Research On Automatic Identification And Safety Fastening Of Vehicles On Ro-Ro Passenger Ship

With the development of global economic integration and the advancement of "intelligent navigation era",the application of intelligence in maritime transportation continues to increase.RO-RO SHIP,as an economic and cultural communication medium,plays an important role in maritime transportation.In order to improve the safety level and service quality of RO-RO SHIP transportation,increasing the loading rate of vehicles with cargo and the security of the vehicle after loading,it is of great significance to study the preliminary preparation and process of vehicle loading on board based intelligent system.This paper makes an in-depth study on two aspects,one is license plate recognition and another one is vehicle loading security during the loading process of RO-RO SHIP.In the license plate recognition part,first,this paper analyzes the regulations and methods involved in license plate recognition,and then uses the theory of deep learning to optimize the recognition process.In order to accelerate the recognition rate and improve the accuracy,this paper analyzes the in-depth Convolutional Neural Network and then designs a license plate recognition algorithm based on Mobile Net-YOLO v3.Comparing with a group of traditional license plate recognition results,this algorithm shows its superiority of outputting recognition results.In the vehicle loading and securing section,first this paper studs the management of the vehicle before loading.And then designs algorithms which based on the principle of stowage and consideration of maximizing economic benefits.By using the simulation experiments,this paper verify the practicability and the value of the algorithm in solving vehicle loading problems.Then based on sorting out the basics of cargo securing,this paper carries out the force analysis on ships and vehicles and determine the cargo securing method and accounting process,and also determine the gravity of vehicle’s center,vertical angle of cargo securing,as well as the horizontal angle of cargo securing.In account of all,this paper establish vehicle safety securing calculation model.Finally,combined with the license plate recognition results,this paper use PHP to design a set of cargo securing calculation and evaluation system for carrying vehicles on RO-RO SHIP,then running calculations with examples.The research in this paper can help the crew to manage the information and safety of the vehicles in the RO-RO SHIP transportation,to use the license plate number to locate the designated vehicle,in further to carry out loading and cargo securing operations,as well as the accounting of cargo securing to ensure the safety of the cargo compartment during the navigation.