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Author : Robert M. Whitley
Publisher :
ISBN 13 :
Total Pages : 332 pages
Book Rating : 4.:/5 (75 download)
Download or read book Modeling, Simulation, and Control System Design for the Westland Lynx Helicopter written by Robert M. Whitley and published by . This book was released on 2005 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Beibei Ren
Publisher : Springer Science & Business Media
ISBN 13 : 1461415632
Total Pages : 243 pages
Book Rating : 4.4/5 (614 download)
Download or read book Modeling, Control and Coordination of Helicopter Systems written by Beibei Ren and published by Springer Science & Business Media. This book was released on 2012-02-02 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling, Control and Coordination of Helicopter Systems provides a comprehensive treatment of helicopter systems, ranging from related nonlinear flight dynamic modeling and stability analysis to advanced control design for single helicopter systems, and also covers issues related to the coordination and formation control of multiple helicopter systems to achieve high performance tasks. Ensuring stability in helicopter flight is a challenging problem for nonlinear control design and development. This book is a valuable reference on modeling, control and coordination of helicopter systems,providing readers with practical solutions for the problems that still plague helicopter system design and implementation. Readers will gain a complete picture of helicopters at the systems level, as well as a better understanding of the technical intricacies involved.
Author : Scott Almburg
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (646 download)
Download or read book Design and Simulation of a Model Helicopter Control System written by Scott Almburg and published by . This book was released on 2008 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ioannis A. Raptis
Publisher : Springer Science & Business Media
ISBN 13 : 9400700237
Total Pages : 210 pages
Book Rating : 4.4/5 (7 download)
Download or read book Linear and Nonlinear Control of Small-Scale Unmanned Helicopters written by Ioannis A. Raptis and published by Springer Science & Business Media. This book was released on 2010-09-28 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has been significant interest for designing flight controllers for small-scale unmanned helicopters. Such helicopters preserve all the physical attributes of their full-scale counterparts, being at the same time more agile and dexterous. This book presents a comprehensive and well justified analysis for designing flight controllers for small-scale unmanned helicopters guarantying flight stability and tracking accuracy. The design of the flight controller is a critical and integral part for developing an autonomous helicopter platform. Helicopters are underactuated, highly nonlinear systems with significant dynamic coupling that needs to be considered and accounted for during controller design and implementation. Most reliable mathematical tools for analysis of control systems relate to modern control theory. Modern control techniques are model-based since the controller architecture depends on the dynamic representation of the system to be controlled. Therefore, the flight controller design problem is tightly connected with the helicopter modeling. This book provides a step-by-step methodology for designing, evaluating and implementing efficient flight controllers for small-scale helicopters. Design issues that are analytically covered include: • An illustrative presentation of both linear and nonlinear models of ordinary differential equations representing the helicopter dynamics. A detailed presentation of the helicopter equations of motion is given for the derivation of both model types. In addition, an insightful presentation of the main rotor's mechanism, aerodynamics and dynamics is also provided. Both model types are of low complexity, physically meaningful and capable of encapsulating the dynamic behavior of a large class of small-scale helicopters. • An illustrative and rigorous derivation of mathematical control algorithms based on both the linear and nonlinear representation of the helicopter dynamics. Flight controller designs guarantee that the tracking objectives of the helicopter's inertial position (or velocity) and heading are achieved. Each controller is carefully constructed by considering the small-scale helicopter's physical flight capabilities. Concepts of advanced stability analysis are used to improve the efficiency and reduce the complexity of the flight control system. Controller designs are derived in both continuous time and discrete time covering discretization issues, which emerge from the implementation of the control algorithm using microprocessors. • Presentation of the most powerful, practical and efficient methods for extracting the helicopter model parameters based on input/output responses, collected by the measurement instruments. This topic is of particular importance for real-life implementation of the control algorithms. This book is suitable for students and researches interested in the development and the mathematical derivation of flight controllers for small-scale helicopters. Background knowledge in modern control is required.
Author : Gareth D. Padfield, CEng, PhD, FRAeS
Publisher : Wiley-Blackwell
ISBN 13 : 0470691166
Total Pages : 680 pages
Book Rating : 4.4/5 (76 download)
Download or read book Helicopter Flight Dynamics written by Gareth D. Padfield, CEng, PhD, FRAeS and published by Wiley-Blackwell. This book was released on 2008-04-15 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt: The behaviour of helicopters is so complex that understanding the physical mechanisms at work in trim, stability and response, and thus the prediction of Flying Qualities, requires a framework of analytical and numerical modelling and simulation. Good Flying Qualities are vital for ensuring that mission performance is achievable with safety and, in the first edition of Helicopter Flight Dynamics, a comprehensive treatment of design criteria was presented. In this second edition, the author complements this with a new Chapter on Degraded Flying Qualities, drawing examples from flight in poor visibility, failure of control functions and encounters with severe atmospheric disturbances. Fully embracing the consequences of Degraded Flying Qualities during the design phase will contribute positively to safety. The accurate prediction and assessment of Flying Qualities draws on the modelling and simulation discipline on the one hand and testing methodologies on the other. Checking predictions in flight requires clearly defined ‘mission-task-elements’, derived from missions with realistic performance requirements. High fidelity simulations also form the basis for the design of stability and control augmentation systems, essential for conferring Level 1 Flying Qualities. The integrated description of flight dynamic modelling, simulation and flying qualities forms the subject of this book, which will be of interest to engineers in research laboratories and manufacturing industry, test pilots and flight test engineers, and as a reference for graduate and postgraduate students in aerospace engineering. The Author Gareth Padfield, a Fellow of the Royal Aeronautical Society, is the Bibby Professor of Aerospace Engineering at the University of Liverpool. He is an aeronautical engineer by training and has spent his career to date researching the theory and practice of flight for both fixed-wing aeroplanes and rotorcraft. During his years with the UK’s Royal Aircraft Establishment and Defence Evaluation and Research Agency, he conducted research into rotorcraft dynamics, handling qualities and flight control. His work has involved a mix of flight testing, creating and testing simulation models and developing analytic approximations to describe flight behaviour and handling qualities. Much of his research has been conducted in the context of international collaboration – with the Technical Co-operation Programme, AGARD and GARTEUR as well as more informal collaborations with industry, universities and research centres worldwide. He is very aware that many accomplishments, including this book, could not have been achieved without the global networking that aerospace research affords. During the last 8 years as an academic, the author has continued to develop his knowledge and understanding in flight dynamics, not only through research, but also through teaching the subject at undergraduate level; an experience that affords a new and deeper kind of learning that, hopefully, readers of this book will benefit from.
Author : Gareth D. Padfield
Publisher : John Wiley & Sons
ISBN 13 : 111940102X
Total Pages : 856 pages
Book Rating : 4.1/5 (194 download)
Download or read book Helicopter Flight Dynamics written by Gareth D. Padfield and published by John Wiley & Sons. This book was released on 2018-09-07 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Book The behaviour of helicopters and tiltrotor aircraft is so complex that understanding the physical mechanisms at work in trim, stability and response, and thus the prediction of Flying Qualities, requires a framework of analytical and numerical modelling and simulation. Good Flying Qualities are vital for ensuring that mission performance is achievable with safety and, in the first and second editions of Helicopter Flight Dynamics, a comprehensive treatment of design criteria was presented, relating to both normal and degraded Flying Qualities. Fully embracing the consequences of Degraded Flying Qualities during the design phase will contribute positively to safety. In this third edition, two new Chapters are included. Chapter 9 takes the reader on a journey from the origins of the story of Flying Qualities, tracing key contributions to the developing maturity and to the current position. Chapter 10 provides a comprehensive treatment of the Flight Dynamics of tiltrotor aircraft; informed by research activities and the limited data on operational aircraft. Many of the unique behavioural characteristics of tiltrotors are revealed for the first time in this book. The accurate prediction and assessment of Flying Qualities draws on the modelling and simulation discipline on the one hand and testing practice on the other. Checking predictions in flight requires clearly defined mission tasks, derived from realistic performance requirements. High fidelity simulations also form the basis for the design of stability and control augmentation systems, essential for conferring Level 1 Flying Qualities. The integrated description of flight dynamic modelling, simulation and flying qualities of rotorcraft forms the subject of this book, which will be of interest to engineers practising and honing their skills in research laboratories, academia and manufacturing industries, test pilots and flight test engineers, and as a reference for graduate and postgraduate students in aerospace engineering.
Author : T. Wilcock
Publisher :
ISBN 13 : 9780114709792
Total Pages : 56 pages
Book Rating : 4.7/5 (97 download)
Download or read book A Piloted Flight Simulation of the Westland Lynx written by T. Wilcock and published by . This book was released on 1976 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jayanth Krishnamurthi
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659473227
Total Pages : 104 pages
Book Rating : 4.4/5 (732 download)
Download or read book Design and Simulation of a Control System for Helicopter Slung Loads written by Jayanth Krishnamurthi and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: A control design method to address low-speed stability and handling qualities issues of helicopter slung load operations is presented. A simple model was developed using first principle physics with application of basic control techniques to understand the couple dynamics. Subsequently, a non-linear slung load model was developed and integrated with the GenHel-PSU simulation of the UH-60A. Linear model frequency responses were verified against AFDD OVERCAST models and flight data. A control architecture based on dynamic inversion was developed, combining fuselage and load state feedback. Slung load states were incorporated in feedback linearization and lagged cable angle feedback was introduced. A controller that uses only lagged cable angle feedback (and no load states in feedback linearization) was also investigated. Sensitivity to load parameter variations and optimization methodologies were considered in aiding the design process. The controller and its variations demonstrated key trade-offs between load swing damping and piloted response. The controller was robust and maintained closed-loop stability for a wide range of load mass and cable length values.
Author : Bruce A. Francis
Publisher : Taylor & Francis
ISBN 13 : 9783540317548
Total Pages : 452 pages
Book Rating : 4.3/5 (175 download)
Download or read book Control of Uncertain Systems: Modelling, Approximation, and Design written by Bruce A. Francis and published by Taylor & Francis. This book was released on 2006-03-07 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Festschrift contains a collection of articles by friends, co-authors, colleagues, and former Ph.D. students of Keith Glover, Professor of Engineering at the University of Cambridge, on the occasion of his sixtieth birthday. Professor Glover's scientific work spans a wide variety of topics, the main themes being system identification, model reduction and approximation, robust controller synthesis, and control of aircraft and engines. The articles in this volume are a tribute to Professor Glover's seminal work in these areas.
Author : David J. Murray-Smith
Publisher : Springer
ISBN 13 : 3319150995
Total Pages : 258 pages
Book Rating : 4.3/5 (191 download)
Download or read book Testing and Validation of Computer Simulation Models written by David J. Murray-Smith and published by Springer. This book was released on 2015-10-08 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: This must-read text/reference provides a practical guide to processes involved in the development and application of dynamic simulation models, covering a wide range of issues relating to testing, verification and validation. Illustrative example problems in continuous system simulation are presented throughout the book, supported by extended case studies from a number of interdisciplinary applications. Topics and features: provides an emphasis on practical issues of model quality and validation, along with questions concerning the management of simulation models, the use of model libraries, and generic models; contains numerous step-by-step examples; presents detailed case studies, often with accompanying datasets; includes discussion of hybrid models, which involve a combination of continuous system and discrete-event descriptions; examines experimental modeling approaches that involve system identification and parameter estimation; offers supplementary material at an associated website.
Author : Christian Bermes
Publisher : Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN 13 : 9783838121987
Total Pages : 176 pages
Book Rating : 4.1/5 (219 download)
Download or read book Design and Dynamic Modeling of Autonomous Coaxial Micro Helicopters written by Christian Bermes and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2012-07 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a result of the European framework project muFly, aiming at the design and realization of an autonomous micro helicopter comparable to a small bird in size and mass. It introduces two prototype designs for the muFly helicopter: a modular one for fast sensor and actuator exchange and easy configuration testing, and a highly integrated design to reduce the total mass and integrate the complete sensor set for autonomous flight. Furthermore, a theoretical foundation for coaxial micro helicopter design is laid. In particular focus are passive stabilization and steering principles of the helicopter. A modular dynamic model is developed, which incorporates the characteristics of a hingeless rotor system, two optional steering principles, and a stabilizer bar module, which is also validated experimentally. Finally, the dynamic model is used for a design parameter study of the most relevant system design parameters. It aims at passive roll and pitch stabilization of the helicopter without a stabilizer bar. By illuminating the aspects of prototype design, dynamic modeling, simulation, and design parameter optimization, this book is a contribution towards palm-sized MAVs.
Author : Robert Niebanck
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (332 download)
Download or read book Design of Helicopter Digital Engine Control Systems Using Computer Simulation written by Robert Niebanck and published by . This book was released on 1995 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yew Chai Paw
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (616 download)
Download or read book System Identification and Control System Design for a Model Helicopter in Hover written by Yew Chai Paw and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Quan Quan
Publisher : Springer
ISBN 13 : 981103382X
Total Pages : 393 pages
Book Rating : 4.8/5 (11 download)
Download or read book Introduction to Multicopter Design and Control written by Quan Quan and published by Springer. This book was released on 2017-06-23 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the first textbook specially on multicopter systems in the world. It provides a comprehensive overview of multicopter systems, rather than focusing on a single method or technique. The fifteen chapters are divided into five parts, covering the topics of multicopter design, modeling, state estimation, control, and decision-making. It differs from other books in the field in three major respects: it is basic and practical, offering self-contained content and presenting hands-on methods; it is comprehensive and systematic; and it is timely. It is also closely related to the autopilot that users often employ today and provides insights into the code employed. As such, it offers a valuable resource for anyone interested in multicopters, including students, teachers, researchers, and engineers. This introductory text is a welcome addition to the literature on multicopter design and control, on which the author is an acknowledged authority. The book is directed to advanced undergraduate and beginning graduate students in aeronautical and control (or electrical) engineering, as well as to multicopter designers and hobbyists. ------- Professor W. Murray Wonham, University of Toronto "This is the single best introduction to multicopter control. Clear, comprehensive and progressing from basic principles to advanced techniques, it's a must read for anyone hoping to learn how to design flying robots." ------- Chris Anderson, 3D Robotics CEO.
Author : James Paul Krieger
Publisher :
ISBN 13 :
Total Pages : 292 pages
Book Rating : 4.:/5 (83 download)
Download or read book Preliminary Control Law Design for a Helicopter In-flight Simulator written by James Paul Krieger and published by . This book was released on 2007 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chang-po Chao
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.3/5 (129 download)
Download or read book Modeling a Radio Control Scale Helicopter for Robust Control Design written by Chang-po Chao and published by . This book was released on 1993 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yasir Amir Khan Niazi
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783838392981
Total Pages : 80 pages
Book Rating : 4.3/5 (929 download)
Download or read book Modeling and Neural Control of Quadrotor Helicopter written by Yasir Amir Khan Niazi and published by LAP Lambert Academic Publishing. This book was released on 2010-08 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quadrotor is a rotorcraft with four vertically oriented propellers. Two of the propellers spin in clockwise direction and the other two in the counter clockwise direction. For a Quadrotor Helicopter a stabilizing controller is always needed. In this book Artificial Neural Networks based Control Methodology to stabilize the a Quadrotor Helicopoter, has been explained. Firstly a mathematical model of Quadrotor is developed. A simplified approach is adopted using momentum theory, where the gyroscopic effect and air friction on machine s body has been neglected, resulting in a simplified model which is useful in designing a controller to stabilize the machine in hover state. The proposed model is nonlinear since the rotor dynamics are function of square of motor inputs. In the controller designing, Direct Inverse Neural Network Control methodology is employed. For that matter 16,8,4-MLP, 16,16,4-MLP and 16,64,4-MLP are used to control the Quadrotor plant. There performance is compared using simulation results. Direct Inverse Control using 16,64,4-MLP gives the best performance amongst all the other considered.
