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Aircraft Control Allocation
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Book Synopsis Aircraft Control Allocation by : Wayne Durham
Download or read book Aircraft Control Allocation written by Wayne Durham and published by John Wiley & Sons. This book was released on 2017-01-17 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aircraft Control Allocation Wayne Durham, Virginia Polytechnic Institute and State University, USA Kenneth A. Bordignon, Embry-Riddle Aeronautical University, USA Roger Beck, Dynamic Concepts, Inc., USA An authoritative work on aircraft control allocation by its pioneers Aircraft Control Allocation addresses the problem of allocating supposed redundant flight controls. It provides introductory material on flight dynamics and control to provide the context, and then describes in detail the geometry of the problem. The book includes a large section on solution methods, including 'Banks' method', a previously unpublished procedure. Generalized inverses are also discussed at length. There is an introductory section on linear programming solutions, as well as an extensive and comprehensive appendix dedicated to linear programming formulations and solutions. Discrete-time, or frame-wise allocation, is presented, including rate-limiting, nonlinear data, and preferred solutions. Key features: Written by pioneers in the field of control allocation. Comprehensive explanation and discussion of the major control allocation solution methods. Extensive treatment of linear programming solutions to control allocation. A companion web site contains the code of a MATLAB/Simulink flight simulation with modules that incorporate all of the major solution methods. Includes examples based on actual aircraft. The book is a vital reference for researchers and practitioners working in aircraft control, as well as graduate students in aerospace engineering.
Book Synopsis Aircraft Control Allocation by : Wayne Durham
Download or read book Aircraft Control Allocation written by Wayne Durham and published by John Wiley & Sons. This book was released on 2016-11-15 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aircraft Control Allocation An authoritative work on aircraft control allocation by its pioneers Aircraft Control Allocation addresses the problem of allocating redundant flight controls. It provides introductory material on flight dynamics and control to provide the context, and then describes in detail the geometry of the problem. The book includes a large section on solution methods, including ‘Banks’ method’, a previously unpublished procedure. Generalized inverses are also discussed at length. There is an introductory section on linear programming solutions, as well as an extensive and comprehensive appendix on linear programming formulations and solutions. Discrete-time or ‘frame-wise’ allocation is described, including rate-limiting, nonlinear data, and preferred solutions. Key features: Written by pioneers in the field of control allocation Comprehensive explanation and discussion of the major control-allocation solution methods Extensive treatment of linear programming solutions to control allocation A companion web site contains the code of a MATLAB/Simulink light simulation with modules that incorporate all of the major solution methods Includes examples based on actual aircraft The book is a vital reference for researchers and practitioners working in aircraft control, as well as graduate students in aerospace engineering.
Book Synopsis Aircraft Control Allocation by : Wayne Durham
Download or read book Aircraft Control Allocation written by Wayne Durham and published by John Wiley & Sons. This book was released on 2016-11-16 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aircraft Control Allocation An authoritative work on aircraft control allocation by its pioneers Aircraft Control Allocation addresses the problem of allocating redundant flight controls. It provides introductory material on flight dynamics and control to provide the context, and then describes in detail the geometry of the problem. The book includes a large section on solution methods, including ‘Banks’ method’, a previously unpublished procedure. Generalized inverses are also discussed at length. There is an introductory section on linear programming solutions, as well as an extensive and comprehensive appendix on linear programming formulations and solutions. Discrete-time or ‘frame-wise’ allocation is described, including rate-limiting, nonlinear data, and preferred solutions. Key features: Written by pioneers in the field of control allocation Comprehensive explanation and discussion of the major control-allocation solution methods Extensive treatment of linear programming solutions to control allocation A companion web site contains the code of a MATLAB/Simulink light simulation with modules that incorporate all of the major solution methods Includes examples based on actual aircraft The book is a vital reference for researchers and practitioners working in aircraft control, as well as graduate students in aerospace engineering.
Book Synopsis Aircraft Flight Dynamics and Control by : Wayne Durham
Download or read book Aircraft Flight Dynamics and Control written by Wayne Durham and published by John Wiley & Sons. This book was released on 2013-07-18 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aircraft Flight Dynamics and Control addresses airplane flight dynamics and control in a largely classical manner, but with references to modern treatment throughout. Classical feedback control methods are illustrated with relevant examples, and current trends in control are presented by introductions to dynamic inversion and control allocation. This book covers the physical and mathematical fundamentals of aircraft flight dynamics as well as more advanced theory enabling a better insight into nonlinear dynamics. This leads to a useful introduction to automatic flight control and stability augmentation systems with discussion of the theory behind their design, and the limitations of the systems. The author provides a rigorous development of theory and derivations and illustrates the equations of motion in both scalar and matrix notation. Key features: Classical development and modern treatment of flight dynamics and control Detailed and rigorous exposition and examples, with illustrations Presentation of important trends in modern flight control systems Accessible introduction to control allocation based on the author's seminal work in the field Development of sensitivity analysis to determine the influential states in an airplane's response modes End of chapter problems with solutions available on an accompanying website Written by an author with experience as an engineering test pilot as well as a university professor, Aircraft Flight Dynamics and Control provides the reader with a systematic development of the insights and tools necessary for further work in related fields of flight dynamics and control. It is an ideal course textbook and is also a valuable reference for many of the necessary basic formulations of the math and science underlying flight dynamics and control.
Book Synopsis High-level Command and Optimal Control Allocation for Reconfigurable Aircraft Control Systems by : Mark Leatherwood
Download or read book High-level Command and Optimal Control Allocation for Reconfigurable Aircraft Control Systems written by Mark Leatherwood and published by . This book was released on 2002 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tailless Aircraft Control Allocation by :
Download or read book Tailless Aircraft Control Allocation written by and published by . This book was released on 1997 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents a flight controller for a tail-less aircraft with a large suite of conventional and unconventional control effectors. The controller structure is modular to take advantages of individual technologies from the areas of plant parameter estimation, control allocation, and robust feedback control. Linear models generated off-line provide plant parameter estimates for control. Dynamic inversion control provides direct satisfaction of flying qualities requirements in the presence of uncertainties. The focus of this paper, however, is control allocation. Control allocation is posed as constrained parameter optimization to minimize an objective that is a function of the control surface deflections. The control law is decomposed into a sequence of prioritized partitions, and additional optimization variables scale the control partitions to provide optimal command limiting which prevent actuator saturation. Analysis shows that appropriate prioritization of dynamic inversion control laws provides graceful command and loop response degradation for unachievable commands. Preliminary simulation results show that command variable response remains decoupled for unachievable commands while other command limiting methods may result in unacceptable coupled response.
Download or read book En Rævefar written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improving Control Allocation Accuracy for Nonlinear Aircraft Dynamics by : David B. Doman
Download or read book Improving Control Allocation Accuracy for Nonlinear Aircraft Dynamics written by David B. Doman and published by . This book was released on 2002 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: The forces and moments produced by a vehicle's aerodynamic control surfaces are often nonlinear functions of control surface deflection. This phenomenon limits the accuracy of state-of-the-art control allocation algorithms since all of the approaches are based on the assumption that the control variable rates are linear functions of the surface deflections and that control variable rate increments are not produced for zero deflections. The errors introduced by this assumption are currently mitigated by the robustness resulting from feedback control laws. A method for improving the performance of the feedback control/control allocation system is presented that directly attacks the inaccuracies introduced by these linear assumptions.
Author :Guillaume J. J. Ducard Publisher :Springer Science & Business Media ISBN 13 :1848825617 Total Pages :268 pages Book Rating :4.8/5 (488 download)
Book Synopsis Fault-tolerant Flight Control and Guidance Systems by : Guillaume J. J. Ducard
Download or read book Fault-tolerant Flight Control and Guidance Systems written by Guillaume J. J. Ducard and published by Springer Science & Business Media. This book was released on 2009-05-14 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a complete overview of fault-tolerant flight control techniques. Discussion covers the necessary equations for the modeling of small UAVs, a complete system based on extended Kalman filters, and a nonlinear flight control and guidance system.
Book Synopsis Fault Tolerant Flight Control by : Christopher Edwards
Download or read book Fault Tolerant Flight Control written by Christopher Edwards and published by Springer. This book was released on 2010-04-18 with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by leading experts in the field, this book provides the state-of-the-art in terms of fault tolerant control applicable to civil aircraft. The book consists of five parts and includes online material.
Book Synopsis Aircraft Control and Simulation by : Brian L. Stevens
Download or read book Aircraft Control and Simulation written by Brian L. Stevens and published by John Wiley & Sons. This book was released on 2015-10-02 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get a complete understanding of aircraft control and simulation Aircraft Control and Simulation: Dynamics, Controls Design, and Autonomous Systems, Third Edition is a comprehensive guide to aircraft control and simulation. This updated text covers flight control systems, flight dynamics, aircraft modeling, and flight simulation from both classical design and modern perspectives, as well as two new chapters on the modeling, simulation, and adaptive control of unmanned aerial vehicles. With detailed examples, including relevant MATLAB calculations and FORTRAN codes, this approachable yet detailed reference also provides access to supplementary materials, including chapter problems and an instructor's solution manual. Aircraft control, as a subject area, combines an understanding of aerodynamics with knowledge of the physical systems of an aircraft. The ability to analyze the performance of an aircraft both in the real world and in computer-simulated flight is essential to maintaining proper control and function of the aircraft. Keeping up with the skills necessary to perform this analysis is critical for you to thrive in the aircraft control field. Explore a steadily progressing list of topics, including equations of motion and aerodynamics, classical controls, and more advanced control methods Consider detailed control design examples using computer numerical tools and simulation examples Understand control design methods as they are applied to aircraft nonlinear math models Access updated content about unmanned aircraft (UAVs) Aircraft Control and Simulation: Dynamics, Controls Design, and Autonomous Systems, Third Edition is an essential reference for engineers and designers involved in the development of aircraft and aerospace systems and computer-based flight simulations, as well as upper-level undergraduate and graduate students studying mechanical and aerospace engineering.
Book Synopsis Efficient Active Set Algorithms for Solving Constrained Least Squares Problems in Aircraft Control Allocation by : Ola Härkegård
Download or read book Efficient Active Set Algorithms for Solving Constrained Least Squares Problems in Aircraft Control Allocation written by Ola Härkegård and published by . This book was released on 2002 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aircraft Control Task Allocation by : USAF Instrument Pilot Instructor School
Download or read book Aircraft Control Task Allocation written by USAF Instrument Pilot Instructor School and published by . This book was released on 1965 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Constrained Control Allocation Methods for Reconfigurable Flight Control Laws by :
Download or read book Constrained Control Allocation Methods for Reconfigurable Flight Control Laws written by and published by . This book was released on 2000 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the project was to develop and analyze methods for control in the presence of actuator saturation. Algorithms were investigated for control allocation, that is, for the problem of distributing control requirements among redundant actuators. A new implementation of the direct allocation method of Durham was proposed. The direct allocation method was chosen because it utilized all of the attainable moment set. A special representation of the moment set in spherical coordinates was considered to speed-up the real- time computations and two rapid search methods were developed and successfully implemented. The direct allocation method was also extended to systems that had previously been excluded, namely those for which subsets of three actuator commands produce linearly dependent moments. Testing of the algorithms was performed using simulation models of a military transport aircraft and of a tailless aircraft.
Book Synopsis Reconfigurable Control Allocation Design with Applications to Unmanned Aerial Vehicle and Aircraft by : Qing-Li Zhou
Download or read book Reconfigurable Control Allocation Design with Applications to Unmanned Aerial Vehicle and Aircraft written by Qing-Li Zhou and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stability and Control of Aircraft Systems by : Roy Langton
Download or read book Stability and Control of Aircraft Systems written by Roy Langton and published by John Wiley & Sons. This book was released on 2006-11-02 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the current climate of increasing complexity and functional integration in all areas of engineering and technology, stability and control are becoming essential ingredients of engineering knowledge. Many of today’s products contain multiple engineering technologies, and what were once simple mechanical, hydraulic or pneumatic products now contain integrated electronics and sensors. Control theory reduces these widely varied technical components into their important dynamic characteristics, expressed as transfer functions, from which the subtleties of dynamic behaviours can be analyzed and understood. Stability and Control of Aircraft Systems is an easy-to-read and understand text that describes control theory using minimal mathematics. It focuses on simple rules, tools and methods for the analysis and testing of feedback control systems using real systems engineering design and development examples. Clarifies the design and development of feedback control systems Communicates the theory in an accessible manner that does not require the reader to have a strong mathematical background Illustrated throughout with figures and tables Stability and Control of Aircraft Systems provides both the seasoned engineer and the graduate with the know-how necessary to minimize problems with fielded systems in the area of operational performance.
Book Synopsis Reconfigurable Flight Control Designs with Application to the X-33 Vehicle by : John J. Burken
Download or read book Reconfigurable Flight Control Designs with Application to the X-33 Vehicle written by John J. Burken and published by . This book was released on 1999 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two methods for control system reconfiguration have been investigated. The first method is a robust servomechanism control approach (optimal tracking problem) that is a generalization of the classical proportional-plus-integral control to multiple input-multiple output systems. The second method is a control-allocation approach based on a quadratic programming formulation. A globally convergent fixed-point iteration algorithm has been developed to make onboard implementation of this method feasible. These methods have been applied to reconfigurable entry flight control design for the X-33 vehicle. Examples presented demonstrate simultaneous tracking of angle-of-attack and roll angle commands during failures of the right body flap actuator. Although simulations demonstrate success of the first method in most cases, the control-allocation method appears to provide uniformly better performance in all cases.
