• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
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  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
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  • Chinese Science Citation Database

2005 Vol. 18, No. 4

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M echanism and ExperimentalFormation ofW heel/RailCorrugation
ZHANG Li-min　ZHANG Wei-hua
2005, 18(4): 435-439.
[Abstract](1526)
Abstract:
The relationship betweenwheel/rail(W /R) corrugation and thewavelength of longitudinal self-vibration and the longitudinal axis of contactellipsewas analyzed based on the nonlinear vibration and Hertzian theories. The analysis shows that the mechanism of W /R corrugation is that the wavelength of lo...
Performance Test on H igh-PressureW ater AxialPiston Pump
DEN Bin, WANG Jin-nuo, WANG Guo-zhi, YULan-ying
2005, 18(4): 440-443.
[Abstract](1294)
Abstract:
A test rig forhigh-pressurewaterdriven systemswas developed tomeet the requirements of the performance test on water pumps, motors and valves, as well as synchronized tests on water cylinders. A high-pressurewateraxialpiston pumpwith an outputcapacity of25. 3mL/minwas tested on the test rig. The tes...
Direct Path Planning for Visual Servo Robot
ZHANGHai-bo, QIANQing-quan, XUGang, SUN Jian-guo
2005, 18(4): 444-448.
[Abstract](1704)
Abstract:
The Jacobin matrix for images of a GRB-400 visual servo robotwas derived. A control algorithm was designed to achieve a stable control strategy for dynamic double-loop feedback motion controlof the visualservo robo.t A directplanarpath planningmethod for the robotwasproposed based on the combination...
Influences ofLocomotive Dynam ic Brake on Brake Operation and Lim iting Grade
CHENQing, WANG Zi-li
2005, 18(4): 448-452.
[Abstract](1511)
Abstract:
Brake processes were analyzed under different locomotives, trains, brake operation procedures, and limiting grades. W ith application ofdynamic brake, release times increase from 110 s to 172 and 234 s for trains hauled by aDF8B or an SS7 locomotive, respectively, at a down slope of 12‰grade, and fr...
Dynam ic Stability of a ShapeM emory Alloy Beam
LIYing-hui, ZHANQing-quan
2005, 18(4): 453-456.
[Abstract](1443)
Abstract:
A nonlinear dynamicsmodelwas derived based on the constitutive equations of the thermo- mechanical and pseudoelastic behaviors of shape memory alloy (SMA) and the dynamic equilibrium equations of an SMA beam. The analytic results show that the transverse vibration stability of the beam corresponds t...
Optim ization ofCutting Path Based on Genetic Algorithm
GAO Wei-zeng, ZHANG Bao-jian, CHEN Fu-gui, ZHU Jia-yi
2005, 18(4): 457-461.
[Abstract](1737)
Abstract:
Genetic algorithm was applied to optimize cutting path. Aimed at the optimization objective,i. e., a processing path should include every outline in each part and has the shortest distance, a nondeterministic polynomial cost function was designed and simplified to the optimization among points. In a...
Load-Deformation Relation ofPrestressed Anchor Cable Based onM indlin Solution
WANGHai-bin, GAO Bo, CHENKai
2005, 18(4): 462-467.
[Abstract](1368)
Abstract:
Based on the compatibility conditions of axial and radial deformations of anchor-rock interface, an equivalentmedium modelwas established by analyzing the dynamic load character and boundary conditions of a prestressed anchor cablewith a free partwithout injecting cementpaste. The axial force distri...
Stability Analysis ofPrelim inary Schemes of Nanjing No. 3 Bridge in Construction Stage
ZHAO Lei, WUFang-wen
2005, 18(4): 467-472.
[Abstract](1680)
Abstract:
Three preliminary schemes of theNanjingNo. 3 bridgewere investigate by considering the nonlinearity of structures and the ultimate load-carrying capacity of components. They are the schemes of steel cable-stayed bridgewith one tower and two poles, orwith two towers and one pole, orwith two towers an...
Cross Section Aerodynam ic Optim ization of SteelBox G irder in X ihoumen Suspension Bridge Prelim inary Design
LUGui-chen, ZHANGHong-fen, YANG Yong-xi, GE Yao-jun
2005, 18(4): 473-477.
[Abstract](1740)
Abstract:
To optimize the cross section of steel box girder of the Xihoumen bridge, a suspension bridgewith amain span of 1 650 m, the aerodynamic performance of twin-box cross sections slotted respectivelywith awidth of5. 5, 6. 0 and 6. 5 m were simulated numericallywith the computational fluid dynamics (CFD...
M odelTest ofConstructing Shield Tunnel under Large Underground Structure
LIWei, HE Chuan, ZHANG Zhi-qiang
2005, 18(4): 478-483.
[Abstract](1731)
Abstract:
A 3D model testwas carried out to investigate the interference when a metro tunnel is excavatedwith the shield method under an existing underground structure, the Xuanwuhu tunnel in NanjingCity. The experimental results show thatthe construction of the shield tunnelhas a slighteffect on theXuanwuhu ...
Design ofM icro-computerized Dual-Computer Redundant Automatic Block System between Railway Stations
GUO Jin, CHENHong-xia, YANG Yang
2005, 18(4): 484-488.
[Abstract](1452)
Abstract:
A dual-computer parallel redundant structure of a micro-computerized automatic block system between railway stationswas designed tomeet the need forhigh reliability of railway signalling. The principle and behavior of safety control lock were discussed to avoid the state of dual-host- computer. The ...
Contour Tiling ofObject Surface Reconstruction Based on aM odified Genetic Algorithm
HE Feng-dao, CHEN Yong
2005, 18(4): 488-491.
[Abstract](1525)
Abstract:
The contour tiling problem in object surface reconstructionwas transformed to a problem of searching for an optimal path in a directed graph. An improved generic algorithm (GA) was proposed to solve the objective functions related to the contour tiling problem. The improvements on initial population...
Listless SPIHT Image Coding Hardware Algorithm Based on LiftingW avelet
LIANG Chun-yong
2005, 18(4): 492-496.
[Abstract](1350)
Abstract:
To overcome the shortcoming ofwavelet zero-tree coding algorithms,i. e., the hardware implementation ofSPIHT (setpartitioning in hierarchical trees) algorithm needs toomanymemories, a listless SPIHT algorithm wasproposed. In this algorithm, waveletcoefficients are input into an encoder in the SPIHT ...
Geometric Prim itive Extraction Using ChaosGenetic Algorithm
JIADong-li, ZHANG Jia-shu, ZHANG Chao
2005, 18(4): 496-500.
[Abstract](1868)
Abstract:
A chaosgenetic algorithm wasproposed to extractgeometric primitivesdirectly from original images. Comparedwith the traditionalgeometric primitive extraction, this algorithm needs notdo edge detection before geometric primitive extraction. Instead, it directly searches for geometric primitives from a...
Network Scheduling ofDistributed Real-Time Control System
HE Jian-qiang, ZHANGHuan-chun, JING Ya-zhi
2005, 18(4): 501-504.
[Abstract](1635)
Abstract:
Based on the fact that the performance of distributed real-time control systems closed through control network depends on not only control algorithms but also network scheduling, time divisionmultiple access (TDMA) with determinate timing and reliabilitywasused as controlnetwork to describe the cont...
Security Scheme forM obile Agent inM aliciousHosts
WANG Da-yong, MEIZhi-hong, JINWei-dong
2005, 18(4): 505-509.
[Abstract](1301)
Abstract:
A scheme for solving the security threat to mobile agent (MA) in malicious hosts was proposed based on asymmetricalencryption. In the scheme, only can the hosts thatgetpermissions run the codes ofMA, and data for exchanging are also encrypted. After returning to the source hos,t MA checks the data i...
Approach SchedulingM odelBased on EarliestEstimated ArrivalTime and ItsAlgorithm
JIANG Bo, ZHANG Fei-qiao
2005, 18(4): 509-512.
[Abstract](1478)
Abstract:
To avoid approach congestion due to rapid increase of air traffic flows, reduce delays and make fulluse of the runway capacity, schedulingmodels available in literature were simplified. The minimum radar intervals defined by theGeneralAdministration ofCivilAviation ofChinawas taken as the safe inter...
Stackelberg DifferentialGameM odel for Cooperative Advertising Strategies in Supply Chain
ZHANG Shu-ping, ZHANG Shi-ying
2005, 18(4): 513-518.
[Abstract](1322)
Abstract:
Dynamic cooperative advertising strategies in a supply chainwith a singlemanufacture and an exclusive retailerwere studied. Themanufacture acts as the channel leader to design and implement a dynamic advertising program to support advertising effort of the retailer to optimize his own and the retail...
Multi-vendor SelectionM odel forMulti-product and ItsDecomposing Algorithm s
YAO Jian-ming, PU Yun, ZHOUGuo-hua, ZHAO Zheng-jia
2005, 18(4): 519-524.
[Abstract](1485)
Abstract:
To solve the multi-vendor selection problem in a multi-product supply chain, an optimizationmodewas constructed with the lowest composite cost taken as the objective function and with necessary constraints. A decomposing algorithm was used to overcome the difficulty in solving the mode.l The origina...
M odel ofPartner Information Exchange Protocol for C ivilEngineering Industry
CHENNing, ZHANGXue-yan, Wu Zhen-ye
2005, 18(4): 525-529.
[Abstract](1198)
Abstract:
To overcome the difficulties in electronic data exchanges in civilengineering industry due to complicated relationships and frequent communications among enterprise partners, a partner information exchange protocol (PIEP) model was established. Efforts were made to combine the advantages of aceXML a...
Facility LocationM odel for Multi-levelReturned Logistics and ItsAlgorithm
ZHAO Yi, YING Chuan-zhong, PU Yun
2005, 18(4): 530-534.
[Abstract](1741)
Abstract:
A facility locationmodel formulti-level returned logisticswas proposed to study the issues of collection, preprocessing and remanufacture of end-of-life products. Thismodel is amixed integer linear program (MILP), and is solved with a branch and bound (B&B) algorithm. To make B&B faster in c...
RationalExpectationM odel for Securities Frauds
XULiu-ying, CHENQi-huan
2005, 18(4): 535-538.
[Abstract](1174)
Abstract:
The fraud behaviors ofdishonestcompanieswere studiedwith a rational expectationsmodel to analyze the dynamic relations between the possibility of frauds to happen and the efficiencies of the regulatory authorities. It is found that frauds are a common phenomenon independentof the developing degree o...
Existence andMultiplicity of Solutions and Positive Solutions for Sem ipositive Neumann Boundary Value Problem s
YAO Qing-liu, LIYong-xiang
2005, 18(4): 539-543.
[Abstract](1027)
Abstract:
By using cone expansion-compression fixed point theorem, the solutions and positive solutionswere studied for the nonlinearNeumann boundary value problem, where the nonlinear term was allowed to have a nonpositive lowerbound. It is shown that the problem hasnsolutions orpositive solutions provided t...
α-Resolution Fields ofGeneralized Literals ofLogic LP(X)
WANG Wei, JIANG Bao-qing, XU Yang
2005, 18(4): 544-547.
[Abstract](972)
Abstract:
The research onα-resolution fields of generalized literals of lattice-valued propositional logic LP (X) is the subsequence of the work onα-resolution principle based on lattice-valued propositional logic LP(X), where the algebra of true-values is a lattice implication algebra. The characteristics of...
Universal Immune Evolutionary Algorithm for Interval-Constrained Optim ization Problem s
NIChang-jian, CUIPeng, XIANG Rui
2005, 18(4): 548-552.
[Abstract](1634)
Abstract:
Based on the current immune evolutionary algorithm ( IEA) and aimed at interval- constrained problems, a universal immune evolutionary algorithm was proposed. W ith this universal algorithm, any individualofevery generation canmeet the requirementof interval constraintsbymeans of interval transition...
Special9-BitLattice BoltzmannM odel
WANG Qin, YAO Ling-kan, TANG Jia-fa
2005, 18(4): 553-557.
[Abstract](1198)
Abstract:
Based on the Stokes hypothesis, the characteristics of the Navier-Stokes equation for compressible liquids were analyzed. Through the above analysis, a special 9-bit lattice Boltzmann modelwas setup. The proposed model not only satisfies the Stokes hypothesis but also can simulate compressible liqui...
Nernst Theorem and Entropy ofTwo DimensionalBlack Holes
LIUWen-li
2005, 18(4): 558-561.
[Abstract](1186)
Abstract:
The brickwallmodelwas used to directly calculate the Boson entropy of scalar field in the background of1+1 dimensional(space-time) black holes. The results show that the entropy is related to both the outer and innerhorizons. If the contribution of the innerhorizon is considered, the entropy approac...
Screening and Characteristic ofReactive Red PBL Decolorizing Strains
FU Yong-sheng, WEIJian-bin, LIXiang-mei
2005, 18(4): 561-564.
[Abstract](1223)
Abstract:
Some strains having decoloration and degradation effects on reactive red PBLwere isolated from sludge from bioreactors of a dye factory. Through re-screening, one strain, named asTS4, was found to have a better decoloration performance and identified preliminarily asBacillus Sp. Experimental results...
Synthesis ofo-Chloro-Cyclohexanone Oxime and ItsAnalog
LU Shu-he, TONG Zhi-ping, LIMin
2005, 18(4): 565-568.
[Abstract](1104)
Abstract:
o-Chloro-cyclohexanone oxime and its analog were synthesized with cyclohexanone, cyclohexene and 2-methyl-2-butene. The results show that almost theoretical yield foro-Chloro- cyclohexanone oxime is obtainable with chloro-oximation reaction from hexanone, chlorine and hydroxylamine hydrochloride at0...

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