Aerospace & Defense Sensing - April 2021
A microwave radiation sensor offers 100,000 times greater sensitivity...Nature-inspired sensors help autonomous machines to see better...New accelerometers aid the development of Electric Vertical Takeoff and Landing (eVTOL) aircraft. These are just a few of the innovations you'll read about in this special report from the editors of Aerospace & Defense Technology and Tech Briefs magazines.
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Overview
The Aerospace & Defense Sensing Special Report, published in April 2021, presents a comprehensive overview of advancements in sensor technologies and measurement systems critical to the aerospace and defense sectors. The report highlights various innovations aimed at enhancing the capabilities of sensing systems, which are essential for improving safety, efficiency, and operational effectiveness in complex environments.
One of the key technologies discussed is Armstrong's fiber optic sensing technologies (FOSS), which include a patented FBG interrogation system. This system allows for a diverse range of engineering measurements, such as magnetic field detection, structural shape analysis, buckling modes, external loads, and cryogenic liquid levels. NASA is actively seeking licensees to commercialize this technology, indicating its potential for widespread application in aerospace.
The report also explores nature-inspired sensors developed by researchers at Purdue University. These sensors mimic the sensory mechanisms of animals like spiders, bats, and birds, which possess highly efficient mechanoreceptors. By filtering essential environmental data, these sensors can significantly enhance the navigation capabilities of drones in hazardous environments and improve the safety of autonomous vehicles by reducing human error.
Another significant advancement highlighted is a new mathematical framework designed to assist engineers in selecting the most appropriate sensors for specific applications. This tool addresses the critical issue of sensor selection and placement, particularly in light of past incidents such as the Boeing 737 Max crash, where a failed pressure sensor contributed to a tragic outcome. The framework aims to optimize sensor deployment to prevent similar failures in the future.
The report also discusses the importance of developing a robust 5G mobile network, which is crucial for the Internet of Things (IoT). The integration of fast communication between sensors is essential for the effective functioning of IoT systems, and simulation tools like COMSOL Multiphysics® are being utilized to design and optimize 5G-compatible technologies.
Additionally, the report features advancements in high-sensitivity microwave radiation sensors, which promise to enhance thermal imaging, electronic warfare capabilities, radio communications, and radar systems. These sensors are vital for improving situational awareness and operational effectiveness in defense applications.
Overall, the Aerospace & Defense Sensing Special Report underscores the critical role of innovative sensor technologies in enhancing safety and performance in aerospace and defense operations. By leveraging advanced sensing capabilities, engineers and researchers can develop more reliable systems that meet the demanding requirements of modern aerospace applications. The report serves as a valuable resource for professionals in the field, providing insights into the latest technological advancements and their potential impact on the industry.
