The Clearance Gauge Measurement System for the Taipei Metro (MRT) focuses on ensuring operational safety by monitoring the "envelope" or “spatial limits” between the rolling stock and wayside structures. This system is critical for preventing collisions and ensuring that no infrastructure - such as cables, pipes, or platform edges - encroaches into the train’s path.
- High-Precision Sensing
Integration of high-speed 2D LiDAR and 360°spherical camera imaging system (Ladaybug+, Teledyne FLIR) to capture real-time spatial data of the tunnel environment.
(Teledyne FLIR: https://www.flir.com/home/)
- Automated Data Processing
Advanced algorithms designed to compare live data against the theoretical design clearance profiles
- Dynamic Measurement
The system is capable of performing accurate measurements at operational speeds, reducing the need for manual inspections and minimizing track downtime
- Geospatial Mapping
Syncing measurement data with GIS (Geographic Information System), IMU (Inertial Measurement Unit could be integrated if needed.
Structure Gauge & Envelope Inspection - Wenhu Line, TRTC
Structure Gauge & Envelope Inspection – Danshui-Xinyi Line, TRTC




