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...
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,...
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...
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...
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...
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...
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 ...
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...
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...
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 ...
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 ...
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...
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- ...
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, ...
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 ...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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...
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...
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...