Title of Presentation: OASIS - Optimized Autonomous Space - In-situ Sensorweb
Primary (Corresponding) Author: Sharon Kedar
Organization of Primary Author: Jet Propulsion Lab
Co-Authors: LaHusen, R., Kedar S., Song, W., Chien, S., Shirazi, B. Davies, A. , Tran, D., Pieri, D.
Abstract: An interagency team of earth scientists, space scientists and computer scientists are collaborating to develop a real-time monitoring system optimized for rapid deployment at restless volcanoes. The primary goals of this Optimized Autonomous Space In-situ Sensorweb (OASIS) are: 1) integrate complementary space and in-situ (ground-based) elements into an interactive, autonomous sensorweb; 2) advance sensorweb power and communication resource management technology; and 3) enable scalability for seamless infusion of future space and in-situ assets into the sensorweb. This three year project started with a rigorous multi-disciplinary interchange that resulted in a system requirements document aimed to guide the design of OASIS and future networks and to achieve the project stated goals. Based on those guidelines, we have developed fully self-contained in-situ nodes that integrate GPS, seismic, infrasonic and ash detection sensors. The nodes in the wireless sensor network are linked to the ground control center through a highly optimized mesh optimized for many-to-one operation. OASIS also features an autonomous bidirectional interaction between ground nodes and instruments on the EO-1 space platform through a database with alarming capabilities at the command and control center. We have completed an initial end-to-end test that involved all system components and we are now optimizing component performance and increasing ease of user interaction in preparation for a deployment in the crater of Mount St. Helens, Washington. First tests of incorporating Interferometric Synthetic Aperture Radar into the OASIS prototype are underway with NASA’s UAVSAR.