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Offering the Widest Range of Hydroacoustic Solutions 2003-2010 Copyright BioSonics, Inc. All Rights Reserved www.biosonicsinc.com Active Acoustic Technology.

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Presentation on theme: "Offering the Widest Range of Hydroacoustic Solutions 2003-2010 Copyright BioSonics, Inc. All Rights Reserved www.biosonicsinc.com Active Acoustic Technology."— Presentation transcript:

1 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Active Acoustic Technology For Biological Detection, Assessment, and Monitoring at MHK Sites Bob McClure BioSonics, Inc. 2-5 November, 2010

2 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved BioSonics Inc. Digital Scientific Echosounders DT-X Echosounder Scientific Split Beam Echosounder Hydroacoustics

3 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Transducer Sound Field Input Output Scientific Echosounder Electrical energy converted to sound Sound transmitted through water, focused on axis Sound is reflected by objects with different density than water Reflected energy is converted by transducer from mechanical to electrical Sound velocity used to convert time-based data into range-based data Echosounder receiver amplifies signal and provides quantitative output (display and raw acoustic data) Time Voltage Output BioSonics Inc. Principals of Acoustics

4 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Mobile Surveys Vertical Transducer Orientation

5 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Echogram Bulls eye display shows targets relative position within beam Oscilloscope Data Collection & Analysis

6 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Acoustic Cameras

7 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Traditional Fixed-Location Split Beam Acoustic Monitoring

8 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Roosevelt Island Tidal Energy (RITE) Project Cross section showing analysis grids Automated Analysis Biological Observations reported for each analysis grid Reports and Alerts Published in real-time

9 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Accurate detection and tracking of targets throughout the coverage range. Target classification, identification, possible based on acoustic and other sensor / knowledge. Range adequate for real-time data processing and reporting. Detection and Tracking of Marine Mammals

10 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Turbine Transect path Hydroacoustic Survey - SeaGen Project Strangford Lough, Ireland

11 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Echogram from 400 m transect traveling South to North 400 m 25 m Results: Excellent environment for detection and classification of marine organisms Hydroacoustic Survey - SeaGen Project Strangford Lough, Ireland

12 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Hydroacoustic System to Monitor Marine Mammal Interactions at Kinetic Hydro Power Project Site Profile view showing hydroacoustic coverage zone utilizing four-transducer system 400 m

13 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Cross-section view of bi-directional monitoring system Concept of Operation

14 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Monitoring Operation – Profile View Acoustic coverage area is a function of the number of transducers Quantify and monitor trajectory of all objects entering turbine field Understand how marine animals interact with the device Acoustic coverage area using 1, 2, or 3 transducers

15 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved 150 m Monitoring Operation – Plan View

16 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved Monitoring Operation – Rotators and Additional Sensors Dual axis mechanical rotators can be used to increase coverage footprint Imaging sonar device can be integrated for ground truth and refinement of split- beam classification engine

17 Offering the Widest Range of Hydroacoustic Solutions Copyright BioSonics, Inc. All Rights Reserved


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