335 resources related to Electromechanical devices
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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.
ECTC is the premier international conference sponsored by the IEEE Components, Packaging and Manufacturing Society. ECTC paper comprise a wide spectrum of topics, including 3D packaging, electronic components, materials, assembly, interconnections, device and system packaging, optoelectronics, reliability, and simulation.
2020 IEEE International Conference on Industrial Technology (ICIT)
ICIT focuses on industrial and manufacturing applications of electronics, controls, communications, instrumentation, and computational intelligence.
the IEEE/IEDM has been the world's main forum for reporting breakthroughs in technology, design, manufacturing, physics and the modeling of semiconductors and other electronic devices. Topics range from deep submicron CMOS transistors and memories to novel displays and imagers, from compound semiconductor materials to nanotechnology devices and architectures, from micromachined devices to smart -power technologies, etc.
The Conference focuses on all aspects of instrumentation and measurement science andtechnology research development and applications. The list of program topics includes but isnot limited to: Measurement Science & Education, Measurement Systems, Measurement DataAcquisition, Measurements of Physical Quantities, and Measurement Applications.
The IEEE Transactions on Advanced Packaging has its focus on the modeling, design, and analysis of advanced electronic, photonic, sensors, and MEMS packaging.
The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.
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.
IEEE Antennas and Wireless Propagation Letters (AWP Letters) will be devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation.
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
IEEE Antennas and Propagation Magazine, 2010
Panel-setting errors associated with a segmented primary reflector limit the electrical performance of the antenna. This paper addresses the influence of panel-setting errors on the electrical performance, in order to determine realistic error budgets, and to adjust the reflector-surface accuracy for such antennas. From the viewpoint of electromechanical coupling, an approximate expression for the error-transformation matrix (ETM) between the panel-setting ...
1974 IEEE International Solid-State Circuits Conference. Digest of Technical Papers, 1974
Proceedings of the IRE, 1962
Relays and switches are among the most important components in the general area of electromechanical devices. Both of these have been in use for many years and continue, in modem form, to be essential elements in many modem switching applications including electronic systems. Early forms of relays were simple and controlled a single contact. Telephony created the need for more ...
Proceedings II Workshop on Cybernetic Vision, 1996
We have developed a computer-based method for measuring the speed of human visual depth perception (stereolatency). Since it needs only a personal computer and special glasses, our method is easier to use than other techniques, which require electromechanical devices. We have tested 25 normal subjects and have found a mean stereolatency of 258.3 ms, which is similar to that reported ...
Ocean 72 - IEEE International Conference on Engineering in the Ocean Environment, 1972
Two prototype solid-state switching devices and a multiplexer system were designed, fabricated, and successfully tested to demonstrate the use of solid- state devices under hydrostatic pressure cycling to 13,500 psi. The two switching devices were designed to use 24-Vdc voltages in controlling the application of 120-Vdc supply voltages, with a steady-state current of 10 A and surge currents of 100 ...
Kurt Petersen: 2019 IEEE Medal of Honor Recipient
IEEE PES Awards 2020: IEEE PES Cyril Veinott Electromechanical Energy Award
IMS 2011 Microapps - Volume Manufacturing Trends for Automotive Radar Devices
IEEE Life Sciences: Wearable Medical Devices Advancing bioengineering
Analog Devices SP4T RF MEMS Switch with Integrated Driver Circuitry for RF Instrumentation: MicroApps 2015 - Analog Devices
IEEE @ SXSW 2015 - Extreme Bionics: The End of Disability
Prototyping MIMO Systems with the AD9361: MicroApps 2015 - Analog Devices
802.19: Wireless Coexistence
Radiated Performance Assessment of Wireless Communications Devices - An Operator's Perspective
EDA Challenges in Designing Computing Systems with postCMOS Devices - IEEE Rebooting Computing 2017
A Unified Hardware/Software Co-Design Framework for Neuromorphic Computing Devices and Applications - IEEE Rebooting Computing 2017
APEC 2015: KeyTalks - How to Optimize Performance and Reliability of GaN Power Devices
802.15: Wireless Personal Area Network
IMS 2012 Special Sessions: The Evolution of Some Key Active and Passive Microwave Components - E. C. Niehenke
Evaluating Over-The-Air Performance of MIMO Wireless Devices
Mobile Internet Devices at Intel
Vint Cerf: A Globecom 2019 Keynote
Security and Privacy in a World of Connected Devices
The Long Term Reliability of Gallium Nitride
Panel-setting errors associated with a segmented primary reflector limit the electrical performance of the antenna. This paper addresses the influence of panel-setting errors on the electrical performance, in order to determine realistic error budgets, and to adjust the reflector-surface accuracy for such antennas. From the viewpoint of electromechanical coupling, an approximate expression for the error-transformation matrix (ETM) between the panel-setting errors and the aperture errors is derived. By comparing the numerical simulations with experimental results, it is found that the error in the error-transformation matrix is less than 11%. Based on the error- transformation matrix, the surface accuracy is adjusted by optimizing the panel-adjustment value. The numerical simulations showed that the results may be applied to antennas with realistic panel schemes, for prediction of their electrical performance and surface adjustment.
Relays and switches are among the most important components in the general area of electromechanical devices. Both of these have been in use for many years and continue, in modem form, to be essential elements in many modem switching applications including electronic systems. Early forms of relays were simple and controlled a single contact. Telephony created the need for more complex forms of relays and switches early in its history, and has continued ever since to require advances. Switching functions such as counting, registration, translation, etc., are accomplished by relays and switches. The most difficult and complex switching functions arise from centralized or common control types of automatic control systems including telephone central offices and computers. These are often referred to as the "brains" of the system. Modem trends in relays and switches are in miniaturization, hermetic sealing, improved reliability in the presence of shock and vibration and in higher operating speeds. Glass-enclosed contacts of the "dry reed" and mercury types have had an important part in achieving better performance. Another important trend is for them to become competitive, compatible and combinational with solidstate switching devices and systems as illustrated by the ferreed. Research is continuing actively with miniaturized relays, piezoelectric relays, glass-enclosed contact relays, higher-speed relays, transistor-operated relays and combinational devices such as the ferreed. One form of ferreed will operate from a 5 μsec pulse and remain operated until released by a similar pulse.
We have developed a computer-based method for measuring the speed of human visual depth perception (stereolatency). Since it needs only a personal computer and special glasses, our method is easier to use than other techniques, which require electromechanical devices. We have tested 25 normal subjects and have found a mean stereolatency of 258.3 ms, which is similar to that reported by others with the use of such electromechanical methods. We have also identified a group of normal subjects who have stereolatencies in excess of 500 ms, who probably do not use stereoscopic vision in everyday life. Finally, the use of different experimental paradigms has provided evidence that increased environmental luminance is able to speed up stereoscopic perception. We postulate that such effect is due to an excitatory effect on retinal photoreceptors, which are brought to a level of hyperpolarization nearer the threshold for the production of afferent impulses to the visual system, resulting in faster phototransduction and shorter stereolatencies.
Two prototype solid-state switching devices and a multiplexer system were designed, fabricated, and successfully tested to demonstrate the use of solid- state devices under hydrostatic pressure cycling to 13,500 psi. The two switching devices were designed to use 24-Vdc voltages in controlling the application of 120-Vdc supply voltages, with a steady-state current of 10 A and surge currents of 100 A, to 1000-W incandescent lamps. One device, using silicon-controlled rectifiers, requires less than 0.06A and has a leakage current of about<tex>1\mu</tex>A. The second device, using power transistors, requires less than 0.13 A and has a leakage current of about<tex>4\mu</tex>A. The multiplexer provides 32 channels for control or instrumentation, but requires only four pressure-vessel penetrations. Testing of the prototype devices has demonstrated the feasibility of adapting solid-state devices for use in deep-ocean environments.
Undergraduate courses in electromechanical systems are usually oriented toward circuits representation of electrical and mechanical components of the system, being the materials reduced to the rigid body cases. However, the common use of personal computers and the availability of user friendly numerical software tools to solve partial differential equations provide the opportunity to generalize a different pedagogical approach to the distributed and lumped- parameters formulation of electromechanical systems. Besides, the use of these tools makes easy extend this modeling approach to other physical phenomena like thermal, continuum media and fluid. In this paper one underlines some guidelines to teaching continuum electromechanics in undergraduate courses. Also one shows some analogy considerations to extend the study to other physical phenomena. The paper underlines the relation between distributed and lumped-parameters systems as different approaches of the same physical reality. Some experiments for laboratory support are also proposed and discussed.
We studied the electromechanical coupling factor of an electroelastic plate from the nonlinear theory for large deformations and strong fields, in particular the effects of nonlinear elastic constants on the factor. The case of nonlinear thickness-shear deformation of an AT-cut quartz plate is calculated as an example.
This paper presents the robust shape optimization of electromechanical devices considering the uncertainties of design variables based on numerical optimization technique and finite element method (FEM). In the formulation of robust optimization, the multiobjective function is composed of the mean and the standard deviation of original objective function, while the constraints are supplemented by adding a penalty term to the original constraints. The sequential quadratic programming (SQP) is applied to solve the robust optimization problem. The results of robust shape optimization considering manufacturing errors are compared with those of conventional shape optimization.
In the paper the optimal shape design of a dc torque motor is considered. Finite element models in 2D and 3D are examined, taking into account the magnetization curves of iron and permanent magnets. A stochastic optimizer of lowest order is then applied to identify the optimal shape of the device exhibiting the minimum cost, subject to a set of geometrical and behavioural constraints. An automatic procedure is set up interfacing optimizer and field simulator; remarks about the search of the global optimum are drawn.<<ETX>>
This project provides recommended practices for the prediction and practical determination of safe distances from radio and radar transmitting antennas when using electric initiators to remotely detonate an explosive charge. Specifically, this document includes mathematical formulas, tables, and charts that allow the user to determine safe distances from RF transmitters with spectrum bands from 0.5 MHz to 300 GHz, including ...
The scope of this standard includes the following enclosed low-voltage ac power circuit breakers: a) Stationary or drawout type of two-, three-, or four-pole construction with one or more rated maximum voltages of 635 V (600 V for units incorporating fuses), 508 V, and 254 V for application on systems having nominal voltages of 600 V, 480 V, and 240 ...
Revision to incorporate both 1000V and 1200V maximum design voltage ratings. Review and revise as necessary the requirements for peak current design testing. Revise for metrification requirement.
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