TUnIS Navigation MTGyroEMS
TUnIS Navigation MTGyroEMS is a microtunnelling navigation system suitable for long-distance and curved drives in small, non-accessible diameters. The system consists of a primary gyro-based system and a secondary system based on an electromagnetic probe.
Reason why
The purpose of TUnIS Navigation MTGyroEMS is to continuously determine the exact position of the tunnelling machine even when the machine and pipeline cannot be entered.
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Non-accessible microtunnelling drives pose a particular challenge to the navigation system, as no line of sight to the TBM exists. In such cases, conventional control survey using known reference points in the shaft area cannot be used. An alternative solution is required here to improve the relative position data generated by the gyro-compass.
Our hybrid system TUnIS Navigation MTGyroEMS exactly meets these requirements by combining a fibre optic gyro-compass with a secondary system based on an electromagnetic probe. While the gyro-compass provides continuous high-frequency relative position data as a basis for precise steering of the TBM, the secondary system refers itself to a reference coil at the surface. TUnIS Navigation MTGyroEMS thus enables continuous, precise calculation and display of the TBM position.
Benefits
- Precision
Ongoing position determination and high-precision control in the non-accessible diameter range. - Safety
Existing installations such as pipelines, roads, railways and rivers can be crossed under safely. - Investment security
The TUnIS navigation MT software platform is the basis for all VMT navigation systems and benefits directly from further developments and improvements in other navigation areas.
Add-Ons
Radius Monitoring
Radius Monitoring is an assistant function focussing on bending radii for small diameter pipe jacking and Direct Pipe® projects.
The feature provides the machine operator with most precise data to keep the TBM within the permitted radius range. Integrated into the TUnIS Navigation MT platform, the assistance function supplements the navigation system with extensive data on the curve radius for precise tunnelling.
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Benefits:
- Compliance with documentation requirements:
Radius Monitoring ensures that the documentation and the reporting meet the specifications of the customers. - Improved navigation precision:
Radius Monitoring shows the driver the radius in real-time and thus offers the possibility to optimise the precison of the steering. - Conformity with the alignment:
The automatic monitoring of the radii supports the driver to stay within the limits of the pipeline’s maximum bending radii. - Decrease in cost:
Thanks to the system the monitoring of the radii is carried out automatically. Costs for surveying personnel can be saved.
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Contact
For more information or project inquiries do not hesitate to contact our expert.
