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The Trimble GEDO IMS-Scan system consists of the Trimble GEDO CE 2.0 track measurement trolley with a Trimble GEDO IMU and a Trimble control unit in combination with a laser scanner.
The system adds a laser scanner to the highly productive Trimble GEDO IMS system. An absolutely referenced three-dimensional point cloud is generated, which can be used for as-built data collection for the design and construction phases, and for clearance analysis in tunnels or at any narrow points.
The Trimble GEDO IMS-Scan system can also be used in conjunction with a Trimble GNSS receiver for absolute referencing.
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GEDO IMS
- Control of the measurement with inertial measurement system and laser scanner
- Detection of the absolute track position together with track gauge, cant and twist
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GEDO Scan Office
- Pre-processing and visualization of three-dimensional point cloud data captured in the field
- Generation of an absolute referenced three-dimensional point cloud
- Track specific analysis of point cloud data
- Measurement of object distances relative to the track centerline
- Clearance analysis with static or dynamic clearance profiles as well as wagon models
- Neighboring track detection for tracks visible in the scan
- Overhead line detection and distance measurement
- Registration of points and lines directly from the point cloud
- Generation and vectorization of cross sections with DXF output
- Additional modules (i.e. WinLUE, Clearroute, Banedanmark) for clearance analysis according to track infrastructure operator requirements.
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Trimble GNSS
The combination of the Trimble GEDO IMS system with Trimble GNSS technology enables as-built surveys without local control points in a given reference system.
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- Highly productive measurement system for documenting the near-track environment through combination of inertial measurement technology and laser scanning
- Complex geodetic station setup procedures and associated restrictions are eliminated
- Short initialization time enables rapid deployment on site
- Use of a universal track measurement trolley with modular expansion options
- Modular design allows the use of a terrestrial laser scanner also for other surveying tasks
- Flexible alignment of the laser scanner for better object visibility
- Measurement of long sections of track and fast detection of bottlenecks without impact on train traffic
- High resolution and detailed capture of objects
- Specialized software for evaluation and documentation
- Navigation in the point cloud along the track axis
- Extensive clearance analysis functionality in three-dimensional point cloud based on actual and design track position
- Support of different calculation methods for clearance analysis with static or dynamic clearance profiles (wagon model, country-specific calculation methods, etc.)
- Neighboring track detection for tracks visible in the scan
- Overhead line detection and distance measurement
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Planning, BIM and construction
- Documentation of the current state
- Basic data capture for planning and 3D modeling purposes
- Planning basis for the track alignment
- Clearance analysis with static or dynamic clearance profiles or wagon models for current or newly planned track alignments or for the use of new train sets
- Overhead line planning
- As-built documentation after completion for operation and maintenance phases
- Final inspection and variance comparison after completion of construction phase
Operation
- Clearance analysis for extra-wide transports and cross-border rail traffic
- Construction documentation for track infrastructure operators (i.e. WinLUE for LIRA, Clearroute)
Asset management
- Object registration