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Petro earns Air Force award to research next-gen spacecraft propellants（图）
佩特罗因 下一代 航天器 推进剂
2023/5/18
With the advancement of satellite propulsion systems will come a new age in space exploration, which is why the Air Force Office of Scientific Research has selected Elaine Petro, assistant professor o...
When two spacecrafts need to bridge a connection in orbit they dock. This means the onboard computers controlling their thrusters need unfettered communication between one another that cannot be disru...
Hunter Adams, a lecturer in Cornell’s School of Electrical and Computer Engineering, gets chills of excitement whenever he talks about his recent trip to New Mexico. His work is primarily focused on c...
Sparking breakthroughs in radiation protection for spacecraft, aviation and accelerators（图）
航天器 航空 加速器 辐射防护
2023/5/26
The CERN-coordinated and EU-funded RADSAGA project is coming to an end after four years of rewarding research into radiation protection for electronics.
Studies of Phobos' Orbit, Rotation, and Shape Using Spacecraft Image Data
Phobos Control Point Network Shape Orbit Model Astrometric Observations
2015/12/17
Images obtained by the High Resolution Stereo Camera (HRSC) and the Super Resolution Channel (SRC) on the European Mars Express (MEX) spacecraft have renewed the interest in Phobos, the larger of the ...
Proba Spacecraft Family Small Mission Solutions for Emerging applications
Small satellites Earth observation
2015/11/23
Small Satellites are now being developed by many organisations. These are now a mature technology and have demonstrated their potential as a product with complementary performances to more conventiona...
AN EASY-TO-USE, OFF-THE-SHELF SPACECRAFT ARCHITECTURE FOR “SHORT-TIME-TO-SPACE” SATELLITE MISSIONS
Space Spatial Small Design Development Cost
2015/5/29
Today many industries are realizing that without increasing usability, miniaturization and expanding the customer base to industries other than those which are directly related, profits will be low an...
SPACECRAFT AUTONOMY USING ONBOARD PROCESSING FOR A SAR CONSTELLATION MISSION
Planning Scheduling Spacecraft Autonomy Machine Learning
2015/5/12
The Autonomous Sciencecraft Experiment (ASE) will fly onboard the Air Force TechSat 21 constellation of three spacecraft
scheduled for launch in 2006. ASE uses onboard continuous planning, robust ta...
GEOMETRIC CALIBRATION OF THE MICAS CCD SENSOR ON THE DS1 (DEEP SPACE ONE) SPACECRAFT: LABORATORY VS. IN-FLIGHT DATA ANALYSIS
CCD Camera Calibration
2014/12/29
We have carried out a geometric calibration of the CCD sensor of MICAS (Miniature Integrated Camera Spectrometer),a 4-inch aperture reflecting telescope on board the DS1 (Deep Space One) spacecraft, u...
Improved uncertainty propagation method of dynamic model for Mars entry spacecraft
Mars entry dynamic equations improved method high accuracy
2014/6/9
In order to research the uncertainty propagation laws of Mars entry dynamic equations for the Mars entry phase, an improved method was presented for analyzing the effect of the initial state uncertain...
MODELING SPACECRAFT OSCILLATIONS IN HRSC IMAGES OF MARS EXPRESS
: Bundle Adjustment Multi-Line Camera HRSC Planetary Imagery
2014/6/5
Since January 2004 the High Resolution Stereo Camera (HRSC) is mapping planet Mars. The multi-line sensor on board the ESA
Mission Mars Express images the Martian surface with a resolution of up to 1...
The most powerful camera aboard a NASA spacecraft orbiting Mars has returned the first pictures of locations on the Red Planet suggested by the public. The High Resolution Imaging Science Experiment, ...
NASA Selects Rapid III Contractors for Spacecraft Systems and Services
Rapid III Contractors Spacecraft Systems and Services
2010/4/29
NASA has awarded contracts to eight aerospace firms for Rapid Spacecraft Acquisition III spacecraft and related services. Each contractor has one or more core spacecraft offerings available under its ...
Error analysis and a new steering law design for spacecraft control system using SGCMGs
Single gimbal control moment gyros (SGCMGs) Attitude control Singularity analysis Steering law
2012/2/29
Based on the singular value decomposition theory, this paper analyzed the mechanism of escaping/avoiding singularity using generalized and weighted singularity-robust steering laws for a spacecraft th...
NASA'S WISE Spacecraft Ready for Launch Dec. 9 from California
NASA'S WISE Spacecraft Dec. 9 California
2009/12/17
The launch of NASA's Wide-field Infrared Survey Explorer, or WISE, aboard a Delta II rocket is scheduled to occur between 9:09 a.m. and 9:23 a.m. EST on Wednesday, Dec. 9, from Vandenberg Air Force Ba...