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28 February 2019, Volume 22 Issue 1 Previous Issue    Next Issue

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A Multi-Structure Service Composition of Manufacturing Resource Allocation under the Mode of Cloud Manufacturing ZHAO Daozhi, WANG Zhongshuai 2019, 22 (1):  1-10.  doi: 10.3969/j.issn.1007-7375.2019.01.001 Abstract ( 1104 )   PDF (798KB) ( 5886 )   Save In the cloud manufacturing environment, how to improve the efficiency of platform-based enterprises to allocate resources and solve the complex manufacturing tasks that arise at the same time in the multi-service combination structure needs urgently to be solved. The comprehensive trade-off platform and the interests of the demand side are used to establish a multi-attribute evaluation method for demand-side service quality indicators and platform flexibility indicators, a bi-level programming decision-making model of resource allocation is built, and then a heuristic resource allocation algorithm is designed, which proves the pareto optimality of the supply chain of cloud manufacturing. A sample application finally verifies the feasibility and validity of the whole resource allocation mechanism. References | Related Articles | Metrics

A Development Level and Suitability Evaluation of Incubators in Guangdong Province Based on Niche Model ZHANG Fan, WANG Shusheng 2019, 22 (1):  11-19.  doi: 10.3969/j.issn.1007-7375.2019.01.002 Abstract ( 897 )   PDF (605KB) ( 5687 )   Save Based on ecological perspective, the concept of incubator niche was proposed, and the incubator niche evaluation index system was constructed from three dimensions:economic-technical-social resources. On this basis, the niche model was used to evaluate the development level, development coordination degree and development suitability of incubators in 18 cities of Guangdong Province. The results show that:(1) while incubators have significant spatial agglomeration characteristics, they have higher niche in developed regions; (2) the social resource niche of the incubators in Guangzhou and Zhuhai lags behind the economic and technical niche, and social resources are the key "ecological factors" for incubators in these two cities; the technical niche of incubators in Dongguan and Foshan is slightly insufficient, which should be strengthened in the future; with the development level of incubators in the eastern western and northern regions backward, all resources need to be excavated and developed; (3) incubators in Guangzhou have highest development suitability, and the incubators in eastern, western and northern regions have high evolutionary momentum. References | Related Articles | Metrics

A Design of Agricultural Product Supply Chain Structure Considering Horizontal Competition FENG Chun, LIU Meiping, YANG Xuan 2019, 22 (1):  20-26.  doi: 10.3969/j.issn.1007-7375.2019.01.003 Abstract ( 915 )   PDF (401KB) ( 5706 )   Save By applying game theory, a three-tier agricultural supply chain composed of farmers, cooperatives and social enterprises is established, to analyze the impact of different levels of horizontal competition on the supply chain, as well as the pro-poor nature of cooperatives. The results show that the level of horizontal competition between cooperatives and social enterprises at different tiers has impacts on the optimal decision-making of all members in the supply chain and the total profit of members at all tiers; and that horizontal competition can better reflect the pro-poor nature of cooperatives. In addition, the influence of cooperative exclusive and sharing of supply farmers on the supply chain is analyzed. It is found that cooperatives exclusive supply farmers will inhibit the level of horizontal competition among cooperatives. Finally, a supply chain that is most beneficial to farmers is established-one consisting of appropriate number of farmers, multiple cooperatives and multiple social enterprises, and cooperatives sharing all farmers. References | Related Articles | Metrics

A Research on Pricing Decision and Coordination of Dual-channel with Demand Disruptions under Market Segmentation JING Youguo, XIONG Siqin, QIN Kaida 2019, 22 (1):  27-35.  doi: 10.3969/j.issn.1007-7375.2019.01.004 Abstract ( 1226 )   PDF (601KB) ( 5644 )   Save Aiming at a double-channel supply chain made up of a manufacturer with an independent segment market and a retailer with a traditional channel, the pricing decision and coordination problems when facing the demand disruption are researched. Under the premise of no disturbance of market demand, a model of dual channel supply chain under market segmentation is established by applying dynamic game. For the centralized supply chain, how the dual-channel supply chain is priced and coordinated when the market demand is disrupted in four situations is examined and discussed by solving the Karush-Kuhn-Tucker (KKT) conditions of optimal profit under market segmentation, and then comparing it with the optimal decision without disturbance. For the decentralized supply chain, conditions are derived which the revenue sharing contract should meet when the supply chain is re-coordinated. The results of the example analysis show that when the value of the revenue sharing contract parameter is within the specified interval, the total profit of the supply chain can be increased by about 4.5%, and the Pareto improvement is realized. References | Related Articles | Metrics

Producing and Recycle Pricing Competitive Strategies of the OEM and the Third Party under the Authorization Mode YANG Aifeng, ZHAN Qianying, SONG Mingzhu, HU Xiaojian 2019, 22 (1):  36-44.  doi: 10.3969/j.issn.1007-7375.2019.01.005 Abstract ( 1055 )   PDF (717KB) ( 5970 )   Save Assuming that the third party remanufacturer (third party) needs to pay the authorization fee to the original equipment manufacturer (OEM) in order to recycle and remanufacture the used items, the OEM and the third party compete in both the forward supply chain sale market and the reverse supply chain recovery market. A Cournot game model is set up with constraints to maximize the closed-loop supply chain profits of both sides. It obtains the optimal production amount and the optimal recovery price of end-of-use products under third party partial remanufacturing and third party completing remanufacturing by using K-T condition. Finally, the influence of the unit authorization fee and other parameters on the decision variables and the optimal profits are analyzed by means of analytical methods and numerical examples. References | Related Articles | Metrics

A Design of a Dual Channel Supply Chain with Optimal Price and Product Quality HUANG Fu, SONG Huaming, YANG Hui, WANG Lisha, MA Dongsheng, WU Jiawei 2019, 22 (1):  45-52.  doi: 10.3969/j.issn.1007-7375.2019.01.006 Abstract ( 1043 )   PDF (940KB) ( 6088 )   Save A joint price and product quality decision problem is investigated in which product quality is endogenous and customers have different acceptance of direct channel and retail channel. Considering that the supply chains can be centralized or decentralized, the price equilibrium decision, the product quality level and profit between manufacturer and retailer are compared under three models, and the channel strategy and optimal price of retailer and manufacturer analyzed. The results show that:compared with the traditional retail channel, in centralized decision, the manufacturer, by adding a direct channel, does not change the retailer's price, but can improve the product quality level and the profit of the supply chain; and in decentralized decision, the manufacturer, by adding a direct channel, will reduce the wholesale price, retailer's price and product quality level of the product. In addition, the direct channel may not always be detrimental to the retailer. References | Related Articles | Metrics

Impact of Construction Material Supply Disruption on Contractor Cost——A Robust Model Analysis YUAN Huihui, WEN Xiuchun, LU Jianfei, SUN Huaping 2019, 22 (1):  53-60.  doi: 10.3969/j.issn.1007-7375.2019.01.007 Abstract ( 900 )   PDF (910KB) ( 5867 )   Save In order to reveal and analyze the impact of the supply interruption, which occurs under the coupling condition between the two subjects of the supplier and contractor-based secondary supply chain, on the supplier's optimal decision-making and the contractor's cost, the supplier's high exit risk is taken as a research object. While knowing only the output mean and variance, the worst-case robust decision-making method proposed by Scarf is used and the feedback of the supply chain system under different decision-making situations is set and the game process of the secondary supply chain under different exit criteria analyzed. Based on the theoretical simulation of the robust model, the numerical simulation results show that when the exit criterion α is 100, the intermediate variable is in the range of 290~350, and the supplier has the optimal decision, but the contractor's optimal decision cannot be determined; compared with α being 0, when the order quantity reaches a certain state, that is, α when is 140, the contractor's cost increases by 1.5%, indicating that the contractor's cost is positively related to the supplier's exit criteria. The higher the exit standard, the greater the impact on the contractor's cost. This conclusion provides a new perspective for the mechanism of supply disruption in the initial stage of unstable supply chain and incomplete information. References | Related Articles | Metrics

A Bidirectional Option Flexibility Contract for Emergency under Stochastic Price LU Shengwei 2019, 22 (1):  61-68.  doi: 10.3969/j.issn.1007-7375.2019.01.008 Abstract ( 1207 )   PDF (499KB) ( 5749 )   Save Aiming to deal with the risk of wholesale price fluctuation with options and the risk caused by the random fluctuation of market price and market demand with quantity flexibility contracts, the internal law of the coordination supply chain with bidirectional option quantity flexibility contracts is explored. The bidirectional option contract and quantity flexibility contract are integrated, and the supply chain with random fluctuation of wholesale price, market price and market demand is coordinated to find the optimal supply chain decision. The simulation example is given. The results show that the bidirectional option flexibility contract is more effective than the base quantity flexibility contract when the wholesale price fluctuates. The bidirectional option flexibility contract can coordinate supply chain with both wholesale price and market price. References | Related Articles | Metrics

An E-commerce Searching Advertisement Serving Strategy Based on Data Mining ZHANG Lei, GUO Feng, HOU Xiaochao 2019, 22 (1):  69-78.  doi: 10.3969/j.issn.1007-7375.2019.01.009 Abstract ( 1288 )   PDF (503KB) ( 6466 )   Save In order to reduce the cost of advertising investment for businesses, and optimize the shopping experience of users in the e-commerce platform, the massive real data provided by Ali "Tianchi Big Data" platform is applied and a machine learning model is built and trained with the target of advertising conversion rate. By analyzing the model learning results, the influencing factors and effects of search advertising conversion rate are explored. The results show that store logistics services, advertising product sales, consumer preferences, and the degree of intelligence of e-commerce platforms have a greater impact on conversion rates. At the same time, all the influencing factors are classified and analyzed in the four dimensions of users, shops, advertising products and advertising contexts. Based on this, the advertisement serving strategy based on the platform and the merchant perspectives is proposed to provide reference for the e-commerce platform and its resident merchants. References | Related Articles | Metrics

Simulation and Optimization of Micro-Cultivator Packing Line of HTBS ZHOU Kangqu, YANG Kun, YOU Siqi 2019, 22 (1):  79-84.  doi: 10.3969/j.issn.1007-7375.2019.01.010 Abstract ( 796 )   PDF (573KB) ( 5983 )   Save In view of the urgency of improving the productivity of the micro-cultivator in HTBS company, the position operation and process flow of the work-packing line of the micro-cultivator production line are analyzed. According to the data measured by the stopwatch timing method and in combination with the FlexSim simulation technology, the bottleneck of packaging line is analyzed. The Experience ranking method is used to reasonably sort the bottleneck work station and other work stations of the packaging line, in order to balance the load for each station, and build the optimized packing line by FlexSim simulation model to verify its effectiveness. After the optimization of micro-cultivator packaging line, the balance rate of production line increases from 66.67% to 90.77%, and the daily output increases from 354 to 436. The balance optimization effect is obvious. References | Related Articles | Metrics

An Experimental Study of the Rationality and Weakness of THERP-with an Example of the Truck Refrigerant Filling Process DENG Mingming, ZHU Guoqi 2019, 22 (1):  85-89.  doi: 10.3969/j.issn.1007-7375.2019.01.011 Abstract ( 878 )   PDF (523KB) ( 5793 )   Save To explore the rationality and weakness of technique of human error rate prediction (THERP), an E-prime experimental method was applied to analyze human error probability in the refrigerant filling process, by THERP with an example of the truck refrigerant filling process. It was found that the experiment results were basically in coincidence with the result of THERP, which illustrated the rationality of THERP. The weakness of THERP was that it neglected the cognitive process of the operation behavior while calculating human errors. References | Related Articles | Metrics

A Research on the Order Picking Optimization for Stacker's Composite Operation of Semi-tray out of the Automated Warehouse BAO Shanshan, ZHANG Min, YIN Jiankang, CAI Zhenyu 2019, 22 (1):  90-99.  doi: 10.3969/j.issn.1007-7375.2019.01.012 Abstract ( 936 )   PDF (843KB) ( 5819 )   Save Considering the situation that the stacking machine performing the operation in the automated warehouse, the optimization problem of the selection path of the stacking machine in the case of semi-tray out of the automated warehouse is put forward, and a model is built. Concerning the features of the problem, a discrete fireworks algorithm is used to solve the model. The algorithm uses explosion operators and mutation operators in the iterative optimization process to implement the algorithm's global search and local search. The algorithm applies the elite selection strategy and similar roulette strategy to improve the convergence effect. Taking the automated warehouse system of a tobacco logistics company as an example, the discrete fireworks algorithm is compared with other algorithms. The results of discrete fireworks algorithm is compared with those of other algorithms, and it is verified that the algorithm has a superior solution. References | Related Articles | Metrics

An Optimization of the Vehicle Routing Problem Based on Customer Satisfaction HU Zuoan, JIA Yezi, LI Bowei, LIU Lu 2019, 22 (1):  100-107.  doi: 10.3969/j.issn.1007-7375.2019.01.013 Abstract ( 2154 )   PDF (906KB) ( 5864 )   Save Seeing that customer satisfaction is not a concern in the traditional vehicle routing problem, customer satisfaction is measured by the customers' requirement of service time and goods integrity. The time satisfaction function based on the fuzzy time window and the cargo integrity satisfaction function based on the damage rate are constructed. Maximizing customer satisfaction and minimizing transportation cost are taken as objectives and the corresponding example is designed and solved by using LINGO software. The scanning method used by medium and small-sized logistics enterprises is contrasted to verify the validity of the model. The results show that the average customer satisfaction obtained by using LINGO software is 36.3% higher than the scanning method, so the customer satisfaction and transportation cost are balanced through the established model. The model has certain theoretical reference value for the optimization of distribution path in logistics enterprises. References | Related Articles | Metrics