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ALS and ULS Lidar Technology developments from RIEGL · PDF file ground speed 246 kn 196 kn 161kn 145 kn 115 kn 106 kn flight height AGL 7500 ft 2280 m 6600 ft 2000 m 5700 ft 1740

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  • ALS and ULS Lidar Technology developments from RIEGL

    Vladimir Kadatskiy Airborne Systems Segment Manager

    UF/FL-ASPRS Fall LiDAR Workshop November 9, 2017

  • www.riegl.com

    About RIEGL

    RIEGL has over 49 years of experience in the research, development and production of laser radar measurement devices and systems, and is the global leader in the innovation of LIDAR technology for land, marine, and airborne survey. RIEGL-Timeline_since- 1968_asper_30-06- 2014_view.pdf

    RIEGL-Timeline_since-1968_asper_30-06-2014_view.pdf

  • www.riegl.com

    RIEGLs Family of instruments

    Laser Scanners for TLS

    LIDAR Engines for ALS & MLS

    LIDAR Systems for ALS & BLS

    LIDAR Systems for MLS

    LIDAR Engines & Systems for ULS

  • www.riegl.com

    New Airborne Instruments: INTERGEO 2017

    Innovation in 3D

    VQ-1560i-DW VQ-880-GH VQ-780i

    Ultra-High Performance dual-

    Wavelength system

    Topo-Bathymetric lidar

    system

    High Performance, Wide

    Area and Corridor mapping

    system

  • www.riegl.com

    Key Features of the RIEGL VQ-1560i-DW

    • Similarities to RIEGL VQ-1560i:

    • PRR of up to 2 x 1000kHz

    • Digitization of 1GSps at 12Bit per channel

    • Integration of an IMU/GNSS/FMS system, cameras,

    Gyro stabilized platform (GSM4000)

    • Dual Wavelength (DW) version of the RIEGL VQ-1560i

    • Channel 1: green laser wavelength, 532 nm

    • Channel 2: infrared laser wavelength, 1064 nm

    • Channels deliver complementary information on targets different amplitudes and reflectances on same target

    • Adjustable settings: for both channels laser power, for green channel beam divergence

    Innovation in 3D

  • www.riegl.com

    VQ-1560i-DW

    Shallow Water Bathymetry

    Innovation in 3DInnovation in 3D

    Estimated surface

    acquisition depth down to 0.75 m

    Reflectance Reflectance GNDVI green channel IR channel

    Forestry Mapping

  • www.riegl.com

    VQ-880-GH Design

    • New form factor designed for helicopter use

    • New high resolution camera options (100MPx and 4 band option)

    • Improved IR channel performance

    • Bathymetric laser channel 550Khz PRR, 1.5 secchi

    • Topographic laser channel 550Khz PRR

  • www.riegl.com

    RIEGL VQ-780i – Development Goals

    • Maintain proven rugged design and form factor of LMS-Q780 while:

    • Increasing productivity

    • Minimizing post processing time

    • Improving data quality

    Innovation in 3D

  • www.riegl.com

    RIEGL VQ-780i – Mechanical Interface

    Innovation in 3D

  • www.riegl.com

    RIEGL VQ-780i – Improvements over LMS-Q780

    • Laser power, x 2.0

    • PRR, 400kHz → 1000kHz, x 2.5

    • Area acquisition rate increases by 2.5 @ same point density (point densities ≥ 8pts/m²) or

    • Point density increases by 2.5 @ at the same area acquisition rate

    • Scan rate, 200 lps → 300 lps, x 1.5

    • MTA processing, 8 pulses in the air → 22 pulses in the air simultaneously

    • Digitization depth, 8 Bit → 12 Bit

    • Online waveform processing capability and (smart) waveform recording

    • Calibrated intensity values (reflectance)

    • Atmospheric clutter suppression (ACS Technology)

    • Internal 1TB SSD storage

    • Data link interface allows cables of up to 10 m length to the data recorder

    • Gbit-LAN interface enables online data transfer (OWP only) to PC/laptop

    Innovation in 3D

  • www.riegl.com

    RIEGL VQ-780i - Productivity

    Innovation in 3D

    average point density

    1 pts/m² 2 pts/m² 4 pts/m² 8 pts/m² 20 pts/m² 30 pts/m²

    measurement rate

    333 000 meas./sec

    466 000 meas./sec

    666 000 meas./sec

    666 000 meas./sec

    666 000 meas./sec

    666 000 meas./sec

    area acquisition rate

    960 km²/h 672 km²/h 480 km²/h 240 km²/h 96 km²/h 64 km²/h

    ground speed 246 kn 196 kn 161kn 145 kn 115 kn 106 kn

    flight height AGL

    7500 ft 2280 m

    6600 ft 2000 m

    5700 ft 1740 m

    3200 ft 970 m

    1600 ft 490 m

    1150 ft 350 m

    swath width 2600 m 2300 m 2000 m 1120 m 560 m 410 m

    Assumptions: stripe overlap 20%, terrain reflectance 20%

  • www.riegl.com

    RIEGL VQ-780i - Productivity

    Innovation in 3D

    Area acquisition rate of the RIEGL VQ-780i

    •Outperforms LMS-Q780 and LMS-Q1560

    •Outperforms even VQ-1560i at less than 5pts/m²

  • www.riegl.com

    Atmospheric Clutter Suppression

    Innovation in 3D

    2 3 0 0 m

    RIEGL VQ-780i

    PRR 250 kHz

    AGL 2300 m

    7500 ft

  • www.riegl.com

    Atmospheric Clutter Suppression

    Innovation in 3D

    due to haze, droplets, fog,

    clouds, dust particles, ..

  • www.riegl.com

    Atmospheric Clutter Suppression

    Innovation in 3D

  • www.riegl.com

    Atmospheric Clutter Suppression

    Innovation in 3D

    what if . . . . . no atmospheric clutter

  • www.riegl.com

    Atmospheric Clutter Suppression

    Innovation in 3D

    RIEGL VQ-780i • User-definable clutter

    suppression • Suppression of near-

    by thin clouds and layers of fog

    . . no atmospheric clutter

  • www.riegl.com

    Atmospheric Clutter Suppression

    Innovation in 3D

    MTA zone 4MTA zone 5

  • www.riegl.com

    New integrations – MIDAR 10 camera setup

    Innovation in 3D

    500 Megapixels per second

    1 MHz lidar 60 degree FOV

    Fits into 19” port

    Completely Gyro stabilized

  • www.riegl.com

    Example of Data Acquired at High Point Density

    Innovation in 3D

    power line at 30pts/m²

    each wire consists of two ropes at a distance of approx. 45cm

  • www.riegl.com

    Unmmaned Systems UAV

    Innovation in 3D

    RIEGL VUX-1 UAV (2014) 550 KHz PRR, Max operating ALT 1150ft , Weight 3.5kg

    RIEGL VUX-1 LR (2015) 820 KHz PRR, Max operating ALT 1740ft , Weight 3.5kg

    RIEGL mini VUX-1 UAV (2016) 100 KHz PRR, Max operating ALT 260ft , Weight 1.5kg

    RIEGL mini VUX-1 DL NEW 100 KHz PRR, Max operating ALT 260ft , Weight 2.4kg

  • www.riegl.com

    Key Facts

    Innovation in 3D

    • RIEGL‘s online waveform processing

    • 15mm accuracy / 10mm precision

    • PRR: 100 kHz, 100,000 meas./sec.; 75 revolutions/sec.

    • FOV: ±23° = 46° (circular scan pattern)

    • Max. measurement range: up to 200m

    • Only one MTA-zone – no ambiguity problems

    • Laser beam divergence: 1.6 x 0.5 mrad

    • Max. number of targets per pulse: up to 5

  • www.riegl.com

    Key Facts

    Innovation in 3D

    • Data storage

    – Exchangeable SDHC/SDXC memory card - up to 128 GB

    – For faster and easier data download

    • Lightweight: 2.4kg only

    • Different interfaces (user-defined)

    • WiFi – for smart configuration of the scanner

    • Laser class 1 – eyesafe

    • Wavelength: near infrared, 905 nm

  • www.riegl.com

    miniVUX-1DL: Scan Pattern Example

    Innovation in 3D

    52 pts/m2 66 pts/m2 316 pts/m2

    nadir

    Sample Data

    • Red dots = circular arc behind the scan origin • Blue dots = circular arc in front of the scan origin x = 40m off-nadir

    • AGL 80 m • Speed 18 m/s, 40 mph • PRR 100 kHz • LPS 75 Hz

    Detailed Views (2m x 2m)

    x = 20m off-nadir

  • www.riegl.com

    Data: miniVUX-1DL (on RiCOPTER)

    Innovation in 3D

  • www.riegl.com

    miniVUX-1DL integrated into DT26X

    Innovation in 3D

  • www.riegl.com

    Data: miniVUX-1DL (integrated into DT26X)

    Innovation in 3D

  • www.riegl.com

    APX-20: Summary

    Innovation in 3D

    • New product designed for UAV applications

    – Board + new lightweight high performance external IMU

    – Total: 1.98 lbs (900g) less weight (compared to AP20+CU)

    – Directly integrated

    • No need for control unit (CU)

    • Comparable accuracy (AP20/APX-20)

    • POSPac UAV support

  • www.riegl.com

    Camera Integrations

    Innovation in 3D

    • NADIR camera solution for all scanners

    ▪ Sony Alpha 6000 or Sony Alpha 7R

    • Thermal imagery integration

    ▪ Flir Tau2 / Vue Pro or Workswell WIRIS 640

  • www.riegl.com

    Integration Kit 600

    Innovation in 3D

  • www.riegl.com

    Integration Kit 600: Contents

    Innovation in 3D

    The kit consists of:

    • 1 x mounting plate

    • 4 x vibration isolation dampers

    • 1 x GNSS antenna, cable, and bracket

    • 1 connection box “light” • system power cable

    • multi-purpose cable

    • trigger cable

    • RC expansion boa

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