| 直升机结构响应频域自适应控制的试验研究 |
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| 引用本文： | 赵灿峰,顾仲权.直升机结构响应频域自适应控制的试验研究[J].振动工程学报,2010,23(1). |
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| 作者姓名： | 赵灿峰 顾仲权 |
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| 作者单位： | 南京航空航天大学直升机旋翼动力学重点实验室,江苏,南京,210016 |
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| 摘 要： | 降低直升机的振动水平一直是直升机研制过程中最为关键的技术问题之一。基于直升机全局模型的结构响应频域主动控制方法,采用自行研制的数字信号处理(DSP)测控软件进行了多输入多输出的试验研究。在对控制通道频响矩阵的在线识别上分别采用了卡尔曼(Kalman)滤波法和最小均方法(LMS),重点探讨了权矩阵、识别量初始值等对控制效果的影响,并对两种识别方法进行了对比,得出了有价值的结论,为真实工程应用中方法以及对应参数的选择提供参考和依据。
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| 关 键 词： | 频域主动控制 数字信号处理 卡尔曼滤波 最小均方法 试验研究 |
Experimental research of frequency active control of structural response for helicopter |
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| ZHAO Can-feng,GU Zhong-quan.Experimental research of frequency active control of structural response for helicopter[J].Journal of Vibration Engineering,2010,23(1). |
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| Authors: | ZHAO Can-feng GU Zhong-quan |
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| Affiliation: | ZHAO Can-feng,GU Zhong-quan(Key Laboratory of Rotorcraft Aeromechanics,Nanjing University of Aeronautics , Astronautics,Nanjing 210016,China) |
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| Abstract: | Reducing the vibration level of helicopter fuselage is always one of the crucial technical issues in the development of helicopter.Based on the control approaches of active control of structural responses in frequency domain and the global model for helicopter,a multi input multi output experimental study is conducted using self developed control software of digital signal processing.Kalman filter and Least Mean Square method are adopted to identify frequency response function matrix of control channel resp... |
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| Keywords: | active control in frequency domain digital signal processing Kalman filter Least Mean Square experimental research |
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