An Emergency Monitoring System for Power Cable Tunnels Based on Mobile Wireless Sensor Network

doi:10.11930/j.issn.1004-9649.201911138

Abstract

Abstract: To meet the environmental monitoring requirements of power cable tunnels for emergency cases such as communication network being missed, broken-down, or attacked, a low-cost mobile wireless senor network monitoring system was developed based on WiFi and ultra-wide band (UWB) communication. The system consists of a monitoring host and a wireless monitoring network based on spherical robot mobile nodes. The mobile node employs STM32 series single-chip microcomputer as the main control chip, integrated with a camera module and a temperature humidity module to collect local information, integrated with WiFi communication module to form wireless sensor network using the ad hoc on-demand distance vector routing (AODV) protocol for transmitting the collected information, and integrated with 3 UWB communication modules to measure distances between nodes and to track the platoon. The experimental results demonstrate that the developed system can stably monitor the environment of power cable channel in real time, with a tracking error of no more than 20 cm for mobile sensing platoon and an average time delay of no more than 150 ms for video transmission.

Key words: power cable tunnel, mobile wireless sensor network, spherical robot, ultra wide band, environmental monitoring, platoon track

XU Xinqian, XU Lai, CHEN Jie, LIU Yang, ZHANG Chaopeng, HE Jiahong, GAO Bingtuan. An Emergency Monitoring System for Power Cable Tunnels Based on Mobile Wireless Sensor Network[J]. Electric Power, 2020, 53(1): 66-71,99.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201911138

https://www.electricpower.com.cn/EN/Y2020/V53/I1/66

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