based on nonlinear system identification for power quality analysis

... and M R Iravani, “Experimental performance evaluation of a wavelet -based online voltage detection method for power quality applications,” IEEE Transactions on Power Delivery, vol 17, no 1, pp ... Ribeiro, F R Ramos, and J Szczupak, Power quality event detection based on the divide and conquer principle and innovation concept,” IEEE Transactions on Power Delivery, vol 20, no 4, pp 2361–2369, ... statistics Some contributions have demonstrated that HOS -based techniques are more appropriate to deal with non-Gaussian processes and nonlinear systems than second-order -based ones Remarkable...

Ngày tải lên: 22/06/2014, 20:20

... utilization essential for proposed power adaptation scheme System Model All simulations are performed in MATLAB environment The parameters’ setting is given in Table The simulations are done for FDD ... autoconfiguration schemes: (i) fixed power, (ii) distance based, and (iii) measurement based When fixed power configuration scheme is utilized, the transmitting power is set to fixed value (authors consider ... proposed power adaptation algorithm The algorithm computational complexity is low, since no difficult calculations are done; only several simple conditions are evaluated during every power adaptation...

Ngày tải lên: 21/06/2014, 05:20

... the examples of positioning systems that utilize them, appears in Section 2.2 2.1 Taxonomy of Indoor Positioning Systems The current research efforts for indoor positioning systems can largely ... localization literature for such systems [20, 24, 37, 53] To date, Ekahau’s po- 30 2.3 Summary and Conclusions sitioning engine software [22] claims to be the most accurate location system based on ... computing, location awareness becomes obligatory for many reasons, e.g., to access various location -based services that could be available Therefore, indoor location determination for mobile nodes...

Ngày tải lên: 14/09/2015, 08:25

... xiv Contents Nonlinear System Identification Methods………………………77 4.1 Methods Based on Nonlinear Local Optimization……… 77 4.2 Methods Based on Nonlinear Global Optimization………80 4.3 The Need for ... )} Convolution in time domain = multiplication in transform domain: (1.6) Introduction to Nonlinear Systems y (t ) = x(t ) * h(t ) Y (s) = X (s)H (s) 11 (1.7) 1.2 Nonlinear Systems Nonlinear systems ... many approaches to nonlinear system identification These approaches rely on a variety of different models for the nonlinear system and also depend on the type of nonlinear system In this book...

Ngày tải lên: 01/01/2014, 18:08

... Polymerization format Monomer selection Medium selection Polymerization conditions Covalent Noncovalent Bulk polymerization MIP beads Combinatorial screening Thermodynamic calculations Organic ... Template design, monomer selection, solvent selection and polymerization conditions all require attention In general, the performance of MIPs in aqueous solutions is poor, therefore, if water-soluble ... polymerization conditions and the selection of monomer and cross-linking agent are important parameters for optimization (Table 1) There is no general procedure for MIP preparation; therefore, depending...

Ngày tải lên: 23/03/2014, 07:20

... concentration was calculated as 2% by simulation method with a Hysys program Table 2.5 Composition of mixture gases at different reaction conditions for C3H6 oxidation Composition Concentration, ... excess fuel condition Furthermore, NH3 could be formed in reduction condition This pollutant will be converted into NO-another pollutant in oxidation media [1] Addition air Reduction converter Exhaust ... combustion engine 1.3.1 Catalytic systems based on noble metals (NMs) NM catalysts have received considerable attention for more than 20 years for used in automotive emission control systems,...

Ngày tải lên: 12/05/2014, 17:14

... solution for the detection of Hg2? Open Access This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, ... associated with the formation of a condensed silica network are present Additionally, the DA/SBA-15 system shows characteristic bands for aliphatic C–H stretching vibrations attributed to alkyl ... decreased with increasing Hg2? concentration And finally when the concentration of Hg2? reached to 10-3 M, the fluorescence intensity quenched to 29% The detection limit for Hg2? is established at 10-6...

Ngày tải lên: 21/06/2014, 17:20

... requirements for a priori information about the signal parameters A comparison of these results with a performance benchmark, based on the assumption of additional a priori signal parameter information ... function of SNR Several conclusions can be inferred: (i) for the same observation interval, a specified performance can An algorithm based on first-order cyclostationarity has been developed for ... 212–215, 2007 [25] M Oner and F Jondral, On the extraction of the channel allocation information in spectrum pooling systems,” IEEE Journal on Selected Areas in Communications, vol 25, no 3, pp...

Ngày tải lên: 21/06/2014, 19:20

... functional in the case that the last one is very involved A generalization of the contraction principle in metric spaces by using continuous nondecreasing functions subject to an inequality-type constraint ... bounded functions on its dual It is proven that the solution converges to a unique common fixed point of all the set asymptotic nonexpansive mappings for any initial conditions on C The objective ... nonexpansive resp., asymptotically nonexpansive, semigroup on C if it holds the uniform Lipschitzian condition k s ≤ resp., limS k s ≤ on the Lipschitz constants Definition 3.4 A representation...

Ngày tải lên: 21/06/2014, 20:20

... hybrid systems of wide presence in technological applications like telecommunication, teleoperation, or control of continuous systems by discrete controllers to which the above structure belongs ... Bellman-Gronwall lemma 18 Remark 3.5 Combined interpretation of Propositions 3.2–3.4 Assumption 3.1 and Propositions 3.2–3.4 yield the following robust stability conditions for the system Σ ... x ≥ h d x, T x for some real constant h > The conditions for the existence of fixed points in such mappings are investigated Strong convergence of the well-known Halpern’s iteration and variants...

Ngày tải lên: 21/06/2014, 20:20

... this contribution, the authors address algorithm for identifying power frequency variations and integer harmonics by using wavelet -based transform A combination of continuous wavelet transforms ... value of power quality monitoring systems and provide the basis for ongoing research into new analysis and characterization methods and signal processing techniques (B) Classification, detection, and ... University of Toronto His research interests include modeling and control of power electronic converters, and applications of power electronics in industrial and utility electric power systems He is...

Ngày tải lên: 22/06/2014, 19:20

... three regions by employing a two-level threshold and the MAP search is performed on the uncertain region, which consists of blocks that have to enrol in the occlusion or nonocclusion regions This ... Transactions on Pattern Analysis and Machine Intelligence, vol 6, no 6, pp 721–741, 1984 [14] J Konrad and E Dubois, “Bayesian estimation of motion vector fields,” IEEE Transactions on Pattern Analysis ... estimation based on mean field theory,” IEEE Transactions on Circuits and Systems for Video Technology, vol 9, no 6, pp 960–972, 1999 [17] J N Ellinas and M S Sangriotis, “Stereo image coder based on...

Ngày tải lên: 22/06/2014, 23:20

... stationary noise (e.g., air conditioner on) , but has some problems in the nonstationary noise (e.g., CD player on) CONCLUSIONS In this paper, we have proposed a nonlinear multiple-regression -based ... analysis Estimation Noise estimation log MFB analysis Feature transform Figure 3: Diagram of regression -based speech recognition for a particular driving condition method makes no assumptions regarding ... regression -based recognition systems described above, each driving condition was assumed to be known as a prior information and the regression parameters were trained within each driving condition...

Ngày tải lên: 22/06/2014, 23:20

... was performed as previously described [9] The amplified PCR products were cloned and the presence of appropriate insert was confirmed by restriction enzyme analysis Expression and purification of ... proteins and determination of protein concentration Refolding of proteins was performed using a Refolding kit (Novagen) following the manufacturers instructions The concentration of purified recombinant ... attractive for in conjunction with a test that measures the CMI response, such as the lymphocyte stimulation test, the gamma interferon test or the skin test, or, possibly even as a stand-alone screening...

Ngày tải lên: 07/08/2014, 17:22

... http://www.virologyj.com/content/7/1/245 Page of dilutions were 1:10 for serum and 1:2000 for anti-goat HRP-IgG Exposure time was optimally 45 for serum samples and 15 for conjugate at 37°C Table ... http://www.virologyj.com/content/7/1/245 plates (inter-assay variation) and within the same plate (intra-assay variation) for 10 sera samples For interassay CV, each sample was tested on four different plates on different ... This work was sponsored by National Modern Meat Caprine Industrial Technology System (nycytx-39) The authors wish to thank Lin Tong for technical assistance Authors’ contributions HT participated...

Ngày tải lên: 12/08/2014, 01:22

... different environments In the following we give formulas for the expected response to selection on the additive genetic scale conditional on (f, m) being the randomly chosen parents among the selected ... ) for survival traits) Based on this selection criterion we considered the expected response to selection that can be obtained on the additive genetic and the phenotypic scale Expected response ... general considerations, next each of the four models are considered and each chapter ends with its own discussion and conclusion The paper ends with a general conclusion THE MODELS Notation Usually...

Ngày tải lên: 14/08/2014, 13:21

... sorption CA Concentration gas A dissolved in the membrane ' CH Langmuir capacity constant D Diffusion coefficient DA Average effective diffusion coefficient Dloc Local diffusion concentration of ... Molar fraction in the permeate  Volume fraction XIV LIST OF ABBREVIATIONS Atomic force microscopy AFM Carbon dioxide CO2 Carbon dioxide capture and storage CCS Carbon monoxide CO Carbon molecular ... of the substrate, concentration of the coating solution and number of consecutive coatings for the optimization on gas separation performance are discussed The performance of composite hollow...

Ngày tải lên: 09/09/2015, 17:55

... applied and its performance examined on a wide range of system identification tasks System identification studies are carried out on systems modeled by algebraic, dynamic algebraic and nonlinear state ... when GP based procedure moves from one generation to the next In conventional system identification procedure, the modeler is in a position to look at a variety of fitness measures before converging ... new concept called evolution policy is implemented The user can define evolution policy using keywords for action to be taken (inclusion, exclusion, parameter reduction, etc) for conditions (specific...

Ngày tải lên: 26/11/2015, 23:07

... Detection Schemes for DS-CDMA Systems 1.3 Motivation for the Present Work 1.4 Outline of the thesis CHAPTER DS-CDMA SYSTEMS 2.1 System Model for DS-CDMA 2.2 Spreading Codes 12 2.3 Conventional ... detectors for data estimation to replace conventional detectors (in CPIC) The BAMMSE detector used here only requires the information that is normally provided to the conventional detector and performs ... short-code system, otherwise it is called a long-code system In long-code system, the use of multiuser detection strategies becomes cumbersome [6, Chapter2] Therefore, we concentrate on shortcode system...

Ngày tải lên: 28/11/2015, 13:26

... second solution The intersection of the two solutions is called a bifurcation point Observe that for PL/K < there is only one solution, namely θ = but for PL/K > there are three solutions For ... analysis of nonlinear continua using a computer is called nonlinear computational mechanics, which, when applied specifically to the investigation of solid continua, comprises nonlinear continuum ... discrete form and the formulation of the Jacobian or tangent matrix used in the Newton–Raphson solution of the resulting finite set of nonlinear algebraic equations 1.2 SIMPLE EXAMPLES OF NONLINEAR...

Ngày tải lên: 17/03/2014, 14:24