Tech Briefs

Sensors & Test

Access our comprehensive library of technical briefs on sensors and test, from engineering experts at NASA and government, university, and commercial laboratories.

41,46
-1
1260
30
Briefs: Test & Measurement
Small-Body Testbed
This technology allows one to test small-body surface mobility and sampling systems in the laboratory. It is capable of simulating a microgravity environment with relevant terrain. The magnitude of the gravity, the terrain properties, and the surface system being tested are all easily modified to allow for a broad range of...
Briefs: Test & Measurement
NASA’s Jet Propulsion Laboratory has developed a neutral mounting scheme that eliminates the acceleration sensitivity of whispering...
Feature Image
Briefs: Test & Measurement
NASA’s Langley Research Center has developed a novel method to calculate the relative position and orientation between two rigid objects using a simplified...
Feature Image
Briefs: Test & Measurement
Directed Design of Experiments for Validating Probability of Detection Capability of a Testing System
NASA’s Langley Research Center has developed new software that enables users of critical inspection systems to validate the capability of the inspection system. Traditionally, inspection systems are validated using various methodologies to...
Briefs: Test & Measurement
NASA’s Langley Research Center has developed a novel method for long-range atmospheric pressure sensing. Based on known properties involving oxygen density, the technology is able to...
Feature Image
Briefs: Test & Measurement
A key goal of NASA’s aeronautics research is to help the aircraft industry transition to low-carbon propulsion. Many potential power architectures for electric...
Feature Image
Briefs: Test & Measurement
Saturn Net Flux Radiometer (SNFR)
A Saturn Net Flux Radiometer (SNFR) is being developed as part of a payload for a future NASA-led Saturn Probe Mission. The current design has two spectral channels i.e., a solar channel (0.4-to-5 μm) and a thermal channel (4-to-50 μm). The SNFR is capable of viewing five distinct viewing angles during the...
Briefs: Test & Measurement
Researchers at NASA’s Armstrong Flight Research Center have been interested in using the Dynamic Inertia Measurement (DIM) method on full-scale aerospace test...
Feature Image
Briefs: Test & Measurement
Modules for Inspection, Qualification, and Verification of Pressure Vessels
After decades of composite over-wrapped pressure vessel (COPV) development, manufacturing variance is still high, and has necessitated higher safety factors and additional mass to be flown on spacecraft, reducing overall performance. When liners are used in COPVs, they need...
Briefs: Test & Measurement
NASA’s Marshall Space Flight Center has developed a set of unique magnetostrictive (MS) technologies for utilization in pressure regulation and valve systems. By combining MS-based sensors with a...
Feature Image
Briefs: Test & Measurement
NASA’s Langley Research Center has demonstrated a patent-pending method and apparatus for determining the position, in three...
Feature Image
Briefs: Test & Measurement
NASA’s Langley Research Center has developed an innovative magnetic and Raman-based method for macroscopic process control during...
Feature Image
Briefs: Sensors/Data Acquisition
Integrated Temperature and Capacitive Ablation Recession Rate Sensors
Innovators at NASA’s Glenn Research Center have developed new sensors that can be integrated into thermal protection systems (TPS) to protect them from environmental damage. Radiation, shock, and ablation (erosion of the protective outer surface) combine to damage the TPS...
Briefs: Sensors/Data Acquisition
Innovators at NASA’s Armstrong Flight Research Center have developed a highly accurate method for measuring liquid levels using optical fibers. Unlike liquid level gauges currently on the...
Feature Image
Briefs: Sensors/Data Acquisition
Flexible Thin Metal Film Thermal Sensing System
NASA’s Langley Research Center has extensively studied self-metallized polyimide films for aerospace applications. These thin films have shown promise not only as reflective coatings, but also conductive coatings. NASA believes that its technology may offer advantages to sensor companies, especially...
Briefs: Sensors/Data Acquisition
Piezoresistive Sensor
The present innovation, developed at NASA’s Goddard Space Flight Center, comprises several piezoresistor sensor configurations for sensing rotation or torque that are superior to those currently in use in microelectromechanical (MEMS) devices. These may be used for sensing rotation/torque or any other quantity that can be...
Briefs: Sensors/Data Acquisition
NASA’s Marshall Space Flight Center has a suite of novel technologies for digital control of electronic machinery. NASA developed the technologies for autonomous assembly of modular space structures. The base...
Feature Image
Briefs: Sensors/Data Acquisition
Real-Time Radiation Monitoring Using Nanotechnology
NASA has patented a unique chemical sensor array leveraging nano-structures for monitoring the concentration of chemical species or gas molecules that is not damaged when exposed to protons and other high-energy particles over time. The nanotechnology-enabled chemical sensor array uses single...
Briefs: Sensors/Data Acquisition
Real-Time Oil Reservoir Evaluation Using Nanotechnology
This innovation is a method and system for evaluating the status and response of a mineral-producing field (e.g., oil and/or gas) by monitoring selected chemical and physical properties in or adjacent to a well site headspace. Nanotechnology sensors and other sensors are provided for one or...
Briefs: Sensors/Data Acquisition
Smartphone Video Guidance Sensor
The need arose to apply the state determination algorithms developed for the Advanced Video Guidance Sensor autonomous rendezvous and docking (AR&D) sensor onto a commercial off-the-shelf (COTS), smartphone-based platform to create a lower-mass, lower-cost sensor for small satellite and CubeSat applications....
Briefs: Test & Measurement
NASA’s Langley Research Center has developed a new method for calibrating pitot-static air data systems used in aircraft. Pitot-static systems are pressure-based instruments that measure the aircraft’s...
Feature Image
Briefs: Sensors/Data Acquisition
Real-Time Radiation Monitoring Using Nanotechnology
NASA has patented a unique chemical sensor array leveraging nanostructures for monitoring the concentration of chemical species or gas molecules that is not damaged when exposed to protons and other high-energy particles over time. The nanotechnology-enabled chemical sensor array uses single...
Briefs: Sensors/Data Acquisition
External Diagnostic Method to Detect Electrical Charging in Complex Ion Trapping Systems
Electron-ionized atom trapping technology is widely used in mass spectrometry and atomic clocks. The complexity of the trapping configuration operating in an ultra-high vacuum system is driven by demands for ultimate sensitivity, performance, and fundamental...
Briefs: Test & Measurement
Modules for Inspection, Qualification, and Verification of Pressure Vessels
After decades of composite over-wrapped pressure vessel (COPV) development, manufacturing variance is still high, and has necessitated higher safety factors and additional mass to be flown on spacecraft, reducing overall performance. When liners are used in COPVs, they need...
Briefs: Test & Measurement
Hermetic Seal Leak Detection Apparatus with Variable Size Test Chamber
NASA’s Marshall Space Flight Center has developed a unique apparatus ideal for use in nondestructive testing (NDT) of hermetic seals of containers or instrumentation. The device is capable of detecting both large and small leaks and can be calibrated to characterize the...
Briefs: Test & Measurement
NASA’s Langley Research Center has developed a system to detect and locate atmospheric clear air turbulence (CAT) by means of a ground-based infrasonic array to serve as an early warning...
Feature Image
Briefs: Test & Measurement
Many present and future NASA missions require high-performance, large-scale cryogenic systems, such as the sunshields and cold instruments for the James Webb Space Telescope (JWST). Testing these systems is...
Feature Image
Briefs: Test & Measurement
The suspension system of parachutes is typically made from ropes (referred to as cordage). Measuring loads in the suspension system cordage has thus far proven very...
Feature Image
Briefs: Test & Measurement
One existing method to quantify the gas loss from a closed system is the mass point leak rate method. This traditional empirical method is capable of quantifying the loss of a known type of gas from a...
Feature Image

Videos