High Fidelity Simulation Of A Generic Commercial Aircraft Engine And Controller PDF Download
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| Author | : National Aeronautics and Space Administration (NASA) |
| Publisher | : |
| Total Pages | : 24 |
| Release | : 2010-11-01 |
| Genre | : |
| ISBN | : 9781466499348 |
Download High-Fidelity Simulation of a Generic Commercial Aircraft Engine and Controller Book in PDF, ePub and Kindle
A new high-fidelity simulation of a generic 40,000 lb thrust class commercial turbofan engine with a representative controller, known as C-MAPSS40k, has been developed. Based on dynamic flight test data of a highly instrumented engine and previous engine simulations developed at NASA Glenn Research Center, this non-proprietary simulation was created especially for use in the development of new engine control strategies. C-MAPSS40k is a highly detailed, component-level engine model written in MATLAB/Simulink (The MathWorks, Inc.). Because the model is built in Simulink, users have the ability to use any of the MATLAB tools for analysis and control system design. The engine components are modeled in C-code, which is then compiled to allow faster-than-real-time execution. The engine controller is based on common industry architecture and techniques to produce realistic closed-loop transient responses while ensuring that no safety or operability limits are violated. A significant feature not found in other non-proprietary models is the inclusion of transient stall margin debits. These debits provide an accurate accounting of the compressor surge margin, which is critical in the design of an engine controller. This paper discusses the development, characteristics, and capabilities of the C MAPSS40k simulation.
| Author | : |
| Publisher | : |
| Total Pages | : 16 |
| Release | : 2010 |
| Genre | : |
| ISBN | : |
Download A high-fidelity simulation of a generic commercial aircraft engine and controller Book in PDF, ePub and Kindle
| Author | : Hanz Richter |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 275 |
| Release | : 2011-10-20 |
| Genre | : Technology & Engineering |
| ISBN | : 1461411718 |
Download Advanced Control of Turbofan Engines Book in PDF, ePub and Kindle
Advanced Control of Turbofan Engines describes the operational performance requirements of turbofan (commercial) engines from a controls systems perspective, covering industry-standard methods and research-edge advances. This book allows the reader to design controllers and produce realistic simulations using public-domain software like CMAPSS: Commercial Modular Aero-Propulsion System Simulation, whose versions are released to the public by NASA. The scope of the book is centered on the design of thrust controllers for both steady flight and transient maneuvers. Classical control theory is not dwelled on, but instead an introduction to general undergraduate control techniques is provided. Advanced Control of Turbofan Engines is ideal for graduate students doing research in aircraft engine control and non-aerospace oriented control engineers who need an introduction to the field.
| Author | : Ravi Rajamani |
| Publisher | : SAE International |
| Total Pages | : 196 |
| Release | : 2018-11-28 |
| Genre | : Transportation |
| ISBN | : 0768093074 |
Download Diagnostics and Prognostics of Aerospace Engines Book in PDF, ePub and Kindle
The propulsion system is arguably the most critical part of the aircraft; it certainly is the single most expensive component of the vehicle. Ensuring that engines operate reliably without major maintenance issues is an important goal for all operators, military or commercial. Engine health management (EHM) is a critical piece of this puzzle and has been a part of the engine maintenance for more than five decades. In fact, systematic condition monitoring was introduced for engines before it was applied to other systems on the aircraft. Diagnostics and Prognostics of Aerospace Engines is a collection of technical papers from the archives of SAE International, which introduces the reader to a brief history of EHM, presents some examples of EHM functions, and outlines important future trends. The goal of engine health maintenance is ultimately to reduce the cost of operations by catching problems before they become major issues, by helping reduce repair times through diagnostics, and by facilitating logistic optimization through prognostic estimates. Diagnostics and Prognostics of Aerospace Engines shows that the essence of these goals has not changed over time.
| Author | : Keith B Armstrong |
| Publisher | : SAE International |
| Total Pages | : 196 |
| Release | : 2020-12-31 |
| Genre | : Technology & Engineering |
| ISBN | : 0768093171 |
Download Care and Repair of Advanced Composites Book in PDF, ePub and Kindle
The new edition of the well known Care and Repair of Advanced Composites, 3rd Edition, improves on the usefulness of this practical guide geared towards the aerospace industry. Keith B. Armstrong, the original lead author of the first edition was still in charge of this project, counting on the expert support of Eric Chesmar, senior composites specialist at United Airlines. Mr. Chesmar is also an active member of SAE International's CACRC (Commercial Aircraft Composite Repair Committee), an elite group of industry experts dedicated to the standardization, safety, security, and efficiency of composite repairs in the airline industry. Mr. Francois Museux (Airbus) and Mr. William F. Cole II also contributed. Care and Repair of Advanced Composites, 3rd Edition, presents a fully updated approach to the training syllabus recommended for repair design engineers and composite repair mechanics. Metal bonding has been included partly because the defi nition of "composite" can be interpreted to include metal-skinned honeycomb panels, and partly because some composite parts have metal fi ttings or reinforcements that must be treated before bonding. This third edition also covers a number of the problems experienced in service, some of which may be applicable to metallic sandwich panels, offers suggestions for design improvements, including repair design as a particular topic, and regulatory changes. Care and Repair of Advanced Composites, 3rd Edition, provides solid technical information and training for a wide range of airline staff.
| Author | : Sonny Martin |
| Publisher | : |
| Total Pages | : |
| Release | : 2010 |
| Genre | : |
| ISBN | : |
Download Development and Validation of a Civil Aircraft Engine Simulation Model for Advanced Controller Design Book in PDF, ePub and Kindle
This thesis is concerned with the results of a joint academic and industrial study on the development of a detailed nonlinear dynamic model of a turbofan jet engine to be used for research into advanced control strategies for civil turbofan aircraft engines. The model is representative of a dual shaft engine with variable bleed, variable stator vanes, turbine cooling, heat transfer, and a duct and exhaust nozzle. A switched, gain-scheduled, feedback control system incorporating bumpless transfer and antiwindup functionality has been designed and implemented according to current industrial practice. This baseline implementation permits realistic transient operation of the simulation and may act as a reference design for further control work. The simulation computes a non-iterative solution, by progressing calculations in the direction of the gas stream flow. Where possible the underlying physics are used and empirical approximations are avoided so that the model requires minimum data. This approach also makes a future inclusion of component failure easier to implement. The simulation is modular in nature so that engine or control modules can be easily replaced or modified if an improved design becomes available. The Simulink implementation of the control architecture has been redesigned to permit the addition or removal of control loops, also during the simulation?s operation, to allow testing of advanced control strategies. The entire controller can also be easily replaced. A detailed description of the modeling process, the various simulation issues that arise with a model of this complexity, and the results of the overall aero-engine system are presented. The design of the switched, gain-scheduled aero-engine controller with bumpless transfer and antiwindup which achieves dynamic performance that closely matches that of a real aero-engine is also discussed.
| Author | : Alfred T. Lee |
| Publisher | : Taylor & Francis |
| Total Pages | : 150 |
| Release | : 2017-03-02 |
| Genre | : Transportation |
| ISBN | : 1351936387 |
Download Flight Simulation Book in PDF, ePub and Kindle
Advances in computer, visual display, motion and force cueing and other technologies in the past two decades have had a dramatic effect on the design and use of simulation technology in aviation and other fields. The effective use of technology in training, safety investigation, engineering and scientific research requires an understanding of its capabilities and limitations. As the technology has as its primary goal the creation of virtual environments for human users, knowledge of human sensory, perceptual, and cognitive functioning is also needed. This book provides a review and analysis of the relevant engineering and science supporting the design and use of advanced flight simulation technologies. It includes chapters reviewing key simulation areas such as visual scene, motion, and sound simulation and a chapter analyzing the role of recreating the pilot's task environment in the overall effectiveness of simulators. The design and use of flight simulation are addressed in chapters on the effectiveness of flight simulators in training and on the role of physical and psychological fidelity in simulator design. The problems inherent in the ground-based simulation of flight are also reviewed as are promising developments in flight simulation technology and the important role flight simulators play in advanced aviation research. The readership includes: flight simulation engineers and designers, human factors researchers and practitioners, aviation safety investigators, flight training management and instructors, training and instructional technologists, virtual environment design community, and regulatory authorities.
| Author | : Link C. Jaw |
| Publisher | : AIAA Education |
| Total Pages | : 0 |
| Release | : 2009 |
| Genre | : Technology & Engineering |
| ISBN | : 9781600867057 |
Download Aircraft Engine Controls Book in PDF, ePub and Kindle
Overview of engine control systems -- Engine modeling and simulation -- Model reduction and dynamic analysis -- Design of set-point controllers -- Design of transient and limit controllers -- Control system integration -- Advanced control concepts -- Engine monitoring and health management -- Integrated control and health monitoring -- Appendix A. Fundamentals of automatic control systems -- Appendix B. Gas turbine engine performance and operability.
| Author | : Glenn B. Gilyard |
| Publisher | : |
| Total Pages | : 28 |
| Release | : 1991 |
| Genre | : Aircraft accidents |
| ISBN | : |
Download A Simulation Evaluation of a Four-engine Jet Transport Using Engine Thrust Modulation for Flightpath Control Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : 490 |
| Release | : 2008 |
| Genre | : Aeronautics |
| ISBN | : |
Download FAA Aviation News Book in PDF, ePub and Kindle
