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A Distributed Framework of Autonomous Drones for Planning and Execution of Relief Operations during
        
        Every year, flood hits the world economy by billions of dollars, costs thousands of human and animal lives, destroys 
a  vast  area  of  land  and  crops,  and  displaces  large  populations  from  their  homes.  The  flood affected require  a  time-critical 
help, and a delay may cause the loss of precious human lives. The ground rescue operations are difficult to carry out because 
of the unavailability of transport infrastructure. However, drones, Unmanned Vehicles, can easily navigate to the areas where 
road  networks  have  been  destroyed  or  become  ineffective.  The  fleet  participating  in  the  rescue  operation  should  have  drones 
with different capabilities in order to make the efforts more successful. A majority of existing systems in the literature offered a 
centralized system for these drones. However, the performance of the existing system starts decreasing as the required number 
of  tasks  increases.  This  research  is  based  on  the  hypothesis  that  a  distributed  intelligent  method  is  more  effective  than  the 
centralized  technique  for  relief  operations  performed  by  multiple  drones. The research  aims  to  propose  a  distributed  method 
that  allows  a  fleet  of  drones  with  diverse  capabilities  to  communicate  and  collaborate, so that the  task  completion  rate  of 
rescue  operations could be  increased. The  proposed solution consists of three main modules:  1) communication and message 
transmission  module  that  enables  collaboration  between  drones, 2)  realignment  module  that  allows  drones  to  negotiate  and 
occupy  the  best  position  in  the  air to optimize  the  coverage  area, 3)  situation  monitoring  module  that  identifies  the  ground 
situation and acts accordingly. To validate the proposed solution, we have performed a simulation using AirSim simulator and 
compared the  results with  the  centralized  system.  The proposed distributed  method performed better  than  legacy  systems.  In 
the future, the work can be extended using reinforcement learning and other intelligent algorithms.    
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