the conventional MHSs in term of reducing the negative effects of the dynamic characteristic of the MEs on the quality of the MHS.
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Dissertations / Theses on the topic "Systémy MMS"

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Centový, Radoslav. "Analýza trajektorie mobilních mapovacích platforem." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-390215.

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The diploma thesis deals with possibilities of tracing the trajectory of mobile mapping systems in order to compare their accuracy. This thesis discusses the individual components of the mobile mapping device that were used in its construction. The thesis contains the results of the experiments that were performed on individual test.
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Štrublíková, Iva. "MES systémy ve strojírenství." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228258.

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The content of the diploma thesis is a description of the functions and features of the production control systems - MES (manufacturing execution systems), an analysis of these systems implemented in The Czech Republic, an elaboration of the system proposal of an intelligent production control system and retrieving new algorithms and functions according to which these systems can by formed. The MES systems analysis is performed by comparing implemented systems to the modules of production control systems conformably to MESA international. In the system suggestion there will be the intelligent component formed by automatic analysis of the effect of the order delay in production - automatic Gantt chart comparison of the plan versus reality. According to the adjusted system parameters it will separately make decisions about production scheduling. Searching new algorithms and functions will proceed in the reagions of artificial intelligence - genetic algorithms, holonic and multiagent systems, experts systems.
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Havlíková, Marie. "Diagnostika systémů s lidským operátorem." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-233473.

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The doctoral thesis is thematically focused to human operator systems significantly contributing to this system reliability and safety. The theoretical part of the thesis is concerned with human activities and communications in MMS system, valuation and estimation of human reliability probability in MSS. The important part of the thesis is also a description of human operator neuromuscular system as an executive powerful system on MMS system regulating activities and the summary of human driver models in compensative lateral car control. The practical part of the doctoral thesis is based on analyses created by experimental data of drives. Experimental drives were done on drivers set following different backgrounds and different sleep deprivation at whole day. All experimental data was realized from the cooperation and following the agreement of Faculty of Transportation Science research centre on Prague ČVUT. Another part of thesis includes driver simulation model proposals with nonlinear components for lateral car control. Simulation model drives are compared with real drives or drivers on drive-simulator and there are monitored identical and different dynamic movement characteristics. The main target of doctoral thesis is to detect and obtain significant dynamical drive experience characteristics based on experimental data analyses. As well to found drive characters variability owing to driver’s fatigue and determinated evaluated characteristics changes. Acquired results of thesis should help in assistant systems that in cooperation with other components alert to micro-sleep and run off drive possibility.
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Wang, Limin. "Modeling and real-time feedback control of MEMS device." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3711.

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Thesis (Ph. D.)--West Virginia University, 2004.
Title from document title page. Document formatted into pages; contains v, 132 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 128-132).
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Voborný, Vojtěch. "Analýzu výrobního informačního systému MES Hydra a následná optimalizace ve zvolené společnosti." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2017. http://www.nusl.cz/ntk/nusl-318355.

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The thesis focuses on the analysis of the processing informational system MES Hydra used by automotive company Jopp Automotive s. r. o.. Since the company does not use full potential of the described system, emphasis will be placed especially on the modules involved in the production process. The analysis will be carried out by user's perspective and also the actual implementation and suggestions about possible improving of user´s interface or potential application of additional options of the system will be considered. The integral part of the thesis are production schemes, on that facts and ideas for process optimalization controlled by the system will be discussed.
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Tichý, Jan. "Systémy MES/MOM v prostředí Industry 4.0." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316386.

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This diploma thesis "MES / MOM Systems in the Industry 4.0 concept" deals with the analysis, design and implementation of these systems. The first focus is on Industry 4.0 analysis, where are describe each part of Industry 4.0. Based on this knowledge, there were specified the changes in the MES / MOM systems. According to the changes and knowledge were designed and implemented the MES / MOM concept. The system communicates with the PLC using its own communicator and represents the data in the application environment. The application implements the Historian module and system modules. The PLC has an MS SQL protocol implemented so that the device can read and write data without the need to communicate with the parent system. This implementation is in line with Industry 4.0’s concept.
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Gruber, Jakub. "Využití podnikových dat k zabezpečování kvality výrobku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-442862.

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The task of the thesis is a theoretical analysis and description of the use of company data. Emphasis is placed on the system analysis of the problem. The specific production process and the data available from it are evaluated, which help to find a technical and economic evaluation.
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Bobalík, Lukáš. "Využití senzorů MEMS pro lokální určení polohy." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-221043.

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Within this Master’s thesis, design and construction of a strapdown inertial navigation system based on MEMS sensors is described. The thesis includes theoretic analysis of physics behind determining the position of an object based on the object’s aceleration and changes in the object’s orientation in space. Included is also an overview of mathematical methods related to the position calculation.
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Gill, Martin L. "Combining MAS and P2P systems : the Agent Trees Multi-Agent System (ATMAS)." Thesis, University of Stirling, 2005. http://hdl.handle.net/1893/108.

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The seamless retrieval of information distributed across networks has been one of the key goals of many systems. Early solutions involved the use of single static agents which would retrieve the unfiltered data and then process it. However, this was deemed costly and inefficient in terms of the bandwidth since complete files need to be downloaded when only a single value is often all that is required. As a result, mobile agents were developed to filter the data in situ before returning it to the user. However, mobile agents have their own associated problems, namely security and control. The Agent Trees Multi-Agent System (AT-MAS) has been developed to provide the remote processing and filtering capabilities but without the need for mobile code. It is implemented as a Peer to Peer (P2P) network of static intelligent cooperating agents, each of which control one or more data sources. This dissertation describes the two key technologies have directly influenced the design of ATMAS, Peer-to-Peer (P2P) systems and Multi-Agent Systems (MAS). P2P systems are conceptually simple, but limited in power, whereas MAS are significantly more complex but correspondingly more powerful. The resulting system exhibits the power of traditional MAS systems while retaining the simplicity of P2P systems. The dissertation describes the system in detail and analyses its performance.
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Specht, Hendrik. "MEMS-Laser-Display-System." Doctoral thesis, Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-71334.

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In der vorliegenden Arbeit werden die im Zusammenhang mit der Strahlablenkung stehenden Systemaspekte der auf MEMS-Scanner basierenden Laser-Display-Technologie theoretisch analysiert und aus den Ergebnissen die praktische Implementierung eines Laser-Display-Systems als Testplattform vorgenommen. Dabei werden mit einem Ansatz auf Basis zweier 1D-Scanner und einem weiteren Ansatz mit einem 2D-Scanner zwei Varianten realisiert. Darüber hinaus erfolgt die Entwicklung eines bildbasierten Multiparametertestverfahrens, welches sowohl für den Test komplettierter Strahlablenkeinheiten bzw. Projektionsmodule als auch zum umfassenden und zeiteffizienten Test von MEMS-Scannern auf Wafer-Level geeignet ist. Mit diesem Verfahren erfolgt eine Charakterisierung der zwei realisierten Varianten des Laser-Displays. Ausgehend von den Eigenschaften des menschlichen visuellen Systems und den daraus resultierenden Anforderungen an das Bild sowie einer systemtheoretischen Betrachtung des mechanischen Verhaltens von MEMS-Scannern bildet die Ansteuersignalerzeugung für den resonanten Betrieb der schnellen und den quasistatischen Betrieb der langsamen Achse einen Schwerpunkt. Neben dem reinen digitalen Regler- bzw. Filterentwurf sowie mehreren Linearisierungsmaßnahmen beinhaltet dieser auch die Herleitung einer FPGA-basierten Videosignalverarbeitung zur Konvertierung von Scannpattern, Zeitregime und Auflösung mit einer entsprechenden Synchronisierung von Strahlablenkung und Lasermodulation. Auf Grundlage der daraus resultierenden Erkenntnisse über den Zusammenhang zwischen Scanner-/Systemparametern und Bildparametern werden Testbild-Bildverarbeitungsalgorithmus-Kombinationen entwickelt und diese, angeordnet in einer Sequenz, mit einem Kalibrierverfahren zu einem Testverfahren für MEMS-Scanner vervollständigt. Die Ergebnisse dieser Arbeit entstanden im Rahmen von industriell beauftragten F&E-Projekten und fließen in die andauernde Fortführung des Themas beim Auftraggeber ein.
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Books on the topic "Systémy MMS"

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Ralph, Daniel. MMS. New York: John Wiley & Sons, Ltd., 2004.

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1954-, Graham Paul, ed. MMS: Technologies, usage, and business models. Chichester: John Wiley, 2004.

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The MVS primer. Boston: QED Technical Pub. Group, 1992.

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Multimedia messaging service: An engineering approach to MMS. Chichester: J. Wiley, 2003.

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Henry-Labordère, A. SMS and MMS interworking in mobile networks. Boston: Artech House, 2004.

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Mobile messaging technologies and services: SMS, EMS, and MMS. 2nd ed. Chichester, West Sussex, England: J. Wiley & Sons, 2005.

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Mobile messaging technologies and services: SMS, EMS, and MMS. West Sussex, England: J. Wiley, 2003.

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Kroenke, David. Using MIS. 3rd ed. Boston: Prentice Hall, 2011.

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Kletti, Jürgen. Manufacturing Execution Systems (MES). Berlin: Springer, 2007.

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Kletti, Jürgen, ed. Manufacturing Execution Systems — MES. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49744-8.

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Book chapters on the topic "Systémy MMS"

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Alt, Rainer, Gunnar Auth, and Christoph Kögler. "Fallbeispiel T-Systems MMS." In essentials, 33–47. Wiesbaden: Springer Fachmedien Wiesbaden, 2017. http://dx.doi.org/10.1007/978-3-658-18704-0_4.

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Kovtun, T., and I. Finohenova. "CONVERGENCE IN ECOLOGICAL SYSTEM PROJECTS." In Intelligent information systems for decision support in project and program management, 114–71. Kharkiv, Ukraine: Press of the Kharkiv National University of Radioelectronics, 2021. http://dx.doi.org/10.30837/mmp.2021.114.

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Gavrilenko, I., N. Karpenko, and A. Litvinov. "DIAGNOSTICS OF FUNCTIONAL RELIABILITY OF PIPELINE SYSTEMS." In Intelligent computer-integrated information technology in project and program management, 54–63. Riga, Latvia: ISMA University of Applied Science, 2020. http://dx.doi.org/10.30837/mmp.2020.054.

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Novoselov, S., and O. Sychova. "AUTOMATED SYSTEM OF TECHNOLOGICAL PREPARATION OF PRODUCTION." In Intelligent computer-integrated information technology in project and program management, 207–24. Riga, Latvia: ISMA University of Applied Science, 2020. http://dx.doi.org/10.30837/mmp.2020.207.

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Yunjia, Li. "Microelectromechanical Systems (MEMS)." In Material-Integrated Intelligent Systems - Technology and Applications, 81–106. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783527679249.ch4.

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Young, Darrin J., and Hanseup Kim. "Microelectromechanical Systems (MEMS)." In Guide to State-of-the-Art Electron Devices, 239–50. Chichester, UK: John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118517543.ch18.

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Juarez-Martinez, Gabriela, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, et al. "MEMS = Microelectromechanical Systems." In Encyclopedia of Nanotechnology, 1305. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9751-4_100394.

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Samoylenko, I., Yu Romanenkov, T. Zieiniiev, and V. Lebedchenko. "INNOVATION AS A FACTOR IN THE DEVELOPMENT OF SOCIO-ECONOMIC SYSTEMS." In Intelligent information systems for decision support in project and program management, 231–40. Kharkiv, Ukraine: Press of the Kharkiv National University of Radioelectronics, 2021. http://dx.doi.org/10.30837/mmp.2021.231.

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Borysenko, O. "SYSTEM OF METHODS OF DIAGNOSTICS OF INNOVATIVE DEVELOPMENT OF THE ENTERPRISE." In Intelligent computer-integrated information technology in project and program management, 8–22. Riga, Latvia: ISMA University of Applied Science, 2020. http://dx.doi.org/10.30837/mmp.2020.008.

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Malyeyeva, O., D. Litvinenko, and R. Artiukh. "MANAGEMENT OF STAKEHOLDERS IN TRANSPORT SYSTEM DEVELOPMENT PROJECTS CONSIDERING THE POSSIBLE COMMUNICATION CONFLICTS." In Intelligent computer-integrated information technology in project and program management, 152–77. Riga, Latvia: ISMA University of Applied Science, 2020. http://dx.doi.org/10.30837/mmp.2020.152.

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Conference papers on the topic "Systémy MMS"

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Beatriz, Julio S., and Dumitru I. Caruntu. "Voltage Response of Parametric Resonance of MEMS Circular Plates Under Hard Excitations." In ASME 2019 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/dscc2019-9059.

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Abstract This work deals with the voltage response of parametric resonance of electrostatically actuated microelectromechanical (MEMS) circular plates under hard excitations. Method of Multiple Scales (MMS) and Reduced Order Model (ROM) method using two modes of vibration are used to predict the voltage-amplitude response of the MEMS circular plates. ROM is solved using AUTO 07p, a software package for continuation and bifurcation. MMS used in this paper has one term in the electrostatic force being considered significant. This is the way MMS is used to model hard excitations. MMS shows results similar to those of ROM at lower amplitudes and lower voltages. The differences between the two methods, MMS and ROM, are significant in high amplitudes for all voltages, and the differences are significant in all amplitudes for larger voltages. Significant differences can be noted in the effect of different parameters such as the detuning frequency and damping on the voltage response. ROM AUTO 07p is calibrated using ROM time responses in which the ROM is solved using the solver ode15s in Matlab.
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Caruntu, Dumitru I., and Christopher Reyes. "Parametric Resonance of Electrostatically Actuated MEMS Cantilever Resonators: Homotopy Analysis Method Versus the Method of Multiple Scales." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-88015.

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This paper investigates the parametric resonance of electrostatically actuated MicroElectroMechanicalSystems (MEMS) cantilever resonators. The electrostatic force is modeled to include fringe effect. The MEMS consists of a cantilever over a parallel ground plate and an AC voltage between them. The actuation frequency is near first natural frequency of the cantilever beam. This leads to parametric resonance. It is of interest to investigate the amplitude frequency response of MEMS cantilever resonators. This paper uses the Homotopy Analysis Method (HAM), which is able to capture nonlinear behaviors for higher amplitudes, large parameters, and strong nonlinearities. The base method used for comparison in this work is the method of multiple scales (MMS). MMS is a perturbation method. It requires a relatively short computational time for simulations. Although the CPU time is advantageous, MMS is only accurate for weak nonlinearities and low amplitudes. It is in the interest to compare how well HAM captures the softening behavior of this system as opposed to MMS. In this paper the influences of Casimir forces and Van der Waals effects are included. Electrostatic, Van der Waals and Casimir forces are nonlinear. HAM is a deformation technique that continuously deforms the initial guess, provided to the procedure, to the exact solution. In this work the first and second order deformation equations are constructed for the equation of motion governing the behavior of the MEMS cantilever beam. In the first order deformation, HAM deviates from the solution obtained by MMS. This deviation demonstrates the power of the method to capture the softening behavior more accurately than MMS even at the 1st order deformation HAM. In the second order deformation construction, the HAM’s solution softens more than the previous, demonstrating that higher order deformation approximations result in higher accuracy. In the second order deformation, HAM contains the convergence control parameter. This parameter is chosen via the c0 curve approach. Up to 2nd order HAM deformations are evaluated for this paper. These higher order homotopy deformation solutions were developed and automated symbolically in the software Mathematica and tested numerically using Matlab software.
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Beatriz, Julio, and Dumitru I. Caruntu. "Superharmonic Resonance of Third Order of Electrostatically Actuated MEMS Circular Plates: Effect of AC Frequency on Voltage Response." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22130.

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Abstract This paper uses the Reduced Order Model (ROM) as well as the Method of Multiple Scales (MMS) in order to investigate behavior of electrostatically actuated micro-electro-mechanical systems (MEMS) circular plates under superharmonic resonance of third order. ROM is solved using two methods, the first is a continuation and bifurcation approach by using software package called AUTO 07p in order to obtain the voltage response, and the second approach is a numerical integration using the Matlab built in function ode15s for obtaining time responses of the system. Overall MMS and ROM provide similar results, especially in the lower amplitudes. These methods seem to differ at higher amplitudes. The ROM shows a second unstable branch that MMS does not have. The time responses agree with the ROM voltage response. Furthermore, the influences of different parameters such as that of the detuning parameter, and damping are investigated.
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Reyes, Christopher, and Dumitru I. Caruntu. "Voltage Response for Parametrically Actuated MEMS Cantilever Beam Using Homotopy Analysis Method and Method of Multiple Scales." In ASME 2018 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dscc2018-9012.

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The purpose of this paper is to investigate the nonlinear dynamics governing the behavior of electrostatically actuated micro electro mechanical systems (MEMS) cantilever undergoing parametric resonance. The MEMS consists of a cantilever parallel to a ground plate. The beam is actuated via an A/C voltage with excitation frequency near first natural frequency of the cantilever. The model includes damping, electrostatic, and Casimir (or van der Waals) forces. The electrostatic force is modeled to include the fringe effect. The amplitude-voltage response of the parametric resonance and the effects of varying the magnitudes of the fringe, Casimir (or Van der Waals), and damping forces along with varying the detuning parameter are reported. The response is obtained using two different methods, namely the method of multiple scales (MMS), and the homotopy analysis method (HAM). In this study approximations up to a 2nd order HAM are used. HAM is a deformation technique that begins with an initial guess and continuously deforms it to the exact answer. For the 1st Order HAM, a softening effect is reported. The 1st Order HAM matches the MMS results in low amplitude and begins to soften and deviate away from the MMS solution in higher amplitudes. For the 2nd Order HAM deformation the softening effect is slightly more pronounced with a slightly lower prediction of the maximum deflection of the cantilever tip. For the 2nd order deformation solution the stable branch of the amplitude-voltage response obtained by the HAM shifts leftward from the MMS solution with the unstable branches between the two methods continue to agree in low amplitudes and deviate in high amplitudes. As a remark, the higher order HAM solutions are obtained symbolically with the software Mathematica and numerically ran with the software Matlab.
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Caruntu, Dumitru I., and Christopher Reyes. "Amplitude-Frequency Response for Superharmonic Resonance of Fourth Order of Electrostatically Actuated MEMS Cantilever Resonators." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11198.

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Abstract This paper deals with the frequency response of superharmonic resonance of order four of electrostatically actuated MicroElectroMechanical Systems (MEMS) cantilever resonators. The MEMS structure in this work consists of a microcantilever parallel to an electrode ground plate. The MEMS resonator is elelctrostatically actuated through an AC voltage between the cantilever and the ground plate. The voltage is in the category of hard excitation. The AC frequency is near one eight of the natural frequency of the resonator. Since the electrostatic force acting on the resonator is proportional to the square of the voltage, it leads to superharmonic resonance of fourth order. Besides the electrostatic force, the system experiences damping. The damping force in this work is proportional to the velocity of the resonator, i.e. it is linear damping. Three methods are employed in this investigation. First, the Method of Multiple Scales (MMS), a perturbation method, is used predictions of the resonant regions for weak nonlinearities and small to moderate amplitudes. Second, the Homotopy Analysis Method (HAM), and third, the Reduced Order Model (ROM) method using two modes of vibration are also utilized to investigate the resonance. ROM is solved through numerical integration using Matlab in order to simulate time responses of the structure. All methods are in agreement for moderate nonlinearities and small to moderate amplitudes. This work shows that adequate MMS and HAM provide good predictions of the resonance.
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Caruntu, Dumitru I., and Christopher Reyes. "Amplitude-Frequency Response of Superharmonic Resonance of Third Order of Electrostatically Actuated MEMS Cantilever Resonators." In ASME 2019 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/dscc2019-9172.

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Abstract This work deals with amplitude frequency response of MEMS cantilever resonators undergoing superharmonic resonance of third order. The cantilever resonator is parallel to a ground plate and under alternating current (AC) voltage that excites the cantilever into vibrations. The driving frequency of the AC voltage is near one sixth of the first natural frequency of the cantilever beam resulting into superharmonic resonance of third order. The cantilever beam is modeled using Euler-Bernoulli beam theory. The electrostatic force is modeled using Palmer’s formula to include the fringe effect. In order to investigate the amplitude frequency behavior of the system reduced order models (ROMs) are developed. Three methods are used to solve these ROMs they are 1) the method of multiple scales (MMS) for ROM with one mode of vibration, 2) homotopy analysis method (HAM) for ROM with one mode of vibration, and 3) direct numerical integration for 2 modes of vibration Reduced Order Model (2T ROM) producing time responses of the tip of the cantilever resonator. In this work the limitations of MMS and HAM are highlighted when considering large voltage values i.e hard excitations. For large voltage values MMS and HAM cannot accurately predict the amplitude frequency response; the results from 2T ROM time responses disagree significantly with the MMS and HAM solutions. The effect of voltage on the frequency response is investigated. As the voltage values in the system increase the responses shift to lower frequencies and larger amplitudes.
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Reyes, Christopher, and Dumitru I. Caruntu. "Parametric Resonance of Electrostatically Actuated MEMS Cantilever Resonators Using Method of Multiple Scales and Homotopy Perturbation Method." In ASME 2017 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/dscc2017-5124.

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This paper investigates the dynamics governing the behavior of electrostatically actuated MEMS cantilever resonators. The cantilever is held parallel to a ground plate (electrode) with an AC voltage between the plate and the electrode causing the electrostatic actuation (excitation). For the purposes of this paper this is soft excitation. The frequency of the excitation is near the natural frequency of the cantilever leading to what is known as parametric resonance. The electrostatic force in the problem investigated throughout the paper is nonlinear in nature and includes the fringe effect. Two methods are used in investigating this problem: the method of multiple scales (MMS) and the homotopy perturbation method (HPM). The two methods work well for small non-linearities and small amplitudes. The influence of voltage, fringe, damping, Casimir, and Van der Waals parameters will be investigated in this paper using MMS and HPM as a means of verifying the results obtained.
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Caruntu, Dumitru I., Israel Martinez, and Martin W. Knecht. "Reduced Order Model of Electrostatically Actuated MEMS Resonators Resonance Near Half Natural Frequency." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70326.

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This paper uses the Reduced Order Model (ROM) method to investigate the influence of nonlinearities from parametric electrostatic excitation due to soft AC voltage of frequency near half natural frequency of the MEMS cantilever resonator on its frequency response. Most of the analysis in literature investigates pull-in phenomenon, stability, amplitude–frequency relations, or finds time responses of such systems. In this work it is showed that the bifurcation points in the amplitude-frequency response occur at lower frequencies and amplitudes than predicted by the Method of Multiple Scales (MMS), a perturbation method. This result is extremely important for predicting pull-in phenomena. Also the ROM predicts pull-in instability for large initial amplitudes and AC frequencies less than half natural frequency of the resonator. MMS fails to predict this behavior. Increasing the damping and/or decreasing the voltage increases the frequency at which the system undergoes into a pull-in phenomenon.
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Caruntu, Dumitru I., and Kyle N. Taylor. "Reduced Order Model of Two Coupled MEMS Parallel Cantilever Resonators Under DC and AC Voltage Near Natural Frequency." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85966.

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This paper deals with a system of two coupled parallel identical MEMS cantilever resonators and a ground plate. Alternating Current (AC) and Direct Current (DC) voltages are applied between the first resonator and ground plate, and a DC voltage applied between the resonators. The AC voltage frequency is near natural frequency of the resonators. The electrostatic forces produced by voltages are nonlinear. System equations of motion are obtained using Lagrange equations, then nondimensionalized. The Method of Multiple Scales (MMS) is used to find the steady state frequency response. The Reduced Order Model (ROM) is used to validate MMS results. Matlab is used to find cantilever frequency response of the resonator tip. The DC voltage between resonators is showed to significantly influence the response of the first resonator.
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Botello, Martin, Julio Beatriz, and Dumitru I. Caruntu. "Frequency Response for MEMS Circular Plate Resonators Under Superharmonic Resonance of the Second Order." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87823.

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A nonlinear dynamics investigation is conducted on the frequency-amplitude response of electrostatically actuated micro-electro-mechanical system (MEMS) clamped plate resonators. The Alternating Current (AC) voltage is operating in the realm of superharmonic resonance of second order. This is given by an AC frequency near one-fourth of the natural frequency of the resonator. The magnitude of the AC voltage is large enough to be considered as hard excitation. The external forces acting on the MEMS resonator are viscous air damping and electrostatic force. Two proven mathematical models are utilized to obtain a predicted frequency-amplitude response for the MEMS resonator. Method of Multiple Scales (MMS) allows the transformation of a partial differential equation of motion into zero-order and first-order problems. Hence, MMS can be directly applied to obtain the frequency-amplitude response. Reduced Order Model (ROM), based on the Galerkin procedure, uses mode shapes of vibration for undamped circular plate resonator as a basis of functions. ROM is numerically integrated using MATLAB software package to obtain time responses. Also, ROM is used to conduct a continuation and bifurcation analysis utilizing AUTO 07P software package in order to obtain the frequency-amplitude response. The time responses show the movement of the center of the MEMS circular plate as a function of time. The frequency-amplitude response allows one to observe bifurcation and pull-in instabilities within the nonlinear system over a range of frequencies. The influences of parameters (i.e. damping and voltage) are also included in this investigation.
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Reports on the topic "Systémy MMS"

1

Boser, Bernhard, and John Yasaitis. Modular Monolithic Microelectromechanical (MEMS) System Technology (M3S). Fort Belvoir, VA: Defense Technical Information Center, September 2002. http://dx.doi.org/10.21236/ada409761.

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Karter, Stanley, and Tony Ivanov. Microelectromechanical System (MEMS) Switch Test. Fort Belvoir, VA: Defense Technical Information Center, January 2011. http://dx.doi.org/10.21236/ada538269.

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Freeman, Dennis M. Computer Microvision for Microelectromechanical Systems (MEMS). Fort Belvoir, VA: Defense Technical Information Center, November 2003. http://dx.doi.org/10.21236/ada419775.

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Strawser, Richard E. Microelectromagnetic Systems (MEMS) Electrostatic Switching Technology for Microwave Systems. Fort Belvoir, VA: Defense Technical Information Center, December 2000. http://dx.doi.org/10.21236/ada388290.

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Mastrangelo, C. H. Microfabrication Techniques for Plastic Microelectromechanical Systems (MEMS). Fort Belvoir, VA: Defense Technical Information Center, July 2003. http://dx.doi.org/10.21236/ada420836.

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Boutaleb, Tewfik. B341 MoMs Hydraulic System Design & Installation. Office of Scientific and Technical Information (OSTI), June 2019. http://dx.doi.org/10.2172/1542737.

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Busta, Heinz H. MEMS Direct View Infrared Vision System (DVIR). Fort Belvoir, VA: Defense Technical Information Center, June 2001. http://dx.doi.org/10.21236/ada388262.

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Verma, S. K. Mobile Microwave Landing System (MMLS) User Interface. Fort Belvoir, VA: Defense Technical Information Center, May 1991. http://dx.doi.org/10.21236/ada237470.

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Anton Carl Greenwald. MEMS CHIP CO2 SENSOR FOR BUILDING SYSTEMS INTEGRATION. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/860161.

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Kang, Myong H., Judith N. Froscher, Brian J. Eppinger, and Ira S. Moskowitz. A Strategy for an MLS Workflow Management System. Fort Belvoir, VA: Defense Technical Information Center, January 1999. http://dx.doi.org/10.21236/ada465482.

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