Research On Key Issues In Logistics Technology

With the development of market economy, China's logistics industry will enter a period of rapid growth. Several key technologies of logistics are studied and analyzed systematically in this dissertation. They are logistics center location methods, logistics an distribution network design methods, logistics information sharing platform and logistics security protocol for logistics information transmission.In this dissertation some innovations have been achieved and presented:Firstly, this dissertation adopts the modified Delphi method to select the logistics center location evaluation factors, in determination of factor weights, to against the shortcomings of the traditional AHP weight determination method, and presents an improved method based on triangular fuzzy numbers, which can solve the problem of subjective and consistency test in AHP method effectively. Experiment studies show that this method is feasible and effective for logistics center location evaluation.Secondly, this paper converts the logistics distribution network problem into a weighting network,which can describe special cases. And establishes a genetic algorithm according to shortest path algorithm in topology model and special constraint of constant node count.Moreover,an emulation experiment is designed to which the algorithm is applied,The experiment proves that the algorithm is valid and efficient.Thirdly, this paper presents a general framework of the logistics information sharing platform based on ESB technology. Practice shows that this logistics information sharing platform has flexibility and versatility.Finally, this paper analyses the traditional transmission network security technology and cryptographic algorithms, presents a mixed-cipher security algorithm and Logistics Secure Communication Protocol to set up an efficient and secure data transmission channel to transfer the security data.