frequency domain analysis of nonlinear systems

... Analysis of Closed-Loop Performance and Frequency- Domain Design of Compensating Filters for Sliding Mode Control Systems Igor Boiko Honeywell and University of Calgary, 2500 ... 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 ... infinite frequency of switching of the relay and infinitely small amplitude of the oscillations at the system output However, the inevitable presence of parasitic dynamics (in the form of the actuator

Ngày tải lên: 01/07/2015, 09:37

... Predictive Control of Nonlinear Systems 25 Robust Adaptive Model Predictive Control of Nonlinear Systems Darryl DeHaan and Martin Guay 0 Robust Adaptive Model Predictive Control of Nonlinear Systems Darryl ... for the extrema of a function p(x). www.intechopen.com Robust Adaptive Model Predictive Control of Nonlinear Systems 29 overa Taking the first variation of the right-hand sides of (4a,b) with respect ... in the event of multiple solutions. The existence of such a u is implied by the assumed solvability of (8) www.intechopen.com Robust Adaptive Model Predictive Control of Nonlinear Systems 31 Design

Ngày tải lên: 27/07/2014, 23:44

... identification of time-varying systems 1.4.2 Identification of nonlinear systems using piecewise affine autoregressive models with exogeneous inputs 1.4.3 Control of nonlinear ... University of Singapore, for the financial support during my pursuit of a PhD I would like to thank Assoc Prof Abdullah Al Mamun, Prof Ben Mei Chen and Prof Shuzhi Sam Ge at the National University of ... 3.6.1 Piecewise Affine Systems 48 3.6.2 Piecewise Affine Systems 53 3.6.3 Nonlinear Systems 54 3.6.4 Nonlinear Systems

Ngày tải lên: 10/09/2015, 15:50

... of the proof of Lemma 4.2, Corollary 4.4 follows. C.3 Proof of Lemma 4.4 For ϕ(·) ∈ Mq , the defining property is (4.12). In the manner of the proof of Lemma 2, we can establish a couple of ... condition are a special case of systems which... variations of the constants of integration of the subsystems 2.2 Constants of Integration The concept of constants of integration is introduced ... Stability Analysis of Switched Systems Huang Zhihong Department of Electrical & Computer Engineering National University of Singapore A thesis submitted for the degree of Doctor of Philosophy

Ngày tải lên: 11/09/2015, 10:16

... PROJECT 2: FREQUENCY ? ?DOMAIN VIEW OF SAMPLING EXERCISE 2.1: Signal Generation A.Khởi tạo tín hiệu a ,khởi tạo tín hiệu ... Choose the nearest Power of Xa = fft(xa,Nfft); range = 0:(Nfft/4); % show frequencies up to 1/4 sampling rate ff = range/Nfft/dt/1000; % frequencies in kHz % plot magnitude frequency plot(ff,abs(Xa(1+range))) ... vector, whose length is L % N: number of frequencies for evaluation over [-pi,pi) % ==> constraint: N >= L % % H: DTFT values (complex) % W: (2nd output) vector of freqs where DTFT is computed %

Ngày tải lên: 10/08/2016, 11:09

... Analysis of Nonlinear Sequences and Stream Ciphers by Sui-Guan Teo Bachelor of Information Technology with Distinction (QUT) 2007 Bachelor of Information Technology ... using our combination of the methods of Berbain et al and Raddum, we analysed Trivium-like ciphers and improved on previous on previous analysis with regards to forming systems of equations on these ... the selection of stages which are used as input to the output function and the sie of registers which are used in the construction of the system of equations afect the success of the attack he

Ngày tải lên: 07/08/2017, 15:39

... Journal of Science and Technology in Civil Engineering NUCE 2019 13 (3): 1–14 OPERATIONAL 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 identification technique based on transmissibility functions in presence of harmonics For the sake of completeness, ... , , xN (t)]T in time domain and in frequency domain by xˆ (ω) = [ xˆ1 (ω) , xˆ2 (ω) , , xˆ N (ω)]T A transmissibility function T i j (ω) is defined in frequency domain by T i j (ω) = xˆi

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

... Page 14 of 19 Fig 12 Pulse generator network results: time of maximum of Y Output of the CRA Toolbox selecting the time of maximum of Y as evaluation function a Pdf of the time of maximum of Y b ... 20:385 Page 13 of 19 Fig 11 Pulse generator network results: maximum of Y Output of the CRA Toolbox selecting the maximum of Y as evaluation function a Pdf of the maximum of Y b Boxplot of the MIRIs ... Results of the Prostate-specific Pten−/− mouse model: C2 time 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

Ngày tải lên: 25/11/2020, 12:37

... Application of statistical linearization techniques to nonlinear multi-degree -of- freedom systems, Journal of Applied Mechanics, 1972, 39(2), 545–550 [93] W D Iwan, A generalization of the concept of equivalent ... Response Surfaces, Journal of Engineering Mechanics, 2017, Volume 143 Issue [105] N D Anh, Duality in the analysis of responses to nonlinear systems, Vietnam Journal of Mechanics, VAST, 2010, ... Journal of the Mechanics and Physics of Solids; 2008, 56, 3379–3391 [68] S Kong, S Zhou, Z Nie, K Wang, The size-dependent natural frequency of Bernoulli–Euler micro-beams, International Journal of

Ngày tải lên: 11/03/2021, 07:38

... Equivalent Linearization Method with a Weighted Averaging for Analyzing of Nonlinear Vibrating Systems Latin American Journal of Solids and Structures, 2017; 14(9):1723-1740 (SCIE Journal, Q2) [T2] ... for Solving Undamped Nonlinear Oscillators Journal of Applied Mathematics, Volume 2018, Article ID 7487851, 15 pages (SCOPUS Journal, Q4) [T3] D V Hieu, N Q Hai Analyzing of Nonlinear Generalized ... for a Nonlinear Duffing – Harmonic Oscillator Asian Research Journal of Mathematics, 2019; 15(4):1-14; Article no.ARJOM.52367 [T6] Dang Van Hieu Postbuckling and Free Nonlinear Vibration of Microbeams

Ngày tải lên: 11/03/2021, 07:41

... Journal of Science and Technology in Civil Engineering NUCE 2019 13 (3): 1–14 OPERATIONAL 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 identification technique based on transmissibility functions in presence of harmonics For the sake of completeness, ... , , xN (t)]T in time domain and in frequency domain by xˆ (ω) = [ xˆ1 (ω) , xˆ2 (ω) , , xˆ N (ω)]T A transmissibility function T i j (ω) is defined in frequency domain by T i j (ω) = xˆi

Ngày tải lên: 12/04/2021, 08:50

... Học Xây Dựng – ĐHXD HN ỨNG DỤNG ETABS TRONG TÍNH TỐN THIẾT KẾ NHÀ CAO TẦNG Extended 3D Analysis of Building Systems Version 8.5.0 KS GV Trần anh Bình BM: Tin Học Xây Dựng Trường Đại Học Xây Dựng ... Như Cầu) - Manual Etabs (CSI) - Three – Dimensional Static and Dynamic Analysis of Structures (Edward L.Winlson) - CSI Analysis Reference Manual (CSI) - Một số bảng tính Cơng ty Tư Vấn Thiết ... 17 Các dạng phân tích kết cấu .17 Modal Analysis .17 Diaphragm Centers of Rigidity, Centers of Mass 18 CHƯƠNG : KẾT CẤU HỆ THANH 21 I II Tổng

Ngày tải lên: 29/06/2021, 15:56

... 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 x2 (rad / s) _is the angular velocity of the pole g r _is the acceleration due to gravity 9.8m / s mc _is the mass of the cart (1.0kg ) mt _is the mass of the pole (0.lkg) ...  P a g e | 14 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

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°; ... a function of frequency Consequently, the latency is coupled in our analysis to the frequency and is represented by the phase-differences between a pair of time-series The proposed analysis method ... pair of time-series, where the last two were never introduced before Seed maps of the motor system were calculated to demonstrate the strength and capabilities of the analysis Unique types of functional

Ngày tải lên: 04/12/2022, 10:30

... Application of statistical linearization techniques to nonlinear multi-degree -of- freedom systems, Journal of Applied Mechanics, 1972, 39(2), 545–550 [93] W D Iwan, A generalization of the concept of equivalent ... propagation, Journal of the Mechanics and Physics of Solids, 2015, 78, 298–313 121 [65] M Şimşek, Nonlinear static and free vibration analysis of microbeams based on the nonlinear elastic foundation ... Response Surfaces, Journal of Engineering Mechanics, 2017, Volume 143 Issue [105] N D Anh, Duality in the analysis of responses to nonlinear systems, Vietnam Journal of Mechanics, VAST, 2010,

Ngày tải lên: 22/06/2023, 16:53

... Application of statistical linearization techniques to nonlinear multi-degree -of- freedom systems, Journal of Applied Mechanics, 1972, 39(2), 545–550 [93] W D Iwan, A generalization of the concept of equivalent ... propagation, Journal of the Mechanics and Physics of Solids, 2015, 78, 298–313 121 [65] M Şimşek, Nonlinear static and free vibration analysis of microbeams based on the nonlinear elastic foundation ... Response Surfaces, Journal of Engineering Mechanics, 2017, Volume 143 Issue [105] N D Anh, Duality in the analysis of responses to nonlinear systems, Vietnam Journal of Mechanics, VAST, 2010,

Ngày tải lên: 26/06/2023, 19:51

... 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 ... 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 in dB of the frequency ... 2πk) 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

... problematic of solving linear systems of interval equations. We will then introduce a new formulation of the problem, based on interval parameters which is adapted for the modeling of mechanical systems. An ... solutions of linear equations. Technical Report 620, Institute of Computer Science, Academy of Sciences of the Czech Republic. 22. J. Rohn and G. Rex, feb 1996 Enclosing solutions of linear equations. ... convergence of the iterative scheme. The smaller the spectral radius of |[G]|, the faster the convergence of the algorithm and the smaller the overestimation of the solution. 4.2. TEST OF THE NEW...

Ngày tải lên: 12/01/2014, 21:45

... it can be expressed as the sum of the internal energies of the parts of the system. Then the total internal energy change of the system becomes The specific volume of liquid water at or about room ... device whose piston is resting on top of a set of stops initially contains 0.5 kg of helium gas at 100 kPa and 25°C. The mass of the piston is such that 500 kPa of pressure is required to raise it. ... made of 5 kg of copper initially at the average temperature of the two gases on both sides. Answer: 56°C 4–140 Reconsider Prob. 4–139. Using EES (or other) software, investigate the effect of...

Ngày tải lên: 20/01/2014, 15:22