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驾驶员在环振荡判定准则较多,其中Neal-Smith准则的应用较为普遍。但Neal-Smith准则并不能准确反映PIO趋势,与驾驶员评估结论也存在一定差异。根据Neal-Smith准则进行飞机纵向驾驶员在环振荡分析的基本方法与程序,结合系统频域响应估算工具,分析得出满足系统性能要求的驾驶员相位补偿和增益区域,并基于该区域面积定义了新的PIO判断准则。与现有Neal-Smith准则相比,新的PIO判断准则可反映一类和二类PIO趋势随闭环系统参数的连续变化情况。
There are many criteria for judging driver oscillation in the ring, and the application of Neal-Smith criterion is more common. However, the Neal-Smith criterion does not accurately reflect the trend of PIO, and there are some discrepancies with the pilot assessment. Based on the Neal-Smith criterion, the basic method and procedure of aircraft ring driver’s ring oscillation analysis are combined with the system frequency response estimation tool to analyze the driver’s phase compensation and gain region that meets the system performance requirements. Based on the definition of the area The new PIO judgment criteria. Compared with the existing Neal-Smith criterion, the new PIO judgment criterion can reflect the continuous changes of the trend of PIOs and POCs with the closed-loop system parameters.