Abstract

Command protection engineering is the important component of national protection engineering system. To raise the level of its construction, a deformation prediction model is given based on Genetic Algorithm (GA), Least Square Support Vector Machines (LSSVM) and markov theory. Genetic algorithm is used to improve the parameter of LSSVM. Markov predict method is used to improve the precision of the prediction model. Finally, be used to a certain command protection engineering, the accuracy of the algorithm is improved obviously. The model is proved to be credible and precise.

Highlights

  • Surrounding rock deformation is a complex nonlinear process [1]

  • Surrounding rock deformation monitoring, as basic information of evaluation and reflect of the surrounding rock change, its production, development and change can be regarded as time series

  • In the field of surrounding rock deformation prediction, in order to objectively reflect the rules between time and change, mathematics method or mathematical model is often need, used to prediction analysis

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Summary

INTRODUCTION

Surrounding rock deformation is a complex nonlinear process [1]. In the field of surrounding rock deformation prediction, in order to objectively reflect the rules between time and change, mathematics method or mathematical model is often need, used to prediction analysis. A lot of research is given, common method are as follows, Lagrange interpolation method, exponential smoothing, the spline interpolation method, regression model method, time series analysis, gray system theory, the artificial neural network method, the response surface treatment technology and chaos phase space reconstruction processing technology, etc. Some research is given on the surrounding rock deformation prediction with support vector machine (SVM) [12,13]. The method is used to give research on surrounding rock deformation prediction of command protection engineering

LSSVM Prediction Model
Parameter Optimization of LSSVM with GA
Markov Optimization Method
The State Transition Probability Matrix
The Predict Table
GA-LSSVM Displacement Fitting
Markov Improvement of Prediction
CONCLUSIONS
Findings
26 S2 sum
Full Text
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