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AGV applications in automated logistics system planning studies

Author: GuoNaNa
Tutor: HouZuoBin
School: Xi'an University of Science and Technology
Course: Control Theory and Control Engineering
Keywords: Immune Genetic Algorithm Path planning ZigBee Wireless Communication AGV
CLC: TP242
Type: Master's thesis
Year: 2010
Downloads: 220
Quote: 6
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Abstract


Automatic Guided Vehicle (AGV) is a modern logistics system, key equipment, it is an unmanned automated transportation equipment, communication systems through the host computer to accept instructions from the base and report their status , the host computer can monitor the AGV in between origin and destination autonomous driving , automatic operation . This article is to study how to make automated logistics system AGV host computer receives signals, and the most efficient in order to achieve the shortest path to the function of transporting goods . This paper describes and analyzes the general structure of the AGV AGV structural features ; followed by studies of genetic algorithm and immune algorithm and compare the two algorithms described their defects , on this basis, based on immune genetic algorithm proposed AGV path planning approach . This method is mainly divided into two steps : the first step is to use the grid method to establish the free space model AGV ; second step is the use of immune genetic algorithm for finding the optimal path for the AGV , and the immune genetic algorithm for computer simulation . The simulation results can be seen AGV can well avoid all the obstacles, safe from the starting point to reach the target point , the shortest path planning and fairly smooth . Secondly, the article also AGV communication system design, logistics and automation systems for AGV wireless communication between the control center problem , we propose a ZigBee-based AGV and two-way communication between the master method , gives the design programs and networking star network design process. Finally , in the actual experimental verification system platform in an automated logistics system AGV path planning and communications applications . Experiments show that : the car can avoid obstacles from the starting position to reach the target point , the completion of freight tasks, and planned path is the shortest path ; logistics system control between the host and the AGV can be a good two-way communication . Satisfactorily achieved papers design goals.

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