A Novel Tunnel Inspection Robot

S, Sradha P; Santhosh, Vishnu; P, Lekshmi; Anand, Bhagya; Prathap, Parvathy

doi:https://doi.org/10.55041/ijcope.v2i5.210

Published on: May 2026

A NOVEL TUNNEL INSPECTION ROBOT

Sradha P S Vishnu Santhosh Lekshmi P Bhagya Anand Parvathy Prathap

Dr.Bycil V J

Department of Electronics and Communication Engineering Rajadhani Institute of Engineering and Technology Rajadhani Hills Attingal

DOI:https://doi.org/10.55041/ijcope.v2i5.210

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Abstract

TUNNEL INSPECTION is a critical task to ensure the structural safety and proper maintenance of underground infrastructures such as railway tunnels, road tunnels, and utility pipelines where human interventions are not possible traditional inspection methods are time-consuming, costly, and expose human inspectors to hazardous environments including low visibility, toxic gases, and confined spaces. To overcome these limitations, this project recommends the design and development of a TUNNEL INSPECTION ROBOT capable of performing inspection tasks. The proposed robot is equipped with sensors and motors such as gas sensors, temperature sensors, metal detectors etc. to detect structural defects, obstacles, cracks, water leakage, and harmful gases inside tunnels. A microcontroller or embedded system processes the sensor data and enables real-time monitoring and control through wired or wireless communication .The robot uses two Arduino Uno Microcontrollers to efficiently runs system operations .The first Arduino handles motion control and distance sensing .The second Arduino is dedicated to environmental monitoring and communication .The DC gear motor provides movement to robot .The Bluetooth Modules enables wireless communication between robot and the operator for remote control and data monitoring .For visual inspection an ESP32-CAM module is integrated to capture live video and images of tunnel walls which helps in crack detection and structural analysis .To ensure stable power supply for all components buck converters are used to regulate voltage efficiently. The robot’s compact and robust mechanical structure allows it to navigate narrow and uneven tunnel surfaces efficiently.

Keywords: crack detection; gas sensor; temperature sensor; metal detector; DC gear motors; buck coverters

How to Cite this Paper

S, S. P., Santhosh, V., P, L., Anand, B. & Prathap, P. (2026). A Novel Tunnel Inspection Robot. International Journal of Creative and Open Research in Engineering and Management, <i>02</i>(05). https://doi.org/10.55041/ijcope.v2i5.210

S, Sradha, et al.. "A Novel Tunnel Inspection Robot." International Journal of Creative and Open Research in Engineering and Management, vol. 02, no. 05, 2026, pp. . doi:https://doi.org/10.55041/ijcope.v2i5.210.

S, Sradha,Vishnu Santhosh,Lekshmi P,Bhagya Anand, and Parvathy Prathap. "A Novel Tunnel Inspection Robot." International Journal of Creative and Open Research in Engineering and Management 02, no. 05 (2026). https://doi.org/https://doi.org/10.55041/ijcope.v2i5.210.

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