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Design and implementation of wireless sensor systems is one of the important issues in aerospace technologies. It has wide range of applications such as monitoring different parameters in aircraft engines, satellites indoor and outdoor conditions as well as environmental data in moon and other planets in space exploration activities. In most of these applications, it is not possible to utilize active...
The following topics are dealt with: wireless cooperative relaying for aircrafts; launch vehicle wireless technology; aerospace structural health monitoring; wireless temperature sensors; inflatable habitats; aircraft wireless sensor networks; and wireless passive networks.
ASR&D has developed a patented surface acoustic wave (SAW) temperature sensor with individual sensor identification codes and design-controlled temperature sensitivity. Temperature sensitivities demonstrated during this work range from -165ppm/°C to +680 ppm/°C, all on YZ lithium niobate, a piezoelectric substrate with an inherent temperature sensitivity of magnitude 94ppm/°C. A set of 32 individually...
The paper presents the implementation of wireless sensor system to California launch vehicle education initiative (CALVEIN) program. The CALVEIN program provides student the opportunity to build, design, and flight test low cost launch vehicles for education and technology development purposes. This enables the researchers to rapidly test new wireless aerospace technologies, which can be used in the...
Aerospace industry is closing a stage of evolution that was dominated first by the introduction of hydraulics for actuation and second by the implementation of the Fly-by-wire (FBW) flight control concept, that even today, remains one of the most important progresses of the 20th century in the field of aeronautics.
Ultra wideband (UWB) transmission was evaluated within a small scientific spacecraft, with a view to partly replacing onboard data buses with wireless connections. Spatial distributions of UWB link throughput were derived from measurements. The results revealed that commercially-available UWB devices were capable of accommodating up to around 90-Mb/s data buses within spacecrafts.
In this paper, the authors present a proposal to develop a wireless sensor network platform and to develop a new in-flight fault diagnostics and identification/fault tolerant control (FDI/FTC) system fully integrated with the sensor network. In the proposed research, it is planned to address several key elements of wi-FDI/FTC technology, leading to significant advances in the development and operation...
This work focuses on the structural monitoring of an inflatable lunar habitat, more specifically, characterizing impacts on the surface of such a structure. Given the lack of an atmosphere, the moon is not shielded from small space debris that would normally incinerate on earth, creating the need for these additional safeguards. This project explores an accelerometer based system to localize and scale...
This paper envisions a plug-and-play architecture that will allow engineers to rapidly and robustly define and configure wireless systems for aircraft operations. The architecture described here is based on a layered functional decomposition of the three aspects of operations: information flow, control flow and behavior. These individual layered decompositions are presented as an integrated technical...
This work presents a top-down design methodology for a behavioral modeling System, based on smart sensors for aerospace structures monitoring, implemented on a MATLAB/Simulink environment. The modeled acquisition platform in this aeronautic health monitoring systems (AHMS) is built using the following specific sensors: humidity, pressure, temperature, stress and acceleration. For this application...
Wireless systems have various applications in aerospace technologies including aircraft navigation system, and monitoring and control module. In wireless networks, specially for the range-limited transceivers, relaying systems are widely used to extend the reach of communication networks, increase throughput, and save on power. In most of relay networks, the source and relay nodes share the same radio...
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