This paper presents common requirements, and ideas to program the communication software in SCADA system meet the demands of flexible and efficient datum.
Secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi-tray rotor bearing system by MATLAB language.
采用MATLAB语言编制了对传递矩阵法计算多柔盘转子-支承系统的临界转速；
3
The database program technique is adopted to develop its software. This system is flexible for extending and its software function is perfect.