Future Technologies and Developments In Sonar ficci.in/events/22716/ISP/4-AJ-SINGH.pdf · The ATLAS

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  • The ATLAS ELEKTRONIK Group/ 1The ATLAS ELEKTRONIK Group/ 1

    a sound decision

    Future Technologies and DevelopmentsIn Sonar Systems For Conventional Submarines

    Cmde A Jai Singh (Retd), ATLAS ELEKTRONIK India19 April 2016, FCCI - New Delhi

    http://sales.atlas.de/countries/asia/Pages/India.aspxhttp://sales.atlas.de/countries/asia/Pages/India.aspx

  • The ATLAS ELEKTRONIK Group/ 2The ATLAS ELEKTRONIK Group/ 2

    To Set the Context

    Challenges to Overcome

    Environment complex acoustic

    conditions biological noise high shipping

    densities

    Operations networked

    operations high endurance less energy

    consumption

    Human Factor reduced crew

    strength varying training

    levels

  • The ATLAS ELEKTRONIK Group/ 3The ATLAS ELEKTRONIK Group/ 3

    ISUS100 for Submarines

    Superior System Performance for Complex Conditions

    Expanded Flank Array Flank Array Towed Array with Winch

    and Shape Estimator

    Large Acoustic ApertureLong-Range Sonar Sensors

    Mine Avoidance Mode Forward Looking Mode Safety Surfacing

    Forward Looking Active Sonar (FLAS)

    Advanced Ranging Sonar (as an option to EFAS)

    Passive Ranging Sonars

    Medium Frequency Surveillance Sonar Extended Conformal / Cylindrical Array Vertical Beamforming

  • The ATLAS ELEKTRONIK Group/ 4The ATLAS ELEKTRONIK Group/ 4

    Features of the Expanded Flank Array Sonar (EFAS)

    Extension of the frequency range up to 4.8 kHz

    Improved directivity index due to higher frequency

    Improved target separation performance due to higher frequency

    Suppression of own noise by use of damping and shielding materials

    Effective flow noise damping by a hydro dynamically optimised sonar dome

    Multiple Additional Benefits

    Expanded Flank Array Sonar

  • The ATLAS ELEKTRONIK Group/ 5The ATLAS ELEKTRONIK Group/ 5

    Multiple Additional Benefits

    EFAS Sea Trial Results- on 212A class submarine

    Screenshot from MFCC

    EFAS in upper detection display

    CAS in lower detection display

    Superior detection performance

    Operationally applicable

  • The ATLAS ELEKTRONIK Group/ 6The ATLAS ELEKTRONIK Group/ 6

    PRS(Passive Ranging Array)

    c orr

    ela

    t or

    1c o

    rrel

    at o

    r2

    range processing

    and filtering

    range

    ARS(EFAS)

    range

    f oc u

    ss i

    ng

    be

    am

    f or m

    er

    range processing

    and filtering

    Multiple Additional Benefits

    Passive Ranging Principles PRS vs. ARS

  • The ATLAS ELEKTRONIK Group/ 7The ATLAS ELEKTRONIK Group/ 7

    Future Functions

    Detect threats (helicopters / fixed wing aircraft)

    Generate target parameters (missile engagement)

    Complete and full automatic passive aircraft detection:

    Narrow band processing for required frequencies

    Detection of targets with Multi-Hypotheses-Tracker

    Classification of aircraft / no aircraft

    Estimation of the target position

    Classification of aircraft type by fundamental frequency

    Enter The Airspace With A Towed Array

    Passive Aircraft Detection

  • The ATLAS ELEKTRONIK Group/ 8The ATLAS ELEKTRONIK Group/ 8

    Discover the Undiscovered

    Improving Passive Sonar Detection Performance

    Adaptive Beamforming Algorithms

    Estimation of beamformerparameters in real time from the stave data of the array (adaptive)

    Computationally demanding compared to Delay-Sum beamformer

    Features ofadaptive

    beamforming

    High target separation capabilities

    Capabilityto detect very weak

    targets

    Robust schemes available

    Extended conformal & flank arrays

  • The ATLAS ELEKTRONIK Group/ 9The ATLAS ELEKTRONIK Group/ 9

    Discover the Undiscovered

    Comparison DSBF vs. ABF: Sea Data EFAS - DSBF BDT 1

  • The ATLAS ELEKTRONIK Group/ 10The ATLAS ELEKTRONIK Group/ 10

    Minimum Effort Maximum Output

    Sonar Track Manager (SOTRAM)

    SOTRAM

    Multiple-Hypothesis

    Tracker

    Operational & Display Concept

    Data Fusion

    Component

    automatic track setup Automatic surveillance of track

    quality Automatic closing of tracks

    which have become unsafe

    One Target, one Track Change of track history possible

    Less displays Simplified operation

  • The ATLAS ELEKTRONIK Group/ 11The ATLAS ELEKTRONIK Group/ 11

    Future Functions

    Evaluation of received target echoes withinbi- & multistatic anti submarine warfare scenarios

    Operation in cooperative & non cooperativeenvironments

    Displays range and bearing of contacts in PPI plot

    Someone is switching on the light be the first and open your eyes.

    Bistatic Sonar

  • The ATLAS ELEKTRONIK Group/ 12The ATLAS ELEKTRONIK Group/ 12

    Safety First!

    Multipurpose Forward Looking Active Sonar Setup

    Transmission Concept

    Application of single frequency / high bandwidth concept

    Centre frequency of 50 kHz represents optimum balance between

    Detection ranges against small targets (mines)

    Detection ranges against large targets (submarines)

    Forward looking performance

    Low probability of intercept

    Basis for MOAS and FLS functions

    Safety Surfacing

  • The ATLAS ELEKTRONIK Group/ 13The ATLAS ELEKTRONIK Group/ 13

    Applicable for detection of

    floating mines

    moored mines

    obstacles

    small submarines

    Additional Features

    Depth classification

    Automatic tracking

    Automatic alarm

    Automatic collision avoidance course proposals

    Horizontal detection sector: 120

    Vertical detection sector: 60

    Safety First!

    Mine & Obstacle Avoidance Sonar (MOAS)

  • The ATLAS ELEKTRONIK Group/ 14The ATLAS ELEKTRONIK Group/ 14

    Features

    generates visual representation of sea bottom profile in forward direction

    applicable as a navigation and safe surfacing aid

    Horizontal detection sector: 120

    Vertical detection sector: 60

    Safety First!

    Forward Looking Sonar (FLS)

  • The ATLAS ELEKTRONIK Group/ 15The ATLAS ELEKTRONIK Group/ 15

    Improved sonar sensor performance for complex submarine missions

    Sea proven as well as innovative technology

    Minimum operator workload and maximum performance

    Optimum balance between computational power and energy consumption / low physical space occupancy

    Technology and service support can be provided to IN through our subsidiary ATLAS India

    ISUS100 - A Considerable Step Forward in Evolution

    The system solution for conventional submarines

  • The ATLAS ELEKTRONIK Group/ 16The ATLAS ELEKTRONIK Group/ 16

    SOMEONE IS SWITCHING ON THE LIGHTBE THE FIRST AND OPEN YOURE EYES!

    ISUS100A Considerable Step Forward in Evolution

  • The ATLAS ELEKTRONIK Group/ 17The ATLAS ELEKTRONIK Group/ 17

    ATLAS ELEKTRONIK GmbHSebaldsbruecker Heerstrasse 23528309 Bremen | GermanyPhone: +49 421 457-02Telefax: +49 421 457-3699

    www.atlas-elektronik.com

    Contact

    a sound decision

    ATLAS ELEKTRONIK GmbHSebaldsbruecker Heerstrasse 23528309 Bremen | GermanyPhone: +49 421 457-02Telefax: +49 421 457-3699

    www.atlas-elektronik.com

    Contact