iec en standards for data exchange between smart meters and devices

... of the standards movement: assessing student and teacher—performance Determining benchmark levels for candidate, teacher, and student attainment of the proficiencies set forth in the standards ... systems; draft standards for professional development schools; and NCATE’s elementary standards project NCATE’s Standards Committee heard from a wide range of educators and policymakers, and conducted ... NCATE standards are the basis for the assessment of the unit conducted by the Board of Examiners team The standards are divided into two sections, candidate performance (Standards and 2) and unit...

Ngày tải lên: 27/06/2014, 08:20

... CTD Further analyses presented in vitro and in vivo evidence for a structural constraint in the functional interaction between SIV CA NTD and CTD Results Compensation for loss of viral fitness ... helpful for immunogen design in AIDS vaccine development Conclusions Our results present in vitro and in vivo evidence implicating the interaction between Gag residues 205 in CA NTD and 340 in ... contributions NI and TM designed the study NI, HT, and AR performed virological analyses in vitro MY and HS performed structure modeling analyses HY and MK examined viral genome sequences NI and TM analyzed...

Ngày tải lên: 13/08/2014, 01:20

... evolution and implementation of digital devices for fault and transient data recording and testing in the electric utility industry have generated the need for a standard format for the exchange of data ... to applyIECInternational to the maximum extent possible in national regional their and standards Any IEC Standardandthecorrespondingnational or regionalstandardshall beclearly 5) TheIECprovidesnomarkingprocedure ... basepublicationincorporatingamendment1 and the base publication incorporating amendments and Informations supplémentaires sur les publications de la CE1 Further information on IEC publications Lecontenutechnique...

Ngày tải lên: 25/12/2013, 10:51

... time between events (TBE) control chart has been developed recently 1.2 Time -between- events chart The time -between- event (TBE) chart is an effective approach for process monitor, control and improve ... CHARTS FOR COMPLEX TIME -BETWEEN- EVENTS DATA XIE YUJUAN (B.Eng, University of Science and Technology of China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF INDUSTRIAL AND ... time between successive occurrences of events The word “events” and “time” may have different interpretations depending on particular applications “Event” may refer to the occurrence of nonconforming...

Ngày tải lên: 09/09/2015, 18:58

... Time -between- Events Chart Representative: CCC-chart Time -between- Events EWMA Chart Advanced Time -between- Events Chart Time -between- Events CUSUM Chart Figure 1.3 Classification of Time -between- Events ... broad classification of time -between- events chart In the next chapter, each kind of time -between- events chart (CCC, CQC, time -between- events CUSUM chart and time -between- events EWMA chart) will be ... design of time-betweenevents chart doesn’t consider the effect of preventive maintenance although timebetween-events chart and preventive maintenance exist at the same time quite often Third, although...

Ngày tải lên: 14/09/2015, 14:06

... long-term effluent data, transitioning to relationship between concentration and frequency, applying to probability distribution and deriving effluent standards by mean and standard deviation ... standards, Water Science and Technology, 30, 65-72 Environment Agency (2006) Performance standard for laboratories undertaking direct toxicity assessment of effluents, Environment Agency, Hampshire ... of Water and Environment Technology, Vol 8, No.3, 2010 ANZECC (2000) Australian and New Zealand guidelines for fresh and marine water quality Australian and New Zealand Environment and Conservation...

Ngày tải lên: 05/09/2013, 10:15

... standard comprises components for the packetization and synchronization of the audio and video streams, an admission control procedure for end systems to join a conference, multipoint conference ... of additional standards for the various component functions such as audio and video compression Video codec User data application Q.931 H.310 H.322 Guaranteed bandwidth LSNs * Mandatory H.320 ... User data • The bandwidth associated with the audio, video and data streams are negotiated and fixed at the start of a conference • Based on T.120 standard • Application-specific recommendations...

Ngày tải lên: 06/09/2013, 07:50

... i c a OPCLink Server : Client SuiteLink/DDE OPC OPCLink Server ( gateway ) File I/O OPC Server Config file Hình 2.2 Giao th c k t n i gi a OPCLink v i OPC Server Client - OPC Browse: m t giao ... xa qua m ng t i b t kỳ OPC Server truy n d li u thông qua giao th c DDE, SuiteLink t i b t kỳ client OPCLink Server cho phép quan sát không gian ñ a ch c a OPC Server OPCLink Server có m t Topic ... ng giao di n HMI ñó InTouch - Sau ñây mô hình k t n i c a Intouch h th ng: [1] - InTouch Development InTouch Runtime InTouch Runtime Factory Focus I/O Server OPCLink Server PLC Network - Ta th...

Ngày tải lên: 17/10/2013, 15:15

... insufficient data on hand for three representative data sets, for instance, the model could be validated later when more data is available But in some sense, each of these four components is indispensable ... their limited data capacity and inability to handle certain types of operations needed in data preparation, data surveying, and data modeling For exploring small data sets, and for displaying ... structure form of data representation 2.6.2 Building Data Dealing with Variables The data representation can usefully be looked at from two perspectives: as data and as a data set The terms data and...

Ngày tải lên: 24/10/2013, 19:15

... Data format For decades, data has been generated and collected in many formats Even modern computer systems use many different ways of encoding and storing data There are media format differences ... mode, and data format for each source 4.1.1 Data Access Issues Before the data can be identified and assessed, however, the miner needs to answer two major questions: Is the data accessible? and ... miner and begins the process of understanding what is in the data that is, is it reliable and suitable for the purpose? • Data set assembly builds a standard representation for the incoming data...

Ngày tải lên: 24/10/2013, 19:15

... additional information actually forms another data stream and enriches the original data Enrichment is the process of adding external data to the data set Note that data enhancement is sometimes ... consistent Behavioral data, on the other hand, is very often inconsistent, frequently with missing or incomplete values Often a very large sample of behavioral data is needed to ensure a representative ... powerful data manipulation and visualization features 4.3.5 Data Enhancement or Enrichment Although the assay ends with validating the explanatory structure, it may turn out that the data set...

Ngày tải lên: 29/10/2013, 02:15

... variability present in the source data set is, to some selected level of confidence, present in the sample extracted for preparation 5.3.2 Variability and Convergence Differently sized, randomly selected ... population will have different variability measures As a larger and larger random sample is taken, the variability of the sample tends to fluctuate less and less between the smaller and larger samples ... find the best numerical representation, given the form in which the alpha is delivered for preparation, and the information in the data set However, insights and understanding brought by the miner,...

Ngày tải lên: 29/10/2013, 02:15

... matter of finding the distance between the points on one axis and then on the other axis, and then the diagonal length between the two points is the shortest distance between the two points Figure ... both dimensions If another dimension is added, unless the value of the position on that dimension is identical for both points, the distance between the points increases This is a phenomenon that ... important when modeling data More dimensions means more sparsity or distance between the data points in state space A modeling tool has to search and characterize state space, and too many dimensions...

Ngày tải lên: 08/11/2013, 02:15

... the difference between the limit value and any larger value, the less likely it is that it will be encountered The transformation is made such that as the difference between the limit and the out-of-limit ... of the data representation in state space Translating the information discovered there into insights about the data, and the objects the data represents, forms an important part of the data survey ... maximum and minimum values for the range of the variable, and then finding where within the range a particular instance value falls The formula for achieving this is given above Given this formula,...

Ngày tải lên: 08/11/2013, 02:15

... These two box and whisker plots show the before and after redistribution positions—normalized only (a) and normalized and redistributed (b) for standard deviation, standard error, and mean values ... understanding of how they work.) Third, and very important for maximum information exposure, the individual variable distributions are transformed This transformation makes the between- variable information ... extremely high density (one for the “0” value and one for the “1” value) Between the spikes of density is empty space Again, most alpha variables will translate into a “spiky” sort of density, each...

Ngày tải lên: 08/11/2013, 02:15

... voice a bandwidth of 4000Hz, which includes a guard band at top (600Hz) and bottom (300Hz) to prevent interference This limit on bandwidth is imposed by the telephone and the switching equipment used ... Video signal is an analog signal with frequency components in the range of 60 Hz to MHz The bandwidth is almost MHz With guard bands the standard bandwidth for colour video signaling is MHz Signal ... the maximum data rate of a noisy channel whose bandwidth is B Hz, and whose signal-to-noise ratio is S/N, is given by Channel Capacity = B log2 (1+S/N) bps For a bandwidth of 3.1 kHz and a signal...

Ngày tải lên: 10/12/2013, 08:15

... Conceptual Design for Data Requirements Activity 3.2: Relating Data Requirements to Conceptual Design Data Requirements Activity 3.1: Identifying Data- Related Use Cases and Data Requirements Module ... to be tracked and how the data is used " " Between users $ Lead-in Between users and independent portions of a system Describe the current state and desired future state Components $ Actor $ ... Characteristics of Data Requirements Lead-in " Categories of Data Requirements " Identifying Functional Data Requirements " Identifying Nonfunctional Data Requirements " Activity 3.1: Identifying Data- Related...

Ngày tải lên: 10/12/2013, 17:15

... representative sample, for any particular joint distribution, the ratios between the various values xx and xx2, and xy and xy2 remain constant So too the ratios between xx and xxy and xy and xxy ... waveform Figure 9.5 A pure cosine waveform of uniform amplitude and fequency (top) and the frequency spectrum for this waveform (bottom) What happens if there are several frequencies present? ... series data has to be prepared differently from nonseries data There is a large difference between preparing data for modeling and actually modeling the data This book focuses almost entirely...

Ngày tải lên: 15/12/2013, 13:15

... of one, for instance, takes the difference between a value and the immediately preceding value The actual differences tend to appear noisy, and it is often very hard to see any pattern when the ... waveform differences (left) and pattern of differences for the composite waveform without noise (right) Forward Differencing Looking at the spectra and correlograms of the lag-one difference ... reverse differencing Low frequencies are enhanced, and high frequencies are attenuated Just as differencing can yield insights, so too can summing Linearly detrending the waveform before the summing...

Ngày tải lên: 15/12/2013, 13:15