BP neural network
The Application of Neural Networks on Life Cycle Cost Analysis of Multi-ribbed Wall Structure
The multi-ribbed slab structure is a kind of seismic energy-saving,ecoenvironmental protection,economical and practical,rapid construction of a new system of building structures,have a good application prospects.Investment decision-making from a scientific point of view,wall-ribbed structure of the project life-cycle cost management theory of cost analysis,considering the initial construction cost of the project and operating and maintenance costs(cost) [...]
The Research on Remote Monitoring of CNC Machine Tool Vibration and Its Prediction
CNC machine tool is an advanced manufacturing equipment with high degree of automation and complex structure,which is the key equipment in the production.If it failures,it won’t work,and then it will cause tremendous losses to the enterprise because of long maintenance time and high maintenance costs.Although CNC machine tool numerical control system built-in can complete simple [...]
Research of VAV Terminal Simulation and Control Based on Generalized Predictive Self-Tuning Controller
Nowadays, Variable Air Volume (VAV) air-condition system has gradually become most popular in China and abroad because of its significant energy saving. However, VAV air-conditioning system has characteristics of strong nonlinear, large delay, time-varing, it is difficult to gain the precise mathematical model by using the traditional linear control theory, such as PI, PID. So [...]
Study of Diesel Engine Fault Diagnosis Technique Based on Genetic Neural Network
Based on the analysis of domestic and foreign research about intelligent diagnosis technology and fault diagnosis methods of diesel engine,a method of diesel engine fault diagnosis based on genetic neural network is given in this paper.The fault diagnosis of fuel system is deeply studied.Firstly,the research status of fault diagnosis technology and contents of the topic [...]
Research on the Driver Shift Quality Based on Fuel Economy
Automobile fuel economy is one of the most important indexes of vehicle performance, especially with the rapid development of automobile industry and the shortage of oil resources, the significance of reducing vehicle fuel consumption is particularly important. Driver plays an important role in the driver – vehicle – road system, as the driver is not [...]
Reliability and Optimization Design on Shell of Moving Supercavitation
Up to now, the cavitations phenomenon has been already experienced several generations’understanding and researching since discovered. The first supercavitating torpedo was manufactured by Russia, which aroused the fever of study the supercavitation in many countries. The main contributions of this thesis are as follows:A brief review of the development of supercavitation profile in countries was [...]
The Study about the Optimization of Insulation Structure and Grading Ring of Tap Changer
As one of the indispensable electrical equipments, the performance and quality of tap changer directly affect the safe operation of transformer. Because of the structural design of insulation in switch is unreasonable, the phenomenon of breakdown is frequent when the switch is under high-voltage test by some manufacturers. As a result , while desinging the [...]
Constitutive Models of Reinforced Soils Based on Artificial Intelligence Methods
As a kind of new geotechnical composite material, reinforced soil has many advantages: With a good stability, it is easy for construction and costs much lower than with other materials, thus it provides civil engineers with many economical means. reinforced soil technology has been widely applied in reinforced retaining structures, reinforced slope and reinforced soft [...]
Nonparametric Modeling of MR Damper and the Coupled Structure System
Modeling of a structure system is the fundament of structure control, diagnose and indentification. A sample and practical model that can accurately reflects the dynamic response of a structure system is critical to effective control, model updating and performance evaluation. Because of the the complexity of civil engineering structures, uncertainty and non-linearity of materials and [...]
The Application Research of Texture Information on Remote Sensing Image Classification
Remote sensing image classification is a hot issue in the field of remote sensing research. At present, the traditional classification of remote sensing classification is combined with spectral information for classification and the image spatial information utilization ratio is low, however,it is proved that spatial information of the remote sensing image is very rich. In [...]