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一致增长波动趋势二次最优闭环模型
引用本文:景旭,孙晓波,苏丽,薛楠.一致增长波动趋势二次最优闭环模型[J].电机与控制学报,2001,5(1):11-15.
作者姓名:景旭  孙晓波  苏丽  薛楠
作者单位:哈尔滨理工大学,
基金项目:黑龙江省自然科学基金资助项目(E9708)
摘    要:基于二次最优叠加目标函数α∧∧t=α∧- α∧(0)t α∧(1)t,给出了一致二次最优闭环模型下的动态Riccati方程的稳态因子解。在已知输入输出数据的情况下,用最大似然参数估计算法建模,并将Riccati稳态因子方程与优化松弛因子算法相结合,对模型进行参数估计,并且从理论上证明了均衡轨道的存在,进而给出了动态叠加目标函数下的均衡轨道解析表达式,从而完成了一致增长波动趋势下二次最优闭环模型的均衡轨道仿真。

关 键 词:一致增长波动趋势  参数估计  二次最优闭环模型  最大似然估计
文章编号:1007-449X(2001)01-0011-05
修稿时间:2000年2月27日

The quadratic optimal closed loop model of uniform growth and fluctuation tendency
JING Xu,SUN Xiao-bo,SU Li,XUE Nan.The quadratic optimal closed loop model of uniform growth and fluctuation tendency[J].Electric Machines and Control,2001,5(1):11-15.
Authors:JING Xu  SUN Xiao-bo  SU Li  XUE Nan
Abstract:On the basis of the quadratic optimal additional objective function which includes exponential growth and fluctuation tendency besides constant tendency, under the conditions of the uniform quadratic optimal closed loop model, the static solutions of Riccati equation are obtained at first. Estimation of maximum likelihood parameter method is used to construct a model when samples of input and output are known. Then the static Riccati equation and relaxation of optimal factor method are used to estimate the parameters of the model, and the existence of the equilibrium paths is proved theoretically. Furthermore, the analytic formulae of the equilibrium paths are derived under dynamic addition object function. Thus the simulation of equilibrium paths is performed in uniform growth and fluctuation tendency.
Keywords:quadratic optimal closed loop  uniform growth and fluctuation tendency  equilibrium path
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