求翻译：分析了包含驾驶员在内的人-机闭环控制系统特性。针对驾驶员诱发振荡（PIO）现象这一突出问题，深入分析和总结了飞机发生PIO现象的本质、PIO的分类、PIO发生的必要条件，研究了目前国内外预测PIO现象的设计准则，针对飞机的不同飞行阶段，提出了利用相关设计准则对Ⅰ、Ⅱ类PIO进行综合预测，针对飞机故障条件下，舵机速率限制器饱和易发生Ⅱ类PIO的情况，提出了运用补偿技术抑制Ⅱ类PIO的发生的，设计出速率限制反馈（RLF）抑制系统与死区增稳（DASA）抑制系统。是什么意思？

Analysis includes the driver, including the man - machine closed-loop control system characteristics. For pilot-induced oscillation (PIO) phenomena of the outstanding issues, in-depth analysis and summarizes the essence of the phenomenon aircraft occurred PIO, PIO classification, PIO necessary condi

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Analysis includes closed-loop control of man-machine systems, driver characteristics. For driver induced Oscillation (PIO) phenomenon this a highlight problem, in-depth analysis and summary has aircraft occurred PIO phenomenon of nature, and PIO of classification, and PIO occurred of necessary condi