This paper takes the boring head of 20 roll mill as the research object,optimizes the vibration inside the boring head through a differential damping structure,and then conducts the 3 d model inside the boring head th...This paper takes the boring head of 20 roll mill as the research object,optimizes the vibration inside the boring head through a differential damping structure,and then conducts the 3 d model inside the boring head through SolidWorks,and checks the interference of the boring head model.Finally,Ansys workbench finite element analysis software is used to analyze and verify the vibration damping characteristics of the differential damping structure.展开更多
This paper mainly studies the problem of multi-task assignment of providers in port logistics service supply chain.As a core enterprise,port plays the role of logistics service integrator.With the continuous developme...This paper mainly studies the problem of multi-task assignment of providers in port logistics service supply chain.As a core enterprise,port plays the role of logistics service integrator.With the continuous development of industrial integration,logistics service providers not only provide one kind of logistics service,but also develop into composite suppliers who capable of providing a variety of logistics services.This paper studies the task assignment problem of multi-service capability providers in the port logistics service supply chain.The two-stage logistics service provider task assignment model was built,which is based on the mixed evaluation method(including MOORA and FMEA)and the multi-objective planning method.Eventually,the effectiveness of the model method was verified by combining with an example.展开更多
As one of the main modes of capacity sharing in the shipping alliance,the essence of which is the space mutual rent transaction among members.However,under the current trading system,the sharing of capacity between sh...As one of the main modes of capacity sharing in the shipping alliance,the essence of which is the space mutual rent transaction among members.However,under the current trading system,the sharing of capacity between shipping enterprises requires a lot of transaction costs and communication costs,cooperation efficiency is not high,and there is a certain competitive relationship between enterprises,they work for their own interests,resulting in more difficult cooperation,and blockchain consensus mechanism,intelligent contracts,distributed bookkeeping and other characteristics can solve these problems of alliance cooperation.Therefore,based on the idea of blockchain,this paper designs a model of mutual lease cooperation in shipping union cabins,gives the model and process of mutual lease transactions based on blockchain,realizes mutual trust and win-win situation among members,simulates through the combination of Hyperledger Fabric and Matlab,and verifies the applicability of blockchain to shipping alliance capacity sharing cooperation.展开更多
基金2022 Liaoning Provincial Natural Science Foundation Plan(Yingkou Joint Fund),New Style Design and Optimization of Bore Head Drive Structure(Fund No.:2022-YKLH-17)In 2023,the key scientific research project of Yingkou Institute of Technology is the Design and Optimization of Smoke Drainage Pipe for New Mining Truck(Fund No.:ZDIL202306)2021 Natural Science Foundation ofLiaoning Province(Yingkou Joint Fund)Research on Dynamic Characteristics of Damped Vertical Shack(Fund No.:2021-YKLH-08).
文摘This paper takes the boring head of 20 roll mill as the research object,optimizes the vibration inside the boring head through a differential damping structure,and then conducts the 3 d model inside the boring head through SolidWorks,and checks the interference of the boring head model.Finally,Ansys workbench finite element analysis software is used to analyze and verify the vibration damping characteristics of the differential damping structure.
文摘This paper mainly studies the problem of multi-task assignment of providers in port logistics service supply chain.As a core enterprise,port plays the role of logistics service integrator.With the continuous development of industrial integration,logistics service providers not only provide one kind of logistics service,but also develop into composite suppliers who capable of providing a variety of logistics services.This paper studies the task assignment problem of multi-service capability providers in the port logistics service supply chain.The two-stage logistics service provider task assignment model was built,which is based on the mixed evaluation method(including MOORA and FMEA)and the multi-objective planning method.Eventually,the effectiveness of the model method was verified by combining with an example.
文摘As one of the main modes of capacity sharing in the shipping alliance,the essence of which is the space mutual rent transaction among members.However,under the current trading system,the sharing of capacity between shipping enterprises requires a lot of transaction costs and communication costs,cooperation efficiency is not high,and there is a certain competitive relationship between enterprises,they work for their own interests,resulting in more difficult cooperation,and blockchain consensus mechanism,intelligent contracts,distributed bookkeeping and other characteristics can solve these problems of alliance cooperation.Therefore,based on the idea of blockchain,this paper designs a model of mutual lease cooperation in shipping union cabins,gives the model and process of mutual lease transactions based on blockchain,realizes mutual trust and win-win situation among members,simulates through the combination of Hyperledger Fabric and Matlab,and verifies the applicability of blockchain to shipping alliance capacity sharing cooperation.
