Automated Testing Experience of the Linear Aerospike SR-71 Experiment (LASRE) Controller PDF Download
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Author: Richard R. Larson
Publisher:
ISBN:
Category : System analysis
Languages : en
Pages : 36
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Book Description
System controllers must be fail-safe, low cost, flexible to software changes, able to output health and status words, and permit rapid retest qualification. The system controller designed and tested for the aerospike engine program was an attempt to meet these requirements. This paper describes the aerospike controller design, the automated simulation testing techniques, and the real time monitoring data visualization structure. Controller cost was minimized by design of a single-string system that used an off-the-shelf 486 central processing unit. A linked-list architecture, with states defined in a user-friendly state table, accomplished software changes to the controller. Proven to be fail-safe, this system reported the abort cause and automatically reverted to a safe condition for any first failure.
Author: Richard R. Larson
Publisher:
ISBN:
Category : System analysis
Languages : en
Pages : 36
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Book Description
System controllers must be fail-safe, low cost, flexible to software changes, able to output health and status words, and permit rapid retest qualification. The system controller designed and tested for the aerospike engine program was an attempt to meet these requirements. This paper describes the aerospike controller design, the automated simulation testing techniques, and the real time monitoring data visualization structure. Controller cost was minimized by design of a single-string system that used an off-the-shelf 486 central processing unit. A linked-list architecture, with states defined in a user-friendly state table, accomplished software changes to the controller. Proven to be fail-safe, this system reported the abort cause and automatically reverted to a safe condition for any first failure.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 768
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 74
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Book Description
Author: Stephen Corda
Publisher:
ISBN:
Category : Aerospace planes
Languages : en
Pages : 28
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Book Description
The design of the next generation of space access vehicles has led to a unique flight test that blends the space and flight research worlds. The new vehicle designs, such as the X-33 vehicle and Reusable Launch Vehicle (RLV) are powered by linear aerospike rocket engines. Conceived of in the 1960's, these aerospike engines have yet to be flown, and many questions remain regarding aerospike engine performance and efficiency in flight. To provide some of these data before flying on the X-33 vehicle and the RLV, a spacecraft rocket engine had been flight-tested atop the NASA SR-71 aircraft as the Linear Aerospike SR-71 Experiment (LASRE). A 20 percent-scale, semispan model of the X-33 vehicle, the aerospike engine, and all the required fuel and oxidizer tanks and propellant feed systems have been mounted atop the SR-71 airplane for this experiment. A major technical objective of the LASRE flight test is to obtain installed-engine performance flight data for comparison to wind-tunnel results and for the development of computational fluid dynamics-based design methodologies. The ultimate goal of firing the aerospike rocket engine in flight is still forthcoming. An extensive design and development phase of the experiment hardware has been completed, including approximately 40 ground tests. Five flights of the LASRE and firing the rocket engine using inert liquid nitrogen and helium in place of liquid oxygen and hydrogen have been successfully completed.
Author: R. Dale Reed, Darlene Lister
Publisher: University Press of Kentucky
ISBN: 9780813132228
Category : Technology & Engineering
Languages : en
Pages : 260
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Book Description
"Much has been written about the famous conflicts and battlegrounds of the East during the American Revolution. Perhaps less familiar, but equally important and exciting, was the war on the western frontier, where Ohio Valley settlers fought for the land they had claimed -- and for their very lives. George Rogers Clark stepped forward to organize the local militias into a united front that would defend the western frontier from Indian attacks. Clark was one of the few people who saw the importance of the West in the war effort as a whole, and he persuaded Virginia's government to lend support to his efforts. As a result Clark was able to cross the Ohio, saving that part of the frontier from further raids. Lowell Harrison captures the excitement of this vital part of American history while giving a complete view of George Rogers Clark's significant achievements. Lowell H. Harrison, is a professor emeritus of history at Western Kentucky University and is the author or co-author of numerous books, including Lincoln of Kentucky, A New History of Kentucky, and Kentucky's Governors."
Author: Timothy R. Moes
Publisher:
ISBN:
Category : Rocket engines
Languages : en
Pages : 34
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 974
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Book Description
Author: Richard H. Graham
Publisher: Motorbooks
ISBN: 0760366411
Category : History
Languages : en
Pages : 227
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Book Description
For anyone who has ever wondered what it's like to fly the SR-71 on a secret Mach 3 reconnaissance mission, this book has the answer. Completely redesigned and updated with photos from author Colonel Richard H. Graham's personal archive, as well as a new introduction, Flying the SR-71 Blackbird details what an SR-71 mission entailed, from planning to donning a pressure suit to returning to base. The Lockheed SR-71, unofficially known as the Blackbird, was an advanced, long-range, Mach 3 strategic reconnaissance aircraft developed by Lockheed Skunk Works. The aircraft flew so fast and high that not one was ever shot down, even by a missile. SR-71 pilot and instructor Colonel Richard Graham offers a rare cockpit perspective on how regular Air Force pilots and navigators transformed themselves into SR-71 Blackbird crews, turning their unique aviation talents to account in an unprecedented way. Arguably the world's foremost expert on piloting the Blackbird, Graham takes readers along on an operational mission that only a few Air Force pilots have ever experienced.
Author: Sanjay Singh
Publisher: Springer
ISBN: 9811058490
Category : Technology & Engineering
Languages : en
Pages : 369
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Book Description
This book includes high-quality research papers presenting the latest advances in aerospace and related engineering fields. The papers are organized according to six broad areas (i) Aerospace Propulsion, (ii) Space Research, Avionics and Instrumentation, (iii) Aerodynamics Wind Tunnel and Computational fluid dynamics (CFD), (iv) Structural Analysis and Finite Element Method (FEM), (v) Materials, Manufacturing and Air Safety and (vi) Aircraft Environmental and Control System and Stability, making it easy for readers to find the information they require. Offering insights into the state of the art in aerospace engineering, the original research presented is valuable to academics, researchers, undergraduate and postgraduate students as well as professionals in industry and R&D. The clearly written book can be used for the validation of data, and the development of experimental and simulation techniques as well as other mathematical approaches.
Author: Hari Vasudevan
Publisher: Springer
ISBN: 9811324905
Category : Technology & Engineering
Languages : en
Pages : 697
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Book Description
This book presents the outcomes of the International Conference on Intelligent Manufacturing and Automation (ICIMA 2018) organized by the Departments of Mechanical Engineering and Production Engineering at Dwarkadas J. Sanghvi College of Engineering, Mumbai, and the Indian Society of Manufacturing Engineers. It includes original research and the latest advances in the field, focusing on automation, mechatronics and robotics; CAD/CAM/CAE/CIM/FMS in manufacturing; product design and development; DFM/DFA/FMEA; MEMS and Nanotechnology; rapid prototyping; computational techniques; industrial engineering; manufacturing process management; modelling and optimization techniques; CRM, MRP and ERP; green, lean, agile and sustainable manufacturing; logistics and supply chain management; quality assurance and environment protection; advanced material processing and characterization; and composite and smart materials.
