中国科学院数学与系统科学研究院期刊网

Systems Engineering - Theory & Practice 1997 Vol.17

Please wait a minute...
For Selected: Toggle Thumbnails
Study of Searching an Absolute Center and an Absolute Median by Using Distance Matrix
Chen Bocheng
Systems Engineering - Theory & Practice    1997, 17 (1): 2-8.   DOI: 10.12011/1000-6788(1997)1-2
Abstract1098)      PDF(pc) (782KB)(1408)       Save
A method is given, in the paper, to search a network's absolute center (p=1) by using the least distance matrix and its optimum path matrix, comparing with the Hakimi's method, this one is direct perception, simple, easy using. A discussion is also given to search absolute median(p=1) by using above two matrixes.
Related Articles | Metrics
A Study on Executive Information Systems (EIS) and Its Development Strategies
Chen Xueguang;Zhu Mingfu;FeiQi
Systems Engineering - Theory & Practice    1997, 17 (1): 9-14.   DOI: 10.12011/1000-6788(1997)1-9
Abstract1089)      PDF(pc) (247KB)(1260)       Save
Based on analyzing the leading reasons for lacking of direct using CIS by the executives in organizations, this paper points out that developing EIS is the best way to change this situation. The development strategies of EIS is also studied. Some useful proposals are given to those who will participate in the feasibility study, design, implementation and operations of EIS.
Related Articles | Metrics
A New Knowledge Representing Approach to Strategic Decision Making Expert Systems
Tu Chengyu;Tu Chengyuan;Zhao Yi;He Jia
Systems Engineering - Theory & Practice    1997, 17 (1): 15-23.   DOI: 10.12011/1000-6788(1997)1-15
Abstract1018)      PDF(pc) (361KB)(565)       Save
Decomposition-Synthesis approach to knowledge-representation, a kind of new knowledge representation to strategic decision-making systems which is provided by the authors, is introduced in this paper, combining with the applications of DS approach. The advantages of this approach are also discussed.
Related Articles | Metrics
Knowledge based Integrated Manufacturing Flexibe Simulation System
Dong Ming;Cha Jianzhong
Systems Engineering - Theory & Practice    1997, 17 (1): 24-30.   DOI: 10.12011/1000-6788(1997)1-24
Abstract1028)      PDF(pc) (304KB)(621)       Save
In this paper, simulation model knowledge base of CIM is constitued of five parts: FBS model of CIM OSA system architecture, entity class library, procedural knowledge base, database and inference engine.This knowledge based simulation model is represented by object oriented frame language and its behaviour is generated by inference engine reasoning the procedural rule sets.
Related Articles | Metrics
The Event Driven Method for VIS System Analysis, Design and Development
Lin Jian
Systems Engineering - Theory & Practice    1997, 17 (1): 31-36.   DOI: 10.12011/1000-6788(1997)1-31
Abstract925)      PDF(pc) (332KB)(555)       Save
Visual interactive simulation(VIS) systems are one of the most effective means making system simulation technique directly accessible to non specialists. Fully utilising the nature and features of that kind of system, this paper advances a new method for the system analysis, design, and development of the system-the event driven method, covering the features and types of events, the ways of receiving events, routing of events, handling of events, and comparing the method with others.
Related Articles | Metrics
A New Forecasting Method for Stochastic Time Series
He Yong;Bao Yidan;Wu Jiangming
Systems Engineering - Theory & Practice    1997, 17 (1): 37-44.   DOI: 10.12011/1000-6788(1997)1-37
Abstract1244)      PDF(pc) (806KB)(874)       Save
This paper presents a new mathematical model for forecasting stochastic time series, which combines the linear regression or nonlinear regression with Markov probability forecasting.It has the merits of both simplicity of application and high forecasting precision. In particular, the forecast values of the model are more precise than those of other models such as index smoothing method and grey dynamic model,for data sequences with heavy random fluctuation. The case study of the cotton production in cixi city, Zhejiang province show that the forecasting precision of the model is satisfactory.
Related Articles | Metrics
A New Criterion for the Stability of Discrete Time System and Its Application
Zhi Xizhe etc.
Systems Engineering - Theory & Practice    1997, 17 (1): 45-48.   DOI: 10.12011/1000-6788(1997)1-45
Abstract1042)      PDF(pc) (250KB)(973)       Save
This paper presents a new simple criterion for determining the stability of discrete time systems.As a concrete instance, using this criterion, the stability of torpedo motion under the control of a depth control system in the longitudinal plane is analyzed and disccussed.
Related Articles | Metrics
Study on the Models System of Chinese Economic Hierarchical Optimization Development
Guo Ju'e
Systems Engineering - Theory & Practice    1997, 17 (1): 49-56.   DOI: 10.12011/1000-6788(1997)1-49
Abstract854)      PDF(pc) (291KB)(602)       Save
On the basis of regional input occupancy output in value and physical units and interregional input occupancy output table of single sector, the paper puts forward a models system of Chinese economic hierarchical optimazation development model, composed of economic optimization
Related Articles | Metrics
Research on Grey Factors Input Output Theory and Model
Xue Xinwei;Wang Dong
Systems Engineering - Theory & Practice    1997, 17 (1): 57-62.   DOI: 10.12011/1000-6788(1997)1-57
Abstract1016)      PDF(pc) (300KB)(789)       Save
In this paper, we expound the existence of grey factors influence beyond man control system, present grey factors input output theory and model involving grey factors. Also, we inquire the rules of accepting or rejecting of grey factors and quantitative model of grey factors influence.
Related Articles | Metrics
The Forecast of Price Index of China in 1995
Yan Taihua;Ran Maosheng
Systems Engineering - Theory & Practice    1997, 17 (1): 63-69.   DOI: 10.12011/1000-6788(1997)1-63
Abstract1132)      PDF(pc) (1331KB)(586)       Save
The essay analysis first cause of formation of price big increasing of china in 1994,and forecast price situation in 1995 according to diversity and complex of price increasing cause and Box-Jenkins model,through examing forecasting result is qualified and through comparing with practice is identical.Lastly,puts forward several views of controling price increas in 1995.
Related Articles | Metrics
A Neural Network Approach to Optimum Locating of Multiple Stations in Oil Field
Huang Guangqiu
Systems Engineering - Theory & Practice    1997, 17 (1): 70-75.   DOI: 10.12011/1000-6788(1997)1-70
Abstract796)      PDF(pc) (330KB)(579)       Save
This paper establishes the mathematical model of optimum locating of multiple stations in oil field, puts forward a neural network method to solve this model and carries out imitating calculations with computer.
Related Articles | Metrics
Multi Purpose and Muliti Model of Joint Reservoir Operation as Well as Decomposition and Coordination Algorithm
Huang Qiang;Shen Jin
Systems Engineering - Theory & Practice    1997, 17 (1): 76-83.   DOI: 10.12011/1000-6788(1997)1-76
Abstract1051)      PDF(pc) (538KB)(944)       Save
According to the joint reservoir operation for the Yellow Main Stream, the paper chooses the multi purpose, and establishes the multi model, with the decomposition and coordination algorithm of large scale system to solve.Then combinatoral problems of purposes and models, and the calculating method are presented to meet the needs of real reservoir operation. The research shows that it will be guadding significant and consulting valuble to the problem of joint reservoir operation in complex and large scale system for river.
Related Articles | Metrics
The Determination of Random fuzzy Reliability in Working face Production System
Song Hualing;Sun Baozheng;Song Zhi
Systems Engineering - Theory & Practice    1997, 17 (1): 84-91.   DOI: 10.12011/1000-6788(1997)1-84
Abstract900)      PDF(pc) (3456KB)(643)       Save
This article applys the system project theory of human machine environment, random fuzzy machematics, and reliability theory, combines the fault of human with natural system and machine system together, and solves the reliability of working face system syntheticly.
Related Articles | Metrics
A Civil river Shipment Seaway Ship Assignment Model and Its Algorithm
Wei Xiangyun;Wang Lichun
Systems Engineering - Theory & Practice    1997, 17 (1): 92-96.   DOI: 10.12011/1000-6788(1997)1-92
Abstract1079)      PDF(pc) (162KB)(701)       Save
This paper presents a civil river shipment seaway ship assignment model including barges and motor freighters.On the basis of basic ship assignment model algorithm and direct search optimization method of integer nonlinear programming, a two grades interation algorithm for solving this model is established.
Related Articles | Metrics
A Sum Total Application of System Cluster Analysis and Product ABC Analysis in District Economy Analysis
Ding Jianli
Systems Engineering - Theory & Practice    1997, 17 (1): 97-100.   DOI: 10.12011/1000-6788(1997)1-97
Abstract984)      PDF(pc) (2825KB)(824)       Save
System cluster analysis and product ABC analysis are resonable combined in this article, 1983 kinds of product output 1993'annual of 16 cities Anhui provine as an example, through vertical and horizontal date analysis, we have definite recognization lay out of all kinds of industry product structure and the main proprey speciality of every city in the whole AnHui provine, exploit the way of thinking of district exconomy analysis.
Related Articles | Metrics
Analysis and Judgment to the Increase Quality of Economic System
Gong Peishan;Yan Shikun
Systems Engineering - Theory & Practice    1997, 17 (1): 101-104.   DOI: 10.12011/1000-6788(1997)1-101
Abstract894)      PDF(pc) (2038KB)(641)       Save
Based on a subtle study on the internal mechanism of economic systems, this paper brings to light its mechanical properties.Economic variables are properly chosen, a mathematical model delineating the relations between extension or intension based expanded reproduction and productive benefits of economic system is developed, and furthermore, the index system to be used in increasing quality analysis and evaluation is investigated.
Related Articles | Metrics
The Development of Urban Traffic Information System
Cao Guifa;Fu Qiaomei;Fu Suxing;Zhang Chonghou
Systems Engineering - Theory & Practice    1997, 17 (1): 105-110.   DOI: 10.12011/1000-6788(1997)1-105
Abstract957)      PDF(pc) (1677KB)(1335)       Save
In this paper, the design goals, development ways,system structure,system functions, geographic codes and data base of the Urban Traffic Information System (UTIS) were presented. Furthermore, the development and the application tests of the traffic situation model, the traffic management model,the traffic plan model and the background information inquirement model of UTIS were discussed.
Related Articles | Metrics
Critical Markup Rate of Price Proper System Stability
Wang Huanchen
Systems Engineering - Theory & Practice    1997, 17 (10): 2-4.   DOI: 10.12011/1000-6788(1997)10-2
Abstract907)      PDF(pc) (173KB)(594)       Save
In this paper, the critical Markup rate of the Price Proper System Stability is studied, and its quantitative expression is given. The transformation formula of critical markup rate and critical gross profit rate is given, and their equivalency for the stability study is illustrated.
Related Articles | Metrics
Study of Construction Claim Decision Support System
Cheng Hu;Xu Pei
Systems Engineering - Theory & Practice    1997, 17 (10): 5-9.   DOI: 10.12011/1000-6788(1997)10-5
Abstract1028)      PDF(pc) (430KB)(888)       Save
Construction claim, which is characterized by experience, is important and difficult.The paper presents a decision support system including four parts to claimants.The system designs a structured procedure for claim by which claimants deal with construction claim.The system builds a great case base where there are a lot of structured cases of which claimants can conveniently make use. The system constructs a model base where there are many kinds of calculation models and forms.The system establishes a data base from which claimants could draw information into which data in other subsystems are converted.
Related Articles | Metrics
A Spatial Dynamic Modelling of Complex Economic Systems
Tan Yuejin;Tan Yuexiong
Systems Engineering - Theory & Practice    1997, 17 (10): 10-14.   DOI: 10.12011/1000-6788(1997)10-10
Abstract935)      PDF(pc) (446KB)(622)       Save
This article suggests a spatial dynamic economic systems modelling framework based on the market economic system,which addresses complex regional and sectorial linkages in economic activities.The feedback and self organization of the model are built with the notions of attractivity (demand attractivity, migration attractivity and investment attractivity), which allow us to explore spatial dynamic behaviors of structure change.Finally, the model is calibrated with 1980-1990 data for some country and then simulated to explore how the economic structure dynamics of the country might evolve to the year 1995 and 2000.
Related Articles | Metrics
A Market Equilibrium Model for Differentiated Multi product with Stochastic Choice
Zhang Ning;Lu Xingpu
Systems Engineering - Theory & Practice    1997, 17 (10): 15-18.   DOI: 10.12011/1000-6788(1997)10-15
Abstract986)      PDF(pc) (388KB)(603)       Save
A market equilibrium model is proposed for differentiated multi product with stochastic choice, in which, multinomial logit is used as the probabilities of the stachastic choice and the supply of differentiated products is subjected to the total demand function of all products.A modified method of successive average is proposed and an illustrative example is employed in this paper.
Related Articles | Metrics
Methods of Evaluation & Decision for Re Use of Firms Assets
Yang Zhongzhi;Zhang Shiying;Li Guangquan
Systems Engineering - Theory & Practice    1997, 17 (10): 19-25.   DOI: 10.12011/1000-6788(1997)10-19
Abstract909)      PDF(pc) (271KB)(552)       Save
This paper studies methods of evaluation and decision for continuous use, possession transfer, replacement, technological innovation and graft, merger and joint operation of firms assets in order that the basis of scientific decision for efficient use, optimal allocation and reconstruction of firms assets is provided.
Related Articles | Metrics
A Group Evaluation Rule’s Rational Analysis
Zhao Yong;Wu Xianglin;Yue Chaoyuan;Xu Xiaodong
Systems Engineering - Theory & Practice    1997, 17 (10): 26-30.   DOI: 10.12011/1000-6788(1997)10-26
Abstract869)      PDF(pc) (232KB)(657)       Save
This paper discusses Arrow Conditions’ modification under the cardinal utility (giving a mark).Then, the Arrow Conclusion under this utility is analysed in the view of a special and usual mark aggregation rule.The rule’s some features and properties (manipulation) are pointed out. Finally, data preprocessing’s necessities is discussed and some conclusions are gained which have direct meaning to an actual evaluation.
Related Articles | Metrics
Abstraction of Concept and Refinement of Knowledge Base
Li Feng;Qian Qingquan
Systems Engineering - Theory & Practice    1997, 17 (10): 31-34.   DOI: 10.12011/1000-6788(1997)10-31
Abstract955)      PDF(pc) (204KB)(566)       Save
the abstraction of concept, superfluous rule and mini knowledge base are discussed in the paper.The algorithm on refinement of knowledge base is presented in the end of the paper.
Related Articles | Metrics
The Method of Technical Evaluation on Highway Construction Projects
Li Xuhong;Lin Xiaozhi;Lu Jian
Systems Engineering - Theory & Practice    1997, 17 (10): 35-39.   DOI: 10.12011/1000-6788(1997)10-35
Abstract861)      PDF(pc) (194KB)(641)       Save
Proceeding from the whole highway network and considering each project’s influence on the highway structure and transport quality, this paper established a construction project technical evaluation index system. Based on the speciality of highway construction projects, using the principles of system engineering, this paper suggests the Double Point evaluation method for the comprehensive technical evaluation of the highway construction projects.Using this method, we can distinguish the different technical effects of the construction projects.
Related Articles | Metrics
A Method Evaluating Overall Level of Production for Electric Furnace Process of Steelmaking
Li Lei
Systems Engineering - Theory & Practice    1997, 17 (10): 40-43.   DOI: 10.12011/1000-6788(1997)10-40
Abstract1012)      PDF(pc) (167KB)(612)       Save
Based upon main indexes of Chinese key enterprises for electric furnace process of steelmaking, with primary component analysis and multiobjective fuzzy comprehensive evaluation method, electric furnace overall level of production of 16 key enterprises have been evaluated.
Related Articles | Metrics
Geography Information System Based Group Decision Support System
Ren Jianwu;Sun Yamei;Fu Suxing
Systems Engineering - Theory & Practice    1997, 17 (10): 44-48.   DOI: 10.12011/1000-6788(1997)10-44
Abstract1071)      PDF(pc) (731KB)(570)       Save
At present, decision support system designed for single user sometimes can lead to undesired result due to user’s subjectivity during the decision process.How to make good use of group intelligence and project group decision surpport system are the main problems in the GIS of today. The thesis mainly focus on the design of the explanation of functions and something related to GDSS in the territory of GIS.What influence GDSS has upon GIS is aslo discussed and introduced in this paper.
Related Articles | Metrics
Studies on the Determination of Marginal Profit Rate in Rational Application of Fertilizer
Zhang Yufeng;Bai Zhiming;Zhou Naijian
Systems Engineering - Theory & Practice    1997, 17 (10): 50-53.   DOI: 10.12011/1000-6788(1997)10-50
Abstract1104)      PDF(pc) (211KB)(677)       Save
The paper establishes several mathematical models for the application of fertilizer, the investment profit, the determination of marginal profit rate in rational application of fertilizer,and works out analog computer programme based on the mathematical models, and then applies the models to practice.The results indicate that the models are effective. So this paper provides a new method for the decision of rational application of fertilizer.
Related Articles | Metrics
A Multiobjective Assessment Model for Information Systems Concerning the Influence of Target Balance and Expert Number
Zhang Jianping
Systems Engineering - Theory & Practice    1997, 17 (10): 54-60.   DOI: 10.12011/1000-6788(1997)10-54
Abstract898)      PDF(pc) (583KB)(646)       Save
A multiobjective assessment model for information system is proposed in this paper.This model can fit in with the case that has different number of evaluation expert for every evaluated object or target. By means of Gini coefficient idea, the coordinated and balance degree of evaluated targets are showed when evaluate.Because quantitative, qualitative, cost and benefit target’s type are contained, our model can be widely used.Finally, through a real assessment example, we verify that the model is effective.
Related Articles | Metrics
A New Identification Model and Its Application
Xia Xuewen
Systems Engineering - Theory & Practice    1997, 17 (10): 61-64.   DOI: 10.12011/1000-6788(1997)10-61
Abstract906)      PDF(pc) (163KB)(824)       Save
In this paper, we analyse the modeling method of matter indentification model, the administration of the ventilation and dust controlling in a mine is evaluated.It shows that the method in this paper is a convenient and practical evaluating method, and matter identification model is a good model for appication.
Related Articles | Metrics
A Method to Make a Decision Making Unit DEA Effective and to Find Out the Optimal Value of C 2R or C 2GS 2 Model by the Additive Model
Wu Wenjiang
Systems Engineering - Theory & Practice    1997, 17 (10): 65-69.   DOI: 10.12011/1000-6788(1997)10-65
Abstract1189)      PDF(pc) (287KB)(707)       Save
On the basis of additive model in DEA, this paper gives a method to find out the optimal value of C 2R of C 2GS 2 model and to make a decision making unit (DMU) DEA effective (C 2R of C 2GS 2) by changing its inputs or outputs with all DMU DEA efficient remaining their efficiency.
Related Articles | Metrics
The Management Life Cycle of OO Object and Its Application to MIS Object Analysis
Tao Hongcai;Pan Qijing
Systems Engineering - Theory & Practice    1997, 17 (10): 70-72.   DOI: 10.12011/1000-6788(1997)10-70
Abstract1046)      PDF(pc) (169KB)(569)       Save
By analysing the management essence of the objective world,this paper puts forward a new idea that OO object has the management life cycle(MLC) in management application field, analyses its characteristics, and discusses its thread、 method and steps with MIS object analysis as a main clue。
Related Articles | Metrics
Humachine Based Business MIS
Yang Canjun;Chen Ying;Lu Yongxiang
Systems Engineering - Theory & Practice    1997, 17 (10): 73-78.   DOI: 10.12011/1000-6788(1997)10-73
Abstract949)      PDF(pc) (258KB)(696)       Save
A Humachine based business MIS has been developed, The system’s structure, function and the application example have been introduced in this paper.
Related Articles | Metrics
The Multiyear Development Model of Ecological Economic Planning in Agricultural Systems
Fan Wentao Li Hong
Systems Engineering - Theory & Practice    1997, 17 (10): 79-84.   DOI: 10.12011/1000-6788(1997)10-79
Abstract835)      PDF(pc) (224KB)(522)       Save
Based on reference , the rolling development problem for multiyear is discussed under the condition of limited input, and then correspondent economic programming, ecological economic programming models are formulated. These models can be used efficiently in making development planning of every year during the period of development.
Related Articles | Metrics
A Computer Simulation Research for the Reserve Capacity Distribution Mode of the Redundancy among Train Path Groups
Zhang Xingchen;Yang Hao;Hu Anzhou
Systems Engineering - Theory & Practice    1997, 17 (10): 85-91.   DOI: 10.12011/1000-6788(1997)10-85
Abstract1029)      PDF(pc) (283KB)(585)       Save
This paper performes a multi program computer simulation research on the train operating effect of a drawing model of the operating program based on the reserve capacity distribution mode of the redundance among train path groups (or stage groups). It obtains a series of applied conclusions which replenish the theory of drawing train diagram.
Related Articles | Metrics
Forecast of Increased Output of Oil and Design of Best Production Plan of Fracture Wells of the Oil Field
Qi Liangqun;Zhu Yingshan
Systems Engineering - Theory & Practice    1997, 17 (10): 92-95.   DOI: 10.12011/1000-6788(1997)10-92
Abstract1077)      PDF(pc) (590KB)(828)       Save
On the observed data of output of oil of fracture wells of the oil field, with the method of dynamic data processing, the forecast model of increased output of oil per month can be constructed.According to the result of the forecast, with the method of integer programming,the production plan of fracture wells can be designed.
Related Articles | Metrics
A Procedure Model and Its Application in Management
Liu Shengfu
Systems Engineering - Theory & Practice    1997, 17 (10): 96-99.   DOI: 10.12011/1000-6788(1997)10-96
Abstract849)      PDF(pc) (164KB)(601)       Save
Using system theory, a kind of second order production procedure model, which is widespread in industry, is constructed. Based on the system stability analyses, using pole assignment method, the productive management stratagem is searched to improve the stability of production system.
Related Articles | Metrics
Systems Engineering - Theory & Practice    1997, 17 (11): 1-6.   DOI: 10.12011/1000-6788(1997)11-1
Abstract702)      PDF(pc) (669KB)(892)       Save
Related Articles | Metrics
Systems Engineering - Theory & Practice    1997, 17 (11): 7-12.   DOI: 10.12011/1000-6788(1997)11-7
Abstract743)      PDF(pc) (301KB)(562)       Save
Related Articles | Metrics
Systems Engineering - Theory & Practice    1997, 17 (11): 13-17.   DOI: 10.12011/1000-6788(1997)11-13
Abstract745)      PDF(pc) (214KB)(706)       Save
Related Articles | Metrics