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

2010 Vol. 23, No. 3

Display Method:
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Potential Damage Analysis of Near-Fault Ground Motion Based on Response Spectra
LI Ming, 2, XIE Lili, 3, YANG Yongqiang, HU Jinjun
2010, 23(3): 331-335. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To provide a basis for seismic code revision, differences of the potential damage caused by near-fault and far-field ground motions were analyzed in terms of elastic and inelastic acceleration, velocity, and displacement response spectra, dynamic factor spectra, and inelastic to elastic acceleration...
Influence of Intersection Angle between Railway Route and Fault Strike on Roadbed of Qinghai-Tibet Railway
YUAN Bingxiang, 2, CHEN Wenwu, LIANG Shouyun, HAN Wenfeng, 3, LI Jincheng
2010, 23(3): 336-340. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To investigate the influence of intersection angle between railway route and fault strike on roadbed of the Qinghai-Tibet railway, a statistic for 154 faults intersecting with the Qinghai-Tibet railway was carried out. With the inverse distance weighted interpolation method (IDW) and software ANSYS,...
Approximate Analytical Solution of Aseismic Analysis of Shield Tunnel and Its Application
YAN Qixiang, MA Tingting, HE Chuan, GENG Ping
2010, 23(3): 341-345. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To simplify the aseismic analysis of deeply-buried underground structures, an approximate analytical method considering the common action of P and S waves on shield tunnels was presented based on the Fotieva method for successive medium strata, and a comparison was carried out between the calculatio...
Rigidity Characteristics of Multi-span Suspension Bridges under Train Loads
KANG Rui, ZHENG Kaifeng, LI Huaiguang, CHEN Libo
2010, 23(3): 346-350. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To probe into the feasibility of super-long multi-span suspension bridges, the rotational deformation of super-long multi-span suspension bridges under train loads was researched. The classical gravity stiffness method was employed to derive the influence line of rotational deformation. The stiffeni...
Spatial Mechanical Behavior of Thin-Walled Members with Parallelogrammic Closed Cross Section
LI Cuijuan, WEI Xing, QIANG Shizhong
2010, 23(3): 351-356. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to investigate the static behavior of thin-walled members with a parallelogrammic closed cross section under a moment or an axial compression, a thin-walled member with a parallelogrammic closed cross section was tested. The theory of oblique bending was applied and a FEM model was presente...
Experimental Investigation of Dynamic Earth Pressure on Gravity Retaining Structures
LIU Changqing, LI Shiyuan, LIU Shaofei
2010, 23(3): 357-360. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to explore the distribution and magnitude of dynamic earth pressure on retaining structures, a full scale model test was carried out. Through the testing of gravity road shoulder wall, gravity road embankment wall and balance weight retaining wall, the dynamic earth pressure under different...
Design Method of Rail Asymmetric Silhouette
LIU Changqing, LI Shiyuan, LIU Shaofei
2010, 23(3): 361-365. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to determine the asymmetric silhouette of rail scientifically to guide the asymmetric grinding of rail, a method of designing the asymmetric silhouette and evaluating the asymmetric grinding was proposed based on the classical wheel/ rail contact geometry. The judgment bases of this method ...
Classification Research on Object-Oriented High-Resolution Remote Sensing Images in Chengdu Plain
LIN Xiancheng, 2, LI Yongshu
2010, 23(3): 366-372. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to quickly and accurately extract the information of land use and its changes in the Chengdu Plain, high-resolution remote sensing images were selected as a data source, and using the object-oriented image analysis method, the classification method of these high-resolution remote sensing im...
Selection of Data Smoothing Methods in Wheel Wear Analysis
GUO Jun, LI Xia, DU Xing, JIN Xuesong
2010, 23(3): 373-377. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to efficiently remove the noise points from the calculation data of wheel wear, a comparative investigation on three existing data smoothing methods, namely, five-spot triple smoothing, cubic spline smoothing, and Supersmoother, was conducted by using these data smoothing methods to deal wi...
Fuzzy Self-Tuning of PID Parameters for Automobile Sensotronic Braking Control
SUN Ren-Yun, LI Zhi
2010, 23(3): 378-383. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to improve the performance of an automobile sensotronic braking control (SBC) system, the PID parameter fuzzy self-tuning method for the automobile SBC was studied. Using the least-square curve-fitting method in the approximate first-order lag plus delay model and the empirical formula for ...
Static and Dynamic Models for Reliability Calculation of Stress-Strength Interference
TANG Jia-Yin, ZHAO Yong-Xiang, SONG Dong-Li
2010, 23(3): 384-388. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To solve the problem of stress-strength correlation interference in the reliability calculation for mechanical parts, a static and a dynamic stress-strength correlation interference models were derived based on the Copula theory and the negative correlation structure between stress and strength. An ...
Fabrication and Corrosion Resistance of Ni-P Duplex Layer Coating
FANG Ximei, ZHANG Huiguang, HAO Jun, KUANG Liuwei, WANG Jie
2010, 23(3): 389-392. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
Three different coatings were prepared with different complexing agents and electroless plating procedures. The composition, microstructure and morphology of the coatings were characterized by X-ray diffractometer (XRD), X-ray energy dispersive spectrometer (EDS)and scanning electron microscope (SEM...
Application of Fuzzy Comprehensive Analysis to Information Security Evaluation
FU Mao-Ming
2010, 23(3): 389-392. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to improve the accuracy and validity of information system security evaluation and reduce the effects of diversities of experts'subjectivity on evaluation results, a clustering method based on the fuzzy comprehensive analysis was proposed. With this method, scores given by experts are pre- ...
Effect of Intermittent Operation on Thermal Performance of Heat Exchanger with U Shape Buried Pipe
YUAN Yanping, LEI Bo, CAO Xiaoling, YANG Conghui
2010, 23(3): 393-399. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
A heat transfer model for heat exchanger was derived to investigate the effects of intermittent operations on the thermal performance of a heat exchanger with U shape buried pipes. In the model, the calculation area was divided into two parts, one in the borehole and the other outside the borehole, ...
Time-Frequency Presentation Using Empirical Mode Decomposition Combined with Cohen Class to Suppress Crossterms
NING Jing, ZHU Zhaokun
2010, 23(3): 400-404. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To suppress the crossterm interference in the Cohen class quadratic time-frequency distribution, a method based on empirical mode decomposition (EMD) and Cohen class distribution was proposed. In this method, the time-domain signal is first decomposed into a sum of multiple intrinsic mode functions ...
Parameter Optimization of Maglev PID Controller Based on Improved PSO Algorithm
LIU Dong, 2, FENG Quanyuan, JIANG Qilong, 3
2010, 23(3): 405-410. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To reduce the effect of nonlinearization on maglev gap control, the PSO (particle swarm optimization) algorithm was used to optimize the parameters of a maglev controller, and an improved algorithm was proposed based on the linear decreasing weight particle swarm optimization (LDW- PSO). In order to...
Progressive LOD Terrain Rendering Algorithm Based on Nine Palaces
YIN Guisheng, CHEN Huaiyou, 2, ZHANG Jing, LI Jianjun
2010, 23(3): 411-417. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to decrease the times of dividing terrain and viewpoint center squared in terrain rendering and improve rendering efficiency, a fast nine palaces terrain rendering algorithm was put forward. In this algorithm, a multiresolution ground block structure is set up based on the characteristic of...
Reactive Power Optimization Based on Oriented Search Algorithm
ZHANG Xuexia, CHEN Weirong
2010, 23(3): 418-423. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
The oriented search algorithm (OSA) was used to optimize reactive power flow in a power system. In the OSA, the search-individual simulates human behavior, and the search-object (the optimal solution of the objective function) works like an intelligent agent that can transmit oriented information to...
Improvement of Multipath Routing Algorithm Based on OLSR and Source Routing
GAO Yu, ZENG Huashen, ZHANG Hong
2010, 23(3): 424-429. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
The OLSR (optimized link state routing) and source routing-based multipath algorithm (SR-MPOLSR) was simulated. The simulation results indicate that the SR-MPOLSR has disadvantages in finding a source routing path and can not improve the success rate of end-to-end packet transmission because of unco...
Polycrystalline Silicon Video Inspection System Based on Small Area Tracking
ZHOU Xiu-Yun, HUANG Jian-Guo, FENG Zhong-Zheng
2010, 23(3): 430-434. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
A polycrystalline silicon video inspecting system was designed for the real-time measuring the diameter of polycrystalline silicon stick. In this system, the machine vision method founded on the imaging information from two fixed cameras are adopted to track the edge of goal silicon stick and measur...
Dynamic Power Management Based on Subtask and Executing Time
JIANG Lian-Xiang, YANG Gen-Qiang, LI Hua-Wang
2010, 23(3): 435-439. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to reduce the energy consumption of embedded systems, a subtask and executing time-based device scheduling policy (SEBDSP) was proposed by analyzing the drawbacks of EODSA (the energy-optimal device-scheduling algorithm) and IEODSA1 ( the improved EODSA1). The SEBDSP divides tasks into seve...
Recognition Technology of Dynamic Magnetic Interference Based on Differential Magnetic Compasses
HAO Zhen-Hai, YANG Xin-Yong, HUANG Ku-Guo
2010, 23(3): 445-450. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to solve the magnetic compass interference problem caused by the low-frequency dynamic magnetic interference in urban traffic, an integrated heading system based on the differential magnetic compasses (DMC) and the rate gyroscope was designed. When the low-frequency dynamic magnetic interfe...
Test on Effectiveness of Sound as Countermeasure Against Driving Fatigue Based on Physiological Signals
DIAO Xiao-Hua, FANG Rui-Xue, MAO Ke-Dun, RONG Jian
2010, 23(3): 457-463. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to mitigate driving fatigue and reduce traffic accidents, a study on the variation law of electroencephalograph (EEG) and electrocardiograph (ECG) with driving time was made in a driving simulator. The correlation between the original data of EEG and ECG and each indicator for assessing dri...
Multi-airport Ground Holding Problem Based on Airline Schedule Optimization: Models and Algorithm
XIE Bo-Jia, HU Meng-Hua, TIAN Yong
2010, 23(3): 464-469. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To solve the multi-airport ground holding problem, a multi-objective and multi-airport optimization model was built based on airline schedule. This model consists of objective functions of the minimum total delay time, the minimum total delay cost, the minimum total number of adjusted flights, and t...
Anti-glare Effect of Median Green Belt on High-Grade Highway
XIAO Dai-Quan, MA Rong-Guo, LI Tie-Qiang
2010, 23(3): 470-475. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
In order to study the anti-glare effect of the median green belt on horizontal and vertical curve sections of highway, the methods for calculating the spacing and height of the plants along the median strip on straight sections were presented. The plant spacings for different plant canopy diameters ...
Optimization of Logistics Buffer Zone Layout in Manufacturing Industry
WANG Zhanzhong, ZHENG Jiabin, XU Hongguo, WU Zhengmei
2010, 23(3): 476-481. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To reduce the increasing handling cost and speed the slow materiel movement caused by poor layout of logistics buffer zones in manufacture industry, an optimization model for the layout of logistics buffer zones was presented with the minimum product of total transportation volume and distance as th...
Pallet Recovery Model Based on Modified Pallet Pool System
LIN Jian-Wei, ZHANG Xue-Yan
2010, 23(3): 482-485. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To improve the utilization rate of pallets, a modification was made to the traditional pallet pool system. In the modified pallet pool system, a consignee could use received pallets to dispatch cargos as a consigner, reducing at least twice times of transportation of empty pallets. Two pallet recove...
Local Neighborhood Search Algorithm for Generalized Dynamic Wagon-Flow Allocation of Railway Technical Stations
ZHAO Jun, PENG Qiyuan, WEN Chao, XU Jin
2010, 23(3): 486-492. doi: 10. 3969/ j. issn. 0258-2724.
Abstract:
To realize computer-aided stage plan making for railway technical stations, the collaborative optimization problem of static wagon-flow allocation for train break-up and make-up sequence adjustment was studied. A local neighborhood search algorithm was designed, which meets the comprehensive require...