frequency domain analysis of nonlinear systems general theory

... absolute value of the imaginary part of the LPRS J (ω) is a monotone decreasing function of frequency ω, as the sign of its derivative is negative For the proof of the monotonicity of ReJ (ω), let ... imperfections of the relay result in the finite frequency of switching and finite amplitude of the oscillations, which is usually referred to as chattering Chattering was the subject of analysis of a number ... the situation of “higher expectations” from the SM principle In the present chapter, analysis of chattering and of the closed-loop perfor-mance is carried out in the frequency domain via the

Ngày tải lên: 01/07/2015, 09:37

... think of our approach as the “control ofnonlinear systems using piecewise affine models”, which is a special case of “control ofnonlinear systems using multiple models” 1.3 Identification of nonlinear ... 48 3.6.1 Piecewise Affine Systems 1 48 3.6.2 Piecewise Affine Systems 2 53 3.6.3 Nonlinear Systems 1 54 3.6.4 Nonlinear Systems 2 56 3.6.5 Nonlinear Systems 3 59 3.7 Experimental ... 4.1 Control of nonlinear system 1 - Method III 86 4.2 Control of nonlinear system 1 - Method IV 86 4.3 Control of the nonlinear system 2 - Method I 88 4.4 Control of the nonlinear system

Ngày tải lên: 10/09/2015, 15:50

... Proof of Lemma 2.2 108 A.2 Proof of Lemma 2.3 109 A.3 Proof of Lemma 2.4 109 A.4 Proof of Theorem 2.1 111 Trang 9B Appendix of Chapter 3 121B.1 Analysis of the special cases when Assumption ... Assumption 3.2 is violated 121B.2 Proof of Theorem 3.1 123C.1 Proof of Lemma 4.1 131C.2 Proof of Lemma 4.2 132C.3 Proof of Lemma 4.4 133 Trang 10List of Figures1.1 A multi-controller ... Stability of Periodically Switched Systems 70 4.1 Problem Formulation 71 4.1.1 SISO Linear Systems 71 4.1.2 SISO Nonlinear Systems 73 4.1.3 MIMO Systems 74 4.1.4 Classes of Nonlinearity

Ngày tải lên: 11/09/2015, 10:16

... CONTROL OF NONLINEAR SYSTEMS WITH HYSTERESIS (B.Eng & M.Eng.) A THESIS SUBMITTEDFOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING NATIONAL UNIVERSITY OF ... Control of Nonlinear Systems Research in adaptive control for nonlinear systems have a long history of intenseactivities that involve rigorous problems for formulation, stability proof, robustnessdesign, ... hys-Chapter 3 considers the control of two classes of nonlinear systems with unknownbacklash-like hysteresis Firstly, for a class of strict-feedback nonlinear systems pre-ceded by unknown backlash-like

Ngày tải lên: 14/09/2015, 08:39

... Trang 1 PROJECT 2: FREQUENCY –DOMAIN VIEW OF SAMPLINGEXERCISE 2.1: Signal Generation A.Khởi tạo một tín hiệu a ,khởi tạo tín ... title('MAGNITUDE RESPONSE') xlabel('NORMALIZED FREQUENCY'), ylabel('| H(w) |') subplot(212), plot( W/2/pi, 180/pi*angle(X) ); grid xlabel('NORMALIZED FREQUENCY'), ylabel('DEGREES') title('PHASE ... title('MAGNITUDE RESPONSE')xlabel('NORMALIZED FREQUENCY'), ylabel('| H(w) |') subplot(212), plot( W/2/pi, 180/pi*angle(X) ); grid xlabel('NORMALIZED FREQUENCY'), ylabel('DEGREES') title('PHASE

Ngày tải lên: 10/08/2016, 11:09

... new systems of iii Trang 6ûe also show that the selection of stages which are used as input to the output functionand the siẺe of registers which are used in the construction of the system of ... State convergence in stream ciphers 117 5.3 Analysis of Mixer 119 5.3.1 Analysis of Mixer’s initialisation process 120 5.3.2 Analysis of Mixer’s keystream generation process 125 5.4 ... inluence of tap settings and the state siẺe of registers whose stages are used in theconstruction of the system of equations are factors which afect the number of solutionsobtained when the system of

Ngày tải lên: 07/08/2017, 15:39

... Control of Nonlinear Systems Trang 3Volume 8 A History of Control Engineering, 1800–1930 S BennettVolume 18 Applied Control Theory, 2nd Edition J.R Leigh Volume 20 Design of Modern Control Systems ... t + T] : d of V∗(x) A more precise characterization of the selection of W (x) is the focus of the next section Trang 293.1 Sufficient conditions for stabilityA very general proof of the closed-loop ... design of adaptive NMPC and robust adaptive NMPCcontrol systems An application for the design of adaptive economic NMPC systems is presented The last part of the book presents a treatment of the

Ngày tải lên: 14/05/2018, 13:24

... Trang 1Journal of Science and Technology in Civil Engineering NUCE 2019 13 (3): 1–14OPERATIONAL MODAL ANALYSIS OF MECHANICAL SYSTEMS USING TRANSMISSIBILITY FUNCTIONS IN THE PRESENCE OF HARMONICS ... excitation is of colored noise The aim of this work is to assess the performance of the modal iden-tification technique based on transmissibility functions in presence of harmonics For the sake of completeness, ... x2(t), , xN(t)]T in time domain and in frequency domain by ˆx (ω) = [ ˆx1(ω) , ˆx2(ω) , , ˆxN(ω)]T A transmissibility function Ti j(ω) is defined in frequency domain by Ti j(ω) = ˆxi(ω)

Ngày tải lên: 12/01/2020, 02:14

... systems (IS) journals in the area of financial statement fraud The purpose of this analysis is to provide tools and ideas to support interdisciplinary research in accounting and information systems ... The study presents an analysis of five top ranking IS journals (MIS Quarterly, Information Systems Research, Communications of the ACM, Management Science, and Journal of MIS) and five top ranking ... begins with an analysis of extant literature in five top ranking IS journals (MIS Quarterly, Information Systems Research, Communications of the ACM, Management Science, and Journal of MIS) Five

Ngày tải lên: 16/01/2020, 17:11

... Trang 88Transform Analysisof LTI Systems 1 Sinusoidal Response of LTI Systems 2 Response of LTI Systems in the Frequency Domain 3 Distortion of Signals Passing through LTI Systems 4 Ideal and ... 93dtTrang 94Transform Analysisof LTI Systems 1 Sinusoidal Response of LTI Systems 2 Response of LTI Systems in the Frequency Domain 3 Distortion of Signals Passing through LTI Systems 4 Ideal and ... (4)Trang 106Transform Analysisof LTI Systems 1 Sinusoidal Response of LTI Systems 2 Response of LTI Systems in the Frequency Domain 3 Distortion of Signals Passing through LTI Systems 4 Ideal and

Ngày tải lên: 11/02/2020, 16:27

... Results of the Prostate-specific Pten −/− mouse model: C2time of maximum Output of the CRA Toolbox when the time of maximum of C2 time behavior is chosen as evaluation function a Pdf of the time of ... lower and upper tail of f Z i (z i ) and a is the corresponding threshold value in the domain of the pdf The partition defined in the domain of f Z i (z i ) allows the estimation of two conditional ... distributions of the parameters of S when the val-ues of the evaluation function belong to the lower and upper tail of f Z i (z i ) respectively Here the purpose of the estimation of f p i|L and

Ngày tải lên: 25/11/2020, 12:37

... Trang 1Journal of Science and Technology in Civil Engineering NUCE 2019 13 (3): 1–14OPERATIONAL MODAL ANALYSIS OF MECHANICAL SYSTEMS USING TRANSMISSIBILITY FUNCTIONS IN THE PRESENCE OF HARMONICS ... excitation is of colored noise The aim of this work is to assess the performance of the modal iden-tification technique based on transmissibility functions in presence of harmonics For the sake of completeness, ... x2(t), , xN(t)]T in time domain and in frequency domain by ˆx (ω) = [ ˆx1(ω) , ˆx2(ω) , , ˆxN(ω)]T A transmissibility function Ti j(ω) is defined in frequency domain by Ti j(ω) = ˆxi(ω)

Ngày tải lên: 12/04/2021, 08:50

... SLIDING PI CONTROLLER DESIGNS WITH INTERGRAL SLIDING SURFACE FOR A CLASSS OF NONLINEAR SYSTEMS Abstract: The Lyapunov stable theory and L2_gain control performance are employed to interpret a sliding ... sliding surface First, a theoretical analysis of the considered sliding PI controller is provided Our analysis reveals that the proportional control term of the sliding PI controller, i.e., sliding ... _is the angle of the pole x rad s _is the angular velocity of the pole r g _is the acceleration due to gravity 2 9.8 /m s c m _is the mass of the cart (1.0kg ) t m _is the mass of the pole (0.lkg)

Ngày tải lên: 22/07/2022, 22:19

... strength of the interaction at frequency of 0.02 Hz is 0.08 with a phase of 8.4° ; 0.02 for a frequency of 0.04 Hz with a phase of − 9.2°; 0.017 for a frequency of 0.06 Hz with a phase of − 31°; ... function of frequency Consequently, the latency is cou-pled in our analysis to the frequency and is represented by the phase-differences between a pair of time-series The proposed analysis method ... implications of Yaesoubi et al and our proposed analysis are different Yaesoubi et al focuses on time-frequency analysis for dynamic evaluation of resting-state data, whereas here Figure 7 Group mean of

Ngày tải lên: 04/12/2022, 10:30

... AND PERFORMANCE ANALYSIS OF MIMO SPACE-TIME BLOCK CODING SYSTEMS OVER GENERALFADING CHANNELS HE JUN NATIONAL UNIVERSITY OF SINGAPORE 2008 Trang 2DESIGN AND PERFORMANCE ANALYSIS OF MIMO SPACE-TIME ... Space-Time CodingMost of the performance analysis for STC systems is in terms of PEP, as it is noteasy to obtain an exact bit error result, especially for STTC systems But for STBCsystems, bit error ... assumptions simplify the analysis and design of STBC,but reduce their generality Therefore, large gaps remain between the real applicationand the theoretical analysis The results of STBC obtained so

Ngày tải lên: 14/09/2015, 14:05

... activities, the information of interest is a combination of features that are well localized in time and frequency domains Since wavelet transform is capable of providing the time and frequency information ... during my PhD candidature Trang 3Table of Contents Acknowledgements 2 Table of Contents 3 Summary 7 List of Symbols 9 List of Figures 11 List of Tables 16 1 Introduction 17 1.1 ... methods…………28 2.3 Review of previous falls and ADL detection research works……… ……….35 2.4 Activities of daily living (ADL) detection and time-frequency analysis…… 37 3 Multiresolution analysis and wavelets

Ngày tải lên: 14/09/2015, 18:27

... Trang 1Finite element model for nonlinear analysis of steel–concrete composite beams using Timoshenko's beam theory Dinh Huynh Thai2) Bui Duc Vinh1) and Le Van Phuoc ... θs( )z =ϕ'sis the curvature of the RC slab and the steel girder The vector of strain functions can be obtained from the vector of displacement functions by means of the relation: ε = D u where ... axial strain rivative of t centricity iss the shear de d the rotation unhua 1998, the interfac lynomials of d Zona 2004 e displaceme mplest eleme (DOF) Tha tion Its shap of componen on the previo

Ngày tải lên: 03/06/2016, 19:11

... shell theory with the geometrical nonlinearity in von Karman-Donell sense and the Ilyushin nonlinear supersonic aerodynamic theory, this paper successfully formulated the equations of motion of ... above The nonlinear flutter of structures under impact of high-speed airflow have been studied by a number of researchers such as the study of Ibrahim et al [3] about thermal buckling and nonlinear ... behavior of FGM panels, the study of Sohn et al [4] about using first-order shear deformation theory with the nonlinearity geometrical in von Karman and first order piston theory to investigate the nonlinear

Ngày tải lên: 16/12/2017, 16:18

... devoted to the analysis of complete and linear dent systems of functions for the Helmholtz equation As complete systems indepen-of functions we will discuss the systems indepen-of discrete sources ... plane waves The last section of this chapter deals with the linear independence of these systems 1 COMPLETE SYSTEMS OF FUNCTIONS The completeness properties of the sets of localized spherical wave ... by theorem 2.2 of Chapter 2, a ~ 0 on 5 follows Analogously, theorems 2.4 and 2.6 of the precedent chapter may be used to conclude the proof of (a) The proof of the second part of the theorem

Ngày tải lên: 05/01/2018, 17:15

... convenient to do the analysis and design of discrete-time systems on the basis of the normalized frequency. When the frequency response of a fil- ter, for example, shows a magnitude of 0.5 (i.e., −6 ... it is defined for −∞ <n<∞ in general. But the theory of bilateral z transform is not discussed in this book. 150 FREQUENCY- DOMAIN ANALYSIS xlabel(’Normalized frequency ) subplot(1,2,2) plot(w,HdB);grid title(’Magnitude ... 120 FREQUENCY- DOMAIN ANALYSIS There is some ambiguity in the published literature regarding the definition of what is called the Nyquist frequency. Most of the books define half the sampling frequency...

Ngày tải lên: 29/09/2013, 21:20