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CLICKHERETOKNOWMORE
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LTA-UAV: The Future of Disaster Response and
Surveillance
Shattri MANSOR, Ahmad Salahuddin Mohd Harithuddin,
Syaril Azrad Md Ali, Bahareh Kalantar, Azman Abd Ghani
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Presentation Outline
LAT-UAV
Object Detection
Object Tracking
Future
The rational behind drone
(in border surveillance)
Surveillance phase and
service description
Background and why
UAV
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Smuggle diesel at Malaysia Thai border
Thai authorities in the border towns have detected a rise in the
smuggling of petrol and diesel from Malaysia following a sharp
increase in domestic fuel prices in Thailand.
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Border Surveillance
• Some months ago, Malaysia found ‘migrant’ mass graves near
Thai border
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Why do we need an Malaysia Costal Patrol & Border
Surveillance system?
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Border Surveillance Framework
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Five basic steps for Border Surveillance
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Surveillance phases and service description
• Depending on the area (maritime/land) the surveillance activities can be
grouped in distinct progressive phases based on the following three levels:
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Surveillance phases and service description
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Land Phases
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Land Surveillance- Phase 1 & 2
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Land Surveillance- Phase 1 & 2
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Indicative Performance Requirements
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Indicative Performance Requirements
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Static Reference Data
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Optical Satellites
Satellites Spatial resolution
(after pan-
sharpening)
Frequency Equator Crossing Time
Worldview-4 0.31 m < 1.0 day 10.30 am
Worldview-3 0.31 m <1.0 day 10.30 am
Worldview-2 0.46 m 1.1 days 10.30 am
Worldview-1 0.46 m 1.7 days 10:30 am
GeoEye-1 0.46 m 2.1 days 10:30 am
Pleiades-1A 0.5 m Daily 10.30 am
KOMPSAT-3A 0.55 m Daily 10.30 am
KOMPSAT-3 0.7 m 10.30 am
QuickBird 0.65 m 1-3.5 days 10:30 am
Gaofen-2 0.8 m 10.30 am
TripleSat 0.8 m daily 10:30 am local time
IKONOS 0.82 m 3 days 10:30 am solar time
SkySat-1 0.9 m 10.30 am
SkySat-2 0.9 m 10.30 am
SPOT-6 1.5 m 10.30 am
SPOT-7 1.5 m 10.30 am
Other Satellites 2 m-20 m
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UAV for filling the Gap
High resolution
Lower cost More
flexible Precise Real time Convenience
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The rationale behind drones (in border
surveillance)
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Post Processing
Radio Control
Camera
Airframe / Autopilot
Ground Control
Telemetry system
UAS- Platform 1: Fixed Wing System
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Post Processing
Camera
Airframe / Autopilot
Ground Control
Telemetry system
Radio Control
Platform 2: Multirotor System
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NOMAD-X is a complete airborne multi-mission unmanned aircraft measuring 3 metres tip to tip. Designed with a large internal bay enabling it to carry up to 6 kg of payload. Having an extended endurance of 4 hours makes this UAV unmatched in its class.
Platform 3: (NOMAD-X)
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• The unique design of the NOMAD-X allows for fast setup and
mission start in the field. Coupled with a generous payload
carrying capacity, extended endurance and reliability makes this
system truly a multi-mission UAS.
• Take-off is easily accomplished by hand or catapult launcher.
Landing is autonomous and can be a belly landing or flown into
an erected landing net for use in confined areas.
NOMAD-X
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Airframe material : Composite (CF/FG) Propulsion: Electric Maximum take off weight: 8 kg Empty weight: 2 kg Wingspan: 3000 mm Fuselage length: 1100 mm Cruise speed: 15 m/s (29 kts) Dash speed: 34 m/s (66 kts) Maximum wind penetration: 18 m/s (35 kts) Command & Control range: 40 km (900 Mhz) Data-link range : 20 km (1.3Ghz) Long range communications : 3G / 4G / LTE / IRIDIUM
Platform Characteristics:
NOMAD-X
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Platform 4: Lighter-than-Air
Unmanned Aerial Vehicle (LTA-UAV)
Refers to aerial vehicle that
– Generates all or a fraction of its lift using gases e.g.
helium or hydrogen
– Operates without pilot, either under remote control
or full-autonomously by an onboard computer
– Examples: airship, hybrid airship, high-altitude
balloon
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Potentials of LTA-UAV
• Maneuver and remain in a desired geographic location for
days/weeks (“station-keeping”)
• Operates in higher altitudes (10-40 km)
• Provide surveillance over large areas
• A fraction of the cost of a satellite
A platform for persistent, hi-resolution, local- to
regional-scale observation
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LTA-UAV Operating Altitude Capability
Weather Agriculture
Disaster High-Altitude
LTA-UAV Lighter-than-Air Unmanned Aerial Vehicle
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Station-Keeping and High-Altitude Observation Free-floating Balloon vs HTA (Glider) vs LTA
Weather Agriculture
Disaster High-Altitude
LTA-UAV Lighter-than-Air Unmanned Aerial Vehicle
Photo credit: Courtesy graphic https://www.army.mil/article/62316
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Persistent Surveillance & Wide-area Motion Imagery
Weather Agriculture
Disaster High-Altitude
LTA-UAV Lighter-than-Air Unmanned Aerial Vehicle
Graham Warwick, Aviation Week & Space Technology, Defense & Space Technologies to Watch in 2016
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Comparison with other Surveillance Options
Weather Agriculture
Disaster High-Altitude
LTA-UAV Lighter-than-Air Unmanned Aerial Vehicle
Multicopter Balloon/Airship Airplane/Heli Satellite
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500
50
5
0.5
10-
2 10
4 10
6 101
0
Aer
ial C
ove
rage
(
mill
ion
sq
. km
)
Resolved area-weighted observing time (seconds/sq. km)
LEO
Aircraft
LTA-UAV
GEO
LTA-UAV RESOLUTION COVERAGE
SPATIAL High Local to regional
TEMPORAL High Diurnal to
seasonal
LEO Satellite RESOLUTION COVERAGE
SPATIAL High Regional to
continental
TEMPORAL Low Seasonal to inter
annual
Aircraft RESOLUTION COVERAGE
SPATIAL Moderate Global
TEMPORAL Low Weekly to inter
annual
GEO Satellite RESOLUTION COVERAGE
SPATIAL Low Continental to 3rd
of sphere
TEMPORAL High Diurnal to inter
annual
Resolution-Coverage Spatial-Temporal
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Most Promising Use Cases for LTA-UAV in Disaster Relief
Weather Agriculture
Disaster High-Altitude
LTA-UAV Lighter-than-Air Unmanned Aerial Vehicle
Heavy-lift Land anywhere
Emergency Locator Beacon
Communication & Broadcast
Post-disaster assessment
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Lighter-than-Air UAV Applications
Weather Agriculture
Disaster High-Altitude
LTA-UAV Lighter-than-Air Unmanned Aerial Vehicle
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LTA UAV or Platform Potential Missions
Agriculture
Disaster
FOV >105 km2 Spatial resolution <10 m Duration: days Frequency: monthly
Megacity Carbon Emissions Observation Duren and Miller (2012)
Coastal Ecosystem Monitoring
FOV >105 km2 Spatial resolution <10 m Duration: days Frequency: monthly
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LTA UAV or Platform Potential Missions
Agriculture
Disaster
FOV <102 km2 Spatial resolution <1 m Duration: days Frequency: seasonal
Tropical wildlife monitoring Persistent Surveillance – Cities/Ports
FOV <102 km2 Spatial resolution <1 m Duration: hours Frequency: daily
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LTA Vehicles : Current Development of Hybrid Airship
Weather Agriculture
LTA-UAV Lighter-than-Air Unmanned Aerial Vehicle
Nimbus EosXi NIMBUS Srl Italy
P-791 Lockheed Martin
Hybrid Airship UAV Dept. of Aerospace Engineering UPM
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LTA Platforms : Stratospheric Sounding
Weather Agriculture
LTA-UAV Lighter-than-Air Unmanned Aerial Vehicle
Zero Pressure Balloon Super Pressure Balloon NASA
Space Balloon (@altitude 37 km) Dept. of Aerospace Engineering UPM
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Three (3) major systems are at the heart of every UAS
and these are:
a) the Flight Management System (FMS),
b) the Power Plant (PP) and
c) the Data Acquisition System (DA).
Lighter-than-Air Unmanned Aerial Vehicle
(LTA-UAV) Components:
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Engineering Challenges
• Aerospace Engineering - flight control; LTA-UAVs are very susceptible to wind disturbances. Various ways of tethering are considered.
• Structural & Manufacturing - Manufacturing large rigid and semi-rigid airship
• Requires large space for storage, airport
• Data Acquisition : Sensors and real time data transmission
• Data Processing and Machine Learning : real time
• Sustainability - Helium is expensive and not renewable, while hydrogen storage and fueling is trickier.
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Object Tracking Allows you to designated a region of interest on the video as a target. The gimbal automatically steers to keep the object center of frame throughout platform movements. The template matching algorithm allows you to track objects even if they are partially obscured. Motion Detection You can follow multiple cars travelling on a road-will automatically tag up to 5 moving object within its FOV
Sensors
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Object Tracking
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Common Algorithms for Object Detection
Object detection
methods
Advantages Disadvantages
Optical flow it can work even in the
presence of camera motion
sensitive to illumination changes
and noise.
often can only detect partial edge
shapes of moving objects.
computationally complex.
Temporal differencing
The algorithm is simple and
can quickly detect motion
object while it appears.
adaptive to dynamic
environments
unable to detect all relevant pixels
and complete shapes of
foreground objects.
small changes in object
movements or stopping objects
can cause temporal differencing
to fail
Background subtraction
flexible and fast
Low memory requirement
its computational simplicity
camera vibration and speckle
noise also seriously affects the
accuracy of detection
background scenes need to be
consistent while the camera
should also be fixed.
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Method (Object tracking)
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Method (Object tracking)
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Results
Detection and tracking of a multiple dynamic object
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Methodology (Moving Object Detection)
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Results: Multiple moving object detection
Illustrative examples of the DARPA VIVID dataset. The represented images of EgTest01,
EgTest02, and EgTest03 are depicted in the first, second, and third columns, respectively.
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Final Observation
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PROF. DATO’ DR. SHATTRI MANSOR
GISRC, Faculty of Engineering, Universiti Putra Malaysia, 43400 Serdang
E-mail: [email protected]