中国科学院数学与系统科学研究院期刊网

Systems Engineering - Theory & Practice 2000 Vol.20

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Research on the Methodology of Development of DSS Based on Object Oriented Model
Jiang DU;Yu Fang SUN
Systems Engineering - Theory & Practice    2000, 20 (1): 1-6.   DOI: 10.12011/1000-6788(2000)1-1
Abstract1269)      PDF(pc) (161KB)(977)       Save
According to the study of model structure, a reusable system structure of DSS is given based on the model object base and its dynamic management systems by means of the object oriented techniques. Then we introduce the way to realize and the work flow of it. Finally, the application of the architecture is introduced.
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The Connectionist Perspective on the Structure of DSS
Da Gang TIAN;Qi FEI
Systems Engineering - Theory & Practice    2000, 20 (1): 7-18.   DOI: 10.12011/1000-6788(2000)1-7
Abstract1264)      PDF(pc) (229KB)(943)       Save
After investigating the application of connectionist method, especially, ANN to various aspects of DSS, we put forward the connectionist perspective of the structure of DSS. With this perspective, the structure of DSS can be simplified and the function of DSS can be perfected as well.
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The Relation Expression and Management of IDSS Model and Knowledge:PartⅠ
Pei Ji SHAO;Jun YANG;Xiao Wo TANG
Systems Engineering - Theory & Practice    2000, 20 (1): 19-24.   DOI: 10.12011/1000-6788(2000)1-19
Abstract1265)      PDF(pc) (185KB)(739)       Save
This paper, divided into two parts, studies the relation expression and management of IDSS model and knowledge. Part one studies the relation expression of model and establishes the relation expression and management of IDSS model. The model is expressed with three level modes, the description part, the input and output part, and the model body part. This method would be convenient for users of IDSS, and would create certain conditions for problem solving of IDSS.
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Hybrid Adaptive Fuzzy Control of Nonlinear Continuous-time Systems
Xue Jun XIE;Da Lei ZHANG
Systems Engineering - Theory & Practice    2000, 20 (1): 25-29.   DOI: 10.12011/1000-6788(2000)1-25
Abstract1210)      PDF(pc) (177KB)(674)       Save
For a class of nonlinear continuous time systems, we propose design method of an adaptive fuzzy controller which can use both fuzzy control knowledge and fuzzy plant knowledge at the same time. We show that the adaptive fuzzy controller has good performance from theory and simulation example.
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Study of Process Reengineering Oriented Business Strategy Simulation System
Di Fang WAN;Yun Li QU;Ying Luo WANG
Systems Engineering - Theory & Practice    2000, 20 (1): 30-35.   DOI: 10.12011/1000-6788(2000)1-30
Abstract1355)      PDF(pc) (153KB)(923)       Save
This paper, using artificial neural network and dynamic game, designs a process oriented business strategy simulation system to either provide a non cost experimental instrument for the formation and implementation of strategies or test theoretical researches and to remedy the limitation of empirical researches on reengineering, which is applied to the practice of a company.
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Optimum Price Adjustment Policy for Relative Products
Zhi Jiang WANG
Systems Engineering - Theory & Practice    2000, 20 (1): 36-40.   DOI: 10.12011/1000-6788(2000)1-36
Abstract1167)      PDF(pc) (227KB)(1231)       Save
According to the goals of maximization for selling revenue and profit, this paper, using the concept of price elasticity and cross elasticity of demand, sets up mathematical models for the price adjustment of relative products. A concrete example is studied and calculated with models set up in this paper.
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Analysis of the $M^x$/G(M/G)/1 Repairable Queueing System with Single Delay Vacation (Ⅰ) ——Some Queueing Indices
Ying Hui TANG;Xiao Wo TANG;Wei ZHAO
Systems Engineering - Theory & Practice    2000, 20 (1): 41-50.   DOI: 10.12011/1000-6788(2000)1-41
Abstract1275)      PDF(pc) (216KB)(792)       Save
In this paper we consider a kind of $M^x$/G(M/G)/1 repairable queueing system with single delay vacation in which the vacation time, service time, repairing time and the delay vacation time are all arbitrary distributions.By using a concise method, we obtain the transient solution, stationary solution and stochastic decomposition of the queue length. Simultaneously we also give out the stochastic decompositions of the queue lengths in some special cases.
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A Fuzzy Satisfactory Approach to Multiperson Hierarchical Resource Allocation Problem
Xin Wang LIU;Qing Li DA
Systems Engineering - Theory & Practice    2000, 20 (1): 51-56.   DOI: 10.12011/1000-6788(2000)1-51
Abstract1495)      PDF(pc) (175KB)(858)       Save
In this paper, considering the conflicts and decision power distribution among decision makers(DMs), an approach of two phase compromise on DMs' fuzzy satisfactory function is proposed to solve the multiperson hierarchical resource allocation problem. The compromise among the lower level DMs and between the levels are reached by means of the non conflict functions constituted by the shadow prices of resources and the decision power distribution, respectively. An example shows the feasibility and effectiv...
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Qualitative Analysis of Discrete time Recurrent Neural Networks
Yi SHEN;Tie Gang FAN;Xiao Xin LIAO
Systems Engineering - Theory & Practice    2000, 20 (1): 57-61.   DOI: 10.12011/1000-6788(2000)1-57
Abstract1243)      PDF(pc) (178KB)(720)       Save
In this paper, the qualitative problem of a class of discrete time recurrent neural networks is discussed. First, a sufficient and necessary condition for existence and uniqueness of the equilibrium point of these neural networks is given, where the degree theory of nonlinear analysis is used; second, some sufficient rules for the global exponential stability of these neural networks are obtained by using Lyapunov function.
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A New Algorithm for Constructing Disjoint Minimal Path Set of Network
Xiao Yue WU;Ji Chang SHA
Systems Engineering - Theory & Practice    2000, 20 (1): 62-66.   DOI: 10.12011/1000-6788(2000)1-62
Abstract1395)      PDF(pc) (168KB)(987)       Save
Constructing disjoint minimal path set is an important approach for reliability analysis of network. In this paper, based on network computation and developed from disjoint algebra and tree constructing algorithm for disjoint minimal path set, is presented a new algorithm for directly constructing disjoint minimal path set. The algorithm is simple and characterized by distributed computing, It provides a new approach for reliability analysis of large scale network system.
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Betting Model of Decision-maker with Multi-prior Expected Utility
Xin Zhang YANG;Yong ZHAO;Chao Yuan YUE
Systems Engineering - Theory & Practice    2000, 20 (1): 67-70.   DOI: 10.12011/1000-6788(2000)1-67
Abstract1439)      PDF(pc) (228KB)(784)       Save
Game theoretic approach is a good way to quantify the decision maker's beliefs on uncertainty. This paper discusses a betting model in which players with two sided private information have multi prior expected utilities, and the results are similar to those of Morris(1995).
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The VR Simulation Research for Weapons and Equipment Experiments and Production
Shan FENG;Tong LI;Chao TANG;Jun MIN
Systems Engineering - Theory & Practice    2000, 20 (1): 71-78.   DOI: 10.12011/1000-6788(2000)1-71
Abstract1479)      PDF(pc) (141KB)(914)       Save
The paper declares the importance and academic attributes of the weapons and equipment series oriented VR simulation research. Based on the computing infrastructure of 90s, authors put systems target at self learning, self optimizing, self producing, modeling and simulation environments. Then based on the realized system AI+OOP, "Objects" are equipped with knowledge and human like attributes, through knowledge encapsulation technique. The original AIOOM platform has been promoted to software agents orie...
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Research on Evaluation Model about Important Degree of Weapon System Development Item
Jian Wei LV;Li FU;Ji Yuan LI
Systems Engineering - Theory & Practice    2000, 20 (1): 79-84.   DOI: 10.12011/1000-6788(2000)1-79
Abstract1336)      PDF(pc) (174KB)(916)       Save
The current methods and network model used to evaluate weapon system's development are analyzed and compared. It is emphasized that neural network model is used to evaluate the important degree of weapon system's development item. Finally, several actual samples are given.
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Requirement Analysis and Ability Analysis Models of Reinforced Motorized Infantry Division on Cutting Paths through the Obstacles in Landing Operation
Lao Sheng HUANG;Wan Hong ZHU;Pei Gen YIN
Systems Engineering - Theory & Practice    2000, 20 (1): 85-88.   DOI: 10.12011/1000-6788(2000)1-85
Abstract1506)      PDF(pc) (161KB)(994)       Save
Based on the tactical principle of multi measure in batches and multipoint at the same time and high speed breaking obstacles in waterside and on beachhead, with the help of the mathemactical programming theory, requirement analysis and ability analysis models of reinforced motorized infantry division on cutting paths through the obstacles is established in this paper. Under the condition of limited military strength, equipment and time, paths supporting ability to paths need of reinforced motorized infan...
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From Ancient System Thoughts to Modern Oriental Systems Methodology
Ji Fa GU;Xi Jin TANG
Systems Engineering - Theory & Practice    2000, 20 (1): 89-92.   DOI: 10.12011/1000-6788(2000)1-89
Abstract1479)      PDF(pc) (132KB)(1686)       Save
From the development of systems ideas, we discuss the systems movement with consideration of oriental systems thinking. We also depicted the development of the oriental system approach, Wuli Shili Renli approach.
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A Self-adaptive Learning Algorithm for BP Network
Yao Hua HE;Zhi Zhong XIA
Systems Engineering - Theory & Practice    2000, 20 (1): 93-98.   DOI: 10.12011/1000-6788(2000)1-93
Abstract1528)      PDF(pc) (182KB)(1322)       Save
Under the guidance of non linear programming theory, by using interpolative steps and inexact line search technique, an improved conjugate gradient method is found. It is a self adaptive learning algorithm which greatly enhances the convergence rate of learning, and converges to the global minima.
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A High-Efficiency Learning Algorithm of Input Driven BP Neural Network Model
Wen Jian WANG
Systems Engineering - Theory & Practice    2000, 20 (1): 99-101.   DOI: 10.12011/1000-6788(2000)1-99
Abstract1206)      PDF(pc) (160KB)(979)       Save
In order to improve the efficiency of BP neural network model, this paper presents a high efficiency learning algorithm. It adopts input layer driven and optimally initializing weights and automatically selecting the number of hidden nodes. The experiments show that the learning algorithm is reliable and efficient.
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The Scheduling Problem for MPS with Incompatible Jobs
Gan Ping HUANG;Shi Hong CHEN
Systems Engineering - Theory & Practice    2000, 20 (1): 102-105.   DOI: 10.12011/1000-6788(2000)1-102
Abstract1307)      PDF(pc) (166KB)(757)       Save
In this paper, we present a heuristic scheduling algorithm for MPS (Multi Processor System)with incompatible jobs, and the performance analysis of this algorithm. Some scheduling problem can be solved based on the heuristic method in polynomial time complexity when the job graphs have some special structures such as bipartite graph,tree and so on.
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Axiomatic System of Local Variable Weight
Bing Xue YAO;Hong Xing LI
Systems Engineering - Theory & Practice    2000, 20 (1): 106-109.   DOI: 10.12011/1000-6788(2000)1-106
Abstract1243)      PDF(pc) (175KB)(890)       Save
A definition of local variable weight is proposed and local state variable weight, as well as balance functions are discussed. Lastly, an example is given to note the local variable weight principle.
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The Problems in the Definition of Fuzzy Subordinative Degree
Kai Di LIU;Yan Jun PANG;He Qin WU;Li gen YAO
Systems Engineering - Theory & Practice    2000, 20 (1): 110-112.   DOI: 10.12011/1000-6788(2000)1-110
Abstract1611)      PDF(pc) (161KB)(1463)       Save
In the definition of fuzzy set, fuzzy subordinative degree μ(x) is the function of variable x. This paper states that μ(x)is also a function of x about states set. If the fuzzy subordinative degree, as the function of states set, does not satisfy the condition of normalization and the principle of additivity, then, the fuzzy subordinative degree, as the result of measurement, will be unbelievable.
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Method of Comprehensive Evaluation on City Housing Level
Bing YUE;Hong Juan FU;Wen Sheng YANG;Xue Mei WANG
Systems Engineering - Theory & Practice    2000, 20 (1): 113-117.   DOI: 10.12011/1000-6788(2000)1-113
Abstract1274)      PDF(pc) (119KB)(731)       Save
Proceeding from the whole city housing level and considering each aspect on city housing level, this paper established a perfect comprehensive evaluation index system on city housing level. Based on the speciality of city housing level, this paper proposed the uniform approximation method for the comprehensive evaluation of city housing level. Using this method, we can distinguish different effects of city housing level in different areas and conditions.
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Application of Fuzzy Entropy to the Evaluation of the Environment Optimal Sequence
Qian Yong ZHAN
Systems Engineering - Theory & Practice    2000, 20 (1): 118-124.   DOI: 10.12011/1000-6788(2000)1-118
Abstract1365)      PDF(pc) (132KB)(860)       Save
This paper presents a new model of the fuzzy priority order evaluation of system digestion based on separability principle of the environment system and fuzziness in the environment state analysis.The model reflects relatively well the mutual confining relationship between various factors and has relatively strong universality and practicability. The essential factors of second level model is analyzed in the evaluation of the optimal sequence of environmental duality. Their characteristics are summarized,...
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Percolation Model for Polymer Flooding
Zi Ting WANG
Systems Engineering - Theory & Practice    2000, 20 (1): 125-129.   DOI: 10.12011/1000-6788(2000)1-125
Abstract1126)      PDF(pc) (172KB)(856)       Save
In this paper we show that the conventional treatment of polymer velocity enhancement in two phase flow to ill posed model equation when capillary dispersion is not present. A constant enhancement factor results in the accumulation of polymer near the polymer oil shock, irrespective of any lagging effect. We have established a percolation model for the IPV(inaccessible pore volume) velocity enhancement effect. In this model the velocity enhancement factor is a function of the water saturation, which resu...
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The Pricing Theory and Models in a Highway with Bottleneck
Zi Xiao WU;Hai Jun HUANG
Systems Engineering - Theory & Practice    2000, 20 (1): 130-135.   DOI: 10.12011/1000-6788(2000)1-130
Abstract1523)      PDF(pc) (183KB)(1513)       Save
With the study of the classical highway bottleneck model, this paper explores the possibility and method of implementing an optimal utilization to a highway with bottleneck. A dynamic tolling policy for this optimization is proposed. Finally, this paper discusses the issues in extending the model.
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Study on Forecasting Roadway Surrounding Rock Deformation Amount with Artificial Neural Network
Bao Sheng ZHOU;Jiang LIN;Hai Jun YU;Wei Shen ZHU
Systems Engineering - Theory & Practice    2000, 20 (1): 136-139.   DOI: 10.12011/1000-6788(2000)1-136
Abstract1334)      PDF(pc) (223KB)(930)       Save
After the factors which influence the amount of colliery roadway sur rounding rock deformation are analyzed, the forecasting model based on artificial neural network is constructed. The results indicate that the model works well.
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Foundation of Tourism Background-Trend-Line of 6 Major Tourism-Source- Markets of China
Gen Nian SUN
Systems Engineering - Theory & Practice    2000, 20 (1): 140-143.   DOI: 10.12011/1000-6788(2000)1-140
Abstract1251)      PDF(pc) (233KB)(1094)       Save
The concept of tourism background trend line was put forward in this paper. Based on the statistics data of foreign tourists from 1984a to 1996a, 6 background trend lines were founded by optimization simulated method, which deal with Japan, America, Britain, Germany, Australia and France. As applications, the author forecasts the next 4 years' development trends of above 6 markets with the forecasting function of tourism background trend line.
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中国系统工程学会2000年学术活动计划
Systems Engineering - Theory & Practice    2000, 20 (1): 144-144.   DOI: 10.12011/1000-6788(2000)1-144
Abstract1363)      PDF(pc) (65KB)(596)       Save
序号项目名称主要内容时间会期(天)地点联系人主要承办单位1中国系统工程学会第11届学术年会暨学会成立20周年纪念会学术交流、专题研讨11月5武汉经士仁湖北省系统工程学会2中国系统工程学会五届二次理事会研讨理事会的主要工作11月1武汉经士仁中国系统工程学会3系统科学?..
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A Bulk Service Queue with Finite Waiting Space
Geni Gupur;Zhi Xue LI
Systems Engineering - Theory & Practice    2000, 20 (10): 1-9.   DOI: 10.12011/1000-6788(2000)10-1
Abstract1196)      PDF(pc) (200KB)(738)       Save
In this paper,by using C0 - semigroup theory the existence of a unique positive time- dependent solution of a bulk service queue with finite waiting space is proved.
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The Intelligent DISOPE Method Based on Optimal Selection of Algorithm Parameter,Model and Model Parameter
Jin Sheng KONG;Bai Wu WAN
Systems Engineering - Theory & Practice    2000, 20 (10): 10-16.   DOI: 10.12011/1000-6788(2000)10-10
Abstract1089)      PDF(pc) (184KB)(1065)       Save
The definition of speed index of DISOPE algorithm is given.The intelligent DISOPE method based on optimal selection of algorithm parameter,model and model parameter is put forward. The converge performance and availability of DISOPE algorithm is improved validly. The reliability and validity of this method is demonstrated by simulation.
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Design on the Integrated Accounting System between Environment and Economy of China
Ming LEI
Systems Engineering - Theory & Practice    2000, 20 (10): 17-26.   DOI: 10.12011/1000-6788(2000)10-17
Abstract1256)      PDF(pc) (145KB)(1282)       Save
On the basis of the general framework of United Nations'" indirect/ satellite " accounting system—— integrated system of environment &economy accounting SEEA ( 1 992 ) and 93'SNA,the specific objectives of this paper is try to construct one simple,effective and practical integrated system of environment & economy accounting of China( CSEEA) under Chinese National Accounting System's reform practice.
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Empirical Analysis of Value-at-Risk Estimation Methods Using Extreme Value Theory
Hong Wei TIAN;Yuan Rui ZHAN;Jun QIU
Systems Engineering - Theory & Practice    2000, 20 (10): 27-35.   DOI: 10.12011/1000-6788(2000)10-27
Abstract2260)      PDF(pc) (270KB)(1621)       Save
The paper investigates methods of Va R estimation using Extreme Value Theory( EVT) .It compares two different estimation methods," two step subsample bootstrap" based on moment estimation and Maximum L ikelihood Estimation( ML E) , according to their theoretical basis and computation procedures. Then,the estimation results are analysed together with those of normal method and empirical method. The empirical research of foreign exchange data shows that the EVT methods have good characters in estimating...
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The Method and Practice of the Dynamic Cost Optimality Control in the Process of the Merchandise Circulations
Jia Ping SUN;Jing Zhen ZHOU
Systems Engineering - Theory & Practice    2000, 20 (10): 36-40.   DOI: 10.12011/1000-6788(2000)10-36
Abstract1254)      PDF(pc) (225KB)(743)       Save
The paper puts forward the method of establishing the expense mathematical model on the bases of the expense problems in the process of the merchandise purchase,sale and storage.It gives out the systematic calculations of the dynamic cost optimality problems in the process of the commission sale.The break even- secured benefit model and the calculations reveal the internal relations of the operating cost fluctuation and the time of the merchandise storage.They lay down the foundation of the cost optim...
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Testing Superexogeneity for the Supply of Broad Money in China
Wei Xian WEI
Systems Engineering - Theory & Practice    2000, 20 (10): 41-45.   DOI: 10.12011/1000-6788(2000)10-41
Abstract1483)      PDF(pc) (242KB)(1141)       Save
The purpose of this paper is to investigate the effect of monetary policy on GDP in China economy using annual time series data for the period 1 978- 1 998 employing super- exogeneity test.It is found that the superexogeneity assumption is rejected,while the weak exogeneity assumption appears to be valid.Thus,the results castdoubt on using monetary policy to stimulate economic growth.
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The GARCH Model of Chinese Inflation
A Zhong YE;Zi Nai LI
Systems Engineering - Theory & Practice    2000, 20 (10): 46-48.   DOI: 10.12011/1000-6788(2000)10-46
Abstract1429)      PDF(pc) (223KB)(1424)       Save
In this paper,we establish a GARCH( 1 ,1 ) model for Chinese inflation. The model indicates thatthere is a GARCH effect.The GARCH( 1 ,1 ) model provides a better fit than the regression model.
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Chinese 6-Sector Computable Nonlinear Dynamic Input Output Model and the Determination of Its Parameters
Jin Shui ZHANG;Tao CHENG
Systems Engineering - Theory & Practice    2000, 20 (10): 49-52.   DOI: 10.12011/1000-6788(2000)10-49
Abstract1363)      PDF(pc) (226KB)(788)       Save
The Chinese6- sector computable nonlinear dynamic inputoutputmodel and the method for determining its parameters are given in this paper.This model is the extension of linear L eontief inputoutputmodel.Itnotonly overcomes the shortage that capital and labor can not be substituted in Leontief I- O model,but also overcomes the shortage that it can only solve static equilibrium solution theoretically in most common computable general equilibrium( CGE) models.
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Minimal Element Matrix and Observabilities of Nonlinear DEDS
Yue Gang TAO;Wen De CHEN
Systems Engineering - Theory & Practice    2000, 20 (10): 53-57.   DOI: 10.12011/1000-6788(2000)10-53
Abstract1256)      PDF(pc) (176KB)(793)       Save
We give the definitions of observability and upper limit observability for nonlinear DEDSΣ:( F( x) ,B,C) .By constructing minimal element matrix Amin= ∧ r∈ Iarij ,using matrix inequality,we give linearization sufficient condition of upper limit obervability,and point out that the upper limit observability is superior to the observability.We also give linearization sufficient condition of individual reachability of sysemΣ .Meanwhile,we discuss the same problems in the dual system ofΣ .
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Linear Synthetical Evaluation Function and the Determination of Its Weighting Coefficients
Xue Biao WANG;Zhao Ren GONG;Xiao Wei ZHENG
Systems Engineering - Theory & Practice    2000, 20 (10): 58-62.   DOI: 10.12011/1000-6788(2000)10-58
Abstract1244)      PDF(pc) (224KB)(825)       Save
This paperpresents necessary and sufficientcondition of a linear synthetical evaluation function and a determining method of its weighting coefficients.
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Comprehensive Evaluation on MIS Using Analytical Hierarchy Process
Pei Ji SHAO
Systems Engineering - Theory & Practice    2000, 20 (10): 63-67.   DOI: 10.12011/1000-6788(2000)10-63
Abstract1447)      PDF(pc) (175KB)(1023)       Save
Based on the system analysis and research,this paper establishes the three classification index systems for the comprehensive evaluation on management information systems,the system construction,system function and application evaluation.With the help of Analytical Hierarchy Process,an AHP structure model was built,and an application example is given.
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Updating Beliefs and Degree of Uncertainty Aversion
Xin Zhang YANG;Chao Yuan YUE
Systems Engineering - Theory & Practice    2000, 20 (10): 68-73.   DOI: 10.12011/1000-6788(2000)10-68
Abstract1464)      PDF(pc) (223KB)(939)       Save
When decision- maker is uncertainty- aversion,how does updating his beliefs influence the degree of uncertainty aversion?This paper gives the answer.In general, the degree of uncertainty aversion decreases strictly as new information is obtained.
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Fuzzy Reliability Analysis of Function Substitute Model
Yong XU;Chao Zhen HOU
Systems Engineering - Theory & Practice    2000, 20 (10): 74-78.   DOI: 10.12011/1000-6788(2000)10-74
Abstract1427)      PDF(pc) (167KB)(931)       Save
The paper analyzes the demerit of conventional reliability evaluation method of function substitute model ( FSM) . Based on fuzzy reliability theory,it evaluates fuzzy reliability of FSM and gets calculation formula of FSM's fuzzy reliability and fuzzy mean life- span.In the end,it gives an example.
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