227 resources related to Equipment Modelling
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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 papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE
The CDC is the premier conference dedicated to the advancement of the theory and practice of systems and control. The CDC annually brings together an international community of researchers and practitioners in the field of automatic control to discuss new research results, perspectives on future developments, and innovative applications relevant to decision making, automatic control, and related areas.
OCEANS 2020 - SINGAPORE
An OCEANS conference is a major forum for scientists, engineers, and end-users throughout the world to present and discuss the latest research results, ideas, developments, and applications in all areas of oceanic science and engineering. Each conference has a specific theme chosen by the conference technical program committee. All papers presented at the conference are subsequently archived in the IEEE Xplore online database. The OCEANS conference comprises a scientific program with oral and poster presentations, and a state of the art exhibition in the field of ocean engineering and marine technology. In addition, each conference can have tutorials, workshops, panel discussions, technical tours, awards ceremonies, receptions, and other professional and social activities.
To promote awareness, understanding, advancement and application of ocean engineering and marine technology. This includes all aspects of science, engineering, and technology that address research, development, and operations pertaining to all bodies of water. This includes the creation of new capabilities and technologies from concept design through prototypes, testing, and operational systems to sense, explore, understand, develop, use, and responsibly manage natural resources.
Artificial Intelligence, Control and Systems, Cyber-physical Systems, Energy and Environment, Industrial Informatics and Computational Intelligence, Robotics, Network and Communication Technologies, Power Electronics, Signal and Information Processing
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
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 ...
The IEEE Transactions on Automation Sciences and Engineering (T-ASE) publishes fundamental papers on Automation, emphasizing scientific results that advance efficiency, quality, productivity, and reliability. T-ASE encourages interdisciplinary approaches from computer science, control systems, electrical engineering, mathematics, mechanical engineering, operations research, and other fields. We welcome results relevant to industries such as agriculture, biotechnology, healthcare, home automation, maintenance, manufacturing, pharmaceuticals, retail, ...
IEEE Conference on Nuclear Science Symposium and Medical Imaging, 1992
In small position-sensitive bar-detectors, multiple internal reflection and the edge effect of scintillation light cause excessive light spread and lead to poor intrinsic spatial resolution. Surface treatment techniques have been used to limit light spread inside detectors and improve resolution performance. Since it is costly and time-consuming to build NaI(Tl) detectors to test for each variation of surface treatment, a ...
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136), 1997
Most of the tools that are used in performing manipulation tasks in laparoscopic surgery are graspers and needle drivers. Although the operation of such basic tools is rather simple, their combination with remote access to the surgical site and an indirect field of view makes the usage of such mechanisms challenging. This means that surgeons have to undergo a series ...
Proceedings of International Solid State Sensors and Actuators Conference (Transducers '97), 1997
We describe a comprehensive methodology for setting up physical-based, consistent full system models for economic and accurate numerical simulation of microsystems. In this approach, the microsystem is partitioned into so- called lumped elements, which interact with each other as constituent parts of a Kirchhoffian network. For each, a compact model with only a few degrees of freedom is formulated. This ...
2009 International Conference on Information Engineering and Computer Science, 2009
Due to the ignorance of the instability of hydraulic cartridge sequence valve and the resulting accidents, this paper presents stability analysis of the cartridge sequence valve. First, the operation of the valve was illustrated, then a theoretical analysis was given, and simulation under AMESim environment was carried out, hence the variations of the control variables during the dynamic process were ...
1994 IEEE MTT-S International Microwave Symposium Digest (Cat. No.94CH3389-4), 1994
An analytical model for optical intensity modulators has been extended to account for both linear and quadratic electro-optic effects. This model has been effectively utilized to simulate harmonics, compression, and intermodulation distortion within fiber optic links using modulators based on quadratic electro-optic effects such as the quantum confined Stark effect. The derivations, simulations, and calculations included in this paper are ...
MicroApps: Different Methods for Capacitor Modelling in High-Frequency PCB-Based Diplexers (National Instruments)
Brooklyn 5G - 2015 - Mr. Mikael Hook - Bringing Massive MIMO to Reality
Micro-Apps 2013: Creating and Analyzing Multi-Emitter Environment Test Signals with COTS Equipment
International Broadcast Conference(IBC) News: Segment 4
Technical Tours: Eaton
IEEE Day Milestone: Volta Awakens in the Modern Age
IEEE Standards Association: A World Without Standards - Lights Out
A Flexible Testbed for 5G Waveform Generation and Analysis: MicroApps 2015 - Keysight Technologies
Penetrating Conductors - EMC Society Demo
Seven (Small) Steps to Protecting Big Trade Secrets and Confidential Information, Part 2 - IEEE USA
Innovative Transmission Line Measurement and Characterization Reduce Time to Repair for Complex Communication Systems: MicroApps 2015 - Keysight Technologies
AM37x Sitara EVM Demonstration
Mayo Clinic Motion Lab
IEEE Entrepreneurship @ Hello Tomorrow Global Summit: Brill Power
MIRAI Program and the New Super-high Field NMR Initiative in Japan - Applied Superconductivity Conference 2018
Lunar Industrialization: The First Step to the Solar System
IEEE Standard 1680: An Incentive to Design Greener Computers
Care Innovations: WEEE and RoHs(e-waste recycling and disposal)
In small position-sensitive bar-detectors, multiple internal reflection and the edge effect of scintillation light cause excessive light spread and lead to poor intrinsic spatial resolution. Surface treatment techniques have been used to limit light spread inside detectors and improve resolution performance. Since it is costly and time-consuming to build NaI(Tl) detectors to test for each variation of surface treatment, a practical model to predict the potential effectiveness of each technique could help guide detector design. An empirical model has been developed to evaluate the potential of different surface treatment techniques. In this model, a Lucite bar and a light-emitting diode are used to simulate light propagation and refraction in an NaI(Tl) bar-detector. Light sensors were suspended above the exit window with a small air gap for spatial recording of light refracted from the bar. A three-sided transverse sanded surface turned out to be the best compromise between light spread and light output among the nine different combinations of surface treatments evaluated. These results were later confirmed by experiments on NaI(Tl) bar-detectors.<<ETX>>
Most of the tools that are used in performing manipulation tasks in laparoscopic surgery are graspers and needle drivers. Although the operation of such basic tools is rather simple, their combination with remote access to the surgical site and an indirect field of view makes the usage of such mechanisms challenging. This means that surgeons have to undergo a series of training sessions in order to gain proper hand/eye coordination. In addition, due to the structure of these mechanisms, the sense of touch has been reduced to a minimum. One challenge of research and development has been to design a force-reflective grasper that can reflect the sense of touch back into the handle. In addition, considerable efforts are being focused on developing a virtual laparoscopic trainer where the sense of touch in manipulating virtual tissues and organs can be reflected back to the hand of the surgeon through the proper design of haptic interfaces. This paper presents force propagation models which can be used in the modelling, design and interpretation of the force sensing system and reflecting devices. The proposed models agree with the experimental observation previously published in the literature for describing the relationships between the magnitude of the grasping force and the applied force at the handle.
We describe a comprehensive methodology for setting up physical-based, consistent full system models for economic and accurate numerical simulation of microsystems. In this approach, the microsystem is partitioned into so- called lumped elements, which interact with each other as constituent parts of a Kirchhoffian network. For each, a compact model with only a few degrees of freedom is formulated. This is achieved by using a flux-conserving discretization of the system of balance equations governing the flow of the relevant physical quantities such as volume, charge, mass, and heat caused by the respective driving forces which, in continuum theory, are the gradients of the spatial distributions of pressure, voltage, chemical potentials, and temperature. In this sense, Kirchhoffian network theory is the discrete counterpart of continuum transport theory and relies on the same basic physical conservation laws as described by the principles of irreversible thermodynamics. The adequate formal representation of the system description is provided by VHDL-AMS (Analog Hardware Description Language), which is used to code the models of the individual system components as well as to assemble the full system by linking the constituent parts. The general principles underlying our approach are exemplified with reference to an electrofluidic micropump macromodel.
Due to the ignorance of the instability of hydraulic cartridge sequence valve and the resulting accidents, this paper presents stability analysis of the cartridge sequence valve. First, the operation of the valve was illustrated, then a theoretical analysis was given, and simulation under AMESim environment was carried out, hence the variations of the control variables during the dynamic process were discussed in detail, finally, experiments were done which validated the simulation results.
An analytical model for optical intensity modulators has been extended to account for both linear and quadratic electro-optic effects. This model has been effectively utilized to simulate harmonics, compression, and intermodulation distortion within fiber optic links using modulators based on quadratic electro-optic effects such as the quantum confined Stark effect. The derivations, simulations, and calculations included in this paper are an important step in understanding the nonlinear properties of quadratic electro- optic modulators for communications and video applications.<<ETX>>
A novel system identification technique is suggested that provides analog models of analog systems based on sampled data and is applicable to any stable system. It has been applied to the development of moderate-order (greater than two and less than infinity) models of long catheters. The technique can be applied to either empirical data or theoretically derived transfer functions.<<ETX>>
A computer-based multi-train AC simulator is developed. This general software package, written in Fortran 77, can be used for studying power consumption and train performance in single phase AC supplied railways. The simulator is constructed with full consideration of accuracy of traction equipment modelling and flexibility and efficiency of multi-train simulation. The developed simulator is used to study a proposal for a suburban railway application with a single power feeding source, applied to a 30 km section of double track. With 12 trains operating on this system, with a one second update, the simulation time for a eight minute headway operation was less than 7.5 minutes.<<ETX>>
A control strategy of two stage twin spool servovalves in the load-sensing mobile applications is presented. The twin spool valve differs from the conventional valve in that it provides the ability to control flow into and out of valves independently. In this paper, the nonlinear valve model and a control scheme for a two stage twin spool servo-valve are developed featuring energy saving. The multiple sliding surface mode control method is then utilized to accomplish the motion control while regulating back pressure. The simulation verifies that the proposed control scheme for the twin spool valve, can offer the more significant energy-saving even with load-sensing pump application than the traditional proportional valves.
As semiconductor device bandwidth, speed, functionality and resolution continue to climb, it becomes more obvious that the whole test system must be optimized to achieve the highest yields at the lowest cost per device and insertion. The overall system performance depends not only on the automated test equipment (ATE), but equally on the on the interfacing between the ATE, the device under test (DUT) and the IC handling equipment. Everything must interface properly and predictable, both electrically and mechanically. If any single part of the system produces nonrepeatable results, then the measurements taken on the device will not be repeatable. Because of the high visibility of capital, many organizations and their test engineers underestimate the contributions from the relatively inexpensive pieces to the test puzzle, specifically the contactor, the load board, and the mechanical interfacing between the ATE and handler (docking). This paper will provide a framework for understanding the relationships between the elements, demonstrating the importance of the DUT interface, and will present an engineering approach to maximizing yield through optimizing the whole system. Detailed examples will follow, showing how this approach is applied to the critical interface parts of the system. The significant benefits to be gained by using modeling and simulation will be discussed. Numerous examples of the successful correlation of modeled and measured data will be presented. The combined efforts of modeling and measurement will show details such as device package tolerances, lead or pad plating or how long a device sits in production before testing can impact test yields and costs. Modeling will also be shown to help reduce costly board redesigns, obtain true device performance, calibrate the system, and ensure repeatability of measurements taken in production. This paper will conclude by showing how RF bandwidth, signal integrity, and grounding can be improved by choosing the correct materials for items such as contactors and load boards. In addition, data will be shown that optimizing the load board and contactor can allow devices to be retested more quickly and more accurately, thus improving first pass yields and reducing the need for retesting failed devices in production.
This paper presents a complete model of four radial DOF self-sensing magnetic bearing systems which includes all interactions between the different degrees of freedom. A method for controlling self-sensing magnetic bearings with unbalance compensation is also presented. The method uses the Q-parameterisation theory. The Q-parameterization controller is an observer- based stabilizing controller with a free parameter Q, which makes it suitable for robust control of self-sensing magnetic bearings. The free parameter and can be chosen through optimization to achieve robustness, noise minimization and to compensate for the unbalance forces. We give a complete four radial DOF mathematical model of the self-sensing magnetic bearing in state space form. We explain the Q-parameterisation controller design of the self-sensing magnetic bearing. Unbalance compensation is achieved by airgap regulation, current regulation and force regulation (automatic balancing), by a suitable choice of Q. The control problem is formulated as an optimization problem in the free parameter and whose constraints are sensor noise, actuator noise and unbalance sinusoidal disturbance rejection. The obtained controllers have 24 states for the current and airgap regulation designs and 20 states for the force regulation design. Finally, several simulations were obtained to evaluate the proposed controller. The results obtained showed that both robust stability and unbalance compensation are achieved.
This standard will define the test program set data embodied in a number of ASCII files for stimulus, response, and diagnostics of digital systems for use on digital Automatic Test Systems.
Research, compile, and consolidate information leading to the publication of a standard for exchanging DSRC information, providing for bi-directional message transmission and device control, in a manner which is compatible with but independent of the ASTM efforts to specify DSRC Layers 1 and 2. This will entail specifying the transponder resources, the transponder resource manager, the application message sets, and ...