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Articles 1 - 30 of 30
Full-Text Articles in Space Vehicles
A New Opportunity For Low-Cost Space Experimentation: Leland High School, Robert J. Twiggs
A New Opportunity For Low-Cost Space Experimentation: Leland High School, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "A new Opportunity for Low-Cost Space Experimentation: Leland High School" from December 8, 2000.
Examples Of Low-Cost Space Experimentation: University Space Systems Symposium, Robert J. Twiggs
Examples Of Low-Cost Space Experimentation: University Space Systems Symposium, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "Examples of Low-Cost Space Experimentation: University Space Systems Symposium" from November 11, 2000.
Subsystems & Components Review, Robert J. Twiggs
Subsystems & Components Review, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "Subsystems & Components Review" from November 10, 2000.
Nanosat One Critical Design Review, Jonathan How, Christopher Kitts, Robert J. Twiggs
Nanosat One Critical Design Review, Jonathan How, Christopher Kitts, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Jonathan How, Bob Twiggs, and Robert Twiggs titled "Nanosat One Critical Design Review" from November 8, 2000.
A New Opportunity For Low-Cost Space Experimentation: E201 Seminar, Robert J. Twiggs
A New Opportunity For Low-Cost Space Experimentation: E201 Seminar, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "A new Opportunity for Low-Cost Space Experimentation: E201 Seminar" from November 6, 2000.
Nanosat One Critical Design Review: The Complete Review, Robert J. Twiggs, Christopher Kitts, Jonathan How
Nanosat One Critical Design Review: The Complete Review, Robert J. Twiggs, Christopher Kitts, Jonathan How
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Jonathan How, Bob Twiggs, and Christopher Kitts titled "Nanosat One Critical Design Review: The Complete Review" from November of 2000.
A New Challenge For Low-Cost Space Experimentation, Robert J. Twiggs
A New Challenge For Low-Cost Space Experimentation, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "A new Challenge for Low-Cost Space Experimentation" from October 23, 2000.
A New Challenge For Low-Cost Space Experimentation: Naval Research Laboratory, Robert J. Twiggs, Jay Smith, Ivan Galysh
A New Challenge For Low-Cost Space Experimentation: Naval Research Laboratory, Robert J. Twiggs, Jay Smith, Ivan Galysh
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs, Jay Smith, and Ivan Galysh titled "A new Challenge for Low-Cost Space Experimentation: Naval Research Laboratory" from September 21, 2000.
A New Challenge For Education With Low-Cost Space Experimentation, Robert J. Twiggs
A New Challenge For Education With Low-Cost Space Experimentation, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "A new Challenge for Education with Low-Cost Space Experimentation" from September 8, 2000.
Cubesat: A New Generation Of Picosatellite For Education And Industry Low-Cost Space Experimentation, Robert J. Twiggs, Jordi Puig-Suari, Augustus S. Moore, Shinichi Nakasuka
Cubesat: A New Generation Of Picosatellite For Education And Industry Low-Cost Space Experimentation, Robert J. Twiggs, Jordi Puig-Suari, Augustus S. Moore, Shinichi Nakasuka
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professors Bob Twiggs, Jordi Puig-Suari, Augustus S. Moore, and Shinichi Nakasuka titled "CubeSat: A new Generation of Picosatellite for Education and Industry Low-Cost Space Experimentation" given at the 14th Annual AIAA/USU Small Satellite Conference on Augaust 21, 2000.
Space Systems Development Laboratory: Sharp Project, Robert J. Twiggs, Christopher Kitts, Pascal Stang, Pradeep Sen
Space Systems Development Laboratory: Sharp Project, Robert J. Twiggs, Christopher Kitts, Pascal Stang, Pradeep Sen
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs, Chris Kitts, Pascal Stang, and Pradeep Sen titled "Space Systems Development Laboratory: SHARP Project" from August 3, 2000.
Spie Conference, Robert J. Twiggs
Spie Conference, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "SPIE Conference" from July 30, 2000.
Sharp-S1 Overview/Status, Paul Kolodziej
Sharp-S1 Overview/Status, Paul Kolodziej
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Paul Kolodziej titled "SHARP-S1 Overview/Status" from July 20, 2000.
The Emerald Nanosatellites:Two Student-Built Satellites As A Testbed For Distributed Space System Technologies, Julie Anne Townsend
The Emerald Nanosatellites:Two Student-Built Satellites As A Testbed For Distributed Space System Technologies, Julie Anne Townsend
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Julie Anne Townsend titled "The Emerald Nanosatellites:Two Student-Built Satellites as a testbed for Distributed Space System Technologies" from June of 2000.
Opal: Orbiting Picosatellite Automated Launcher, Robert J. Twiggs
Opal: Orbiting Picosatellite Automated Launcher, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs on the "Orbiting Picosatellite Automated Launcher" form March 22, 2000.
Opal: Orbiting Picosatellite Automated Launcher, Robert J. Twiggs
Opal: Orbiting Picosatellite Automated Launcher, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs on the "Orbiting Picosatellite Automated Launcher" from March 19, 2000.
Damage Identification In A Real Structure Using Resonant And Anti-Resonant Frequencies, Douglas E. Gaeta
Damage Identification In A Real Structure Using Resonant And Anti-Resonant Frequencies, Douglas E. Gaeta
Theses and Dissertations
There exists a need to remotely monitor the structural integrity of large space structures without costly manned missions. This work focused on further damage detection characterization of the Air Force Institute of Technology's Flexible Truss Experiment (FTE). The FTE is intended to be representative of a large space structure. Several damage detection algorithms were developed and tested for the FTE using 112 different damage conditions and the one undamaged condition. The algorithms were trained using two frequency response functions (FRFs) from each damage case and then tested using the same two FRFs, but from newly acquired data. A data reduction …
Active And Adaptive Control For Payload Launch Vibration Isolation, Julian R. Jarosh
Active And Adaptive Control For Payload Launch Vibration Isolation, Julian R. Jarosh
Theses and Dissertations
The Department of Defense has identified launch vibration isolation as a major research interest. Reducing the loads a satellite experiences during launch will greatly enhance its reliability and lifetime, and reduce payload structural mass. DoD space programs stand to benefit significantly from advances in vibration isolation technology. This study explores potential hybrid vibration isolation using active and adaptive control with a passive vibration isolator. The active control methods are Proportional-Integral-Derivative (PID) control and a skyhook damper. Lyapunov analysis is used to develop the structural adaptive control scheme. Simulink and Matlab simulations investigate these control methodologies on a lumped mass dynamic …
Sharp: Sharp Hypersonic Aerothermal Research Probe, Sean Dougherty
Sharp: Sharp Hypersonic Aerothermal Research Probe, Sean Dougherty
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Sean Dougherty titled "SHARP: Sharp Hypersonic Aerothermal Research Probe" from February 25, 2000.
Sapphire: Stanford's First Amateur Satellite, Robert J. Twiggs, Michael Swartwout
Sapphire: Stanford's First Amateur Satellite, Robert J. Twiggs, Michael Swartwout
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs and Michael Swartwout titled "SAPPHIRE: Stanford's First Amateur Satellite" from February 16, 2000.
Kennedy Middle School - Arliss - 1999, Robert J. Twiggs
Kennedy Middle School - Arliss - 1999, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint presentation created by Professor Bob Twiggs titled "Kennedy Middle School - ARLISS - 1999" from February 11, 2000.
Orion/Emerald Formation Flying Experiments, Brian Engberg, Jonathon How
Orion/Emerald Formation Flying Experiments, Brian Engberg, Jonathon How
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Brian Engberg and Jonathon How titled "Orion/Emerald Formation Flying Experiments" from January 7, 2000.
Safety, Integration, And Test, Robert J. Twiggs
Safety, Integration, And Test, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "Safety, Integration, and Test" from January 6, 2000.
Emerald System, Robert J. Twiggs
Emerald System, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs on the "Emerald System" from January 6, 2000.
Emerald Nanosatellite, Freddy Pranajaya, Scott Crumine, Julie Townsend, Esther Dutton
Emerald Nanosatellite, Freddy Pranajaya, Scott Crumine, Julie Townsend, Esther Dutton
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Freddy Pranajaya, Scott Crumine, Julie Townsend, and Esther Dutton on the "Emerald Nanosatellite" project from January 6, 2000.
Approximation Model Building For Reliability & Maintainability Characteristics Of Reusable Launch Vehicles, Resit Unal, W. Douglas Morris, Nancy H. White, Roger A. Lepsch, Richard W. Brown
Approximation Model Building For Reliability & Maintainability Characteristics Of Reusable Launch Vehicles, Resit Unal, W. Douglas Morris, Nancy H. White, Roger A. Lepsch, Richard W. Brown
Engineering Management & Systems Engineering Faculty Publications
This paper describes the development of parametric models for estimating operational reliability and maintainability characteristics for reusable launch vehicle concepts, based on vehicle size and technology support level. A reliability and maintainability analysis tool (RMAT) and response surface methods are utilized to build parametric approximation models for rapidly estimating operational reliability and maintainability characteristics such as mission completion reliability. These models that approximate RMAT, can then be utilized for fast analysis of operational requirements, for lifecycle cost estimating and for multidisciplinary design optimization.
Project Based Learning, Robert J. Twiggs
Project Based Learning, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "Project Based Learning" from 2000.
Cubesat: A New Generation Of Picosatellite For Education And Industry Low-Cost Space Experimentation, Robert J. Twiggs
Cubesat: A New Generation Of Picosatellite For Education And Industry Low-Cost Space Experimentation, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A published article that included Professor Bob Twigga as an author "CubeSat: A new Generation of Picosatellite for Education and Industry Low-Cost Space Experimentation" from 2000.
Stanford University Space Programs: Program Time-Line, Robert J. Twiggs
Stanford University Space Programs: Program Time-Line, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "Stanford University Space Programs: Program Time-Line" from 2000.
The Opal Satellite And Internet-Based Operations, Robert J. Twiggs
The Opal Satellite And Internet-Based Operations, Robert J. Twiggs
Robert "Bob" Twiggs STEM Education Collection
A PowerPoint Presentation created by Professor Bob Twiggs titled "The OPAL Satelliteand Internet-Based Operationshttp" from 2000.