Research And Development Of Crane Entry Simulation System Based On Real Vehicle Data

The rapid development of technologies such as network communication,internet of things,big data and virtual reality has greatly promoted the process of industrial intelligence,which has important practical significance for improving the efficiency and safety of engineering operations.Both industrial manufacturing systems and engineering operations are actively seeking effective methods to technological innovation,which could be applied to industrial practi ce to improve the level of intelligence.As an important lifting equipment in the field of engineering machinery,the crane has certain complexity and particularity in its working environment and approach.The lifting efficiency and the safety of admission have been gotten widespread attention and the level of lifting intelligence needs to be improved desperately.This paper takes all-terrain crane as the research object,and adopts MFC,Access database,OSG,Socket and other technologies comprehensively to develop a crane entrance simulation system based on real vehicle data for the crane before the operation and the human-machine interaction design during the operation.In addition,we conduct in-depth research on wireless communication protocols,preset path planning and crane entry simulation in the system.The specific res earch content is as follows.(1)Establish a wireless communication data transmission model between the vehicle controller and the PC based on the local working scene of the crane,and design the relevant communication protocol.The PC is the host computer and the vehicle controller is the lower computer,whose communication connection is established by TCP/IP protocol.Since the transmission and reception modes of different module data are different,communication protocols and numerical analysis methods are separately designed.The efficiency,order,and packet loss of parallel data transmission are the difficulties of wireless communication.The traditional way to solve such problems will be at the expense of the efficiency of the program.This paper classifies the data and implements it with C++ multi-threading technology.It is proved that this method can solve the above problems,and the transmission data has high real-time performance.(2)An improved genetic algorithm is proposed to solve the problem of crane entry path planning.Coded by combining one-dimensional integers with two-dimensional coordinates,the induction vector,association matrix and probability are introduced in the population initialization according to the operation principle of genetic algorithm.And the penalty mechanism and reverse induction are set for the special cases that may occur in the algorithm,which fully guarantees the quality of the randomly generated parent population.Multi-point directional crossover is adopted in the design of cross-genetic operators,so that the progeny individuals generated by the crossover are better than one of the two parental individuals,which improves the convergence speed of the algorithm and designs the mutation operator to maintain the diversity of the population and prevent the algorithm from premature.(3)Development of an OSG-based 3D simulation system for all-terrain cranes entering the field.The OSG hierarchical tree is used to manage the 3D model.The scene tree consists of three levels: root node,branch node and leaf node.The callback function is designed by using the node update callback mechanism in OSG to simulate the dynamic driving of the crane.Many tests have proved that the system works well and can meet the requirements of use.