Analysis of Communication Delay and Packet Loss During Localization Among Mobile Robots

Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 385)

Abstract

Wheeled mobile robots moving in an unknown environment are made to face many obstacles while navigating in a planned or unplanned trajectory to reach their destination. But, no information is available regarding the failure of a leader robot of a group in both unknown and uncertain environments and the subsequent course of action by the follower robots. As the leader fails, one of the follower robots within the group can be assigned as a new leader so as to accomplish the planned trajectory. The present experimental work is carried out by a team of robot comprises of a leader robot and three follower robots and if the present leader fails, a new leader is selected from the group using leader follower approach. But, the problem of localization among multi mobile robots is subjected to communication delay and packet loss. The problem of data loss is analyzed and shows that it can be modeled as a feedback system with dual mode observers. An algorithm has been developed to compensate this packet loss during communication between controller and server in a wifi-based robotics environment. Further, the simulation results prove that the algorithm developed is efficient compared to single mode observers, for both unknown and uncertain environments among multi robots.

Keywords

Multi robots Leader follower approach Packet loss Localization Wheeled mobile robots 

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.Vellore Institute of Technology ChennaiChennaiIndia
  2. 2.Indian Institute of Information Technology Design and Manufacturing (IIITD&M) KancheepuramChennaiIndia

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