zeb1 mobile hand-held laser scanner for mining applications
TRANSCRIPT
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ZEB1 Mobile Hand-‐held laser scanner for mining applica9ons
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ZEB1 – Hand-‐held Mobile Mapping System
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Data Capture
ZEB1 Top View
90° B
lind Spot
ZEB1 Side View
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Data capture with ZEB1
Copy data to PC
Upload to Server
Process to 3D points
Download to PC
These steps all managed by GeoSLAM PC applica9on
Features: Data management Create master user profile Create standard user profile Manage user profiles Purchase credits Report on usage and credits
ZEB1 -‐ Work Flow (Part 1: 3D Points)
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GeoSLAM Uploader App • Upload the RAW scanned data onto the processing server:
Available processing credits
Upload RAW scan data; then download processed data
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Geo-‐reference
Clean points
3D Mesh
Fill holes
Create profiles
Using “pole” targets
3D Reshape
r soY
ware
Delete people, vehicles Remove noise and outliers
Sub-‐sample points to 0.01m
Try to avoid large holes during data capture
Export to DXF
ZEB1 Work Flow (Part 2: Final Result)
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Geo-‐referencing RAW scan data to control
Intersection of pole and roof is control point
Hang short pole from roof peg
Sphere picked up in scan data
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1 Credit Unit = 2m x 2m x 2m (8m3) 1 Credit Unit = USD $0.50 Ex. 198m scan = 99 credits = $49.50
Data Processing Calcula9on
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Holmans Test Mine, UK Scanned in 11 minutes – Data processed in 11 minutes
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Mining Applica9ons • Underground tunnel mapping: mapping areas without
previous (or outdated) info • Change monitoring: scanning the same area in different
epochs to detect and quan9fy changes • Restricted area mapping: use of the ZEB1 along a remote
vehicle to safely scan in areas of difficult access (ZEB+ZEBRA combo)
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Mining Applica9ons • Incident recording: use to record all details surrounding
an incident scene • Advance tracking: to quan9fy advances in underground
tunnels • Volume calcula9on: measure stockpile volumes and
other materials • As-‐built vs As-‐designed plans
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ZEB1 -‐ Scanning Examples – Underground tunnels
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Cross-‐Sec9ons
Overbreak & Clash calcula9ons
Volume Calcula9ons
3D Mesh
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ZEB1 -‐ Scanning Example-‐Sec9ons
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ZEB1 -‐Overbreak/clash detec9ons
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ZEB1 -‐ Scanning Example – Stockpile scan
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ZEB Data Works With
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ZEB Data Works With
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Best Prac1ce Guidance Survey
ENCLOSED environments
Survey FEATURE-‐RICH environments
Survey EXTERNAL
environments
Perform CONTINGENCY PLANNING
Conduct REAL ESTATE VALUATIONS
Conduct STOCK PILE ANALYSIS
Survey WIDE-‐OPEN environments
Survey MULTI-‐LEVEL Environments
Survey FEATURE-‐LESS environments
Survey UNDERGROUND
MINES
Survey BUILDINGS for SKETCH DESIGN
REDUCE COST of survey
ELIMINATE soMware
PURCHASE costs
REDUCE TIME on-‐site
Survey FOR LONGER than 30 mins.
Survey BUILDINGS for DETAIL DESIGN
Survey FORESTS
Obtain dimensions for FABRICATING STEELWORK
CRIME SCENE RECORDING
Survey TO ACHIEVE +/-‐ 1mm
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ZEB1 Users
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ZEB1 Sha) Scanning Case Study at Kiruna Mine, Sweden with ÅF Consult
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The Challenge:
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ZEBRA Components for ShaY Scanning ZEB1 Scanning Head
ZEBRA Nodding Actuator
ZEB1 Data Logger
Winch to lower down shaY
Nodding Movement
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350m deep shaY
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View Down ShaY
View from Top – showing scan head trajectory
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ZEB1 Survey Process
• Lower ZEB1 down shaY and raise back up. – 30 mins
• Upload for automa9c processing. – 30 mins processing
• Data available for analysis. – Immediate review of results
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Case Studies-‐Lisheen Mine
ZEB1 with ZebRA mount & remote actuator for autonomous use
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Case Studies-‐Lisheen Mine
Sec8on of tunnel measured with Total Sta8on and Modelled using 3DReshaper. Note the accurate roof surface and the approximate tunnel profile generated by reducing the number of measurement points used to create the walls.
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Case Studies-‐Lisheen Mine
Iden8cal sec8on of tunnel measured this 8me with ZEB1 and modelled again using 3D Reshaper. Note this 8me the improved accuracy for all tunnel surfaces including roof and walls leading to more accurate tunnel volume calcula8ons.
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Worldwide
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Thank You! Ques1ons?