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Author : Anhtuan N. Ngo
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Multi-variable Control Law Design for a Tail-less Aircraft written by Anhtuan N. Ngo and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. J. D'Azzo
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Multivariable control law design for the X-29 aircraft written by J. J. D'Azzo and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Terry L. Courtheyn (MAJ, USAF.)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (132 download)
Download or read book Multivariable Control Law Design for the X-29 Aircraft written by Terry L. Courtheyn (MAJ, USAF.) and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael A. Masi
Publisher :
ISBN 13 :
Total Pages : 676 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings of the Workshop on Multivariable Control Systems written by Michael A. Masi and published by . This book was released on 1983 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: The workshop was organized and conducted by the Control Techniques Group, Flight Control Division, Flight Dynamics Laboratory, as part of an ongoing effort in flight control specification/criteria development. The workshop focused on the results of applying multivariable control techniques to the development of flight control systems for present day aircraft. This report contains condensed versions of the five papers presented at the workshop: (1) Multivariable Control Laws for the AFTI/F-16, (2) Design of a Complete Multivariable Digital Flight Control System, (3)Digital Multivariable Tracker Control Laws for the C-141-A Starlifter Aircraft; (4) High-Gain Error Actuated Flight Control Systems for Continuous Linear Multivariable Plants, and (5) Reconfigurable Digital Control Laws for the A-7D DIGITAC II Aircraft With Failed Primary Control Surfaces.
Author : Richard J. Adams
Publisher : Springer Science & Business Media
ISBN 13 : 1447121112
Total Pages : 175 pages
Book Rating : 4.4/5 (471 download)
Download or read book Robust Multivariable Flight Control written by Richard J. Adams and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Manual flight control system design for fighter aircraft is one of the most demanding problems in automatic control. Fighter aircraft dynamics generally have highly coupled uncertain and nonlinear dynamics. Multivariable control design techniques offer a solution to this problem. Robust Multivariable Flight Control provides the background, theory and examples for full envelope manual flight control system design. It gives a versatile framework for the application of advanced multivariable control theory to aircraft control problems. Two design case studies are presented for the manual flight control of lateral/directional axes of the VISTA-F-16 test vehicle and an F-18 trust vectoring system. They demonstrate the interplay between theory and the physical features of the systems.
Author :
Publisher :
ISBN 13 :
Total Pages : 307 pages
Book Rating : 4.:/5 (227 download)
Download or read book Multivariable Control Law Design for the X-29 Aircraft written by and published by . This book was released on 1984 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flight control laws are designed for the X-29 forward swept wing demonstrator aircraft using a design technique based on multivariable control law theory developed professor Brian Porter. The computer-aided design program called MULTI is used to develop and refine the control laws. MULTI also simulates the complete closed-loop control system and generated appropriate time response plots for analysis. Aircraft dynamics for several points in the flight envelope are represented by linearized state space equations obtained from NASA Dryden, and agency responsible for the development and testing of the X-29. Decoupled longitudinal and lateral equations are used to design separate longitudinal and lateral controllers. Control laws are developed to stabilize the aircraft and perform longitudinal maneuvers (direct climb, vertical translation, and beta pointing) at three different flight conditions, with and without first order-actuator dynamics and computational time delay added to the simulation. The responses are compared. Originator-supplied keywords include: Wings, Swept wings, Supercritical Wings, Flight control systems; Fly-by-wire control, and Airfoils.
Author :
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (317 download)
Download or read book Reconfigurable Multivariable Control Law for Commercial Airplane Using a Direct Digital Output Feedback Design written by and published by . This book was released on 1984 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Declan Bates
Publisher : IOS Press
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.3/5 (91 download)
Download or read book Robust Multivariable Control of Aerospace Systems written by Declan Bates and published by IOS Press. This book was released on 2002 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Classical design and analysis techniques, many of which date back to the 1950's, are still predominantly used in the aerospace industry for the design and analysis of automatic flight control and aero-engine control systems. The continued success and popularity of these techniques is particularly impressive considering the radical advances in aircraft and spacecraft design and avionics technology made over this period. Clearly, an understanding of both the advantages and limitations of these methods is essential in order to properly evaluate the likely usefulness of more modern techniques for the design and analysis of aerospace control systems. One of the themes of this book is that the multivariable robust control methods it describes are logical and natural extensions of the more classical methods, and not replacements for them. It is assumed that readers of this publication are already familiar with classical flight control techniques. Emphasis is on the philosophy, advantages and limitations of the classical approach to flight control system design and analysis. Abstracted in Inspec
Author : James F. Buffington
Publisher :
ISBN 13 : 9781423539599
Total Pages : 154 pages
Book Rating : 4.5/5 (395 download)
Download or read book Modular Control Law Design for the Innovative Control Effectors (ICE) Tailless Fighter Aircraft Configuration 101-3 written by James F. Buffington and published by . This book was released on 1999-06-01 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: A modular flight control system is developed for a tailless fighter aircraft with innovative control effectors. Dynamic inversion control synthesis is used to develop a full envelope flight control law. Minor dynamic inversion command variable revisions are required due to the tailless nature of the configuration studied to achieve nominal stability and performance. Structured singular value and simulation analysis shows that robust stability is achieved and robust performance is slightly deficient due to modeling errors. A multi- branch linear programming based method is developed and used for allocation of redundant limited control effectors.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (455 download)
Download or read book Application of Multivariable Control Theory to Aircraft Control Laws. Final Report: Multivariable Control Design Guidelines written by and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: THE RESEARCH COVERED IN THIS REPORT IS A RESULT OF THE TASKS IN THE CONTROL APPLICATION OF MULTIVARIABLE CONTROL THEORY TO AIRCRAFT CONTROL LAWS. THE REPORT IS WRITTEN TO PROVIDE GUIDELINES TO HELP CONTROL LAW DESIGNERS USE MULTIVARIABLE CONTROL THEORY FOR AIRCRAFT CONTROLS. THE REPORT IS ORGANIZED INTO THREE PARTS. THE FIRST INCLUDES DISCUSSIONS ON VARIOUS CONTROL METHODOLOGIES AND PRESENTATION OF FUNDAMENTALS OF CONTROL. THE SECOND DISCUSSES THE DESIGN AND ANALYSIS OF CONTROLS AS IT RELATES TO FIGHTER AIRCRAFT. FINALLY, THE THIRD SECTION GOES THROUGH THE SPECIFICS OF THREE DESIGN METHODOLOGIES USING FIGHTER AIRCRAFT FOR EXAMPLES.
Author :
Publisher :
ISBN 13 :
Total Pages : 534 pages
Book Rating : 4.:/5 (222 download)
Download or read book Application of Multivariable Control Theory to Aircraft Control Laws written by and published by . This book was released on 19?? with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Julio E. Velez
Publisher :
ISBN 13 :
Total Pages : 183 pages
Book Rating : 4.:/5 (227 download)
Download or read book Multivariable Control Law Design for the AFTI/F-16 with a Failed Control Surface Using a Parameter-Adaptive Controller written by Julio E. Velez and published by . This book was released on 1987 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multivariable control laws are designed for the Advanced Fighter Technology Integration F-16 (AFTI/F-16). Both fixed gain and adaptive Proportional plus Integral (PI) controllers are designed for a plant were the number of outputs are not equal to the number of inputs (rectangular plant). Simulations are conducted for a healthy and a failed aircraft model. The failure consists of reducing the left elevator by 50%. When the fixed gain controller is used for the flight control system, the simulation reveals the fact that the aircraft failure causes the output responses to diverge. If provided with a persistently exciting input the adaptive controller prevents the aircraft failure simulation from diverging and going unstable. However, additional testing and/or tuning of the adaptive controller is required to determine and enhance the stability of the adaptive controller.
Author : Daryl Hammond
Publisher :
ISBN 13 :
Total Pages : 422 pages
Book Rating : 4.:/5 (227 download)
Download or read book Multivariable Control Law Design for the Control Reconfigurable Combat Aircraft (CRCA). written by Daryl Hammond and published by . This book was released on 1988 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: Typically, control law analysis and design for an aircraft include separating the longitudinal and lateral equations of motion and designing control laws for each separate motion. The simplifying assumptions are often valid and do not adversely affect the analysis and design when aerodynamic cross-coupling is minimal. The Control Reconfigurable Combat Aircraft (CRCA) design includes an all-flying canard with 30 degrees of dihedral angle which prevents the normal separation of lateral and longitudinal equations because of high aerodynamic cross-coupling. The multivariable control law design used in this thesis incorporates the high gain error actuated Proportional plus Integral (PI) controller developed by Professor Brian Porter of the University of Salford, England. Control law development and simulation are preformed using the computer aided design program called mat. Two successful fixed gain controller design methods and an adaptive controller design are demonstrated. The three control surfaces on each wing are operated together, so they are treated in this thesis as one control effector. Thus, the five CRCA control inputs for this design consist of two canards, left trailing edge flaperon, right trailing edge flaperon, and rudder. An adaptive controller design, using a recursive least squares (RLS) parameter estimation algorithm, is developed for a self-tuning control system. Theses. (SDW).
Author :
Publisher :
ISBN 13 :
Total Pages : 145 pages
Book Rating : 4.:/5 (227 download)
Download or read book Direct Digital Design Method for Reconfigurable Multivariable Control Laws for the A-7D Digitac II Aircraft written by and published by . This book was released on 1980 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis investigates control of an aircraft when there is a primary control surface failure. The object of this study is to reconfigure the remaining control surfaces to compensate for the additional forces and moments generated by the inoperative control surface. To study this flight control problem, a comprehensive aircraft model is required which considers each control surface operating individually. A six degree-of-freedom aircraft model is developed, including all the individual control surfaces. A control surface input can produce both a lateral and/or a longitudinal response. Thus, the equations of motion cannot be decoupled for the design of the control laws. The coupling between the axes requires the derivation of several new non-dimensional control derivatives. Using the geometrical properties of the aircraft and the Digital Datcom computer program, the needed control derivatives are derived. The entire eigenstructure assignment method is used to assign both the eigenvalues and the eigenvectors to the closed-loop plant matrix. This method is used for the direct digital design of a multivariable discrete regulator and tracker control law. The effect of increasing the number of control inputs on the relative degree of controllability of the states was determined by singular value decomposition.
Author : Daryl Hammond (CAPT, USAF.)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (132 download)
Download or read book Multivariable Control Law Design for the Control Reconfigurable Combat Aircraft (CRCA). written by Daryl Hammond (CAPT, USAF.) and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kevin A. Sheehan
Publisher :
ISBN 13 :
Total Pages : 378 pages
Book Rating : 4.:/5 (227 download)
Download or read book Multivariable Control Law Design for Enhanced Air Combat Maneuvering. F-15/STOL (Short Take-Off and Landing) Derivative Fighter written by Kevin A. Sheehan and published by . This book was released on 1985 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proportional plus integral controllers are designed for the longitudinal mode using a multivariable control law theory developed by Professor Brian Porter of the University of Salford England. Control laws are formulated by use of a computer-aided multivariable design program entitled MULTI. In addition MULTI performs a digital closed-loop simulation for controller performance analysis. The aircraft model is developed from linearized data provided by McDonnell Aircraft Co. the prime contractor for the F-15/STOL. Canard and thrust vectoring technology, in addition to conventional control surfaces, are included in the model. Decoupling of the longitudinal output variables is achieved and demonstrated by four maneuvers (pitch-pointing, vertical translation, direct climb, and constant g pull-up). Plant parameter variation effects are also examined. Destabilizing effects to include actuator and sensor dynamics computational time delay random Gaussian sensor noise and simulation nonlinearities are included. Results show stable responses for all simulations. Except for the most demanding simulations (all destabilizing effects considered), controller responses are smooth and well behaved. Recommendations include proposed future work in thrust vector modeling and suggested improvements to the computer-aided design program, MULTI.
Author : Michael A. Masi
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book Proceedings of the Workshop on Multivariable Control Systems written by Michael A. Masi and published by . This book was released on 1983 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The workshop was organized and conducted by the Control Techniques Group, Flight Control Division, Flight Dynamics Laboratory, as part of an ongoing effort in flight control specification/criteria development. The workshop focused on the results of applying multivariable control techniques to the development of flight control systems for present day aircraft. This report contains condensed versions of the five papers presented at the workshop: (1) Multivariable Control Laws for the AFTI/F-16, (2) Design of a Complete Multivariable Digital Flight Control System, (3)Digital Multivariable Tracker Control Laws for the C-141-A Starlifter Aircraft; (4) High-Gain Error Actuated Flight Control Systems for Continuous Linear Multivariable Plants, and (5) Reconfigurable Digital Control Laws for the A-7D DIGITAC II Aircraft With Failed Primary Control Surfaces.
