电子商务环境下的物流配送中心选址模型的构建外文翻译

1、.中文 2415字The Construction of The location Model of Logistics DistributionCenter under the Electronic Commerce EnvironmentShu Wang, Xiao mei Zhang（ From： College of Economics and Management, Northeast Agricultural University, Harbin, 150030,China）Abstract : Although the logistics distribution center

2、under the E-Commerce Environment grows out of the development and maturity of the traditional logistics distribution center. However, the location selection of Logistics distribution center under the E-Commerce Environment makes a natural distinction with the Address-Select of the traditional logist

3、ics distribution center. Applying the common location model of logistics distribution center to the environment of E-Business does not work. Therefore, in this text, we analyze the feature of logistics distribution center under the E-Commerce Environment and primary factors which will affect the Loc

4、ation-Select, with regard to the problems exist in the common Address-Select methods of logistics distribution and the specificity of logistics distribution center Location-Select in the environment of E-Commerce Construct logistics distribution center Location-Select model which is suitable under t

5、he E-Commerce Environment Keywords: E-Commerce, logistics distribution, distribution center Location-Select1. INTRODUCTIONLogistics distribution center Location-Select under the E-Commerce Environment means making an optimization of crucial nodes in the logistics network system, such as the quantity

6、 ,location, size of storage, sell, distribution DCS network node and so on, to achieve the optimization on the efficiency of the whole logistics network system. Logistics distribution center plays a leader role in the logistics network system. It attaches the suppliers and the customers, impacts the

7、 cost of the every economic activity and simultaneously makes an impact on the running and development of the distribution center. The logistics distribution center Location-Select must get the certification of external conditions, receive the.prediction of internal business amount, and finish the a

8、ddress selection, as Figure1 displays. Logistics distribution center Location-Select is very important, and how to choose the logistics distribution center reasonably will be the key problem of the development of the logistics enterprise under the E-Commerce Environment2. THE FEATURE OF LOGISTICS DI

9、STRIBUTION CENTER UNDER THE E-COMMERCEENVIRONMENT AND PRIMARY FACTORS WHICH WILL AFFECT THE LOCATION-SELECT2.1The feature of logistics distribution center under the e-commerce environmentWith the development of the internet and modern information technology, E-Commerce gradually becomes the most com

10、petitive business mode in the 21st century. Its operating concept and mode is distinctly differentfrom traditional business model, so logistics distribution center is different from traditional model to some extent. The main differences display as Table 1.Table 1 The main differences between logisti

11、cs distribution center under the e-commerce environment and traditional modeThe feature of logistics distribution centerThe feature of traditional logisticsin the environment of E-Businessdistribution center1.Distribution region is broad1.distribution center only distribute theproducts to the fix pl

12、ace2.The quantity ,frequency, direction of distribution is unstable3.great quantity one time ,more number of times2.The quantity , frequency, direction of distribution is stable3.Great number of times, more quantity one timeFrom Table1, compared to the traditional distribution center, the developmen

13、t proposes the more strict demand: only faster distribution rate and better distributionquality can make us keep pace with the trends of E-business and improve thesatisfaction of users and the competitiveness capacity of the enterprise. It is veryimportant to choose the right distribution center.12.

14、2 The primary factors which will affect the location-select under e-commerce environment.To choose distribution center under E-commerce environment properly, we should consider the market, money, natural environment, economic environment, invest environment and other factors which are related toaffe

15、ct distribution. According to the conclusion based on a lot of research in this area, the factors which we must mainly consider when we select logistics distribution center are as follow:Table 2 The primary factors which should affect the location-select in the environment of e-businessThe primary f

16、actorsNatural environment factorsTerrain, geology, hydrology, weatherEconomic factorsTransport cost ,land cost, operate cost,product featureInvest environmentTransport condition, public facilities,operate environment, surroundingOther factorsTerritory use, environment protection,Qos policy3. THE PRO

17、BLEMS EXIST IN THE COMMON LOCATION-SELECT AND THE METHODS OFLOGISTICS DISTRIBUTION 3.1 Unary node location-selectionfocus method Unary node location-selection means only set one logistics facilities arrangement. The focus method regards the requirement point and the resources point as a logistics sy

18、stem which is located in the range of a plane, the requirement quantity and the resource quantity as the weight of the objects, object system focus as the best set point of logistics network node. It solves object system focus to fix the location of the logistics network node. Mathematical model is:

19、2nnxcwjj xjcjwjj 1j 1nnycwjj yjcj wjj 1j 13.2 The mixed integer planning method of the network node to be electedAiming at social economic benefit, Logistics network node arrangement considers the situations of materials demands, transport conditions, natural environment with a systemic method compr

20、ehensively, designand research on the amount, location, size, supply area of logistics network node, and establish a high efficiency logistics network system. The mathematical model of logistics network node arrangement is:mqq nmnqmMinFcik xikckjykjcij zijFkwk ck xiki 1 k 1k 1 j 1i 1 j 1k 1i 1Constr

21、aint equation is:qnxikzijai i=1,2,.,mk1j 1qmykjzijbjj=1,2,.,nk1i 1mnxikyijk=1,2,.,qi1j 1mxikM wk0 k=1,2,.,qi1xik , ykj , zij03.3 Multiple network node address-selections: CFLP methodCFLP(capacity facility location problem) method proposes to solve the situation of3the limit of the network node to be

22、 elected. This method fixes the market share and distribution area center with the transport planningmethod, and fixes the network location with integer planning method. Its mathematical model is:MinFckjykjFiwikjiConstraint equation is:ykjbjkj=1,2,nykjdkwkk=1,2,mjwkEkykj , wk03.4 The problems exist

23、in these three methodsAddress-selection methodThe problemsFocus method1. Ignore the fixed cost of buildinglogistics distribution center2. Ignore the cost between suppliers andlogistics distribution center. Onlythinking of the transported cost of thelogistics distribution center and consumer3.only on

24、e user allowedMixed integer planning1.Thinking of constructed fee andmanaged fee of logistics distributioncenter, but variable fee is the simple linedproblem ,not suit the e-business2. without any constrains to the num ofdistribution centerCFLP1.ignore the cost between suppliers andlogistics distrib

25、ution center2.ignore the variable cost44. THE CONSTRUCTION OF LOGISTICS DISTRIBUTIONCENTERLOCATION-SELECT MODEL UNDER THE E-COMMERCE ENVIRONMENTSuppose there are ” m” resource spots which supply services to distribution center,“ n”users which receive the service of the distribution center, ” p”candi

26、datedistribution centers. Among them, resource and num of the users are fixed, besides the users location. Then the commodity demand and flowing situation form the network structure of whole logistics network system .The model is as follow:mnm1m1mMinZc xfyih wkiu wkiij ijikiii 1 j 1i 1k 1 i 1k 1 i 1

27、Constraint equation is:mXijajj=1,2,n(1-2)i 11wkiiii=1,2,.m(1-3)b yk 1miyip (1-4)1nxij1wki i=1,2,.m(1-5)jk11mwkickk=1,2,l(1-6)i1tijTjkfk i=1,2, .m, j=1,2, .n, k=1,2, l(1-7)Xij0, wkj0 i=1,2, .mj=1,2, .n k=1,2, .l(1-8)yi为0-1 变量（ 1-9 ）5In the sub report, ij X is the transportation amount between distrib

28、ution center“ iand user“kij”w , is the transportation amount between factory“ k” and distributioncenter“ij C”is, the transportation price between distribution center“ i ” and user“ j ” ,ki h is the transportation price between factory“ k” centeranddistribution“”is,the commodity flow price of distrib

29、ution center i f is the fix fees for the operating ofdistributioncenter “ i ”ij , t is the transportation time between factory “ i ”anddistribution centerjk T“isj”the, transportation time between distribution center“ j ”user“ k”fis, the limitation of distribution time by user “ k”ja, is the demand o

30、f user“ j ”ib, is the capacity of the distribution center “ i ”k ,c is the supply amount of factory “ k” , m is the num of candidate distribution center, n is the num of users, p isthe largest num of distribution center which can be chose, l is the num of factory.Constraints condition (1 2) shows th

31、at the distribution center can meet the usersneed, Constraints condition (13) shows that the purchase should be less than thecapacity of the distribution center “ i ”,Constraints condition (14) shows that thenum of distribution center we choose should be less thanConstraints“conditionp”,(1 5) shows

32、that the purchase of the distribution center equal to the sell , Constraintscondition (16) shows that the commodity factory send to the distributioncentershould be in the product ability, Constraints condition(17) shows that thetransportation time summation from factory to distributioncenter andfrom

33、distribution center to factory should be no more than the timelimitationof thedistribution by the users.5. CONCLUSIONUnder the E-Commerce environment, choosing the reasonable distribution centerlocation is prerequisite of constructing high efficient Distribution system, reducing the cost of distribu

34、tion, improving the rate of delivering goods and ensuring the quality of service. This text does not only analyze the features and the Influencing factors of the logistics distribution center location-selection under E-commerce environment, but also make more analysis on the traditional location-sel

35、ection model of logistics distribution center, point out the existing problems in it, amend the model appropriately according to the actual situation, and thereby construct the distribution model adjusting to the development of E-commerce to adapt the reality of6E-commerce, and relieve the bottlenec

36、k of logistics.7电子商务环境下的物流配送中心选址模型的构建摘要：尽管物流配送中心在电子商务环境下得到增长，传统的物流配送中心也发展和成熟。然而，在电子商务环境下物流配送中心的选址与传统的物流配送中心的地址选择有着本质的区别。应用物流配送中心在电子商务环境的共同位置模式是行不通的。因此，在这段文字中，我们分析一下电子商务环境会影响位置选择的主要因素的物流配送中心的功能方面的问题，存在着共同的地址选择的方法，物流配送和特异性选择在电子商务环境下建设物流配送中心的位置选择的模式，适合电子商务环境下物流配送中心的位置。关键词：电子商贸，物流配送，配送中心位置的选择1 引言电子商务环境下

37、的物流配送中心位置的选择意味着制作优化的关键节点在物流网络系统，如数量、位置、大小的存储，卖出，分布区议会网络节点，等等，实现全程物流效率优化的网络系统。物流配送中心扮演着物流网络系统的领导角色，它重视供应商和客户，影响到每一项经济活动的成本，同时影响着配送中心的运行和发展。物流配送中心位置的选择必须得到外部条件的认证，接收内部业务预测的款额，并完成地址选择。物流配送中心位置的选择和如何选择物流配送中心是非常重要的，电子商务环境下物流企业如何合理地的发展将是关键问题。2. 在电子商务环境下物流配送中心的功能环境，这是影响位置选择的主要因素 2.1 电子商务环境下物流配送中心的功能在 21 世纪

38、，随着互联网和现代信息技术的发展，电子商务逐渐成为最具竞争力的商业模式，与传统的商业模式经营的概念和模式明显不同，所以物流配送中心在一些方面不同于传统模式的。表 1 显示的主要区别。8表 1 电子商务环境下的物流配送中心环境与传统模式的主要区别电子商务环境下的物流配送中心的功传统的物流配送中心的功能能1.分布区域很广1.配送中心只在修补程序的地方分配产品，2.数量、 频率、分布方向不稳定2.数量、 频率、 分布方向稳定3.单次数量大，次数更多3次数很多，单次数量更大从表 1 来看，相比于传统的配送中心，对电子商务环境下的物流配送中心发展提出更严格要求：只有更快的配送速度和更好地配送质量才可以让

39、我们跟上电子商务的发展趋势和提高企业的竞争能力同时做到让用户满意。选择最合适的集散地是非常必要的。2.2 影响电子商务环境下的位置选择的主要因素若要正确选择电子商务环境下的配送中心，我们应考虑市场，资金，自然环境、经济环境、投资环境和有关的其他因素。基于很多这方面的因素，选择物流配送中心时我们必须考虑的研究结论主要包括如下：表 2 电子商务环境中的位置选择的主要影响因素主要因素自然环境因素地形、 地质、水文、 气象经济因素运输成本、 土地成本、 经营成本、 产品功能投资环境运输条件、公共设施、操作环境，周围环境其他因素境内使用，环境保护， Qos 策略3.物流配送方法和位置选择常见的问题3.1

40、 一元节点的位置选择一元节点的位置选择是指只设置一个物流设施的焦点方法。把焦点方法方面的需求点和资源点作为一个物流系统，将品种平面、需求数量和资源量为对象，分量物流网络节点的对象系统焦点的最佳设置点。它重点解决了对象系统9物流的位置网络节点。数学模型是：nnxcwjj xjcjwjj 1j 1nnycwjj yjcj wjj 1j 13.2 混合的整数规划将选出网络节点的方法针对社会经济效益安排物流网络节点认为的情况在材料需求的运输条件下，以一种系统性的方法与全面自然环境、设计研究的数量、位置、大小、供水区的物流网络节点建立高效率物流网络系统。安排物流网络节点的数学模型是：mqq nmnqmM

41、inFcikxikckjykjcijzijFkwk ckxiki 1 k 1k 1 j 1i 1 j 1k 1i 1qnxikzijaii=1,2,.,mk 1j1qmykjzijbjj=1,2,.,nk 1i1mnxikyijk=1,2,.,qi 1j1mxikM wk0k=1,2,.,qi 1xik , ykj , zij03.3 多个网络节点地址选择：物流采购联合会方法物流与采购联合会（容量设施选址问题）的方法建议，以解决当选的节点10网络限制的情况。此方法用于修复市场份额和分布区中心的交通规划，并修复了整数规划方法的网络位置。其数学模型是：MinFckj ykjFiwikjiConstraint equation is:ykjbjj=1,2,nkykjdkwkk=1,2,mjwkEkykj , wk03.4 这三个方法中存在的