modeling recent advances in

... problems including new assetclasses such as alternative investments Derivative portfolio hedging and pricing methods recently put forward in the professional community in the presence of increasing instability ... attractequity investors at a time in which fixed-income returns were decreasing in developed as well asdeveloping markets and financial instability and systemic risk were increasing D’Ecclesia–Kondi in ... and Financial Modeling Quantitative Methods in Banking, Finance, Insurance, Energy and Commodity Markets Trang 4Library of Congress Control Number: 2017949871© Springer International Publishing

Ngày tải lên: 08/01/2020, 08:54

... considered in this Chapter include: • Minimum time – resulting in the so-called time-optimal control • Minimum fuel – resulting in the so-called fuel-optimal control • Quadratic performance index ... of nonlinear systems using the neural network based techniques The systems of interest are linear in both control and parameters, and feature time-varying, parametric uncertainties, confined control ... at developing an Trang 14intelligent control design framework to guide the controller design for uncertain, nonlinear systems to address the combining challenge arising from the following: • The

Ngày tải lên: 19/06/2014, 08:20

... ( ) S t = in ( ) 0 a finite time less than or equal to S t η In other words, by maintain the condition in ( ) equation (11), S t will approaches the sliding surface ( ) S t = in a finite time, ... varying hyperplane in ℜ on which the tracking error vector 2 e t ( ) decays exponentially to zero, so that perfect tracking can be obtained asymptotically Moreover, if we can maintain the following ... converter models In section 4, a detailed overview of WNN methods is presented Robust control is introduced in section 5 to increase the robustness against noise by implementing the error minimization

Ngày tải lên: 19/06/2014, 08:20

... However, due to parametric uncertainties and modeling inaccuracies chattering can be observed which causes a major problem in applying SMC alone In general, the chattering enhances the driver fatigue ... difficult to model as linear systems since there are certain parametric uncertainties and modeling inaccuracies that can eventually resonate the system (Jean-Jacques, 1991) The sliding mode control ... chattering behavior remain unresolved Implementing QFT during the sliding phase of a SMC controller not only eliminates chatter but also achieves vibration isolation In addition, QFT does not diminish

Ngày tải lên: 19/06/2014, 08:20

... are continuous The four case sliding surfaces are shown in fig 15, those are continuous also The three case continuously implemented control inputs instead of the discontinuous input in Fig 12 ... depicted in Fig 6 As can be seen, the trajectories are continuous The four case sliding surfaces are shown in fig 7, those are continuous The three case continuously implemented control inputs instead ... )G y is a nonlinear output feedback gain satisfying the relationship (37) and (49), G Δ is a switching gain of the state, G is a feedback gain of the output feedback integral 1 sliding surface,

Ngày tải lên: 19/06/2014, 08:20

... August, 2011 Printed in Croatia A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Recent Advances in Vibrations ... Trang 1RECENT ADVANCES IN VIBRATIONS ANALYSIS Edited by Natalie Baddour Trang 2Recent Advances in Vibrations Analysis Edited by Natalie Baddour Published by InTech Janeza Trdine 9, 51000 ... the traveling wave incident upon a discontinuity due to geometric or kinetic constraints is described by the local wave reflection and transmission matrices Combining these matrices in a progressive

Ngày tải lên: 19/06/2014, 19:20

... defined in the region xx0 to distinguish it from the one defined in the region x<x0 Combining Eqs (2.35) and (37), one can determine the ampltitude of the wave that rises at the loading point ... )1 0 1( ; )1 1 1 ( ; )1 1 Defining v as the wave injected by the applied load, the difference in amplitudes between the incoming and outgoing waves at the loading point is 2 D 1 D * 2l R * ... Now by applying the global wave transmission coefficient defined in Eq (2.25) to C i in the above equation, the displacement at any point in span i of the string can be expressed in terms of

Ngày tải lên: 19/06/2014, 19:20

... vibration response In this case, a small damping coefficient was included in the model It is noticeable how the nonlinear stiffness deforms the phase space pattern, and instead of producing an ellipse, ... appropriate monitoring system, it can detect early faults in the gear teeth, or damaging effects caused by changes in the operating conditions 3.2 Discontinuous stiffness Stiffness discontinuities are ... A typical ball-bearing system consists of five contact parts: the shaft, the inner ring, the rolling elements, outer ring and the housing The deformation of each part will influence the Trang

Ngày tải lên: 19/06/2014, 19:20

... Trang 1integrals which represent weighted averages of contributions of the strain of all points in the body to the stress at the given point Eringen showed that it is possible to represent the integral ... respectively Using the Hamilton’s principle, the nonlocal bending governing equations of motion for a single layered nano-plate are obtained as follows (Pradhan and Phadikar, 2009a) 2 2 In above equations, ... sections originally perpendicular to the longitudinal plane of the plate remain plane, but not necessarily perpendicular to the longitudinal plane This theory accounts for shear strains in the thickness

Ngày tải lên: 19/06/2014, 19:20

... index p as shown in Table 5 It is clearly visible that the frequency decreases with the increasing grading index, caused by the stiffness decreasing with increasing grading index For the same ... of grading index P , the natural frequency increases with increasing mode The effect of grading index can be shown by comparing the frequency value for the fixed value of mode and changing the ... frequency in rectangular (b=2a) SUS 304/Si3N4, FG plates The effect of grading index can be shown by comparing the frequency for the same value of mode and considering different values of grading index

Ngày tải lên: 19/06/2014, 19:20

... showing the trend of the values obtained in the four weeks of the first test for points 2, 3, 5 and 7. [...]... loss of winding clamping pressure, will lead to insulation 108 6 Recent Advances ... mechanical deformations in the winding, and hence, a change in the vibrational signature of the transformer Typical failures occurring at... Indicator 1 06 4 Recent Advances in Vibrations ... fans and oil circulating pumps for the cooling function • Bushings as an insulating structure, for connection of windings to the outside • Oil temperature indicators • Oil Level Indicator... vibrational

Ngày tải lên: 19/06/2014, 19:20

... 90%, in core vibrations and temperature 100%, 110% in core vibrations Current Effect of current in Effect of current and 30%, 60%, 100%, 120% winding package vibrations temperature in winding ... on propagating the effects of the known variables through the links, and combining them in each unknown variable This can be done by local operations and a message passing mechanism, in a time ... winding Thus, they subtract the effect of both minus the effect of the core to deduce the effects of the winding With this information, they calculate four coefficients that reflect the clamping

Ngày tải lên: 19/06/2014, 19:20

... clearance of the Recent Advances in Immunology to Target Cancer, Inflammation and Infections carcinogenic HPV infection, pointing to the importance of these factors in future study design In fact, they ... cytokines tended to be correlated with EOTAXIN in women with carcinogenic HPV, while Recent Advances in Immunology to Target Cancer, Inflammation and Infections they were correlated with IL-2 in ... western blots may not work for staining since staining requires fixation, which can change the confirmation of the cytokine protein, thereby preventing antibody binding (Sachdeva and Asthana 2007)...

Ngày tải lên: 07/03/2014, 20:20

... approach using fluorescent cyanine dyes increases throughput by reducing sample processing and both gel-to-gel and analytical variation by combining case and control samples into a single processing ... Placenta environment in this region was the consequence of a greater emission of gases and dust pollutions coming from the developing industry in the main coal basin in Poland The mining of not only ... dosimeters for investigating reproductive effect 20 Recent Advances in Research on the Human Placenta 1.1 Brief outline of placental biomonitoring The possibility of using the placenta as an indicator...

Ngày tải lên: 17/03/2014, 02:20

... in 10 mM of glucose dissolved in DI water (black line) and exposing the sensor to continuously flow of 10 mM of glucose dissolved in phosphate buffer saline with a pH value of 7.4 (red line) introduced ... AlGaN/GaN HEMTs Interest in developing improved methods for detecting lactate acid has been increasing due to its importance in areas such as clinical diagnostics, sports medicine, and food analysis ... great sensitivity for detecting botulinum toxin The botulinum toxin was specifically recognized through botulinum antibody, anchored to the gate area, as shown in Fig 22 We investigated a range of...

Ngày tải lên: 20/03/2014, 13:06

... φM The switching-on of the C axis causes the preload and the slewing into a defined angular position The preload remains constant during machining with the moving C axis and the increase of moments ... numbers of neurons in a single network required that 54000 examples had to be used during network training In order to increase the number of testing images a few different noises were introduced to ... 1) was modeling, build and tested Fig Current and voltage waveform in the case when f = fm The experimental result was obtain in the case of tuning and untuning of output frequency of inverter...

Ngày tải lên: 22/03/2014, 11:20

... challenges in model checking lies in the ease of modeling constructs in the target domain using modeling primitives in the modeling 34 S Pervez et al language.) The complete Promela code used in our ... their position in the input) are sorted in Line and named in Line using a subroutine to be discussed If all triples are unique, no recursion is necessary (Line 4) Otherwise, Line assembles the ... Science+Business Media springer.com © Springer-Verlag Berlin Heidelberg 2006 Printed in Germany Typesetting: Camera-ready by author, data conversion by Scientific Publishing Services, Chennai, India Printed...

Ngày tải lên: 22/03/2014, 15:20

... residency training programs (e.g., CDC Autism Case Training) [65, 66], and academic detailing where a focused 11 12 Recent Advances in Autism Spectrum Disorders - Volume I training session on ... 407) Surveillance includes eliciting and attending to the parents’ concerns, maintaining a developmental history, making accurate and informed observations of the child, identifying the presence ... experience in delivering ‘bad news’ in uncertain situations Primary care providers may be reluctant to administer population-wide screening measures for ASD if they have had little or no training in...

Ngày tải lên: 23/03/2014, 14:20

... tyrosinase, the rate-limiting enzyme involved in melanin production Tyrosinase is a glycoprotein found in the melano‐ somal membrane The protein has an inner melanosomal domain, which contains ... manifestations of XP Estimated incidences vary from in 20,000 in Japan to in 250,000 in the US (Robbins et al., 1974) Beginning in the first or second year of life, UVexposed skin (e.g on the face and ... participated in indoor tanning With more than 25,000 facilities in the US alone, indoor tanning represents a multi-billion dollar industry Employing over 160,000 people, the tanning industry has...

Ngày tải lên: 23/03/2014, 14:20

... LJ, Ferrari A, Rubenstein JJ Comparisons of effects of statins (atorvastatin, fluvastatin, lovastatin, pravastatin, and simvastatin) on fasting and postprandial lipoproteins in patients with coronary ... Conserved C-terminal residues within the lectin-like domain of LOX-1 are essential for oxidized low-density-lipoprotein binding Biochem J 2001;355: 289––96 36 Recent Advances in Cardiovascular ... amino acids Tacrolimus, the most recent one, is derived from Streptomyces tsukabaensis and is a macrolide compound Cyclosporine inhibits interleukin gene transcription, binding cyclophilin, inhibiting...

Ngày tải lên: 23/03/2014, 16:21