宏觀安全生產(chǎn)系統(tǒng)的動力學(xué)建模、仿真及預(yù)警研究
[Abstract]:With the development of economy and society, the trend of production safety in China is getting better, but compared with the developed countries, the situation is still grim. This paper first analyzes the nonlinear correlation between the accident index and the economic and social system, explores the coordinated development mechanism between the multiple factors, and then, based on the system dynamics, establishes the national and coal mine macro-safety production system model. The simulation and early warning of the model are carried out. The results are of great significance to coordinate the relationship between safety production and economy and society, to formulate reasonable macro intervention policies and to realize the concept of "safe development". The main contents and innovations of this paper are as follows: (1) introducing the theory of system dynamics into the field of prediction and early warning of macro-safety production provides a technical path for the practice of macro-safety production theory. In addition, the research ideas of coordinated development of macro-safety production system, economy and society are determined. (2) the law of macro-safety production is studied by using the theory of system dynamics. The correlation between system dynamics theory and safety rheological catastrophe theory, life cycle theory, safety production Kuznets curve and development theory of safe production stage is revealed. The results show that the system dynamics method can explain other theories well. (3) the early warning index system of regional production safety system and the early warning index system of coal mine production safety system are constructed. By analyzing the time series diagram of national and coal mine accident index and influencing factor index, the development trend and periodic fluctuation law of each variable are studied. Based on the scattered plot analysis of national and coal mine accident index and influencing factor index, the nonlinear correlation between the indexes is revealed. (4) the dynamic model of regional and industry safety production and economy and coordinated development is established. Through block diagram analysis, basic model analysis and causality model, the nonlinear correlation and feedback transmission mechanism between safety production and economic and social factors are analyzed, and the concepts and methods of state early warning and trend warning are put forward. The ring index method is used to calculate the trend warning index, and the warning limit value is determined according to the average value and three times standard deviation. (5) A simulation study on the trend of production safety in the whole country and in the coal mine industry is carried out. Firstly, the flow chart model of the coordinated development of national and coal mine safety production system and economy is established; secondly, the simulation analysis of policy intervention is carried out by using the established model, and the prediction law of safety production in the whole country and coal mine industry is obtained. That is, the accident index is more sensitive to the change of some key influencing factors. Thirdly, the method of quadratic index and average reduction rate is used to predict the statistical index of accident in the short term. The results show that the "12th Five-Year Plan" goal of safety production in our country and coal mine industry has been realized in advance. Finally, according to the established early warning model and forecast result, the early warning index is analyzed, which indicates that the economic and social factors, Under the condition that the macro safety intervention policy is basically unchanged, the national accident index will be in the state of no alarm in the coming 1-3 years, and the coal mine accident index will be in the state of light warning, that is, the decreasing rate of the coal mine accident index will be slower than the average level of the previous 10 years. In addition, aiming at the target of accident mortality of 100,000 people in the 12th Five-Year Plan by 2020, the paper puts forward some suggestions to improve the statistical index of accidents.
【學(xué)位授予單位】:北京理工大學(xué)
【學(xué)位級別】:博士
【學(xué)位授予年份】:2014
【分類號】:X913
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