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Showing papers in "Journal of East China Jiaotong University in 2004"


Journal Article
TL;DR: Comparisons between original design and ANSYS optimum results show that the approach proposed in this paper is effective and feasible.
Abstract: In this paper, the design process of structure optimization with ANSYS software is discussed. The author develops programs with ANSYS parametric design language, and put it to use 12-bar plane truss and light portal frame structure optimization. Comparisons between original design and ANSYS optimum results show that the approach proposed in this paper is effective and feasible.

9 citations


Journal Article
TL;DR: For trees and complete bipartite graphs, the signed edge domination number of a graph G of order n was shown to be 4δ-n~28 in this paper.
Abstract: Let r′s(G) denote the signed edge domination number of a graph G. In this paper, we prove that γ′s(G)≥「4δ-n~28」 for any graph G of order n, and discuss the signed edge domination numbers for trees and complete bipartite graphs, and pose the corresponding several problems and conjectures.

6 citations


Journal Article
HE Guo-guang1
TL;DR: The principium of the intelligent methods and TS is introduced and a typical result and the analysis of experiment indicate the validity of the method to solve the MDVSP with weight limit.
Abstract: This paper presents two kinds of intelligent methods for multi-depots vehicle scheduling problem(MDVSP), and uses Tabu Search algorithm(TS) to optimize MDVSP with weight limit This paper introduces the principium of the intelligent methods and TS A typical result and the analysis of experiment indicate the validity of the method to solve the MDVSP with weight limit

3 citations


Journal Article
TL;DR: This article sets up the multi-goal optimization model, then used network plan software and programming software to make network plan optimum as a whole, and introduces the establishment of multi- goal program model and parts of solution to the model.
Abstract: The article poses a new analysis method in construction network's multi-goal optimization. According to the integrative requirement of user or owner, it has taken a proper consideration about multi-goal such as construction quality、time、cost and resource smoothing. We have set up the multi-goal optimization model, then used network plan software and programming software to make network plan optimum as a whole. This article mainly introduces the establishment of multi-goal program model and parts of solution to the model.

3 citations


Journal Article
TL;DR: Numerical experiments show that the improved GA by reducing and moving the search space has better ability to search the global result and improve the precision of searching result.
Abstract: This paper, We change the problem of solving non-linear-equation group into the problem of function optimization. Based on the distribution of fitness and characteristics of binary-coding, We improved GA by reducing and moving the search space. Numerical experiments show that the improved Algorithm has better ability to search the global result and improve the precision of searching result.

3 citations


Journal Article
TL;DR: Results show that applying MATLAB software to the design of neural networks is effective and some questions such as the selection of the category of the networks, the confirmation of the structure parameters and the normalization of the input and output data of the network are expatiated.
Abstract: How to use MATLAB software to solve the design problems of neural networks in practical projects is stressly discussed in this paper. Moreover, some questions such as the selection of the category of the networks, the confirmation of the structure parameters and the normalization of the input and output data of the network are expatiated in a way. The procedure flow chart and example are also presented in the thesis. Results show that applying MATLAB software to the design of neural networks is effective.

3 citations


Journal Article
TL;DR: The purpose and importance of mathematical modelling is expounded, and taking mathematical modelling as a breach, promotes mathematical education of undergraduate course.
Abstract: This paper expounds the purpose and importance of mathematical modelling, and taking mathematical modelling as a breach, promotes mathematical education of undergraduate course

3 citations


Journal Article
TL;DR: In this paper, the theory of complete information static game is applied to the quantitative analysis of quality control of engineering project, based on the mixed strategy Nash equilibrium point, and the definite action of the engineer and the constructor, and provides some theoretical basis for quality control to the owner and engineer.
Abstract: Quality control is important to the management of engineering project. In this paper, the theory of complete information static game is applied to the quantitative analysis of quality control of engineering project. Based on the mixed strategy Nash equilibrium point, this paper analyses the definite action of the engineer and the constructor, and provides some theoretical basis of quality control to the owner and engineer.

2 citations


Journal Article
TL;DR: In this paper, the concept of signed star domination number (G ) γ~′_(ss)(G ) of a graph G, obtained the bounds of 2n-4≥γ~′(ss)/(G )≥n2holds for all graphs G without isolated vertex, where n=|V (G)x≥4, and determine the signed star dominating number of all complete graphs.
Abstract: In this paper we introduce the concept of signed star domination number (G ) γ~′_(ss)(G ) of a graph G , obtain the bounds of γ~′_(ss)(G ). That is, 2n-4≥γ~′_(ss)(G )≥n2holds for all graphs G without isolated vertex , where n=|V (G )|≥4 ,and determine the signed star domination numbers of all complete graphs.

2 citations


Journal Article
TL;DR: This paper described a method in which WEB pages are clustered or auto-classified by using FUZZY SET theory and FUZY CLUSTERING technique, and experiment of the WEB page's FUzzy CLUSTerING indicates that FUzza clustering is effective method for WEBpage.
Abstract: Nowdays,there are much information in Internet,but how to manage and classify it is an inevitable and meaning ful thing This paper described a method in which WEB pages are clustered or auto-classified by using FUZZY SET theory and FUZZY CLUSTERING technique. Experiment of the WEB page's FUZZY CLUSTERING indicates that FUZZY CLUSTERING is effective method for WEB page.

2 citations


Journal Article
TL;DR: In this article, a time-frequency analysis method, applying wavelet function to the unstable signals for the faulty bearing and extracts characteristics of the sigals, and simulates feature frequencies of failure rolling bearing signals using program with MATLAB, which generally accords with the theoretical results.
Abstract: This paper mainly presents a time-frequency analysis method, applying wavelet function to the unstable signals for the faulty bearing and extracts characteristics of the sigals, and simulates feature frequencies of failure rolling bearing signals using program with MATLAB,which generally accords with the theoretical results.

Journal Article
TL;DR: In this paper, the main girder design method of overhead crane is introduced, where the weight is used as design index, the strength and stiffness and stability are used as main restraint condition.
Abstract: In this paper, the optimization design method of main girder for overhead crane is introduced. The weight is used as design index, the strength and stiffness and stability are used as main restraint condition. Based on an example of crane, the result shows that the optimization method is available.

Journal Article
TL;DR: In this article, the authors gave a highter derivative formula of a compound function y = f(a+bx~2) and an answer to the question 1077 in reference.
Abstract: This paper gives a highter derivative formula of a compound function y=f(a+bx~2)and an answer to the question 1077 in reference[1].

Journal Article
TL;DR: In this paper, the significance for enhancement HSE management in our construction enterprise by introducing the characteristics of HSE Management in engineering project for construction enterprise on aboard, and analyses the situation of HSA management in construction enterprise.
Abstract: This paper discusses the significance for enhancement HSE management in our construction enterprise by introducing the characteristics of HSE management in engineering project for construction enterprise on aboard, and analyses the situation of HSE management in our construction enterprise, brings forward the method for enhancement HSE management in our construction enterprise.

Journal Article
TL;DR: In this article, according to the reasons why the sand flow occurs, the principle and method of disposing it is discussed, and a pile foundation is a method for disposing the foundation, it is unfavorable to encounter sand flow in the pile foundation.
Abstract: The pile foundation is a method of disposing the foundation, it is unfavorable to encounter sand flow in the pile foundation In this paper, according to the reasons why the sand flow occurs, the principle and method of disposing it is discussed

Journal Article
TL;DR: The background of interior design in the digital environment is introduced in this article, where the authors expound new characters and advantage of interior designing in digital from following six aspects: design mind, design space, design investigation, design exhibition and design assessment.
Abstract: This paper introduces simply epoch background of interior design in the digital environment It expounds new characters and advantage of interior design in the digital from following six aspects: design mind, design space, design investigation, design exhibition and design assessment It is much important value of reference to development of interior design from now on

Journal Article
TL;DR: Considering the complexity of interaction between soil and pile, the paper wrote a FEA program to analyze the timbered coast and got the data of distortion and force distribution of pre-stressed anchor rope anti-slide pile, which indicated that in the anchoring sect, the bedding resistance is mainly centralized near slideway.
Abstract: Considering the complexity of interaction between soil and pile, the paper wrote a FEA program to analyze the timbered coast and got the data of distortion and force distribution of pre-stressed anchor rope anti-slide pile, which indicated: ①in the anchoring sect, the bedding resistance is mainly centralized near slideway; ②in the anchoring sect, the pile's moment may change aspect with the variety of bedding stiffness.

Journal Article
TL;DR: In this paper, a new method for establishment of non-linear vehicle lateral vibration model is proposed by analysis of traditional model shortage, which introduces particularly simple solution to differential equation of nonlinear Vehicle Dynamics, and also shows relevant program and simulation result.
Abstract: A new method for establishment of non-linear vehicle lateral vibration model is proposed by analysis of traditional model shortage. It introduces particularly simple solution to differential equation of non-linear Vehicle Dynamics, and also shows relevant program and simulation result.

Journal Article
TL;DR: In this article, the Analytical Hierarchy Process is applied to the selection of foundation pit retaining programs, which renders the selection process comprehensively, scientifically, impartially, and accurately.
Abstract: The Analytical Hierarchy Process is applied to the selection of foundation pit retaining programmes, which renders the selection of foundation pit retaining programmes comprehensively, scientifically, impartially and accurately. The conclusion provides a new way to the bid work for foundation pit retaining structure.

Journal Article
TL;DR: A method of multi-sensors data fusion based on BP network and D-S evidential reasoning is put forward, which resolved the incertitude aroused by diagnosis based on single information in fault-diagnosis.
Abstract: This thesis puts forward a method of multi-sensors data fusion based on BP network and D-S evidential reasoning, which resolved the incertitude aroused by diagnosis based on single information in fault-diagnosis. This method is proved to be effective by experiments.

Journal Article
TL;DR: This thesis tries to build up a fashion index system at the basis of analysis to unsuited system and then puts forward "model of several-grade vague comprehensive evaluation" for index system of evaluation.
Abstract: Currently index system of evaluation isn't good for capital borrowing of middlesmall size enterprises, because dilapidated index system in credit was based on enormous size enterprises and devoid of considering current situation which confronted by middlesmall size enterprises. This thesis tries to build up a fashion index system at the basis of analysis to unsuited system and then put forward "model of several-grade vague comprehensive evaluation".

Journal Article
TL;DR: The applications and important parameters of digital watermarking system are discussed, and then the typical attacks for it are analysed integratly, and the existing benchmark stirmarks is probed into.
Abstract: In recent years,with many arithmetics of image digital watermarking having been proposed,the digital watermarking will be brought advance to, when benchmark testing softwares are developed to aim at the different applications of digital watermarking. To address this issues, the applications and important parameters of digital watermarking system are discussed at frist, and then the typical attacks for it are analysed integratly, At last the existing benchmark stirmarks is probed into, and it's localizations are pointed out.

Journal Article
TL;DR: Based on the experimental study of 9 R.C short columns with "Z" shaped section subjected to axial compression and cyclically biaxial bending, the authors reveals the failure pattern and general regularity for loadbearing capacity of the columns.
Abstract: Based on the experimental study of 9 R.C short columns with "Z" shaped section subjected to axial compression and cyclically biaxial bending, this paper reveals the failure pattern and general regularity for load-bearing capacity of the columns. The theoretical analyses result using the digital iteration method is proposed.

Journal Article
TL;DR: In this paper, the number arithmetic of new conformation free-form surface was presented basd on axis measurement's points, by using scan points, technology points of velvet, freeform surface model was rebuild and extended and put together were expatiated.
Abstract: Number arithmetic of new conformation free-form surface was presented basd on axis measurement's points. In the Rhinoceros, by using scan points, technology points of velvet, free-form surface model was rebuild and extended and put together were expatiated, an example was gave.

Journal Article
TL;DR: In this article, a brief introduction of the current situation of the scale of central heating, the structure of heat supply and the heating charges of the heat supply of the country is given.
Abstract: This article has the brief introduction of the current situation of the scale of central heating, the structure of heat supply and the heating charges of heat supply of our country, and the market-oriented process of the heat supply. It has found out the questions existing among them and put forward countermeasures and suggestions to impel the development of our country's central heating cause.

Journal Article
TL;DR: In this article, some HVAC systems with solar energy that are suitful for the villa building are analyzed and compared and in order to choose a best project that can be available for a villas building in Beijing, comparisons among those systems on the investment and running cost are also carried out.
Abstract: Combined with the characteristics of villa building, some HVAC systems with solar energy that are suitful for the villa building are analyzed and compared in this paper. And, in order to choose a best project that can be available for a villa building in Beijing, comparisons among those systems on the investment and running cost are also carried out.

Journal Article
TL;DR: It is both significant theory meaning and very well practical function that analises reliability test datas, so the paper's author will deal with more completely about it and illustrate it scientifically.
Abstract: It is both significant theory meaning and very well practical function that analises reliability test datas, so the paper's author will deal with more completely about it and illustrate it scientifically.