Analysis On SD Colliery Safty Management System

Aboundant with coal reserves underground, China's coal production has always been among the tops of the world. However, limited by less-developed mining technique, during coal production, native collieries failed to fully have some unsafty factors under control, leading to frequent occurance of safty hazards, which not only has the collieries sustain with tremendous economic loss, but also seriously periled mine employees lives. So it has becomed the present top priority to improve the colliery production safty management, fully having all factors considered and aming to solve the issue mentioned above. To materialize this, it is a very efficient way to safeguard colliery workers' life and increase colliery profit by establishing safty information management system.This paper, taking SD colliery as an example, analyses the design and operation of its colliery safty management system. The paper begins with the introduction of system's definition, developing background and the status quo of its research both home and abroad.Meanwhile, the system being used in SD is also analysed, which sets up the key point of this paper. Then the paper gives a general acount of the relevant theories and techniques involved in the system design, including the definiation, structure, pros and cons, developing background and features of C/S mode and B/S mode, which provides a reference in theory and technique for the design and materialization of the system. Then the paper concludes some issues in SD colliary safty management(CSM) and analyses the causes for them, by displaying the status quo of SD CSM in two aspects, namly the staff orgnization and the operation flow. The paper then analyses the needs in function of CSM, shows the system's function and capability basing on these needs, discusses the feasiblity of the system. Also more detailed content like establishing logic module of CSM, picturing data flow diagram of relevant functions, and building system data dictionary is accounted.Then the paper displays the design of the system in keeping with the system's design principle and sets up the integrated structure and hierarchy structure.Besides, the paper offers designs of each single function module, data base and user interface.At last, by comparing the C/S and B/S, the paper puts forward the mixed CSM system that based on C/S and B/S, offers designs of application module, and accounts the materialization of the sub-system of C/S and B/S. It also provides analysis of safty from the aspects of firewall,authentication, access control and user privilege, so as to safegard the internet safty of the system by ensuring no illegal user break in.