The remarkable feature of sliding mode control (SMC) is the stability robustness against disturbances and variations of the system. However to design SMC, the exact model of the plant has to be known. Moreover the large gain of an SMC may intensify the chattering on the sliding surface. To cope with[r]
Tóm tắt Bài báo này trình bày sơ đồ cấu trúc của hệ thống truyền động điện thủy lực sử dụng van sécvô kiểu vòi phun tấm chắn, thiết lập các phương trình mô tả hoạt động của hệ thống, xây dựng mô hình mô phỏng trên Simulink; dựa trên mô hình này, thực hiện khảo sát các đặc tính tĩnh học và[r]
The effect of the periodic oscillation of the gravitational field, known as g-jitter, on the free convection from a vertical plate is investigated in the present paper. The problem has been simplified by the laminar boundary layer and Boussinesq approximations. The fully implicit finite-difference s[r]
We consider a class of stochastic functional differential equations with distributed delays whose coefficients are superlinear growth and H¨older continuous with respect to the delay components. We introduce an EulerMaruyama approximation scheme for these equations and study their strong rate of con[r]
Squeezing properties of the Hillery-type N-powered amplitude are investigated in the linear and nonlinear fan-state. For a given k, squeezing may appear to the even power N = 2k and the number of directions along which the Nth-powered amplitude is squeezed is exactly equal to N, in both linear (the[r]
A New Modeling of the Macpherson Suspension System and its Optimal PolePlacement Control KeumShik Hong School of Mechanical Engineering Pusan National University Pusan, 609735 Korea DongSeop Jeon Graduate College Pusan National University Pusan, 609735 Korea HyunChul Sohn‡ Graduate College Pusan[r]
The notions of equivalence and strict equivalence for order one differential equations of the form f(y 0 , y,z) = 0 are introduced. The more explicit notion of strict equivalence is applied to examples and questions concerning autonomous equations and equations having the Painleve property. The ´ or[r]
Ổn định kích thích nhỏ và ứng dụng trên Phần mềm PSSE.NỘI DUNG CHÍNH PHẦN 21 (small signal stability and application of small signal stability): 1. Transient Stability: a. Time Domain Analysis. b. Step wise Integration of Differential Equations. 2. SmallSignal Stability. a. Frequency Domain An[r]
t. The stability analysis for linear implicit mth order difference equations is discussed. We allow the leading coefficient coefficient to be singular, i.e., we include the situation that the system does not generate an explicit recursion. A spectral condition for the characterization of asymptotic[r]
Abstract. This paper studies both nonautonomous stochastic differential equations and stochastic differential delay equations with Markovian switching. A new result on almost sure stability of stochastic differential equations is given. Moreover, we provide new conditions for tightness and almost su[r]
For the first time, the finitetime stabilization with guaranteed cost control for linear autonomous timevarying delay systems with bounded controls is studied in this paper. Based on the Lyapunov functional method and a generalized Jensen integral inequality, novel sufficient conditions for designin[r]
This paper deals with the problem of global exponential stabilization for a class of nonautonomous cellular neural networks with timevarying delays. The system under consideration is subject to timevarying coefficients and timevaying delays. Two cases of timevarying delays are considered: (i) the de[r]
is textbook is ideal for an undergraduate course in Engineering System Dynamics and Controls. It is intended to provide the reader with a thorough understanding of the process of creating mathematical (and computerbased) models of physical systems. The material is restricted to lumped parameter mode[r]
The main objective of the present note is to study positive solutions of the following interesting system of integral equations in Rn u(x) = Z Rn |x − y| p v(y) −q dy, v(x) = Z Rn |x − y| pu(y) −q dy, (0.1) with p, q > 0 and n > 1. Under the nonnegative Lebesgue measurability condition for[r]
Abstract. For given ktuples of commuting matrices (A1, ..., Ak) and (B1, ..., Bk) of dimensions m × m and n × n, respectively, we prove that the system of Sylvester equations AiX − XBi = Ci (i = 1, ..., k) has a simultaneous solution X such that
... 3021 23 Chapter Graphene Oxide Induced Aggregation of Thiophene-Acrylonitrile-Carbazole Oligomer and Their Nonlinear Optical Limiting Properties 3.1 Introduction Nonlinear Optical limiting (NLO)... rational modification of both the electronic structure and conductivity of graphene sheets accompa[r]
This book is intended to provide the engineer with technical information on subsynchronous resonance (SSR), and to show how the computation of eigenvalues for the study of SSR in an interconnected power system can be accomplished. It is primarily a book on mathematical modeling.[r]
Routh-Hurwitz (1)•! The system is unstable if–! any of the coefficients ai is zero or negativewhile at least one is positive–! There is at least one sign change in thefirst column of the matrix H•! The matrix H is given byIntroduction to AeroelasticityRouth-Hurwitz (2)•! The con[r]
ABSTRACT. We consider simultaneous solutions of operator Sylvester equations AiX − XBi = Ci , (1 ≤ i ≤ k), where (A1, ..., Ak) and (B1, ..., Bk) are commuting ktuples of bounded linear operators on Banach spaces E and F, respectively, and (C1, ..., Ck) is a (compatible) ktuple of bounded linear oper[r]