| 等效系统参数辨识法在飞行品质评价中的应用 |
| |
| 引用本文： | 孟捷,徐浩军,葛志浩.等效系统参数辨识法在飞行品质评价中的应用[J].数学的实践与认识,2008,38(8):79-84. |
| |
| 作者姓名： | 孟捷 徐浩军 葛志浩 |
| |
| 作者单位： | 空军工程大学,工程学院,陕西西安,710038 |
| |
| 摘 要： | 分析了等效系统参数辨识方法,采用最小二乘法与频域极大似然法求解先进飞机的低阶等效系统.通过计算,对两种辨识方法的优缺点进行了对比研究,并通过动态仿真验证了方法的有效性.最后依据参数辨识结果,对某型飞机的飞行品质进行了评估.
|
| 关 键 词： | 等效系统 频域极大似然法 最小二乘法 参数辨识 |
| 修稿时间： | 2005年11月21 |
Parameters Identification for Equivalent System and Its Application in Evaluation of Flying Quality |
| |
| MENG Jie,XU Hao-jun,GE Zhi-hao.Parameters Identification for Equivalent System and Its Application in Evaluation of Flying Quality[J].Mathematics in Practice and Theory,2008,38(8):79-84. |
| |
| Authors: | MENG Jie XU Hao-jun GE Zhi-hao |
| |
| Abstract: | The methods of parameters identification are analyzed and low-order equivalent system is identified by frequency domain maximum likelihood method and least square method.Advantages and shortcomings of two parameters identification methods are compared according to calculation.The validity of two methods is verified by dynamic simulation.Aircraft flying qualities are evaluated according to results of parameters identification. |
| |
| Keywords: | equivalent system frequency domain maximum likelihood method least square method parameters identification |
| 本文献已被 万方数据 等数据库收录！ |
|
