Airborne Laser Scanning
Diamond HK36 Super Dimona · Wiring Diagram
Overview
This document provides a comprehensive overview of airborne laser scanning technology, specifically focusing on the RIEGL laser measurement systems. It details the components and workflow of airborne laser scanning (ALS) surveys, including data acquisition and processing techniques. The document is particularly relevant for operators and technicians working with the Diamond HK36 and other aircraft equipped with RIEGL systems. Key features include specifications for various RIEGL models, operational altitudes, and processing methodologies, making it a valuable resource for understanding the integration of laser scanning technology in aviation.
- RIEGL LMS-Q680i operates at altitudes up to 5,000 ft AGL with a pulse repetition rate of 400 kHz.
- The workflow for ALS includes mission planning, preflight checks, and data post-processing.
- Full waveform analysis allows for capturing multiple echoes from targets, enhancing data quality.
- Components of an ALS system include scanners, IMU, GPS, and data storage units.
- Scan data adjustment techniques are essential for ensuring measurement accuracy.
Document
Source
Originally published by blogs.hrz.tu-freiberg.de. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Wiring Diagram
- Year
- 2011
- Pages
- 40
- File size
- 4.2 MB
- Publisher
- blogs.hrz.tu-freiberg.de
Most owners only have the POH. Here's the essential set for the Diamond HK36 Super Dimona.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
Airborne Laser Scanners and Systems
This section outlines the different airborne laser scanners available, including the RIEGL LMS-Q680i and LMS-Q560. It discusses their capabilities, such as multiple-time-around processing and full waveform analysis, which are essential for capturing accurate 3D data from the air.
Workflow of ALS Survey and Data Processing
The workflow section describes the steps involved in conducting an ALS survey, from mission planning to data post-processing. It emphasizes the importance of preflight checks, GPS alignment, and quality control to ensure accurate data collection.
Components of ALS Systems
This section details the various components that make up an ALS system, including the scanner, IMU, GPS, and data storage solutions. It highlights how these components work together to capture and process laser scanning data effectively.
Full Waveform Data Acquisition
This section explains the principle of full waveform data acquisition, which allows for the collection of multiple echoes from targets. This capability is crucial for applications requiring detailed analysis of the scanned environment.
Scan Data Adjustment
The scan data adjustment section discusses techniques for refining the collected data to improve accuracy. It includes methods for boresight adjustment and other calibration techniques necessary for precise measurements.
Full document text
www.riegl.com Airborne Laser Scanning Technology and Data Acquisition ChangeHabitat2 - International Workshop on Advanced remote sensing methodology development to support Natura 2000 management actions across EU Budapest December 7-8, 2011 Nikolaus Studnicka, Peter Rieger and Martin Pfennigbauer RIEGL Laser Measurement Systems GmbH A-3580 Horn, Austria www.riegl.com RIEGL Laser Measurement Systems Contents: ● Airborne laser scanners and systems ● Workflow of ALS survey and data processing ● Time-of-Flight range measurements and full-waveform analysis ● Multiple-Time-Around processing ● Geo-referencing ALS data ● Scan data adjustment ● Sample data Terrestrial Scanning Airborne Scanning Mobile Scanning Industrial Scanning www.riegl.com RIEGL Laser Measurement Systems www.riegl.com RIEGL Laser Measurement Systems Terrestrial Scanning Airborne Scanning Mobile Scanning Industrial Scanning Airborne Laser Scanners and Systems RIEGL Laser Measurement Systems www.riegl.com •Components of ALS systems •RIEGL • LMS-Q680i •RIEGL • DR-680 • RiPROCESS • IMU & GPS • Flight Guidance • RiACQUIRE Airborne laser scanning is a rapid, highly accurate and efficient method of capturing 3D data of large areas. for planes: LMS-Q680i / LMS-Q560 • Multiple-Time-Around (MTA) Processing (LMS-Q680i) • Full Waveform Analysis for an unlimited number of target echoes • operating flight altitude up to 5,000 / 3,300 ft AGL • Laser PRR 400 / 240 kHz for helicopters: NEW RIEGL VQ-580 • optimized for glacier and snow measurements RIEGL VQ-480 / VQ-380 • echo digitization and Online Waveform Processing • multiple target capability • operating flight altitude up to 2,500 / 1,800 ft AGL RIEGL Airborne Laser Scanner www.riegl.com APPLANIX POS AV IGI AEROControl & IGI CCNS IXSEA AIRINS 3rd party IMU/GPS systems RIEGL Q680i IMU CAM GPS Receiver Trajectory Data logger Flight Guidance Camera Data Storage RiACQUIRE Synchronization Monitoring & Ctrl Data stream RIEGL DR680 Pilot Display Operator workstation Block diagram ALS System NEW RIEGL NP680i Highly compact, flexible and efficient turnkey ALS solution, fully EASA certified, comprising LMS-Q680i, DR560-RD, ALS software, INS/GNSS unit, and FMS, smoothly integrated into the "Universal Nose" of the Diamond twin-engine plane DA42 MPP. Airborne Laser Scanning www.riegl.com RIEGL BP680 – Diamond DA42MPP RIEGL LMS-Q560 – Diamond HK36 RIEGL CP680 – Mil Mi-8 RIEGL CP680 – Vulcan Air P68 Custom Integration RIEGL Q560 – Bell Jet Ranger Workflow of ALS survey and data processing RIEGL Laser Measurement Systems Request for ALS data Legal framework GPS Reference Stations Overlap of scan lines Scanner Configuration Flight parameters (speed & height) Definition of the flight path Mission Planning Postfligt IMU/GPS alignment Survey flight – target area (opt. flying Alignment Patterns) Preflight IMU/GPS alignment On-Board System Test Checklist Survey Flight Quality Control (opt. System Calibration) Visualizing Scan Data Georeferencing Scan Data Prepare Scanner‘s Raw Data Prepare IMU/GPS-Raw Data Data Post Processing WGS84 referenced Point Cloud ALS data processing workflow Typical Flight plan – Vienna 2006 Flight plan – Uckermark 2011 Flight plan – Sopron 2011 ALS Data Processing Workflow RiPROCESS Key Features: • Project oriented data management • Parallel data processing in LAN‘s • Fast visualization of large areas • System calibration • Spatial transformation and projection Full Waveform Data Acquisition Principle of time-of-flight measurementswww.riegl.com Amplitude Tm Tn Tm+1 S m En S m+1 Time Multiple-Time-Around processing www.riegl.com Multiple Time Around - MTA Zone 2 Avoiding range ambiguities in flight planning MTA zone 1 MTA zone 2 MTA zone 3 www.riegl.com Avoiding range ambiguities in flight planningwww.riegl.com One scan stripe transits 3 MTA Zones RIEGL LMS-Q680i PRR = 400kHz Ru = 375m www.riegl.com Alt AGL [m] t [s] 0 140 120 100 80 60 40 20 200 300 1000 900 800 400 500 600 700 MTA 3 MTA 2 MTA 1 RIEGL LMS-Q680i PRR = 400kHz Ru = 375m www.riegl.com One scan stripe transits 3 MTA Zones Alt AGL [m] t [s] 0 140 120 100 80 60 40 20 200 300 1000 900 800 400 500 600 700 MTA 3 MTA 2 MTA 1 RIEGL LMS-Q680i PRR = 400kHz Ru = 375m www.riegl.com One scan stripe transits 3 MTA Zones Alt AGL [m] t [s] 0 140 120 100 80 60 40 20 200 300 1000 900 800 400 500 600 700 MTA 3 MTA 2 MTA 1 RIEGL LMS-Q680i PRR = 400kHz Ru = 375m www.riegl.com One scan stripe transits 3 MTA Zones Alt AGL [m] t [s] 0 140 120 100 80 60 40 20 200 300 1000 900 800 400 500 600 700 MTA 3 MTA 2 MTA 1 RIEGL LMS-Q680i PRR = 400kHz Ru = 375m www.riegl.com One scan stripe transits 3 MTA Zones Alt AGL [m] t [s] 0 140 120 100 80 60 40 20 200 300 1000 900 800 400 500 600 700 MTA 3 MTA 2 MTA 1 Scan Data Adjustment Before and after boresight adjustment ALS Moviewww.youtube.com/watch?v=TiM4n7rMTMk