nondestructive evaluation of composite bridge systems

... Comparison of Reliability Indices of Case Variance Comparison of Reliability Indices of Case Accuracy Comparison of Reliability Indices of Case Variance Comparison of Reliability Indices of Case ... RELIABILITY EVALUATION OF COMPOSITE SYSTEMS WITH RENEWABLE ENERGY SOURCES Bordin Bordeerath (B.Eng., Chulalongkorn University) A Thesis Submitted for the Degree of Master of Engineering Department of ... Honor of T Burke Hayes at IEEE PES General Meeting, 2011 vii LIST OF TABLES 2.1 2.2 2.3 2.4 2.5 2.6 Accuracy Comparison of Reliability Indices of Case Variance Comparison of Reliability Indices of...

Ngày tải lên: 12/10/2015, 17:34

... Translation, the automatic evaluation of systems consists of computing some similarity metric between the system output and a human model summary Systems are then ranked in order of decreasing similarity ... summarisation systems and, at the same time, similarity metrics conceived as well to evaluate summarisation systems Therefore, testing the validity of the QARLA proposal implies some kind of meta-meta -evaluation, ... rightmost part of the figure, peers are distributed around the set of models, closely surrounding them, receiving a high JACK value A Case of Study In order to test the behaviour of our evaluation...

Ngày tải lên: 17/03/2014, 05:20

... vowels The full details of this system are not important for this paper; here we focus on the performance evaluation of systems, not the systems themselves 641 2.1 System Evaluation In order to ... of second languages: high familiarity with English, some knowledge of Arabic, and little or no prior knowledge of Dutch Also, the majority of them found the transliteration of English terms of ... transliterators perception of the task (Easy or Medium) vestigated the transliterator’s perception of difficulty of the transliteration task with the ensuing word accuracy of the systems Interestingly,...

Ngày tải lên: 23/03/2014, 18:20

... a structure Evaluation of damping should be based on prior research of similar bridges In lieu of such evaluations, use of percent of critical viscous damping (as an approximation of the combined ... for final design of simple bridges and for preliminary design of complex bridges This approach is reasonably accurate for response of straight bridges without a high degree of stiffness or mass ... Functioning of essential bridges should be maintained; • The design ground motions should have a low probability of being exceeded during the normal lifetime of the bridge (10 percent probability of being...

Ngày tải lên: 24/10/2014, 22:00

... OPERATIONAL USE OF INTEGRATED BRIDGE SYSTEMS Introduction This guidance supports the safe operational use of an IBS by promoting procedures necessary to ensure adequate knowledge of system functions ... training and quality control for Integrated Bridge Systems Scope This guidance is relevant to the operation of ships fitted with Integrated Bridge Systems (IBS), as per resolution MSC.64(67), ... clarify the integration and the priority of sub -systems within the control system Special emphasis should be laid on the effect of sub -systems on the total outcome of navigation control Advantages and...

Ngày tải lên: 25/04/2016, 18:40

... copyright law, no parts of this document may be reproduced without the expressed permission of the author An abstract of Magnetic Sensor for Nondestructive Evaluation of Deteriorated Prestressing ... This prestressed box beam bridge was built in 1960 and was considered structurally deficient at the time of collapse Currently, ten percent of the bridges in Ohio are of the type that collapsed ... strength of the bridge The sudden collapse of any bridge can be costly in dollars, public trust, and safety In 2001 the Federal Highway Administration (FHWA) estimated the annual direct cost of corrosion...

Ngày tải lên: 05/07/2016, 15:00

... coefficients of these elements All the above equations depend on the displacement fields u(x,t) and θ(x,t) that must be formulated A rigorous treatment of vibrations of continua requires the solution of ... represent projections of u in the direction of each basis functions The approach using the Ritz series will be a discrete model with N degree of freedom that approximates the behavior of a system with ... coordinate is like a one-degreeof-freedom oscillator with unitary mass In other words, the N-degree -of- freedom system was converted into N one-degree -of- freedom systems whose solution is well...

Ngày tải lên: 13/12/2013, 01:16

... nuclear unit at present is of the order of $10M This cost figure clearly shows the magnitude of savings to be obtained by improvement in reliability of various systems and subsystems associated with ... magnitude of We fully endorse the viewpoint of the authors that there is much to be gained by cost-benefit analysis of auxiliary equipment in stations The capitalized cost of 1% increase in FOR of a ... reliability of a generating unit We would like t o note that the performance of auxiliary electrical system (and of other systems) depends on the reliability and maintainability (R&M) characteristics of...

Ngày tải lên: 03/01/2014, 19:39

Ngày tải lên: 08/03/2014, 18:20

... a total of 990 000 of water surface, including 127 000 of small size ponds, 340 000 of reservoirs, 580 000 of low land and flood plains, 619 000 of tidal flats and 350 000 of bays and lagoons, ... approximately 50 % of the famers getting a yield of to t ha-1, and 30 % a yield of to t ha-1 In Phu Vang district more than 50 % of farmers got a yield of less than t ha-1 4.3 Digestibility of nutrients ... Absorbability of Animal Fat in Catfish Diets The Journal of Nutrition 108(5), 749-752 AOAC (1990) Official Methods of Analysis of the Association of Official Alalytical Chemists, 15 th ed Arlington,...

Ngày tải lên: 13/03/2014, 19:19

... USL, the "sister system" of REL developed by IBM Heidelberg [10] with German used as gLl in two studies of high school students: predominance of wh-questions (317 in total of 451); not many relative ... questions (i) TABLE TABLE An evaluation which would not include an analysis of unparsed input would at best be of limited value It was shown in Table i that i093 out of 1515 or about ~ o t h i ... stow height and bale cube of the pyrotechnic locker of the AL?" 88 Sentences with quantifier and conjunction(s), e.g., "List hatch width and hatch length of each deck of the Alamo." 13 Sentences...

Ngày tải lên: 17/03/2014, 19:20

... 2005 NIST MT evaluation exercise, used BLEU -4 as the only method of evaluation BLEU is a precision metric that assesses the quality of a translation in terms of the proportion of its word ngrams ... to a corpus of human-written texts As in other areas of NLP, the advantages of automatic corpusbased evaluation are that it is potentially much cheaper and quicker than human-based evaluation, ... are often not of high enough quality to form a realistic test 2.2 Automatic evaluation of generated texts in MT and Summarisation The MT and document summarisation communities have developed evaluation...

Ngày tải lên: 24/03/2014, 03:20

... incorrect For example, if 90% of raters agree on a rating of Error for an instance of preposition usage, then that is stronger evidence that the usage is an error than if 56% of Turkers classified it ... detection systems: (a) by providing more informative measures for the intrinsic evaluation of a single system (§ 4.1), and (b) by easily enabling system comparison (§ 4.2) Crowd-informed Evaluation ... measures of precision and recall would be fairer if they reflected this reality Besides fairness, another reason to use a continuous scale is that of stability, particularly with a small number of instances...

Ngày tải lên: 30/03/2014, 21:20

... taskbased evaluations of NLG systems over the Internet 304 is a valid alternative to more traditional laboratorybased evaluations Specifically, we have shown that an Internet-based evaluation of systems ... increased amount of data also makes it possible to compare the quality of NLG systems across different evaluation worlds and users’ language proficiency levels We believe that this type of evaluation ... as means The chart assigns systems to groups A through C or D for each evaluation measure Systems in group A are better than systems in group B, and so on; if two systems have no letter in common,...

Ngày tải lên: 31/03/2014, 00:20

... predictor of user satisfaction Discussion and Future Work We showed above that the addition of dialogue act metrics improves the fit of models of user satisfaction from 37% to 42% Many of the significant ... Tagging for Evaluation The hypothesis underlying the application of dialogue act tagging to system evaluation is that a system’s dialogue behaviors have a strong effect on the usability of a spoken ... that classifies each of the system utterances in each dialogue in the COMMUNICATOR corpus Because the systems used template-based generation and had only a limited number of ways of saying the same...

Ngày tải lên: 31/03/2014, 04:20

... Performance evaluation of space–time–frequency spreading for MIMO OFDM–CDMA systems Haysam Dahman∗ and Yousef Shayan Department of Electrical Engineering, Concordia University, ... communications systems An important advantage of using STFdomain spreading in MIMO OFDM–CDMA is that the maximum number of users supported is linearly proportional to the product of the S-domain, ... orthogonal frequency-division multiplexing (OFDM); 4th generation (4G) Introduction Modern broadband wireless systems must support multimedia services of a wide range of data rates with reasonable complexity,...

Ngày tải lên: 18/06/2014, 22:20

... N c , the OFDM-CDMA 60 Proposed OFDM-CDMA 2D OFDM-CDMA Number of Users 50 40 30 20 10 0 10 12 14 16 SNR dB Figure 10 System throughput comparison for OFDM-CDMA system with 4Tx, 4Rx of the proposed ... communications systems An important advantage of using STF-domain spreading in MIMO OFDM-CDMA is that the maximum number of users supported is linearly proportional to the product of the S-domain, ... than other systems were shown, when number of receive antennas are reduced to one, as our system was able to maximize the number of degrees of freedom, by exploiting the spatial dimension of the...

Ngày tải lên: 20/06/2014, 21:20

... 4.5) Finally, the model evaluation is made by means of stochastic simulation (Section 4.3) 4.3 Evaluation The evaluation is made by means of simulation The facilites of CPN Tools have been adopted ... contribution of this work was the development of a computational tool to automate same steps of the proposed methodology The tool was named PECES (Performance and Energy Consumption Evaluation of Embedded ... instructions into one of the instructions classes This function returns a value of type INSTRUCTION in a probabilistic way, such that if an instruction of class c1 is executed with a frequency of 50% in...

Ngày tải lên: 21/06/2014, 11:20

... and Music Processing Perceptual Evaluation A panel of voice professionals perceptually evaluated the intelligibility of each patient while listening to a play back of the recordings A five-point ... Investigation of these disorders seems to be beneficial in the future Even analysis of the emotional state of a patient is within the reach of ASR methods [27] However, this is not the scope of the present ... speech” instead of “very good normal speech.” For the four raters of the OC patients there was no need to alter the Likert scale For both databases the mean score of all perceptual evaluations was...

Ngày tải lên: 21/06/2014, 20:20