415 Hits in 9.1 sec

Built-in-self-test of analogue circuits using optimised fault sets and transient response testing

N. Axelos, J. Watson, D. Taylor, A. Platts
Proceedings of the Eighth IEEE International On-Line Testing Workshop (IOLTW 2002)  
2002) Built-in-self-test of analogue circuits using optimised fault sets and transient response testing.  ...  Recently this work has been extended to non-linear analogue circuits by treating Transient Response Testing as a structural test technique and employing optimised and reduced fault sets that are derived  ...  Acknowledgement This work was supported by the EPSRC under grant GR/M33266 and is ongoing under grant GR/R46281. References  ... 
doi:10.1109/olt.2002.1030196 dblp:conf/iolts/AxelosWTP02 fatcat:ydnnfpqtyfhdzjz7d2pumqwrjq

Development of generic testing strategies for mixed-signal integrated circuits

T.I. Pritchard, P.S.A. Evans, D. Taylor
1992 IEE Proceedings G Circuits Devices and Systems  
The paper proposes a test structure for mixed-signal ICs, and details the development of a test technique and fault model for the analogue circuit cells encountered in these devices.  ...  The aim of the work is to develop generic testing strategies for mixed-signal (mixed analogue and digital) integrated circuits.  ...  Acknowledgments The authors would like to acknowledge the help and assistance given by colleagues from the Polytechnic of Huddersfield, in particular Stephen Allott and Julian Raczkowycz, and co-workers  ... 
doi:10.1049/ip-g-2.1992.0038 fatcat:ac6strpeibacnf3r27y653c7jm

Zero-maintenance of electronic systems: Perspectives, challenges, and opportunities

Richard McWilliam, Samir Khan, Michael Farnsworth, Colin Bell
2018 Microelectronics and reliability  
Design techniques are critically reviewed to clarify the role of fault coverage, resource allocation and fault awareness, set in the context of existing and emerging printable/nanoscale manufacturing processes  ...  Efforts are concentrated on built-in detection, masking and active mitigation that comprises self-recovery or self-repair capability, and has a focus on system resilience and recovering from fault events  ...  This may merit a self-test of standby resources before their allocation in response to fault events.  ... 
doi:10.1016/j.microrel.2018.04.001 fatcat:bjr3ynhgs5eirdu3yitgnfh3mm

Analysis of Protective Relaying Operation and Related Power System Interaction

Mladen Kezunovic, Slavko Vasilic
2003 IFAC Proceedings Volumes  
using models of both relays and power system.  ...  Three major issues are addressed: evaluation of existing physical relays, study of new and/or existing relays using relay models, and assessment of relay operation and its interaction with the power system  ...  EVALUATION OF PHYSICAL RELAYS This section discusses the tools for evaluation of physical relays using "real-world" fault transients (application testing).  ... 
doi:10.1016/s1474-6670(17)34500-7 fatcat:663xkejqgbfylov2at2amxju7m

Fault-tolerant electric drive for an aircraft nose wheel steering actuator

J.W. Bennett, B.C. Mecrow, D.J. Atkinson, C. Maxwell, M. Benarous
2011 IET Electrical Systems in Transportation  
The drive features two independent motor controllers, each operating onehalf of a dual three-phase motor, resulting in an actuator capable of full performance following an electrical fault.  ...  This study describes the design and testing of a dual-lane electric drive for a prototype, electromechanically actuated, nose wheel steering system for a commercial aircraft.  ...  Using an analogue input, a position demand of 48 was fed to the controller on lane A. Lane B received the demand via crosscommunications, with the drive operating in active -active mode for the test.  ... 
doi:10.1049/iet-est.2010.0054 fatcat:dpmhg77lufdixf4g25w5vvs7hm

Cascaded-and Modular-Multilevel Converter Laboratory Test System Options: A Review

Theodor Heath, Mike Barnes, Paul D. Judge, Geraint Chaffey, Phil Clemow, Tim C. Green, Peter R. Green, James Wylie, Georgios Konstantinou, Salvador Ceballos, Josep Pou, Mohamed M. Belhaouane (+3 others)
2021 IEEE Access  
These elements do not significantly affect the main indices, such as steady-state and transient responses.  ...  For example, Fig. 18 shows the DC current responses of an active power step from 0 to 0.5 pu, obtained in the HIL test bench and the test rig.  ...  Author Name: Preparation of Papers for IEEE Access (February 2017) VOLUME XX, 2017  ... 
doi:10.1109/access.2021.3066261 fatcat:b52dbs6znjgijdzw2uyzrimhb4

Enabling technologies requirements and specification report

Johannes Stöckl, Gerhard Jambrich, Marcus Milnera, Judith Kapeller, Nina Fuchs, Paul Smith, Heinrich Humer, Elisabeth Mrakotsky-Kom, Tommaso Bragatto, Massimo Cresta, Stefan Costea, Franceso Bellesini (+4 others)
2021 Zenodo  
and Direct Current (ACDC) grid installations with derived Key Performance Indicators (KPI)s to assess the grid quality; D2.2: Use case specification - a collection of use cases for the pilot installations  ...  ; Converter technologies; Test and validation methods.  ...  Simulation Functions Description set point power definition The set point power is the output of the operation strategy (self consumption optimisation) storage simulation The set point power is forwarded  ... 
doi:10.5281/zenodo.4772129 fatcat:phbkonox5ve65jyyuwxazsijri

Soft Computing Approaches to Fault Diagnosis for Dynamic Systems

J.M.F. Calado, J. Korbicz, K. Patan, R.J. Patton, J.M.G. Sá da Costa
2001 European Journal of Control  
Recent approaches to fault detection and isolation for dynamic systems using methods of integrating quantitative and qualitative model information, based upon soft computing (SC) methods are surveyed.  ...  The paper discusses the properties of several methods of combining quantitative and qualitative system information and their practical value for fault diagnosis of real process systems.  ...  A technique is described (Ogg et al 1998) for diagnosing multiple faults in analogue circuits from their impulse response function using multi-layer perceptrons, in terms of a specific example.  ... 
doi:10.3166/ejc.7.248-286 fatcat:v6hesxhjwbbtjfde6zci6qxv34

Low-cost modular PV-battery microgrid emulator for testing of energy management algorithms

Leong Kit Gan, Baljit Riar, Jaehwa Lee, David Howey
2017 2017 IEEE Second International Conference on DC Microgrids (ICDCM)  
In this work, three microgrid emulators were built and they can communicate with each other via TCP/IP, enabling development and demonstrations of distributed forecasting, control and optimization algorithms  ...  However, not all of these algorithms had the privilege to be implemented and tested with real hardware, which may be attributed to the high cost involved and the safety concern on a larger system.  ...  ACKNOWLEDGEMENT This work is carried out as a part of the project Intelligent Management of Multiple Decentralised Solar/Energy Storage Systems, and is supported by the funding from Korea Institute of  ... 
doi:10.1109/icdcm.2017.8001109 fatcat:qajj3dcuwnelng6k5ybqxdcgr4

SABRE: a bio-inspired fault-tolerant electronic architecture

P Bremner, Y Liu, M Samie, G Dragffy, A G Pipe, G Tempesti, J Timmis, A M Tyrrell
2013 Bioinspiration & Biomimetics  
Acknowledgments This research work is supported by the Engineering and Physical Sciences Research Council of the United Kingdom under Grant Number EP/F062192/1 and EP/F067623/1.  ...  They also fulfill a vital role within the built-in self test mechanism used in the UX array described in the next section.  ...  The two most common faults caused by radiation are single-event upsets (SEU), and singleevent transients (SET), accounting for around 90% of faults [1] .  ... 
doi:10.1088/1748-3182/8/1/016003 pmid:23302298 fatcat:u6pv3nqw35e6rd7yjpjwx74die

A survey of automatic control methods for liquid-propellant rocket engines

Sergio Pérez-Roca, Julien Marzat, Hélène Piet-Lahanier, Nicolas Langlois, François Farago, Marco Galeotta, Serge Le Gonidec
2019 Progress in Aerospace Sciences  
In addition, control during the thermally and structurally demanding transient phases is usually in open loop, and hence with low correction margins.  ...  The main control problem in liquid-propellant rocket engines (LPRE), the target of this survey, generally consists in tracking set-points in combustion-chamber pressure and mixture ratio, their main operating  ...  Acknowledgements The authors would like to thank ArianeGroup SAS and Centre National d'Etudes Spatiales (CNES) for the funding.  ... 
doi:10.1016/j.paerosci.2019.03.002 fatcat:z7vfw72avzgchnyeyizgkpms3m

A Versatile Framework for Implementation Attacks on Cryptographic RFIDs and Embedded Devices [chapter]

Timo Kasper, David Oswald, Christof Paar
2010 Lecture Notes in Computer Science  
faults in a widespread microcontroller.  ...  We give details of customized modules for the communication with many types of embedded devices and other modules that allow to inject various types of faults.  ...  be performed with inexpensive or self-built equipment.  ... 
doi:10.1007/978-3-642-17499-5_5 fatcat:yd7vx5jw5vh2boctlr2z2hjxcm

Electromechanical filter and its performance in d.c. transmission systems

L.L. Freris, J. Nunes de Carvalho
1975 Proceedings of the Institution of Electrical Engineers  
A single phase e.m. filter prototype was designed and built to match the static filters of the Imperial College ho vod.c. simulator.  ...  Conventional static filters are capable of suppressing only characteristic harmonics and are sensitive to detuning and to variations in system frequency.  ...  A wider variety of transient conditions should be 181 studied including unbalanced faults in the a.c. system and bridge and d.c. line faults.  ... 
doi:10.1049/piee.1975.0011 fatcat:25db6i6ob5ckzmbetb6u7yfq4a

Design of a Wireless Sensor Node for Vibration Monitoring of Industrial Machinery

Alaa Abdulhady Jaber, Robert Bicker
2016 International Journal of Electrical and Computer Engineering (IJECE)  
However, recent developments in electronics and computing have opened new horizons in the area of condition monitoring and have shown their practicality in fault detection and diagnosis processes.  ...  in the transmission systems (gears and bearings) of an industrial robot joints using vibration signal analysis.  ...  which can be used to test both the electrical circuit and the mechanical structure of the accelerometer.  ... 
doi:10.11591/ijece.v6i2.9296 fatcat:ttrycvfstrdjbc5tlbdpgezr7e

A software controlled voltage tuning system using multi-purpose ring oscillators [article]

Steve Kerrison, Kerstin Eder
2015 arXiv   pre-print
The parameters governing the relationship between RO and silicon speed are obtained through the testing of a sample of processors from different wafer regions.  ...  A conservative linear relationship between RO frequency and silicon speed is used to approximate the critical path of the processor.  ...  Acknowledgments The authors would like to thank Henk Muller and Jon Ferguson at XMOS for the supply of hardware enabling this research.  ... 
arXiv:1503.05733v1 fatcat:fmsjuoo3erh4vinezfqao4fz5e
« Previous Showing results 1 — 15 out of 415 results