Long-Range Wireless Communication for In-Line Inspection Robot: 2.4 km On-Site Test

Author:

Yavasoglu Huseyin Ayhan12ORCID,Unal Ilhami3,Koksoy Ahmet3,Gokce Kursad2,Tetik Yusuf Engin2ORCID

Affiliation:

1. Mechatronics Engineering, Mechanical Engineering, Yildiz Technical University, Istanbul 34349, Türkiye

2. TUBITAK Rail Transport Technologies Institute, Kocaeli 41470, Türkiye

3. TUBITAK Marmara Research Center, Kocaeli 41470, Türkiye

Abstract

This paper presents a study of the feasibility of using in-line inspection (ILI) techniques with long-range communication-capable robotic systems deployed with advanced inspection sensors in natural gas distribution pipelines, which are rare in the literature. The study involved selecting appropriate antennas and determining the appropriate communication frequency for an ILI robot operating on Istanbul 12″ and 16″ steel pipelines. The paper identifies the frequency windows with low losses, presents received signal strength indicator (RSSI) and signal-to-noise ratio (SNR) information for various scenarios, and evaluates the impact of T-junctions, which are known to be the worst components in terms of communication. To utilize the pipeline as a waveguide, low-attenuation-frequency windows were determined, which improved communication by a factor of 500 compared to aerial communication. The results of laboratory tests on a 50 m pipeline and real-world tests on a 2.4 km pipeline indicate that long-distance communication and video transmission are possible at frequencies of around 917 MHz with low-gain antennas. The study also assessed the impact of the early diagnosis of anomalies without incidents on the environment, achievable with ILI robots using long-range wireless communication.

Publisher

MDPI AG

Subject

Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment,Geography, Planning and Development,Building and Construction

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