Title: Adaptive Sampling and Prediction (ASAP)
1Research and Development
2006
2007
2008
2010
2004
2011
2005
2009
AOSN-II
Adaptive Sampling and Prediction (ASAP)
Autonomous Wide Aperture Cluster for Surveillance
(AWACS)
Undersea Persistent Surveillance (UPS)
Persistent Littoral Undersea Surveillance (PLUS)
Basic Research Program
Exploratory Development Program
Advanced Development Program
2Undersea Persistent Surveillance (UPS) Stages
Opportunities
Stage 0 Ocean Nowcast / Forecast
Glider fleet
Targeted measurements
Data assimilative models
Remote Sensing
Efficient propagation models
Stage I Adaptive Search
Vector sensor arrays
Efficient intercept algorithms
Stage II Adaptive DCLT
Advanced signal processing
Cooperative behavior
Stage III Adaptive Convergence
Mobile, network control
3Stages 0 and I Key Questions
AOSN-II
ASAP
How to obtain the best field estimates given
sparse sampling?
What advantage does targeted observation give to
predictive skill?
What advantage does a clustered, adaptive
architecture provide to predictive skill?
Environment
Feature tracking
Objects
.. .. ..
Target glimpse
What advantage does adapting to the environment
provide to detection?
What advantage does a nested, adaptive aperture
antenna provide to detection?
What gain advantage do mobile, vector arrays
provide?
AWACS
UPS
4In-Situ Data
Remote Sensing Data
Databases
Lagrangian Fixed sensors
Mobile sensors
Adaptive Sampling Strategies
Data Assimilation
External Forcing
Models
Environment Analysis Prediction
Object Analysis Prediction
Constituent Fields Current fields Biological thin
layers
Detection, Classification, Localization, Tracking
(DCLT) Decision
Field Sampling Decision
Feedback reduces error
5Passive Vector Sensor ArraysE-Field Sensors
Acoustic and Ocean ModelsTargeted Observations
Adaptive Feedback
Directional Sensitivity
Mobility, Persistence
Autonomous DCLT
Autonomous Underwater VehiclesAcoustic Modems
Autonomous DCL Automated Tracking
6Example Coverage Analysis for All Gliders in
AOSN-II
- varies 2 km (at shore) to 10 km (at 4000m
depth), t 24 hours, - Outside black contour, locations not sampled for
48 hours.