报告题目：Robust Sensor Fault Detection and Isolation in Cyber-Physical Systems. 报告人：Prof. Marios M. Polycarpou（Past-President, IEEE Computational Intelligence Society，Director, KIOS Research Center for Intelligent Systems and Networks，Department of Electrical and Computer Engineering，University of Cyprus，Cyprus）. 报告时间：2015年3月17日10：00. 报告地点：学院报告厅（望江校区基础教学大楼B302）. 报告内容：Recent advances in information and communication technologies, embedded systems and sensor networks have generated significant research activity in the development of cyber-physical systems, where a large amount of sensor data is collected and processed in real-time in order to achieve smooth and efficient operation of the underlying system. The current trend is towards larger and larger sensor data sets, leading to so called big data environments. However, in situations where faults arise in one or more of the sensing devices, this may ...

0055] The misfire module 238 may generate misfire information based on the crankshaft position signal 206, the engine speed signal 210, and/or the acceleration signal 214. The misfire information is collectively illustrated by 246. The combustion information 244 and/or misfire information 246 may be used, for example, to adjust fueling and/or timing, spark timing, opening of the throttle valve 106, intake and/or exhaust valve actuation, and/or one or more other engine operating parameters. For example only, the fuel control module 218, the ignition control module 222, the throttle control module 226, and the valve control module 230 may generate signals 250, 254, 258, and 262 provided to the fuel actuator module 112, the spark actuator module 124, the throttle actuator module 108, and the phaser actuator module 130, respectively, based on the combustion information 244, the misfire information 246, and/or other information. The valve control module 230 may also generate a signal 266 based on the ...

DC trolley haulage systems move personnel supplies, and coal in approximately 50 U.S. mines. A suspended trolley line energized at 300 or 600 V dc provides electrical power, and a system of steel track serves as the return path. When roof falls and other events force the trolley line down near the ground return rail, inductance inherent in the trolley system facilitates continued current flow along an ionized path between the line and rail. This releases a significant amount of energy in the arc and may damage and/or ignite surrounding material. Conventional circuit breaker systems cannot prevent this continued arcing because the magnitudes of the currents involved may be significantly less that typical breaker trip settings. In 1980, the former U.S. Bureau of Mines demonstrated research to detect arcing and other types of trolley faults. The system required an oscillator to superimpose a 3-kHz signal in the trolley line, a signal wire suspended parallel to the trolley line fore circuit breaker ...

In this paper, a generalized theory is developed to detect eccentricity fault in synchronous machines. This theory is independent of synchronous machines c

Please Note, The ebooks are not always PDF format, you might receive epub/kindle formats after purchase. This is Digital Version of (Ebook) 978-1

Technavio market research analysts forecast the global bench-top autoclave market to grow at a CAGR of close to 7% during the forecast period, accordi

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This paper presents the design of a sliding mode variable structureobserver, which is used for the fault detection and isolation ofsensors and actuators in uncertain nonlinear systems.

INTEGRATED CIRCUITS DATA SHEET TDA8024 IC card interface Product specification Supersedes data of 2003 Aug 19 2004 July 12 Philips Semiconductors Product specification IC card interface TDA8024 CONTENTS 1 FEATURES 2 APPLICATIONS 3 GENERAL DESCRIPTION 4 ORDERING INFORMATION 5 QUICK REFERENCE DATA 6 BLOCK DIAGRAM 7 PINNING 8 FUNCTIONAL DESCRIPTION 8.1 8.2 8.2.1 Power supply Voltage supervisor Without external divider on pin PORADJ (or with TDA8024AT) With an external divider on pin PORADJ (not for the TDA8024AT) Application examples Clock circuitry I/O transceivers Inactive mode Activation sequence Active mode Deactivation sequence VCC generator Fault detection 8.2.2 8.2.3 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 2004 July 12 9 LIMITING VALUES 10 HANDLING 11 THERMAL CHARACTERISTICS 12 CHARACTERISTICS 13 APPLICATION INFORMATION 14 PACKAGE OUTLINES 15 SOLDERING 15.1 Introduction to soldering surface mount packages Reflow soldering Wave soldering Manual soldering Suitability of surface mount IC packages for ...

We propose a new approach, namely Optimized Embedded Signature Monitoring (OESM) to perform on-line control-flow fault detection. The underlined advantage

This paper addresses the problem of root cause analysis (RCA) of actuator fault. By considering an actuator as an individual dynamic subsystem connected with process dynamic subsystem in cascade, an interconnected system is then constituted. The fault detection and diagnosis (FDD) algorithm is carried out in actuator subsystem and aims at identifying the root causes of actuator faults. According to real plant, outputs of the actuator subsystem are assumed inaccessible and are reconstructed by measurements of the global system, thus providing a means of monitoring and diagnosis of the plant at both local and global level ...

Orlando, Fla., September 7, 2011 - Siemens Energy, together with A&N Electric Cooperative and RuggedCom, Inc., has successfully deployed an ultra high-speed distribution feeder automation system that improves service reliability for the only hospital serving the eastern shore of Virginia, Riverside Shore Memorial Hospital in Nassowadox, Virginia.. The combined smart grid DFA solution allows for optimized fault detection, isolation and restoration, minimizing the extent of power outages by quickly isolating affected areas.. The Siemens distribution feeder automation-decentralized (SDFA-DC) system achieves high-speed operation by detecting faults using Siemens SIPROTEC protective relays located at each feeder section point - continuously comparing upstream and downstream line current conditions.. When a comparison reveals a differential exceeding predefined parameters, the affected relay issues a fault notification to all other relays in the system. The relays then direct switching devices to ...

TSMC has developed Precise Fault Detection and Classification system, Intelligent Advanced Equipment Control and Intelligent Advanced Process Control to monitor the manufacturing process in a timely manner and adjust conditions precisely. To satisfy advanced and accurate process control and ensure highly efficient and effective production, the Company has created Precision Equipment Matching and Yield Mining to minimize process variation and potential yield loss. The Company has further developed Big Data, Machine Learning, and Artificial Intelligence architecture to identify critical variables to optimize yield management and operating efficiency to fulfill customers special process requirements and to cope with diversified product demand simultaneously ...

In using Automotive CAM systems, fault detection is made easy on the production line, and the same can be eliminated immediately. Traditionally, car manufacturers would have had to take parts away for testing. They would have only been able to test small sections of large batches, meaning there was always the risk of something going wrong elsewhere. Regional Analysis For Computer Aided Manufacturing Market: North America, Latin America, Asia-Pacific, Africa, and Europe and others have been studied at length based on various parameters of businesses such as type, size, application, and end-users. The global Computer Aided Manufacturing Market is presented for niche reading. The report presents portfolios of different strategies and the best practices governing businesses. Some applicable sales methodologies have been included in this research report, that could influence business output. Enquire For Discount: ...

graduate at Electric Engineering from the Universidade Federal de Minas Gerais in 1987, masters at Electric Engineering from the Federal University of Minas Gerais in 1989 and ph.d. at Electric Engineering from the University of Campinas in 1997. He is currently an Associate Professor at the Department of Electronics Engineering at Federal University of Minas Gerais, Belo Horizonte, Brazil. His research interests include computational intelligence and fault detection in dynamic systems ...

On July 23rd, Fernando Diaz, MS student in EMAN group defended his MS thesis. He presented a new methodology for detection of anomalies in the cardiovascular system. A lumped parameter model of the cardiovascular system has been considered and restructured using a hybrid systems approach in order to include a discrete input vector that represents the influence of the mitral and aortic valves in the dierent phases of the cardiac cycle. Parting from this model, a Taylor expansion around the nominal values of a vector of parameters is conducted. This expansion serves as the foundation for a component fault detection process to detect changes in the physiological parameters of the cardiovascular system which could be associated with cardiovascular anomalies such as atherosclerosis, aneurysm, high blood pressure, etc. An Extended Kalman Filter is used in order to achieve a joint estimation of the state vector and the changes in the considered parameters. Finally, a bank of lters is used in order to ...

FA-N Electronic Auto-calibration Analytical Balance 200G/0.1MG. Characteristics:. 1,Novel structure, downy LCD backlit, convenient operation, superior performance. 2,Auto fault detection, and to ensure the safe use of the product. 3,As solenoid style weighing transducer, and to ensure the products of precise and accurate weighting degree. 4,Built-in RS232 output interface, and was able to connect with computer, printer and other external coupled device. 5,Products with count, percentage, unit conversion, below weighing and various applications. 6,Auto-calibration. With outside adjust poise, pressing CAL key to calibrate the balance automatically. 7,Press the key TARE to tare the load in full range. ...

Continuously monitoring key vehicle systems such as the hoist, crowd, and swing, the AMS 6500 exposes elevating machinery stress with a patented signal processing approach and surfaces real problems to your staff for corrective action. This technology is so effective at early fault detection, Joy Global offers the AMS 6500 as a standard, value-added option to Customers of new P&H electric rope shovels. Additionally, by utilizing the AMS Machinery Manager software, your maintenance staff can gain a heightened view of emerging problem areas with integrated vibration, thermography, and oil analysis information. Online, remote monitoring eliminates the need for staff to perform manual data collection on moving machinery and minimizes their trips to the pit.. ...

General methods of product failure evaluation give powerful tools in product improvement. Such methods, discussed in the book, include practical risk analysis, failure mode and effect analysis, preliminary hazard analysis, progressive failure analysis, fault tree analysis, mean time between failures, Wohler curves, finite element analysis, cohesive zone model, crack propagation kinetics, time-temperature collectives, quantitative characterization of fatigue damage, and fracture maps.

CAE Piping offers Consulting Services in Failure Analysis of piping systems: Performing Structural and failure anlayses on mechanical components and industrial piping systems and pipelines.

The Reliability and Failure Analysis Lab has developed a method for characterizing E-glass composite materials with fiber distortion. Manufacturing methods were developed to produce quality samples. The material used was a pre-impregnated fiberglass, epoxy-phenolic matrix, composite material. This basically means the resin must undergo a thermal process to attain its final strength.. Each sample was created by cutting strips of the pre-preg tape from a large roll to a desired length. The material was then sorted by aligning the tracer fibers of the material and consolidating every 10 layers under a vacuum. The final laminate was composed of 110 layers of the e-glass epoxy material with an inserted defect. After consolidation was finished the pre-processed laminate was put into an aluminum mold with a pressure plate. The mold was placed into a vacuum bag and inserted into the autoclave to undergo a programmed heat/pressure cycle.. There is an ideal volume ratio of approximately 60% fiber to 40% ...

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The design of the instrument maximizes up-time and performance. The proven robustness and ease of use of the microflex LRF is the result of various build-in technical features. Increased mass resolution and accuracy Highest resolution across an extended mass range is enabled by the ion source with its proprietary panoramic PAN™ pulsed ion extraction. The best mass resolution of a bench-top MALDI TOF is achieved due to an independent reflector power supply, the integrated high performance MCP detector and the high-precision digital analogue converters. Maximized up-time The oil free vacuum system is fully integrated and noise reduced. The microflex LRF can be operated at a wide range of power supplies e.g. 110V or 240V. Stable ion generation is realized by a 60 Hz Fiber-optic laser delivery - this robust arrangement guarantees highest up-times also for multi-Instrument labs. Flexibility and Sensitivity The instruments design with its reflector and linear mode operation allows for highest ...

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TY - GEN. T1 - Fault Tolerant Nine Switch Inverter. AU - Seifi Najmi, E.. AU - Dehghan, S. M.. AU - Heydari, M.. AU - Mohamadian, M.. AU - Yazdian, A.. AU - Milan, G. S.. N1 - Conference code: 2. PY - 2011/4/5. Y1 - 2011/4/5. N2 - In this paper several fault tolerant strategies which can be implemented on nine switch inverter has been investigated. The developed strategies provide compensation for open circuit and short circuit failures on semiconductor devices. In addition unique post fault controls have been proposed for each strategy. The first applied topology is switch redundant topology and can tolerate all switch failures. The second one is a four leg topology which tolerates just open circuit fault. The third one called phase redundant topology can deliver rated power at all switch failures. Finally performance of all post fault topologies is verified by simulation results.. AB - In this paper several fault tolerant strategies which can be implemented on nine switch inverter has been ...

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Abstract. The broken end of a shaft from a centrifugal pump had a smooth fracture surface characteristic of failure from fatigue. Failure occurred in the plane

CT-Systems for industry and academic research High-resolution X-ray inspection has become a widely used tool for non-destructive testing, failure analysis, and

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Low-light-level SWIR imaging in semiconductor microscopy applications is used for fault localization in microelectronic failure analysis.

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This paper presents a novel application of particle swarm optimization (PSO) in combination with another computational intelligence (CI) technique, namely, proximal support vector machine (PSVM) for machinery fault detection. Both real-valued and binary PSO algorithms have been considered along with.... Full description. ...

TY - JOUR. T1 - Risk factors for hemorrhagic complications following pipeline embolization device treatment of intracranial aneurysms. T2 - Results from the international retrospective study of the pipeline embolization device. AU - Brinjikji, W.. AU - Lanzino, G.. AU - Cloft, H. J.. AU - Siddiqui, A. H.. AU - Kallmes, D. F.. PY - 2015/12. Y1 - 2015/12. N2 - BACKGROUND AND PURPOSE: Spontaneous intraparenchymal hemorrhage is a dreaded complication of unknown etiology following flow-diversion treatment. Using the International Retrospective Study of the Pipeline Embolization Device registry, we studied demographic, aneurysm, and procedural characteristics associated with intraparenchymal hemorrhage following Pipeline Embolization Device treatment. MATERIALS AND METHODS: Weidentified patients in the International Retrospective Study of the Pipeline Embolization Device registry with intraparenchymal hemorrhage unrelated to index aneurysm rupture post-Pipeline Embolization Device treatment. The rate ...

Although the quality and speed of MR images have vastly improved with the development of novel RF coil technologies, the engineering expertise required to implement them is often not available in many animal in vivo MR laboratories. We present here an open birdcage coil design which is easily constructed with basic RF coil expertise and produces high quality images. The quality and advantages of mouse cardiac MR images acquired with open birdcage coils were evaluated and compared to images acquired with a bent single loop surface, and standard birdcage coils acquired at 4.7 Tesla. Two low pass open birdcage coils, two single loop surface coils, and a low pass volume birdcage coil were constructed and their B(1) distributions were evaluated and compared. The calculated average signal-to-noise ratio for the left ventricular wall was 10, 23 and 32 for the volume birdcage coil, single loop surface coil and open birdcage coil, respectively. The results demonstrate that the open birdcage coil provides greater

In this paper, the development of fault detection method for PV modules defective bypass diodes is presented. Bypass diodes are nowadays used in PV modules in order to enhance the output power production during partial shading conditions. However, there is lack of scientific research which demonstrates the detection of defective bypass diodes in PV systems. Thus, this paper propose a PV bypass diode fault detection classification based on Mamdani fuzzy logic system, which depends on the analysis of Vdrop, Voc , and Isc obtained from the I-V curve of the examined PV module. The fuzzy logic system depends on three inputs, namely percentage of voltage drop (PVD), percentage of open circuit voltage (POCV), and the percentage of short circuit current (PSCC). The proposed fuzzy system can detect up to 13 different faults associated with defective and non-defective bypass diodes. In addition, the proposed system was evaluated using two different PV modules under various defective bypass conditions. ...

Mathematical Problems in Engineering is a peer-reviewed, Open Access journal that publishes results of rigorous engineering research carried out using mathematical tools. Contributions containing formulations or results related to applications are also encouraged. The primary aim of Mathematical Problems in Engineering is rapid publication and dissemination of important mathematical work which has relevance to engineering. All areas of engineering are within the scope of the journal. In particular, aerospace engineering, bioengineering, chemical engineering, computer engineering, electrical engineering, industrial engineering and manufacturing systems, and mechanical engineering are of interest. Mathematical work of interest includes, but is not limited to, ordinary and partial differential equations, stochastic processes, calculus of variations, and nonlinear analysis.

TY - JOUR. T1 - Biochemical assessment of canine body cavity effusions using three bench-top analysers. AU - Hetzel, Natasha J L. AU - Papasouliotis, K. AU - Dodkin, S. AU - Murphy, K. N1 - © 2012 British Small Animal Veterinary Association.. PY - 2012/8. Y1 - 2012/8. N2 - OBJECTIVES: To assess the performance of three bench-top chemistry instruments for the analysis of canine effusions. Acceptable results were compared with those obtained by a reference chemistry analyser.METHODS: Total protein, albumin, creatinine and bilirubin concentrations were measured in 74 effusions using the VetScanVS2, VetTest8008 and SpotchemEZ analysers. Cholesterol and triglyceride concentrations were also measured by the VetTest and Spotchem. Results were analysed using Westgards error analysis, Spearmans correlation, Bland-Altman plots and Deming regression. Results were considered acceptable when observed total error (TE(obs) ) was less than allowable total error (TE(A) ).RESULTS: VetScan error analysis ...

X-Ray Detectors are basically those instruments that are employed to gauge the flux, spatial distribution, spectrum, and the other related characteristics of X-Rays. They can be segregated into two major types imaging detectors and dose measurement devices. The analog X-Ray systems normally employ photographic plates and films for image detection. Nevertheless, as there has been a shift in technology from analog to digital X-ray systems, the photographic plates and films are have been substituted by digital image plates that are itself the flat panel detectors.. Flat panel detectors are said to be highly sensitive and they are much faster than a photographic film. As technology and demand for digital X-Ray systems is reaching great heights, the X-ray detectors will call for much stronger structure possessing high transmission capability, temperature endurance, as well as resistance to ionizing radiations. Market size on the basis of type spans flat panel detectors, charge coupled device (CCD) ...

July 23, 2008 - Canon U.S.A. Inc. has expanded its line of digital radiography (DR) systems with the introduction of the Canon CXDI-60G Portable Flat Panel Detector, the companys ninth-generation flat panel detector, which now includes room-to-room installations, mobile X-ray systems and more.. The Canon CXDI-60G Portable Flat Panel Detector succeeds the Companys popular CXDI-31, a portable cassette-type DR system, introduced in September 2001. Offering a more ergonomic and portable form than its predecessor, the CXDI-60G Portable Flat Panel Detector realizes a new level of freedom and immediacy for diagnosis in the X-ray room and beyond. Thin, lightweight and robust, the CXDI-60G Portable Flat Panel Detector offers true portability and flexibility in high-quality DR. Added benefits include low power consumption and a detachable sensor cable for convenient maintenance and installation. The models detachable sensor cable, which provides power to the unit and transfers data, is designed to ...

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As man-made dynamical systems become increasingly complex, there is an ever-present need to ensure their safe and reliable operation [1]. These requirements extend beyond the normally accepted safety-critical systems (e.g. nuclear reactors, chemical plants, and aircraft) to new systems such as autonomous vehicles and rapid transport systems. Early detection of faults and/or malfunctions in industrial processes and systems can help reduce downtimes and the incidence of catastrophic events [1]. Sensors are essential components of any process or system which makes use of automatic control [2]. It follows that an important aspect of any process/system fault diagnosis strategy is to attempt to determine their state of functionality. During the last two decades, fault detection theory has attracted considerable academic interest and as a result, a variety of techniques for fault diagnosis have been developed. Most of these techniques are designed to work in a centralised manner, by accounting simultaneously

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The Global Flat Panel Detector (FPD) Market held a market value of USD 3.06 Billion in 2018 and is projected to grow at a CAGR of 6.7% over the forecast

Within the presented case-study different disciplines worked together improving the knowledge of the developement of the North German Basin. We focus the area of a producing gas field with special respect to the analysis of seismic and sub-seismic deformation which requires a very detailed fault detection to bridge the information gap between seismic data and well data. Advanced coherency algorithms as Shaded-Relief take into account local dip and azimuth distribution of coherent energy. This leads to detect additional tectonic lineaments than could have been inferred from conventional amplitude images. Beside fracture attributes like fault density by length or connectivity, we show the attribute Fractal Dimension, which is an index for the relation of long to short fractures. Results are displayed in a map showing the areal distribution of the attribute. Correlation between FMI/FMS Log Data and FD values is linear. Using this relation, we end up with a predictive FMI-map (only based on seismic data)

Method and apparatus for analyzing a breath sample provide user-friendly operation and analysis. The method and apparatus provide for automatic operation and coordination of operation of and absorbent sample tube, including desorbing means, a chromatographic precolumn, a chromatographic main column, a detector, a data processor, a sample receiving tube for receiving exhaled breath sample, a sample loop for aspirating a prescribed quantity of breath sample from the sample receiving tube, a sample valve, a standard gas reservoir, and a standard gas valve. All of the foregoing are operated automatically in such that start cycles, detector cycles, fault detection cycles, standardizing, analysis, shutdown and end cycles are performed in a way which allows for straightforward and simple measurement of breath sample by a user.

Popular code coverage measures, such as branch coverage, are indicators of the thoroughness rather than the fault detection capability of test suites. Mutation testing is a fault-based technique that measures the effectiveness of test suites for fault localisation. Unfortunately, use of mutation testing in the software industry is rare because generating and running vast numbers of mutants against the test cases is time-consuming and difficult to do without an automated, fast and reliable tool. Our objective is to present an innovative approach to mutation testing that takes advantage of a novel aspect-oriented programming mechanism, called pointcut and advice, to avoid multiple compilation of mutants and, therefore, to speed up mutation testing. An empirical comparison of the performance of the developed tool, called Judy, with the MuJava mutation testing tool on 24 open-source projects demonstrates the value of the presented approach. The results show that there is a statistically significant (t(23)

Proc. ASME. 56130; Volume 2: Control, Monitoring, and Energy Harvesting of Vibratory Systems; Cooperative and Networked Control; Delay Systems; Dynamical Modeling and Diagnostics in Biomedical Systems; Estimation and Id of Energy Systems; Fault Detection; Flow and Thermal Systems; Haptics and Hand Motion; Human Assistive Systems and Wearable Robots; Instrumentation and Characterization in Bio-Systems; Intelligent Transportation Systems; Linear Systems and Robust Control; Marine Vehicles; Nonholonomic Systems, V002T18A004.October 21, ...

Abstract. A root cause failure analysis was performed on a vaporizer coil removed from a horizontal forced circulation vaporizer. The carbon steel coil was wou

Test case prioritization (TCP) attempts to improve fault detection effectiveness by scheduling the important test cases to be executed earlier, where the importance is determined by some criteria or strategies. Adaptive random sequences (ARSs) can be used to improve the effectiveness of TCP based on white-box information (such as code coverage information) or black-box information (such as test input information). To improve the testing effectiveness for object-oriented software in regression testing, in this paper, we present an ARS approach based on clustering techniques using black-box information. We use two clustering methods: (1) clustering test cases according to the number of objects and methods, using the K-means and K-medoids clustering algorithms; and (2) clustered based on an object and method invocation sequence similarity metric using the K-medoids clustering algorithm. Our approach can construct ARSs that attempt to make their neighboring test cases as diverse as possible. ...

We are big fans of Coda Hales Metrics library. Virtually all of our applications emit copious metrics that we use to monitor application state, optimize performance and resource allocation, and keep tabs on business metrics. In short: to know what is going on. We like it so much for our Java applications that we made it easy for any language with a network stack to participate with MetricCatcher and Phetric.. All of these metrics are sent to Ganglia and Graphite for dashboards, big screens filled with graphs, and fault detection. Ganglia has a solid architecutre of distributed metrics collection out of the box, and Graphite is known for its sweet graphs. We have contributed to both the Metrics Ganglia reporter and one of the available Ganglia-Graphite bridges.. Unfortunately, we ended up with a messy slew of ways to configure where we were sending metrics-Java properties files, Spring XML, even the occasional hard coded in-app configuration. It also annoyed our engineers that the Ganglia ...

Vershinin, Y. A., Garvey, S. D. & Holding, D. J., 2001, On-line Fault Detection and Supervision in the Chemical Process Industries, 2001: (CHEMFAS-4) : a Proceedings Volume from the 4th IFAC Workshop, Jejudo Island, Korea, 7-8 June 2001. International Federation of Automatic Control, p. 123-128 Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding ...

In addition to the previously discussed SEM modes, other unique configurations can be employed with the SEM to provide added failure analysis capabilities. Active electron beam probing allows isolation of a failure without a detailed understanding of the integrated circuit. This set of techniques capitalize on the ability of the SEMs beam energy to interact with an integrated circuit and the information from this interaction can be analyzed.4 Electron Beam Induced Current (EBIC) and Resistive Contrast Imaging (RCI) are two active electron beam probing methods that can localize failures in the diffusion or conduction layer of the integrated circuit respectively. The primary difference between RCI and EBIC is the acceleration voltage(beam energy). Since it is possible to adjust the penetration depth with the beam energy (1-30 KeV) to a desired analysis level, the RCI or the EBIC effect can be achieved.4 Simply, the beam energy required for penetration to the shallow conduction layer (RCI) is much ...

I hope you enjoyed the last blog on rail requirements. Now we move on to sequencing, another important topic in field-programmable gate array (FPGA) power design. While powering the FPGA on and off, the power supplies need to turn on in a particular order. The exact sequencing series will vary, but typically the core rail is the first on and the first off. The turning on of the power supply has to be monotonic, which means that there is a continual rise in output voltage powering the FPGA. Finally, there are requirements for how quickly everything needs to fully power up from start to finish: typically, all rails need to get to 95% within 40 or 50ms. In this blog post, I will review three common techniques for sequencing.. The first and most simple technique is resistor-capacitor (RC) sequencing, depicted in Figure 1. When a power supply turns on, the RC time constant will drive when the device turns on. This means that you can simply adjust the RC values for each power supply, which allows you ...

A birdcage coil for use with a magnetic resonance (MR) system comprises a first ring at one thereof, a second ring at the other end thereof, and a plurality of rods electrically interconnecting the first and second rings. The first ring is electrically conductive and has a first diameter. The second ring is electrically conductive and has a second diameter. The rods and first and second rings are configured to form about the birdcage coil a plurality of partially-overlapped primary resonant substructures. Each primary resonant substructure includes two of the rods and the corresponding sections of the first and second rings interconnecting them.

Liu, X, Chen, Q., Sundaram, V., Tummala, R. R., and Sitaraman, S. K., Failure Analysis of Through-Silicon Vias in Free-standing Wafer under Thermal-Shock Test, Microelectronics Reliability, http://dx.doi.org/10.1016/j.microrel.2012.06.140, 2012 (online); Volume 53, Issue 1, January 2013, pp. 70-78 ...

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On-orbit failures can be devastating to a mission, potentially resulting in total losses in the hundreds of millions of dollars, or more. Comtech TCS engineers have broad experience with high-reliability EEE component types and with an immense set of failure analysis methodologies and techniques. We utilize a vast network of laboratory capabilities, inside and outside of our facilities, to guide the customer to a root cause and corrective action. ...

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Daily Newsmagazine and City Guide to Pasadena, California featuring local news, breaking news, events, weather, sports news, schools news, shopping, restaurants and more from Pasadena Now

The Intel® Quartus® Prime software installation includes the Intel® FPGA IP library. This library provides many useful IP cores for your production use without the need for an additional license. Some Intel® FPGA IP cores require purchase of a separate license for production use. The Intel® FPGA IP Evaluation Mode allows you to evaluate these licensed Intel® FPGA IP cores in simulation and hardware, before deciding to purchase a full production IP core license. You only need to purchase a full production license for licensed Intel® IP cores after you complete hardware testing and are ready to use the IP in production. ...

The DLM2000 is a bench-top oscilloscope for electronic design or debug. Its ergonomic and easy to use, and packed with features. With bandwidths from 200 to 500 MHz and memory from up to 250 Mpoints, you can be certain there is a DLM2000 to meet your application and budget. With the DLM2000s industry first flexible MSO input, you can choose to activate channel four as an analog input, or use it to acquire 8 bits of logic instead. Modern electronics include analog and digital circuitry-and the DLM2000s flexible MSO input lets you measure both, including mixed signal triggers and decoding of parallel or serial bit patterns. Options available include functionality for CAN, CAN FD, LIN, SENT, UART, I2C, SPI, PSI5 and CXPI bus analysis, and power supply analysis.. ...

The DLM2000 is a bench-top oscilloscope for electronic design or debug. Its ergonomic and easy to use, and packed with features. With bandwidths from 200 to 500 MHz and memory from up to 250 Mpoints, you can be certain there is a DLM2000 to meet your application and budget. With the DLM2000s industry first flexible MSO input, you can choose to activate channel four as an analog input, or use it to acquire 8 bits of logic instead. Modern electronics include analog and digital circuitry-and the DLM2000s flexible MSO input lets you measure both, including mixed signal triggers and decoding of parallel or serial bit patterns. Options available include functionality for CAN, CAN FD, LIN, SENT, UART, I2C, SPI, PSI5 and CXPI bus analysis, and power supply analysis.. ...

Medtronic recalled 1,812 units of its Pipeline Flex Embolization Device and Pipeline Flex Embolization Device with Shield Technology.

At a time of year when, pre-COVID, students would be getting ready for prom, Goh said the message was vital to increase the number of young people vaccinated by the districts June graduation, and to protect them as the inevitable social events follow.. But she also noted that the city continues to see outbreaks among essential workers, and a key education sector: youtth sports.. Its important for people to know that COVID is still here. That the pandemic is still alive, she cautioned.. Still, Goh was optimistic that Pasadena could continue to see low rates, but an important catalyst for such low rates will be getting young people vaccinated.. The city, like many areas across the nation, has catching up to do when it comes to the young.. While 75% of people who live and work in the city have received at least one dose, and about half of the people have been fully immunized, only 1,233 16- and 17-year-olds in the city have gotten at least one dose, according to the citys Public Health ...

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About the Author - Andy Woodward is President of Wenzel America Ltd., a wholly owned subsidiary of Wenzel Group of Germany. The company sells and supports the full range of Wenzel products including industrial CT scanners produced by Wenzel Volumetrik. The exaCT® brand CT systems, offer a range of machines from all the way from entry level bench-top systems to more powerful models capable of scanning multi-material assemblies and aluminum castings. Wenzel America offers one free exaCT analysis and live consultation on results for any new or existing industrial client wanting to see CT in action. ...

Order T1 Time:9 Faults:7 T5 Time:4 Faults:3 T4 Time:4 Faults:3 T3 Time:3 Faults:4 T2 Time:1 Faults:1 T6 Time:4 Faults:3 T6 Time:4 Faults:3 T5 Time:4 Faults:3 T4 Time:4 Faults:3 T3 Time:3 Faults:4 T2 Time:1 Faults:1 T1 Time:9 Faults:7 Fault based order 7 faults found in 9 minutes ...

A computer implemented method may be used for analyzing equipment failures and maintenance schedules. An equipment maintenance system generates a model of equipment and components of each piece of equ

We provide clear and reliable forensic engineering investigation for your equipment to identify the kind and possible causes of damages and corrosion failures on metallic components. Learn more!

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We determine the root cause of the failure (design, manufacture/assembly or use/maintenance) in mechanical pathologies, corrosion, wear and high temperature.