The Trimble GEDO IMS system, consisting of Trimble GEDO CE 2.0 track survey trolley and a high precision IMU (Inertial Measurement Unit), is the basis for running an efficient track survey and asset data collection.
Additional components and sensors can be added to the system to enable the usage of further applications and to guarantee the best performance.
The Trimble GEDO IMS system, consisting of a track survey trolley Trimble GEDO CE 2.0 and a high precise IMU (inertial measurement unit), is the basis for running an efficient track survey and asset data collection.
Additional components and sensors can be added to the system to enable the usage of further applications and to guarantee the best performance.
Trimble GEDO Profiler
The Trimble GEDO Profiler is a laser distance measurement unit with angle encoder for fast and accurate measurements of objects along the track. It can be used to check the track position at known points, and to measure distances to platforms and other fixed structures. The measurement can be purely relative to the current track position or in an absolute coordinate system.
It is also possible to check the clearance and to capture topo points along the track.
In the Trimble GEDO IMS system, the Trimble GEDO Profiler is used to reference the track trajectory using absolute coordinates or purely relative reference points.
Trimble GEDO Scan
The combination of Trimble GEDO Scan and Trimble GEDO IMS provides a highly productive survey and mapping system for assets close to the track. It produces a dense 3D point cloud with an absolute reference.
Out of the point cloud asset data information can be collected and clearance checks can be processed. As well the data can be used as an as-built survey before, during and after construction within a BIM project.
Trimble GEDO GNSS
Combining the Trimble GEDO IMS system with Trimble GNSS technology enables track survey without reference points based on a given GNSS reference system. Thereby collected data can be used to create a new or modified track design. Reference points can be established and measured during the survey run.
This allows the usage of the system for further survey work during the re-construction phase.
Structure
• Flexible track measuring trolley made of lightweight aluminum
• Can be adapted to different track gauges by utilising gauge extensions
Sensors
Gauge measurement
• Measuring range: -20 mm to +60 mm
• Accuracy: ± 0.3 mm
Superelevation (cant) measurement
• Measuring range: ± 9° (alternatively 10°)
• Accuracy: ± 0.5 mm
Odometer
Power supply
• Standard Trimble S-Series Lithium-Ion batteries
• Operating time > 12 h with two batteries
Applications
• As-built of existing railway lines
• Main line and siding tracks, connecting tracks, tramways, underground railways, and industrial tracks
• Clearance analysis
• Data acquisition for routing and modeling purpose
What does GEDO IMS measure?
GEDO IMS uses inertial measurement technology to capture track geometry parameters including gauge, cant (superelevation), track position, and alignment information.
What are the speed capabilities of GEDO IMS?
The system is designed to collect measurements while being operated at walking speed along the track.
How does the inertial measurement system work?
The system uses inertial sensors and positioning technology to continuously measure track parameters while moving along the rail.
What are the main applications for GEDO IMS?
How accurate is GEDO IMS?
The system provides high-precision measurements suitable for professional track surveying and maintenance applications.
How is the data processed and analysed?
Data is processed using specialized software that converts inertial measurements into detailed track geometry information.
Can GEDO IMS operate in tunnels or areas with poor GPS coverage?
The inertial measurement system allows for continuous operation even in areas with limited GPS signal.
What training is required for operators?
Operators need training in system operation, measurement procedures, and basic principles of track geometry.
How does GEDO IMS integrate with other GEDO products?
The system is designed to work within the broader GEDO ecosystem for comprehensive track measurement and documentation.
What output formats are available?
Data can be exported in standard formats compatible with common railway design and maintenance management systems.
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