摘要
基于动柔度法的颤振主动控制器设计可基于实验获得相应模型参数,进行控制器参数求解,但目前基于动柔度法的控制器在设计时忽略了大量气动伺服弹性模型的耦合项,导致控制器适用性不高.本文以AGARD机翼气动伺服弹性模型为对象,构造包含控制面耦合影响的气动伺服弹性模型,提出了考虑控制面耦合影响的基于动柔度法颤振主动控制器设计方法,并与原始控制器进行对比,最后研究了任意来流速度下控制器参数拟合.仿真结果表明,采用原始方法设计的控制器难以应用于存在控制面耦合影响的气动伺服弹性模型中,而基于本文推导的新型动柔度法颤振主动控制器可精确配置闭环系统特征根,满足设计需求,采用低于开环颤振速度的设计点设计固定参数的颤振主动控制器,可使颤振动压提升30%.
The flutter active controller design based on receptance method can obtain the corresponding model parameters based on the experimental model and carry out the controller parameter solving.However,the current controller design based on receptance method ignores a large number of coupling terms of the aerodynamic servoelastic model,resulting in low applicability of the controller.In this paper,the AGARD wing aeroservoelastic model is taken as the object to construct the aeroservoelastic model including the coupling effect of the control surface.A receptance method based on the active flutter controller design considering the coupling effect of the control surface is proposed,and compared with the original controller.Finally,the controller parameter fitting is studied at any incoming flow velocity.The simulation results show that the controller designed by the original method is difficult to be applied to the aeroservoelastic model with the influence of control surface coupling.However,the new receptance method active flutter controller derived in this paper can accurately configure the characteristic roots of the closed-loop system to meet the design requirements.The active flutter controller with fixed parameters is designed at a design point lower than the open-loop flutter speed,which can increase the flutter pressure by 30%.
作者
杨执钧
张忠
高博
郭静
Yang Zhijun;Zhang Zhong;Gao Bo;Guo Jing(Science and Technology on Reliability and Environment Engineering Laboratory,Beijing Institute of Structure and Environment Engineering,Beijing 100076,China)
出处
《动力学与控制学报》
2025年第8期59-67,共9页
Journal of Dynamics and Control
基金
国家自然科学基金资助项目(12402007)。
关键词
柔性机翼
颤振
动柔度法
主动颤振抑制
flexible wing
flutter
receptance method
active flutter suppression
