Example Reseach And Model Of Grey Multi-Goal Programming On Land-Use Structure Optimization

The multi-goal planning methods of land-use structure are the front and hot issues of a new round of its overall plan and revision. Form the angle of system theory, the paper, which took on Qinzhou as an example, analyzed quantitatively and qualitatively the characteristics, founctions and structures of the optimal system on Qinzhou's land-use structure. By using its characteristics (grey, controllable, dynamic, multi-goal, and complicated etc.) and some all-round and overlapping theories (Operations research, Mathematics, and Grey system etc.), we set up the model of GMDP, and find out the most optimal scheme which provides us with a scientific and feasible means and tool to drawing up the overall plan of new turn land-use.This thesis carried on some innovations in studying contents and technique method. Firstly, the thesis analyzed systemically the optimal system of land-use structure on city level which is a complicated and open system made up by land, population, economy, society, resource and environment. According to this, the author was on the basis of the designing flow chart of land-use optimal model, has designed 3 goal functions, 18 variables and 25 terms of restraining, and set up the model of GMDP on Qinzhou city optimal land-use structure by combining national economic and social development "eleven five" overall plan of land-use the development strategy of the 2010 with the long-plan of the 2020 in Qinzhou. Secondly, the anthor optimized Qinzhou's land-use structure by applying and calculating GMDP repeatedly. After its grey quantity was explicated by the methods of grey system theory, we solved and analyzed the model by applying Goal Programming of QSB, and constructed nine optional schemes. Finally, according to the optimal principle of comprehensive benefit, the anthor selected 11 comprehensive indexies, adopted GRA to optimize those schemes, and found out the most optimal scheme 8. In addition, the thesis provided some countermeasures to realize the scheme 8.The result proved that the model had bigger science, feasibility and practicability. The system analysis and the model of GMDP is a convenient and effective method to the complicated system of optimal land-use structure.