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Book Scientific and Technical Aerospace Reports

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Book Technical Abstract Bulletin

Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Absolute Stability of Nonlinear Control Systems

Download or read book Absolute Stability of Nonlinear Control Systems written by Xiao-Xin Liao and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: As is well-known, a control system always works under a variety of accidental or continued disturbances. Therefore, in designing and analysing the control system, stability is the first thing to be considered. Classic control theory was basically limited to a discussion of linear systems with constant coefficients. The fundamental tools for such studies were the Routh-Hurwitz algebraic criterion and the Nyquist geometric criterion. However, modern control theory mainly deals with nonlinear problems. The stability analysis of nonlinear control systems based on Liapunov stability theory can be traced back to the Russian school of stability. In 1944, the Russian mathematician Lurie, a specialist in control theory, discussed the stability of an autopilot. The well-known Lurie problem and the concept of absolute stability are presented, which is of universal significance both in theory and practice. Up until the end of the 1950's, the field of absolute stability was monopolized mainly by Russian scholars such as A. 1. Lurie, M. A. Aizeman, A. M. Letov and others. At the beginning of the 1960's, some famous American mathematicians such as J. P. LaSalle, S. Lefschetz and R. E. Kalman engaged themself in this field. Meanwhile, the Romanian scholar Popov presented a well-known frequency criterion and consequently ma de a decisive breakthrough in the study of absolute stability.

Book Absolute Stability of Nonlinear Control Systems

Download or read book Absolute Stability of Nonlinear Control Systems written by Xiaoxin Liao and published by Springer Science & Business Media. This book was released on 2008-07-16 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following the recent developments in the field of absolute stability, Prof. Xiaoxin Liao, in conjunction with Prof. Pei Yu, has created a second edition of his seminal work on the subject. Liao begins with an introduction to the Lurie problem and Lurie control system, before moving on to the simple algebraic sufficient conditions for the absolute stability of autonomous and non-autonomous ODE systems, as well as several special classes of Lurie-type systems. The focus of the book then shifts toward the new results and research that have appeared in the decade since the first edition was published. This book is aimed to be used by undergraduates in the areas of applied mathematics, nonlinear control systems, and chaos control and synchronisation, but may also be useful as a reference for researchers and engineers. The book is self-contained, though a basic knowledge of calculus, linear system and matrix theory, and ordinary differential equations is a prerequisite.

Book Investigation of Nonlinear Control Systems Part 8 Oscillations in Control Systems

Download or read book Investigation of Nonlinear Control Systems Part 8 Oscillations in Control Systems written by Nicholas Minorsky and published by . This book was released on 1967 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is devoted to the general survey of methods dealing with oscillations in control systems. Chapter headings include Outline of the classical theory; Stroboscopic method; Piece-wise linear idealization; Piece-wise linear theory and Programming control. The work is Part 8 of a general investigation of Nonlinear Control Systems.

Book Frequency domain Methods For Nonlinear Analysis Theory And Applications

Download or read book Frequency domain Methods For Nonlinear Analysis Theory And Applications written by Gennady A Leonov and published by World Scientific. This book was released on 1996-05-09 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the investigation of global attractors of nonlinear dynamical systems. The exposition proceeds from the simplest attractor of a single equilibrium to more complicated ones, i.e. to finite, denumerable and continuum equilibria sets; and further, to cycles, homoclinic and heteroclinic orbits; and finally, to strange attractors consisting of irregular unstable trajectories. On the complicated equilibria sets, the methods of Lyapunov stability theory are transferred. They are combined with stability techniques specially elaborated for such sets. The results are formulated as frequency-domain criteria. The methods connected with the theorems of existence of cycles and homoclinic orbits are developed. The estimates of Hausdorff dimensions of attractors are presented.

Book Stability of Nonlinear Control Systems

Download or read book Stability of Nonlinear Control Systems written by Lefschetz and published by Academic Press. This book was released on 1965-01-01 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stability of Nonlinear Control Systems

Book Philosophy of Nonlinear Control Systems

Download or read book Philosophy of Nonlinear Control Systems written by Boris Nikolaevich Naumov and published by Springer. This book was released on 1990 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Nonlinear Control Systems

Download or read book Nonlinear Control Systems written by Zoran Vukic and published by CRC Press. This book was released on 2003-02-04 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text emphasizes classical methods and presents essential analytical tools and strategies for the construction and development of improved design methods in nonlinear control. It offers engineering procedures for the frequency domain, as well as solved examples for clear understanding of control applications in the industrial, electrical, process, manufacturing, and automotive industries. The authors discuss Properties of nonlinear systems, stability, linearization methods, operating modes and dynamic analysis methods, phase trajectories in dynamic analysis of nonlinear systems, and harmonic linearization in dynamic analysis of nonlinear control systems operating in stabilization mode.

Book Absolute Stability of Nonlinear Control Systems

Download or read book Absolute Stability of Nonlinear Control Systems written by Xiao-Xin Liao and published by Springer. This book was released on 2014-01-15 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents an overview of some recent developments on the absolute stability of nonlinear control systems. Chapter 1 introduces the main tools and the principal results used in this book, such as Lyapunov functions, K-class functions, Dini-derivatives, M-matrices and the principal theorems on global stability. Chapter 2 presents the absolute stability theory of autonomous control systems and the well-known Lurie problem. Chapter 3 gives some simple algebraic necessary and sufficient conditions for the absolute stability of several special control systems. Chapter 4 discusses nonautonomous and discrete control systems. Chapter 5 deals with the absolute stability of control systems with m nonlinear control terms. Chapter 6 devotes itself to the absolute stability of control systems described by functional differential equations. The book concludes with a useful bibliography. For applied mathematicians, and engineers whose work involves control systems.