SCOPING OF PILOT TESTING OF ENTERPRISE RESOURCE PLANNING

V. V. Zimin, I. Burkova, V. V. Mit’kov, A. Zimin
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引用次数: 1

Abstract

 Planning of pilot testing is among important problems of creation of Enterprise resource planning. Pilot (experimental) projects are  intended for testing of the main functions of the created system by  limited number of “advanced” users. A key task when planning pilot testing is determination of its volume. If the volume of the pilot  project is small, then essentially important functions of system can be  not checked, and the probability of detection of essential mistakes at  full introduction will be high. If the volume is big, then amount of  works on implementation of the pilot project considerably increases, and there will be no necessary speed and flexibility of testing of the  main functions, because of which pilot testing is organized, and its  efficiency will be close to efficiency of full introduction. The article describes mathematical problem definition of pilot testing scoping which  relies on results of the solution of formation problems of a portfolio  of IT services and creation scheduling of Enterprise resource planning  of the large metallurgical company. The solutions for the considered  task are sets of the services and communications which are subject to  check between them satisfying to the set restriction for volume of the  resources allocated for testing realization, and delivering an optimum  to the set criterion. The procedure of the task solution is based on network programming method which relies on structural and similar network representation of criterion and restrictions. The procedure and an  example of the solution of the studied task in which separate estimated  tasks are solved by method of dichotomizing programming are shown.  The received approximate solutions of an objective can be improved by means of the solution of a dual problem of network programming.  For the purpose of finding of initial task global optimum, the method of  branches and borders can be used in which the criterions of function of  the found approximate solutions are applied as border values. The considered task can be generalized for preferences of the consumers of IT  service concerning need of check of services various communications.  These preferences can be considered by introduction of “scales” of the  corresponding communications. The general scheme of the solution of  a task at the same time doesn’t change.
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企业资源规划试点测试范围
试点测试的规划是企业资源规划创建的重要问题之一,试点(实验)项目旨在由有限数量的“高级”用户对创建的系统的主要功能进行测试,规划试点测试时的关键任务是确定其数量。如果试点项目的规模很小,那么系统本质上重要的功能就无法检查,在全面引入时发现本质错误的概率就会很高。如果体量较大,那么实施试点项目的工作量就会大大增加,主要功能的测试就没有必要的速度和灵活性,因此组织试点测试,其效率将接近于全面引入的效率。本文描述了基于IT服务组合形成问题的解决结果和大型冶金公司企业资源规划的创建调度的试点测试范围的数学问题定义。所考虑的任务的解决方案是服务和通信的集合,这些服务和通信需要在它们之间进行检查,以满足为测试实现分配的资源量的设置限制,并对设置的标准进行优化。任务解决的过程基于网络规划方法,该方法依赖于标准和限制的结构和相似的网络表示。给出了用二分类规划方法求解独立估计任务的过程和实例。利用网络规划的对偶问题的解,可以改进已得到的目标的近似解。为了求初始任务全局最优,可以采用分支边界法,将求出的近似解的函数判据作为边界值。所考虑的任务可以概括为IT服务消费者关于检查服务各种通信需求的首选项。这些偏好可以通过引入相应通信的“尺度”来考虑。同时,解决一个任务的一般方案不会改变。
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来源期刊
Izvestiya Vysshikh Uchebnykh Zavedenij. Chernaya Metallurgiya
Izvestiya Vysshikh Uchebnykh Zavedenij. Chernaya Metallurgiya Materials Science-Materials Science (miscellaneous)
CiteScore
0.90
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0.00%
发文量
81
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