Coupled mode analysis
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The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted full papers will be peer reviewed. Accepted high quality papers will be presented in oral and poster sessions,will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE.
2021 IEEE Photovoltaic Specialists Conference (PVSC)
Photovoltaic materials, devices, systems and related science and technology
The International Conference on Robotics and Automation (ICRA) is the IEEE Robotics and Automation Society’s biggest conference and one of the leading international forums for robotics researchers to present their work.
All areas of ionizing radiation detection - detectors, signal processing, analysis of results, PET development, PET results, medical imaging using ionizing radiation
IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.
The IEEE Transactions on Advanced Packaging has its focus on the modeling, design, and analysis of advanced electronic, photonic, sensors, and MEMS packaging.
Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
1990 IEEE International Magnetics Conference (INTERMAG), 1990
1994 Proceedings of IEEE Ultrasonics Symposium, 1994
The design of highly selective moderate insertion loss SAW SPUDT filters with flat group delay and low time spurious response is quite challenging. Both the transduction and reflection functions must be spatially varying and accurately designed and implemented to achieve good shape factors along with low triple transit spurs. We present an approximate solution to the coupled mode equations describing ...
Proceedings of the Twenty Third National Radio Science Conference (NRSC'2006), 2006
Transverse coupling between single mode fiber and single mode planar waveguide is analyzed for the first time-to the authors' knowledge-by an improved coupled mode theory (ICMT). The coupling is established via the evanescent part of the modal field propagating in the fiber which penetrates the slab waveguide. The main parameters that characterize the coupling process are calculated. A comparison between ...
Proceedings. 2005 International Conference Physics and Control, 2005., 2005
This paper presents a new robust dynamic congestion control for a network of control systems. Due to an intensive flow of information/data between sensors, decision makers and actuators in the network, synchronization and planning of information/data arrivals, departures, updates and optimal resource allocations take on a significant degree of importance. Sliding mode based variable structure techniques provide robust solutions for ...
Sixth International Conference on Electrical Machines and Systems, 2003. ICEMS 2003., 2003
A complete model of field-circuit coupled for time-stepping finite element analysis is presented in this paper, which is used in analyzing self-start permanent magnet synchronous motors (PMSM). Four technology are discussed: how to build difference equation, how to deal with the rotator movement, how to take account of the PM, and how to decrease the torque's calculate error based on ...
KeyTalk with Vatche Vorperian: A Historical Perspective of the Development of the PWM Switch Model - APEC 2017
IMS 2012 Microapps - Electrical Thermal Coupled Solutions for Flip Chip Designs
APEC 2012 - Dr. Fred Lee Plenary
A Transformer-Based Inverted Complementary Cross-Coupled VCO with a 193.3dBc/Hz FoM and 13kHz 1/f3 Noise Corner: RFIC Interactive Forum
Microwave PCB Structure Selection Microstrip vs. Grounded Coplanar Waveguide: MicroApps 2015 - Rogers Corporation
ASC-2014 SQUIDs 50th Anniversary: 2 of 6 - John Clarke - The Ubiquitous SQUID
Envelope Tracking and Energy Recovery Concepts for RF Switch-mode Power Amplifiers
IMS 2011 Microapps - A Practical Approach to Verifying RFICs with Fast Mismatch Analysis
IMS MicroApps: Multi-Rate Harmonic Balance Analysis
Radiated Emissions as Function of Common Mode Current - EMC Society Demo
IMS 2011 Microapps - Yield Analysis During EM Simulation
IMS 2012 Microapps - Improve Microwave Circuit Design Flow Through Passive Model Yield and Sensitivity Analysis
IMS 2014: Broadband Continuous-mode Power Amplifiers
ASC-2014 SQUIDs 50th Anniversary: 6 of 6 - Kent Irwin - SQUIDs as detectors for cosmology
Similarity and Fuzzy Logic in Cluster Analysis
New Approach of Vehicle Electrification: Analysis of Performance and Implementation Issue
A Flexible Testbed for 5G Waveform Generation and Analysis: MicroApps 2015 - Keysight Technologies
IMS 2011 Microapps - Remcom's XFdtd and Wireless InSite: Advanced Tools for Advanced Communication Systems Analysis
Resistive Coupled VO2 Oscillators for Image Recognition - Elisabetta Corti - ICRC 2018
The design of highly selective moderate insertion loss SAW SPUDT filters with flat group delay and low time spurious response is quite challenging. Both the transduction and reflection functions must be spatially varying and accurately designed and implemented to achieve good shape factors along with low triple transit spurs. We present an approximate solution to the coupled mode equations describing a SAW transducer which is valid for both spatially varying transduction and reflection. Next we show how to invert this approximate solution to design the required transaction and reflection functions. The actual implementation is a weighted DART structure in which we obtain continuous spatial control over the reflectivity by varying the reflector dot density in the DART. The physical implementation has a significant impact on performance. We explore filters with apodized, apodized/withdrawal and withdrawal weighted transducers. We also investigate weighting only one transducer as well as both in order to obtain the best performance in the presence of second order effects such as diffraction. Experimental results for flat topped sharp cut-off filters on both quartz and 112° lithium tantalate are presented The quartz devices are 1 MHz and 2.5 MHz bandpass filters centered near 180 MHz. The 2.5 MHz filter has a shape factor better than 1.3:1, exhibits less than 30 nsec of group delay variation across the passband and possesses less than 14 dB insertion loss. The lithium tantalate device has a 5 MHz passband centered near 185 MHz and exhibits similar performance, 40 nsec of group delay variation, better than a 1.4:1 shape factor and less than 12.5 dB insertion loss
Transverse coupling between single mode fiber and single mode planar waveguide is analyzed for the first time-to the authors' knowledge-by an improved coupled mode theory (ICMT). The coupling is established via the evanescent part of the modal field propagating in the fiber which penetrates the slab waveguide. The main parameters that characterize the coupling process are calculated. A comparison between the results of the ICMT and those obtained by the usual coupled mode theory reveals an improvement in the accuracy by almost twenty percent
This paper presents a new robust dynamic congestion control for a network of control systems. Due to an intensive flow of information/data between sensors, decision makers and actuators in the network, synchronization and planning of information/data arrivals, departures, updates and optimal resource allocations take on a significant degree of importance. Sliding mode based variable structure techniques provide robust solutions for complex, nonlinear and strongly coupled control problems and are well-known for their rich analysis and design methodologies. Among the number of possible variable structure algorithms, the proposed controller in this paper is based on the Fliess's approach known as the generalized variable structure (GVS). Introduced recently, this new variable structure approach is designed in the context of differential algebra. Containing principally the derivative of the input, the new observable canonical form is used for design of the controller. Thereby facilitating the main benefit of this algorithm as far as reducing the correspondingly known chattering phenomena that is the main drawback in standard variable structure control (VSC) techniques.
A complete model of field-circuit coupled for time-stepping finite element analysis is presented in this paper, which is used in analyzing self-start permanent magnet synchronous motors (PMSM). Four technology are discussed: how to build difference equation, how to deal with the rotator movement, how to take account of the PM, and how to decrease the torque's calculate error based on the field. Using this model, the transient starting performance and the torque shake in the steady state are analyzed.
The new coplanar waveguide (CPW) bandpass filter with an asymmetric structure is proposed. The proposed filter is designed based on TEM analysis technique. It has quarter wavelength CPW couplers so that the physical dimension and radiation loss can be improved. A compact three-pole bandpass filter is designed and fabricated to prove the validity of the design method. The measured results show good agreement with the simulated characteristics.
A method of calculation of the inductances of an induction machine is proposed. The skewing of the rotor bars of the machine and the resultant linear rise of MMF across the slot, together with the nonsinusoidal distribution of the stator winding are taken into account. The method is based on the winding function approach, which allows for all harmonics of the MMF to be taken into account. The results obtained by the proposed method have been compared with those obtained by a conventional manner, which take into account the above phenomena by means of scale factors applied to the harmonics. A very good agreement between them is demonstrated.
Coupling-of-modes (COM) model is known to be very accurate and easy to use for the design of narrow band SAW filters and resonators. The use of the model is so successful that there is a temptation to expand the application of the model to other types of SAW,like leaky SAW, and to use it for the design of relatively wide band devices. Thus it is desirable to modify the COM model so that it gives acceptable results for wide band devices based on the use of leaky waves, while keeping the skeleton of the COM model unchanged. When applied directly to leaky wave, 3 to 5% bandwidth resonator filters, standard COM model has the following drawbacks: The dispersion, (i.e. the frequency dependence of the reflectivity, velocity changes and other COM parameters) must be taken into account; It doesn't take into account the increase of attenuation at frequencies higher than the stopband due to the scattering into the bulk waves; The generation of bulk waves, which occurs also at frequencies slightly higher than the stopband, results in an additional loss mechanism. In the present work we propose simple analytical expressions for the three above mentioned effects, as terms to be added to the COM model to improve the agreement between theory and the measured curves. Comparisons between this &ldquo;patched&rdquo; COM model and wideband devices on LiNbO<sub>3</sub> show improved agreement
This paper proposes a vector control method for the synchronous reluctance motor (SynRM) which selects appropriate stator d,q-axis current component combination (flux current, torque current) so that the influence of iron core loss on the developed torque can be minimized in torque control. A coupled finite element analysis and Preisach's modeling for SynRM is presented to verify the propriety of the proposed method and a characteristics analysis is performed under the effects of saturation and iron loss. Both computer simulation and experimental results show the propriety of the proposed method.
his standard revises and enhances the VHDL language reference manual (LRM) by including a standard C language interface specification; specifications from previously separate, but related, standards IEEE Std 1164 -1993,1 IEEE Std 1076.2 -1996, and IEEE Std 1076.3-1997; and general language enhancements in the areas of design and verification of electronic systems.
This guide provides recommendations for loading mineral-oil-immersed transformers and voltage regulators with insulation systems rated for a 65°C average winding temperature rise at rated load. This guide applies to transformers manufactured in accordance with IEEE C57.12.00 and tested in accordance with IEEE C57.12.90, and voltage regulators manufactured and tested in accordance with C57.15. Because a substantial population of transformers and ...
This standard is part of a proposed set of standards for Distributed Interactive Simulation (DIS) applications. Each standard in the proposed set describes one or more of the several elements that constitute the DIS environment. As a whole, the set of standards will define an interoperable simulated battle environment. This particular standard addresses the exercise control and feedback stations connected ...
This recommended practice describes the conduct and analysis of precision tests that are to be performed on linear accelerometers using centrifuge techniques. The term ﾓprecision,ﾔ in this context, refers to tests that are conducted to evaluate accelerometer parameters, as opposed to tests conducted to establish environmental survivability only. Evaluation may take the form of determining the coefficients of the accelerometerﾒs ...