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中文摘要：
针对相平面喷气控制系统稳定性分析问题,给出了相平面喷气控制器描述函数的数值计算方法,可用于分析相平面喷气控制器设计参数对描述函数频域特性的影响,介绍了用描述函数法分析相平面喷气控制系统闭环稳定性和稳定裕度的方法,通过示例验证了所提出的分析方法在预报和评估闭环系统稳定性及稳定裕度方面的有效性,以及用该方法指导相平面喷气控制器设计的可行性.
英文摘要：
To analyze the closed-loop stability of the phase-plane jet control system,a method is proposed to obtain the numerical describing function,by which the effects of control variables on the frequency domain properties can be studied. An analysis method is given to decide the stability and the stability margin of the closed-loop system. An instance is given to illustrate how to apply the given methods to predict the stability properties of a designed phase-plance thrust control system effectively. The advantage of this technique in redesigning the phase-plane controller and achieving better robust properties are also illustrated by another example.
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