基于系統(tǒng)動(dòng)力學(xué)的土地整理項(xiàng)目績效評(píng)價(jià)
[Abstract]:Land resources are a kind of limited resources. With the rapid development of our country's social economy, the quantity and quality of land resources are decreasing. At the same time, the limited land resources also make it more and more unable to meet the social and economic growth demand for land. Therefore, land consolidation project is used more and more as a kind of strategic deployment. In the process of implementation and evaluation of land consolidation projects, the existing research results have been able to evaluate the performance and results of land consolidation projects, but the contents of the evaluation are not comprehensive enough, and the evaluation methods are not scientific enough. Therefore, how to carry on more systematic and scientific evaluation of land consolidation project has certain significance. This paper studies the whole process of land consolidation project based on the performance evaluation of land consolidation project. Firstly, according to the principles of land consolidation theory and sustainable development theory, the whole system of process and result is introduced. The causality graph model of land consolidation project performance evaluation is constructed from the perspective of government and the masses, and it is the basic of the whole model construction. Secondly, according to the characteristics of the project area to be studied, the process, economic, social and ecological aspects are selected as the project subsystem, by distinguishing the state variable, the rate variable, the auxiliary variable and the constant. According to the modeling principles and characteristics of system dynamics model, the flow chart models of each system are constructed, and the existing feedback loop is indicated. Then, using historical data, SPSS functions such as growth curve and logistic curve are fitted out, and the system dynamic equations are transformed into system dynamic equations by DYNAMO language in VENSIM software, and the running proofreading and verification are carried out. Finally, the system dynamics model of land consolidation project is established in this paper, and the project performance evaluation and prediction are carried out in combination with the project example to provide support for the analysis and decision making and project proposal. The results of performance evaluation of engineering examples are satisfactory and meet the requirements and objectives of engineering construction. It is predicted that good performance impact will continue in the next few years. At the same time, the performance analysis is based on the system dynamics model analysis. Compared with the previous models, the system dynamics model analysis has dynamic characteristics, can be real-time feedback adjustment, more close to the real system; Second, the application of system dynamics model in evaluation can not only show the past, the evaluation of the present, but also predict the future of the project.
【學(xué)位授予單位】:河北經(jīng)貿(mào)大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:F301.2;N941.3
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