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Relevant bibliographies by topics / Design-under-test

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Academic literature on the topic 'Design-under-test'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Design-under-test"

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Perez-Richet, Eduardo, and Vasiliki Skreta. "Test Design Under Falsification." Econometrica 90, no. 3 (2022): 1109–42. http://dx.doi.org/10.3982/ecta16346.

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We study the optimal design of tests with manipulable inputs. Tests take a unidimensional state of the world as input and output, an informative signal to guide a receiver's approve or reject decision. The receiver wishes to only approve states that comply with her baseline standard. An agent with a preference for approval can covertly falsify the state of the world at a cost. We characterize receiver‐optimal tests and show they rely on productive falsification by compliant states. They work by setting a more stringent operational standard, and granting noncompliant states a positive approval probability to deter them from falsifying to the standard. We also study how falsification‐detection technologies improve optimal tests. They allow the designer to build an implicit cost of falsification into the test, in the form of signal devaluations. Exploiting this channel requires enriching the signal space.

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Rosar, Frank. "Test design under voluntary participation." Games and Economic Behavior 104 (July 2017): 632–55. http://dx.doi.org/10.1016/j.geb.2017.06.002.

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., Maseer Ahmed S. N. "DESIGN AND IMPLIMENTATION OF TEST PATTERN GENERATOR FOR DESIGN UNDER TEST." International Journal of Research in Engineering and Technology 05, no. 16 (May 25, 2016): 192–96. http://dx.doi.org/10.15623/ijret.2016.0516040.

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Keyes, Tim K., and Martin S. Levy. "Analysis of Levene’s Test Under Design Imbalance." Journal of Educational and Behavioral Statistics 22, no. 2 (June 1997): 227–36. http://dx.doi.org/10.3102/10769986022002227.

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By means of three analyses, the operating characteristics of Levene‘s test of homoscedasticity in a 1 -way layout are shown to be systematically affected by design imbalance when the error terms are normal. We consider a formal general linear hypothesis analysis, an empirical analysis, and an analysis of expected mean squares, employing the heuristic justification for an ordinary ANOVA. We propose a simple correction involving leverage and analyze its effect, as well as that of another adjustment, on power and level.

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Keyes, Tim K., and Martin S. Levy. "Analysis of Levene's Test under Design Imbalance." Journal of Educational and Behavioral Statistics 22, no. 2 (1997): 227. http://dx.doi.org/10.2307/1165379.

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Puhan, Gautam, and Longjuan Liang. "Equating Subscores under the Nonequivalent Anchor Test (NEAT) Design." Educational Measurement: Issues and Practice 30, no. 1 (March 2011): 23–35. http://dx.doi.org/10.1111/j.1745-3992.2010.00197.x.

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UEDA, Takashi, Tomonori IKEGAMI, Mariko MATSUDA, and Yoji HANAWA. "Design of Fatigue Test Specimen under High Compressive Mean Stress." Proceedings of the Materials and Mechanics Conference 2018 (2018): OS0817. http://dx.doi.org/10.1299/jsmemm.2018.os0817.

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Lewnard, Joseph A., Christine Tedijanto, Benjamin J. Cowling, and Marc Lipsitch. "Measurement of Vaccine Direct Effects Under the Test-Negative Design." American Journal of Epidemiology 187, no. 12 (August 7, 2018): 2686–97. http://dx.doi.org/10.1093/aje/kwy163.

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He, Tao, Hua Zhong Li, Tang Ren Dan, De Fen Zhang, Jun Qiang Liu, and Guo Rong Qin. "Design and Analysis of Test Model under Heterogeneous and Internet-Ware." Applied Mechanics and Materials 687-691 (November 2014): 2635–39. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.2635.

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Studying a method based on UML model software architecture performance prediction: this method chosen software architecture design in UML, use case diagram, activity diagram and component diagram, and pull stereotypes and tagged values in it, and enlarge them to be UML SPT model, and then turn UML SPT model into queuing network model through conversion algorithm, this algorithm can deal with UML model activity diagram which included branch node and confluent nodes. Finally, using frequency domain analysis theory to get queuing network model, to know performance parameters and performance bottlenecks and also introduce the design plan of UML software architecture performance automation tools, and give a example of performance prediction software architecture.

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Darwiesh, M., Ashraf El-Sherif, H. Ayoub, Yasser El-sharkawy, and Mahmoud Hassan. "The Design and Implementation of Under-Water Laser Imaging Test Aquarium." International Conference on Mathematics and Engineering Physics 9, no. 6 (April 1, 2018): 1–15. http://dx.doi.org/10.21608/icmep.2018.29582.

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Dissertations / Theses on the topic "Design-under-test"

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Sun, Yiping. "Rank-sum test for two-sample location problem under order restricted randomized design." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1180147276.

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Rohrbach, Thomas Juhl. "Investigation of Design, Manufacture, Analysis, and Test of a Composite Connecting Rod Under Compression." DigitalCommons@CalPoly, 2019. https://digitalcommons.calpoly.edu/theses/1996.

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Composite materials hold great potential for the replacement of traditional materials in machines utilized on a daily basis. One such example is within an engine block assembly where massive components inherently reduce the efficiency of the system they constitute. By replacing metal elements such as connecting rods, cylinder caps, or a crank shaft with composite alternatives, a significant increase in performance may be achieved with respect to mechanical strength, thermal stability, and durability, while also reducing mass. Exploration of this technology applied to a connecting rod geometry was investigated through a combination of process development, manufacturing, numerical analysis and testing. Process development explored composite material options based on experimental characterization, fabrication, and machining methods. Finite element analysis provided insight into model and data accuracy, as well as a basis for study on a unidirectional composite I-beam geometry. Destructive testing of the composite connecting rods provided data for a strength to weight ratio comparison with the original steel component. The composite connecting rods exhibited weight savings of 15%-17% that of the steel component. The rod made of woven composite material exhibited an elastic modulus of 68.1 Msi in its linear behavior before failure, thereby exhibiting a higher stiffness than the steel rod tested. Although the failure strengths were 25% below the required design load, the calculated strength to weight ratios showed favor for the composite alternatives.

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Glawatz, Henrike Margot Hildegard [Verfasser]. "Evaluating hybrid layers under organic production conditions : experimental design and test results / Henrike Margot Hildegard Glawatz." Kiel : Universitätsbibliothek Kiel, 2009. http://d-nb.info/1019811129/34.

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Szleper, Michele Lee. "Converging nozzle design for a subsonic wind tunnel to test heat sinks under impinging and parallel airflows." Thesis, Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/17124.

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Durix, Lucas. "On the design of a new test method to characterize the delamination of thermosetting polymer under thermal mixed mode loading." Valenciennes, 2010. http://ged.univ-valenciennes.fr/nuxeo/site/esupversions/bd1267ad-5bd0-4890-b878-4443d6031356.

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Crack propagation in integrated circuits is a major failure cause of electronic components. In the automotive branch, a highly competitive market, failure is not allowed and reliability can make the difference to gain market shares. For this reason, many efforts and researches were conducted in this field during the last decades. In automotive applications, electronic parts have to challenge heavy life conditions, such as vibrations, wide temperature variations, humidity, oil aggressions, etc. In particular, cyclic thermal variations bring incompatible thermal strains along materials interfaces, and leads to interfacial crack propagation (delamination) between copper leadframes used as conductor and polymeric molding compound used to encapsulate devices. Delamination causes then the cracking of the encapsulant and finally the failure of the electronic component. Predicting the interfacial delamination in electronic packages is key to enhance reliability. As detailed in this work, delamination strength of interfaces involving molding compounds depends on many influences. Its characterization required numerous kinds of test, involving heavy costs and long testing periods. In this work, a low cost test setup is proposed to characterize the molding compound/copper interface regarding the different influences already mentioned. The delamination toughness of the copper/polymeric molding compound is characterized with a classic molding compound of the market with respect to the mode mixity (ratio of loading mode II/mode I), temperature, and load rate. Moisture effect is also investigated. The critical energy release rate for the investigated interface is estimated using the classical numerical-experimental correlation used in fracture mechanics. For the investigated material pair, the interfacial toughness exhibits viscoelastic properties and an own time-temperature superposition principle. Obtained interfacial parameters are defined in Abaqus. The latter is widely benchmarked for problems involving delamination and viscoelastic materials. In the case of cracking between two dissimilar materials, the analytical solution of the stress and strain fields at delamination front depends on a characterisctic reference length. The choice of this refence length, conditioning the the mode mixity estimation, is also addressed. The reference length is experimentally characterized for the different investigated temperature
La propagation des fissures dans les circuits intégrés est l’une des causes principales de défaillance de ces circuits. Sur le marché automobile fortement concurrentiel, les défaillances ne sont pas permises, et la fiabilité demeure un critère pouvant faire la différence pour gagner des parts de marché. Pour cette raison, de nombreux efforts et recherches ont vu le jour durant les dernières décennies. Dans le cas des applications liées à l’automobile, les composants électroniques sont confrontés à de lourdes contraintes, telles que vibrations, importants changements de température, projections d’eau ou de dérivés pétroliers, etc. Les variations de température génèrent en particulier des déformations thermiques souvent incompatibles au niveau des interfaces entre matériaux, ce qui provoque dans les circuits intégrés le décollement des conducteurs cuivrés de l’enrobage polymérique utilisé pour la protection du composant (délaminage). Le délaminage aboutit par la suite à la fissuration propre de l’encapsulant puis à la défaillance du composant. L’amélioration de la fiabilité des composants requiert par conséquent de pouvoir prédire le délaminage aux interfaces cuivre/matériau d’encapsulation. Tel que démontré dans ces travaux, la ténacité interfaciale dépend de plusieurs influences. Une caractérisation complète requiert de nombreux tests, mettant en jeu différents types d’appareillages et d’éprouvettes, ce qui génère de nombreux coûts et un temps d’exécution important. Une méthode de test à faible coût est proposée dans ce document pour la caractérisation des interfaces cuivre/encapsulant dans les différentes conditions évoquées. Cette méthode a été mise en pratique avec succès pour caractériser un matériau d’encapsulation classiquement utilisé dans l’industrie automobile. L’influence de la mixité des modes de rupture, de la température, de la vitesse de chargement ainsi que de l’humidité ont été étudiées. Les techniques habituelles en mécanique de la rupture de corrélation résultats expérimentaux-simulations ont été utilisées pour déterminer le taux de restitution d’énergie critique dans les différents cas. La ténacité de l’interface cuivre/matériau d’encapsulation s’est révélée suivre un comportement viscoélastique, incluant des propriétés propres de superposition temps-température. Les paramètres interfaciaux obtenus ont finalement été définis dans l’outil de simulation MEF Abaqus. Ce dernier a d’ailleurs été l’objet de nombreuses vérifications en ce qui concerne la simulation des problèmes de délaminage des matériaux viscoélastiques. Dans le cas de la fissuration entre deux matériaux hétérogènes, la description analytique des champs de contrainte et de déformation en pointe de fissure fait appel à une longueur de référence. Le choix de cette longueur de référence est abordé dans ce document. Cette dernière est déterminée expérimentalement pour les différentes températures testées

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Lee, Eunjung. "Equating multidimensional tests under a random groups design: a comparison of various equating procedures." Diss., University of Iowa, 2013. https://ir.uiowa.edu/etd/5011.

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The purpose of this research was to compare the equating performance of various equating procedures for the multidimensional tests. To examine the various equating procedures, simulated data sets were used that were generated based on a multidimensional item response theory (MIRT) framework. Various equating procedures were examined, including both unidimensional and the multidimensional equating procedures based on an IRT framework in addition to traditional equating procedures. Specifically, the performance of the following six equating procedures under the random groups design was compared: (1) unidimensional IRT observed score equating, (2) unidimensional IRT true score equating, (3) full MIRT observed score equating, (4) unidimensionalized MIRT observed score equating, (5) unidimensionalized MIRT true score equating, and (6) equipercentile equating. A total of four factors (test length, sample size, form difficulty differences, and correlations between dimensions) were expected to impact equating performance, and their impacts were investigated by creating two conditions per each factor: long vs. short test, large vs. small sample size, some vs. no form differences, and high vs. low correlation between dimensions. This simulation study over 50 replications yielded several patterns of equating performance of the six procedures across the simulation conditions. The following six findings are notable: (1) the full MIRT procedure provided more accurate equating results (i.e., less degree of error) than other equating procedures especially when the correlation between dimensions was low; (2) the equipercentile procedure was more likely than the IRT methods to yield a larger amount of random error and overall error across all the conditions; (3) equating for multidimensional tests was more accurate when form differences were small, sample size was large, and test length was long; (4) even when multidimensional tests were used (i.e., the unidimensionality assumptions were violated), still the unidimensional IRT procedures were found to yield quite accurate equating results; and (5) whether an equating procedure is an observed or a true score procedure did not seem to yield any differences in equating results. Building upon these findings, some theoretical and practical implications are discussed, and future research directions are suggested to strengthen the generalizability of the current findings. Given that only a handful of studies have been conducted in the MIRT literature, such research is expected to examine the various specific conditions where these findings are likely to be hold, thereby leading to practical guidelines that can be used in various operational testing situations.

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Myers, Kyle J. "Design of Experimental Apparatus for Expedited Testing of Thrust Bearings under Varying Real World Conditions." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou149242635911249.

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Pimenta, Tales Cleber. "Optimal design of VLSI structures with built-in self test based on reduced pseudo-exhaustive testing." Ohio : Ohio University, 1992. http://www.ohiolink.edu/etd/view.cgi?ohiou1173755841.

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Brooks, Steven D. "Evaluation of the base test method for determining the strength of standing seam roof systems under gravity loadings." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/45958.

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The base tGSt method has been proposed by Carballo, Holzer and Murray [5] as a means of determining the strength of standing seam roof systems under gravity loading. The objective of this thesis is to evaluate the accuracy of the base test method. To do this, eleven sets of tests were performed at Virginia Polytechnic Institute & State University (VPl&SU). Each test set consisted of a single span base test from which a failure load was predicted for the corresponding three span confirming test. Results of two test sets recorded in Reference [5] were also used to evaluate the method. A secondary objective of this thesis is to comment on the effects that system components (purlin orientation, clip type, bracing configuration, panel type, insulation and purlin type) have on the strength of the system. Results from proprietary tests conducted at VPI & SU were used in conjunction with the results from this research to accomplish the secondary objective.
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Liu, Chunyan. "A comparison of statistics for selecting smoothing parameters for loglinear presmoothing and cubic spline postsmoothing under a random groups design." Diss., University of Iowa, 2011. https://ir.uiowa.edu/etd/1013.

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Smoothing techniques are designed to improve the accuracy of equating functions. The main purpose of this dissertation was to propose a new statistic (CS) and compare it to existing model selection strategies in selecting smoothing parameters for polynomial loglinear presmoothing (C) and cubic spline postsmoothing (S) for mixed-format tests under a random groups design. For polynomial loglinear presmoothing, CS was compared to seven existing model selection strategies in selecting the C parameters: likelihood ratio chi-square test (G2), Pearson chi-square test (PC), likelihood ratio chi-square difference test (G2diff), Pearson chi-square difference test (PCdiff), Akaike Information Criterion (AIC), Bayesian Information Criterion (BIC), and Consistent Akaike Information Criterion (CAIC). For cubic spline postsmoothing, CS was compared to the ± 1 standard error of equating (± 1 SEE) rule. In this dissertation, both the pseudo-test data, Biology long and short, and Environmental Science long and short, and the simulated data were used to evaluate the performance of the CS statistic and the existing model selection strategies. For both types of data, sample sizes of 500, 1000, 2000, and 3000 were investigated. In addition, No Equating Needed conditions and Equating Needed conditions were investigated for the simulated data. For polynomial loglinear presmoothing, mean absolute difference (MAD), average squared bias (ASB), average squared error (ASE), and mean squared errors (MSE) were computed to evaluate the performance of all model selection strategies based on three sets of criteria: cumulative relative frequency distribution (CRFD), relative frequency distribution (RFD), and the equipercentile equating relationship. For cubic spline postsmoothing, the evaluation of different model selection procedures was only based on the MAD, ASB, ASE, and MSE of equipercentile equating. The main findings based on the pseudo-test data and simulated data were as follows: (1) As sample sizes increased, the average C values increased and the average S values decreased for all model selection strategies. (2) For polynomial loglinear presmoothing, compared to the results without smoothing, all model selection strategies always introduced bias of RFD and significantly reduced the standard errors and mean squared errors of RFD; only AIC reduced the MSE of CRFD and MSE of equipercentile equating across all sample sizes and all test forms; the best CS procedure tended to yield an equivalent or smaller MSE of equipercentile equating than the AIC and G2diff statistics. (3) For cubic spline postsmoothing, both the ± 1 SEE rule and the CS procedure tended to perform reasonably well in reducing the ASE and MSE of equipercentile equating. (4) Among all existing model selection strategies, the ±1 SEE rule in postsmoothing tended to perform better than any of the seven existing model selection strategies in presmoothing in terms of the reduction of random error and total error; (5) pseudo-test data and the simulated data tended to yield similar results. The limitations of the study and possible future research are discussed in the dissertation.

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Books on the topic "Design-under-test"

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Krishnaswamy, Smita. Design, Analysis and Test of Logic Circuits Under Uncertainty. Dordrecht: Springer Netherlands, 2013.

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Krishnaswamy, Smita, Igor L. Markov, and John P. Hayes. Design, Analysis and Test of Logic Circuits Under Uncertainty. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-90-481-9644-9.

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P, Hayes John, Igor L. Markov, and Smita Krishnaswamy. Design, Analysis and Test of Logic Circuits Under Uncertainty. Springer, 2012.

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P, Hayes John, Igor L. Markov, and Smita Krishnaswamy. Design, Analysis and Test of Logic Circuits Under Uncertainty. Springer, 2014.

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Design Analysis And Test Of Logic Circuits Under Uncertainty. Springer, 2012.

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Lövenich, Johannes. 21FTM11, Design and Simulation of a Back-To-Back Test Rig for Ultra High Cycle Fatigue Testing of Gears under Fully Reversed Load. American Gear Manufacturers Association, 2021.

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Great Britain: Parliament: House of Commons: Work and Pensions Committee and Anne Dame Begg. Personal Independence Payment: Oral and Written Evidence, 21 January 2013, [Esther Mcvey MP, Parliamentary under-Secretary of State and Minister for Disabled People, Simon Dawson, Personal Independence Payment Policy, Design, Test and Assurance Programme Manager and Dr Bill Gunnyeon CBE, Chief Medical Adviser, Department for Work and Pensions]. Stationery Office, The, 2013.

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Niamh, Moloney. Part III Trading, 12 EU Financial Governance and Transparency Regulation: A Test for the Effectiveness of Post-Crisis Administrative Governance. Oxford University Press, 2017. http://dx.doi.org/10.1093/law/9780198767671.003.0012.

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This chapter outlines the main features of the extensive new transparency regime which will apply to trading in a wide range of asset classes under MiFIR. By contrast with MiFID I, which limited transparency requirements to the equity markets and which contained extensive exemptions and waivers, MiFIR adopts a maximalist approach to transparency. The most extensive transparency requirements apply to the three forms of ‘trading venue’ for multilateral trading which are established under the MiFID II/MiFIR venue classification system (RM, MTF and OTF). Bilateral/OTC trading between counterparties is subject only to post-trade transparency requirements. Overall, MiFIR’s regulatory design has been shaped by a driving concern to protect liquidity, particularly in non-equity asset classes. Indeed, exemptions, waivers, suspensions, and calibrations, designed to protect liquidity, are a recurring feature of the new transparency regime.

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Book chapters on the topic "Design-under-test"

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Krishnaswamy, Smita, Igor L. Markov, and John P. Hayes. "Design for Robustness." In Design, Analysis and Test of Logic Circuits Under Uncertainty, 93–113. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9644-9_6.

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Maugan, Fabien, Scott Cogan, Emmanuel Foltête, and Aurélien Hot. "Robust Modal Test Design Under Epistemic Model Uncertainties." In Model Validation and Uncertainty Quantification, Volume 3, 207–14. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15224-0_22.

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Krishnaswamy, Smita, Igor L. Markov, and John P. Hayes. "Introduction." In Design, Analysis and Test of Logic Circuits Under Uncertainty, 1–19. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9644-9_1.

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Krishnaswamy, Smita, Igor L. Markov, and John P. Hayes. "Probabilistic Transfer Matrices." In Design, Analysis and Test of Logic Circuits Under Uncertainty, 21–36. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9644-9_2.

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Krishnaswamy, Smita, Igor L. Markov, and John P. Hayes. "Computing with Probabilistic Transfer Matrices." In Design, Analysis and Test of Logic Circuits Under Uncertainty, 37–52. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9644-9_3.

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Krishnaswamy, Smita, Igor L. Markov, and John P. Hayes. "Testing Logic Circuits for Probabilistic Faults." In Design, Analysis and Test of Logic Circuits Under Uncertainty, 53–61. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9644-9_4.

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Krishnaswamy, Smita, Igor L. Markov, and John P. Hayes. "Signature-Based Reliability Analysis." In Design, Analysis and Test of Logic Circuits Under Uncertainty, 63–91. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9644-9_5.

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Krishnaswamy, Smita, Igor L. Markov, and John P. Hayes. "Summary and Extensions." In Design, Analysis and Test of Logic Circuits Under Uncertainty, 115–20. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9644-9_7.

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Kumar, M. "Design of Reliability Acceptance Sampling Plans Under Partially Accelerated Life Test." In Statistical Quality Technologies, 231–54. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20709-0_10.

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Veneziano, Salvio, Giampiero Celenta, and Marco Claudio De Simone. "Analysis and Design of Test-Rigs for Laboratory Tests Under Microgravity Conditions." In New Technologies, Development and Application VI, 373–80. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31066-9_41.

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Conference papers on the topic "Design-under-test"

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Hussin, Fawnizu Azmadi, Tomokazu Yoneda, and Hideo Fujiwara. "Optimization of NoC Wrapper Design under Bandwidth and Test Time Constraints." In 12th IEEE European Test Symposium. IEEE, 2007. http://dx.doi.org/10.1109/ets.2007.30.

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Tee, Tong Yan, Hun Shen Ng, Ahmer Syed, Rex Anderson, Choong Peng Khoo, and Boyd Rogers. "Design for board trace reliability of WLCSP under drop test." In 2009 10th International Conferene on Thermal, Mechanical and Multi-Physics simulation and Experiments in Microelectronics and Microsystems (EuroSimE). IEEE, 2009. http://dx.doi.org/10.1109/esime.2009.4938518.

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Cho, Gangmin, Yonghwi Kwon, Pervaiz Kareem, Sungho Kim, and Youngsoo Shin. "Test pattern extraction for lithography modeling under design rule revisions." In Optical Lithography XXXIV, edited by Soichi Owa and Mark C. Phillips. SPIE, 2021. http://dx.doi.org/10.1117/12.2583916.

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Kuang, Zhi-li, and Zhong Shi. "Design of Bayesian standard fixed duration test plans under exponential distribution." In 2009 4th IEEE Conference on Industrial Electronics and Applications. IEEE, 2009. http://dx.doi.org/10.1109/iciea.2009.5138956.

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Feng, Ying Jun, Lei Zeng, Yu Chen, Xiao Dong Liu, Tao Li, Qi Xie, and Xiao Yuan Chen. "Hardware Design and Test of a Cryogenic Boost Chopper Under 77K." In 2018 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD). IEEE, 2018. http://dx.doi.org/10.1109/asemd.2018.8558962.

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Ko, Ho Fai, and Nicola Nicolici. "RTL Scan Design for Skewed-Load At-Speed Test under Power Constraints." In 2006 International Conference on Computer Design. IEEE, 2006. http://dx.doi.org/10.1109/iccd.2006.4380823.

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Cui, Aijiao, Tingting Yu, Gang Qu, and Mengyang Li. "An improved scan design for minimization of test power under routing constraint." In 2015 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2015. http://dx.doi.org/10.1109/iscas.2015.7168712.

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WU, Jianglin, Yunfei CHEN, Bing JIA, Guijuan LI, Yang ZHANG, and Jintao YONG. "Optimal design of emission waveform for acoustic scattering test under multipath interference." In 2020 5th International Conference on Communication, Image and Signal Processing (CCISP). IEEE, 2020. http://dx.doi.org/10.1109/ccisp51026.2020.9273470.

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Hui, Bing, Yan Liu, Li Zhang, Huimin Wang, Gang Han, Hao Duan, Zhangjian Yu, and Wenjun Zhang. "Field test research for optimization design under condition of complex Soil Stratum." In 2015 4th International Conference on Mechatronics, Materials, Chemistry and Computer Engineering. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/icmmcce-15.2015.498.

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Gola, Muzio M., Marcelo Braga dos Santos, and Liu Tong. "Design of a New Test Rig to Evaluate Under-Platform Damper Performance." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-24268.

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This work presents the development of a test rig capable of measuring the forces transferred between the blade platforms through the under-platform damper. This test rig is composed of two distinct parts each one representing a platform. The static part contains the load cells, which measure the forces in two perpendicular directions; the moving part controlled using two piezoelectric actuators reproduces any in-plane relative displacement between two adjacent platforms. In this scheme, the damper is placed between these two platforms and loaded by dead weights that reproduce the effects of centrifugal force. The hysteresis cycle, of the damper system, is obtained using the measured forces and the imposed displacement. In addition, two laser beams can be used to measure the damper displacement and its tilt angle, which allows validating dynamic models of the damper. Moreover, the test rig is designed to allow heating the specimens up to temperatures which are normally found in real operation. Finally, the test rig provides necessary variables to study the damper performance and to evaluate some contact models used to simulate under-platform dampers.

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Reports on the topic "Design-under-test"

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Maurer, W. C., W. G. Deskins, W. J. McDonald, J. H. Cohen, F. E. Heuze, and M. W. Butler. Rapid Deployment Drilling System for on-site inspections under a Comprehensive Test Ban Preliminary Engineering Design. Office of Scientific and Technical Information (OSTI), September 1996. http://dx.doi.org/10.2172/479150.

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Wilcox and Musgrove. L52359 Pump Test Facility Characterization Study. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), March 2011. http://dx.doi.org/10.55274/r0010012.

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Due to the uncertainty in the viscosity correction factors pumps can be over or under-sized. The error in the correction factors is not known, since tests have not been completed to verify the performance of pumps at the higher flows and heads. Currently, there is no test facility in existence which can complete the tests required to determine the true performance of a pump at high flows with viscous fluids. This initiative assesses what would be required for the development of a facility which could complete performance tests of pumps of varying sizes with high flow rates, high heads, and high viscosities. This effort included developing a basic design of a pump test facility and estimating how much it would cost to build such a facility. Two facility designs are proposed: an open loop and a closed looped design. Each design has distinct advantages and disadvantages which are outlined in this report.

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Weeks and Dash Weeks. L52336 Weld Design Testing and Assessment Procedures for High-strength Pipelines Curved Wide Plate Tests. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), December 2011. http://dx.doi.org/10.55274/r0010452.

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A variety of mechanical property tests are performed in the design, construction and maintenance phase of a pipeline. Most of the tests are performed by use of small-scale specimens with size typically in the range of a few inches to tens of inches (1 in = 25.4 mm). There are numerous test labs capable of performing most small-scale tests. These tests can be performed effectively under a variety of conditions, e.g., test temperature, strain rate, and loading configuration. More importantly, most routine small-scale tests are performed in accordance with national and international standards, ensuring the consistency of testing procedures. To confirm pipeline designs and validate material performance, it is desirable to test girth welds under realistic service conditions. Full-scale tests can incorporate certain realistic features that small-scale specimens cannot. However, these tests can be time-consuming and expensive to conduct. Very few labs can perform the tests, even with months of start-up and preparation time. There are no generally accepted, consistent test procedures among different test labs. The data acquisition and post-processing may differ from lab to lab, creating difficulties in data comparison. Full-scale tests can only be performed under selected conditions as a supplemental tool to the small-scale tests. The work described in this report focuses on the development of test procedures and instrumentation requirements for curved-wide-plate (CWP) tests. The results of this work can be used for: Developing a test methodology to measure the physical response of a finite-length surface-breaking flaw to axial loads applied to a girth welded line pipe section, Determining the appropriate instrumentation to fully characterize the global stress/strain response of the CWP specimen during loading, Evaluating the applicability of the test methodology for sub-ambient temperatures, and Developing a standardized test procedure for CWP testing with a wide range of test parameters.

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Nessim. L51880 Influence of Higher Design Factor on Structural Integrity of X70 and X80 Pipelines. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), August 2001. http://dx.doi.org/10.55274/r0010372.

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Most pipelines in Class 1 areas are currently designed to a utilization factor of 0.72 using steel grades of up to X70. Using higher strength steels and/or a higher design factor can reduce the wall thickness and construction cost of such pipelines. High strength steels tend to have high yield-to-tensile ratios and lower overall post-yield tangent stiffness. This raises concerns about the potential for excessive plastic deformations under high hydrostatic test pressures. Combined with a high design factor, high steel grades will also lead to thinner pipe walls and reduced tolerance to thickness-dependent failure mechanisms such as corrosion, cracks, and dent-gouges. This effort evaluates the ability of a newer pipelines to safely operate at higher yield stresses.

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Foeken, van, and Gresnigt. L51809 Buckling and Collapse of UOE Manufactured Steel Pipes. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), November 1998. http://dx.doi.org/10.55274/r0010236.

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In the past 20 years, much research has been conducted into buckling and collapse of pipelines under external pressure, bending or tension and combinations. Also many finite element analyses have been performed into the behavior of pipelines under these loads. The available test results show considerable scatter, which is considered to be caused by variations in the stress-strain relationship, the anisotropy of the steel, the Bauschinger effect, the geometrical deviations, the residual stresses, the test conditions, etc. The manufacturing method (seamless, UO, UOE) has a considerable influence on these properties and on the collapse and local buckling resistance. In this project, design formulations for collapse and buckling with appropriate safety factors, calibrated against experimental and numerical models using probabilistic methods, have been selected for a practical range of design considerations. The project consisted of three parts: experiments, probabilistic calculations, and finite element calculations.

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Roesler, Jeffery, Sachindra Dahal, Dan Zollinger, and W. Jason Weiss. Summary Findings of Re-engineered Continuously Reinforced Concrete Pavement: Volume 1. Illinois Center for Transportation, May 2021. http://dx.doi.org/10.36501/0197-9191/21-011.

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This research project conducted laboratory testing on the design and impact of internal curing on concrete paving mixtures with supplementary cementitious materials and evaluated field test sections for the performance of crack properties and CRCP structure under environmental and FWD loading. Three experimental CRCP sections on Illinois Route 390 near Itasca, IL and two continuously reinforced concrete beams at UIUC ATREL test facilities were constructed and monitored. Erodibility testing was performed on foundation materials to determine the likelihood of certain combinations of materials as suitable base/subbase layers. A new post-tensioning system for CRCP was also evaluated for increased performance and cost-effectiveness. This report volume summarizes the three year research effort evaluating design, material, and construction features that have the potential for reducing the initial cost of CRCP without compromising its long-term performance.

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Shen, Gianetto, and Tyson. L52342 Development of Procedure for Low-Constraint Toughness Testing Using a Single-Specimen Technique. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), December 2011. http://dx.doi.org/10.55274/r0010687.

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Pipelines from remote frontier regions are increasingly required to have adequate resistance to large deformations such as that caused by ground movement. In response to this, �strain-based design"� has been developed to enable assessment of imperfections at applied strains beyond yield. In addition, it is proposed to take advantage of the increased apparent toughness of pipe under low constraint, such as girth weld imperfections under axial tension, compared with the high-constraint toughness measured in conventional tests such as ASTM E1290 [1]. Application of low-constraint testing has been dvantageously applied in assessment of toughness for offshore pipeline projects. Also in the pipeline industry, demands on new pipeline projects include low design temperatures as well as high strain capacity. At the same time, increased strength is specified, which increases the level of required toughness. These factors make it increasingly important to assure weldment toughness, in particular to ensure that the failure mode remains ductile. It is well known that brittle cleavage is especially sensitive to constraint, and the availability of a toughness test that would reproduce field conditions would enable more rational development and acceptance of candidate welds and, in particular, enable more appropriate testing of weld heat-affected zones. This work was performed for specific application to surface circumferential cracks in pipe under strain-based design, for which the best constraint matching has been found to occur for clamped single-edge tension (SE(T)) specimens with H/W=10. For this geometry, a test procedure similar to that of ASTM E1820-06 for single-edge bend (SE(B)) and compact tension (C(T)) specimens was developed for J-resistance tests using a single-specimen technique. All the equations used in the procedure, including those for evaluation of J-integrals from the area under load/plastic crack mouth opening displacement (CMOD) curves, and evaluation of crack length from unloading compliance including rotation correction, were developed using finite element analysis (FEA) with a range of crack depths, focusing on a/W= 0.2 to 0.5 which is of most practical interest. The present procedure is compared with that of E1820 for SE(B) testing regarding evaluation of J-integral with crack growth correction, crack length evaluation, and correction of compliance for rotation.

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Mohanty, Subhasish, Jae Phil Park, and Joseph T. Listwan. A System-Level Framework For Fatigue Life Prediction of PWR Pressurizer-Surge-Line Nozzle under Design-Basis Loading Cycles. A complete tensile test based material properties database and preliminary results on 3D weld process modeling, thermal-mechanical stress analysis and environmental fatigue testing. Office of Scientific and Technical Information (OSTI), September 2019. http://dx.doi.org/10.2172/1571258.

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DeSantis, John, and Jeffery Roesler. Performance Evaluation of Stabilized Support Layers for Concrete Pavements. Illinois Center for Transportation, February 2022. http://dx.doi.org/10.36501/0197-9191/22-003.

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A research investigation was conducted on the erosion potential of stabilized subbases under concrete pavements and asphalt layers supporting concrete overlays. Through field surveys and testing in Illinois, this project evaluated if existing concrete pavements with stabilized subbases and concrete overlays were exhibiting potential erosion of the underlying support layer. The field evaluation testing included falling weight deflectometer testing, distress surveys, coring, and ultrasonic tomography scanning. A laboratory performance test was also established using the Hamburg wheel-tracking device to assess the erodibility of the various stabilized subbase layers for new construction and existing asphalt layers available for a concrete overlay. The analyzed field test results were coupled together with the laboratory performance testing to provide recommendations for updating the Illinois Department of Transportation’s “Bureau of Design and Environment Manual” guidance. No changes were recommended for hot-mix asphalt stabilized subbases, but testing using the Hamburg wheel-tracking device should be considered for Portland cement concrete stabilized support layers (e.g., CAM II) under concrete pavements. For testing of asphalt support layers for concrete pavement overlays, the Hamburg wheel-tracking device is recommended with performance criteria similar to flexible pavements for appropriate functional classes.

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Wang, Yong-Yi. PR-350-154502-R02 Implications of Low Strain Hardening Steels on Design Construction and Maintenance. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), April 2019. http://dx.doi.org/10.55274/r0011565.

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Much of the design, construction, and maintenance practices in the pipeline industry was established before the extensive use of modern control-rolled and microalloyed steels. These modern steels can behave differently from traditional hot-rolled and normalized steels. For instance, these modern steels tend to have a lower strain hardening capacity (higher Y/T ratio) than vintage hot-rolled and normalized steels. One of the observed trends is that modern steels could be qualified as higher grade due to the increase of yield strength (YS) while their ultimate tensile strength (UTS) remains at a level close to the vintage lower grade steels. This would allow the pipelines built with modern steels to be operated at higher pressure when the design factor and other pipe dimensional parameters are the same. Two representative linepipes are chosen from actual test data to examine the impact of the changes in the stress-strain behavior. One linepipe is a vintage X52; and the other is a modern X70. The UTS of those two pipes is very close. The vintage X52 pipe has a lower YS with a Y/T ratio of 0.73 and the modern X70 pipe has a higher YS with a Y/T ratio of 0.91. The burst pressure of both pipes was analyzed under the following conditions: - Pipes with uniform strength and no anomaly, - Pipes with strength variations and no anomaly, - Pipes with uniform strength and corrosion anomalies, and - Pipes with uniform strength and no anomaly, subjected to field cold bending.

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