Sensors and Tracking Methods Used in Wireless Sensor Network Based Unmanned Search and Rescue System -A Review

Abstract

Increasing natural and human induced disasters boost up the urge to develop new technologies to design a search and rescue robots that can replace the least reliable methods like partnering search dogs with rescuers, Camera mounted probes, locally available man power to find people buried alive in the wreckage of disasters. Since the search and rescue team's work environment is highly dynamic, the application of robots needs considerable level of sovereignty, advanced sensors that can cope up the situation and reliable data communication. The primary missions of Robots designed for search and rescue are to search for victims and to reveal the potential hazards to rescuers. Wireless sensor network is basically used in USAR application to detect, localize and track the targets. This article, provide a comprehensive, multi-disciplinary survey of the existing literature, focusing mainly on Sensors to detect human beings and tracking multiple targets (search robots)using a network of stationary sensors