动态矩阵在电站主蒸汽温度调节系统仿真中的应用  

APPLICATION OF DYNAMIC MATRIX IN EMULATION OF MAIN STEAM TEMPERATURE REGULATING SYSTEM IN POWER PLANT

作　　者：魏丽东[1] 王锦桥[1] 肖洪[1] 周宇阳 

机构地区：[1]河海大学,江苏常州213022 [2]新华控制工程有限公司,上海200245

出　　处：《热力发电》2005年第12期31-33,共3页Thermal Power Generation

摘　　要：电站主蒸汽温度调节系统具有多输入、多输出的特点,其数学模型可以用状态方程来表示,并在仿真中运用动态因子法与动态矩阵可求解系统状态方程。在计算步长比较小的情况下,求解可以达到与四阶龙格库塔法几乎相同的精度;在计算步长比较大的情况下,既可以满足精度的要求,又可以缩短计算时间,弥补了欧拉法的不足。The main steam temperature regulating system has features of multiinput and multioutput, its mathematic model can be represented by using state equation, and the state equation of said system is solved in emulation by applying dynamic factor and dynamic matrix. Under condition of calculating smaller steps, the precision of obtained result can reach that of the four rank Longekuta method; Under condition of calculating larger steps, the obtained result not only can satisfy the requirement of precision, but also can shorten the time of calculation, remedying the in sufficiency of Oular method.

关 键 词：状态方程 仿真 动态因子 计算步长 动态矩阵 

分 类 号：TK323[动力工程及工程热物理—热能工程]