NICOP - AWAKE - Ultra low power wake-up interfaces for autonomous robotic sensor networks in sea/subsea environments
Abstract
The main goal of the AWAKE project is to create knowledge on new and innovative designs andtechniques of passive, low-cost, ultra l"ow power sensing/communication interfaces that could beapplied to wireless robotic sensor networks operating in sea/subsea environm"ents. In an envisionedscenario, such networks are comprised of a fleet of autonomous surface and underwater vehicles(ASVs and AUVs"") capable of very long-term autonomous operation. The proposed ultra low powerinterfaces could serve as an ""always on"" primary aler""ting mechanism, i.e. a wake-up event detectionsystem for a robotic sensor network that is otherwise operating in an energy-conservi""ng, deep sleepmode. The wake-up signal can be generated from surveillance sensors (such as magnetic, acoustic);environmental senso""rs (such as anemometer); navigational sensors (such as GPS, underwaterbeacon) or communication receivers (acoustic, RF and satellit""e modem).Once the wake-up signal is initiated and propagated through the network, robots comprising thenetwork could decide to ver""ify the event occurrence by processing multi-sensor data, or carry onwith their planned mission in response to the event. The propo"sed wake-up approach offers thepossibility to dramatically reduce the energy spent during environment sensing and idle listening of"the communication channel, so that more energy is available for the robotic mission itself. This isparticularly important in long-""term surveillance missions that are part of distributed operations in acontext of expeditionary and irregular warfare, where high m""obility and endurance of small tacticalunits with constrained energy and computational resources (such as micro ASVs and AUVs), nee"d tobe provided.The project will deal with basic research in the field of ultra low power sensing and analog/digitalsignal proces"sing, applied to three main focus areas:(1) ultra low power event detection at AUV/ASV level (wake-up sensor interfaces).(2) ultra"" low power communication interfaces (wake-up receivers)(3) ultra low power event detection at a network level, utilizing the benefi"ts of (1) and (2).The basic concepts that will be developed within activities that correspond to all three research focusareas wil"l be first evaluated through modeling of signal sources, wake-up algorithms and circuits. Inthe second stage, experimental wake-up" sensor interfaces and wake-up receiver demonstrators willbe designed and separately evaluated in laboratory environment. At final" stage, all individualdemonstrator devices will be integrated into an experimental AUV/ASV-based system, tested inlaboratory under"water environment (i.e. test basin facility) and prepared for field trials.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Nov 03, 2017
- Source ID
- N629091712160
Entities
People
- Vedran Bilas
Organizations
- Faculty of Electrical Engineering and Computing, University of Zagreb
- Office of Naval Research
- United States Navy