Briefs: Design
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Briefs: Propulsion
Thruster-Based Attitude and Translation Control with Minimum Pulse-Count Disturbance Rejection
Thruster-based control typically requires a substantial engineering effort in order to mitigate an important issue: the control system tends to use many thruster pulses to accomplish what a single thruster pulse could do instead. This fundamental...
Briefs: Mechanical & Fluid Systems
Model-Based Monitoring for Spacecraft Thruster Leakage
A report describes a method of detecting leakage in one of the 16 thrusters of the Cassini spacecraft. The detection method, implemented as part of the spacecraft flight software, is based on the fact that the three-axis rotational motion of a spacecraft is governed by the Euler's equation....
Briefs: Robotics, Automation & Control
Performance of an Arc-Jet Thruster
A report discusses the design and testing of a laboratory-model arc-jet thruster designed to operate at a nominal power level of 300 W. This thruster is an intermediate product of continuing efforts to develop smaller, lower-power, higher-specific-impulse thrusters for use in a forthcoming generation of small...
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10 VR/AR Technologies from CES 2023
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EV Motor Improvement With Torque-Dense Materials and Advanced...
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Extending ICE Life for Commercial Vehicles
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Future Trends and Challenges for Connector Solutions in...
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Conformal Coatings for Product Reliability and Long-term...
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The Road to Zero Prototypes: How to Dramatically Decrease the...
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Polarization/Spatial Combining of Laser-Diode Pump Beams
NASA Spinoff: Nanotechnology

Nanotechnology Repairs Engine Damage in Cars
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Reflection-Reducing Imaging System for Machine Vision Applications
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Compiler Selection for Functional Safety in Robots
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Man vs Machine: Who Reigns Supreme for Quality Inspection?
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James Webb Space Telescope Enters New Era of Universal Infrared Imaging in...