首页> 外文会议>ASME Turbo Expo vol.1; 20050606-09; Reno-Tahoe,NV(US) >TURBOFAN ENGINE ROBUST H_∞ DYNAMICAL OUTPUT FEEDBACK CONTROL DESIGN BASED ON LMI METHOD
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TURBOFAN ENGINE ROBUST H_∞ DYNAMICAL OUTPUT FEEDBACK CONTROL DESIGN BASED ON LMI METHOD

机译:基于LMI方法的涡扇发动机鲁棒H_∞动态输出反馈控制设计。

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摘要

This paper presents an approach to turbofan engine dynamical output feedback controller(DOFC) design in the framework of LMI(Linear Matrix Inequality)-based H_∞ control. In combination with loop shaping and internal model principle, the linear state space model of a turbofan engine is converted into that of some augmented plant, which is used to establish the LMI formulations of the standard H_∞ control problem with respect to this augmented plant. Furthermore, by solving optimal H_∞ controller for the augmented plant, we indirectly obtain the H_∞ DOFC of turbofan engine which successfully achieves the tracking of reference instructions and effective constraints on control inputs. This design method is applied to the H_∞ DOFC design for the linear models of an advanced multivariate turbofan engine. The obtained H_∞ DOFC is only in control of the steady state of this turbofan engine. Simulation results from the linear and nonlinear models of this turbofan engine show that the resulting controller has such properties as good tracking performance, strong disturbance rejection, and satisfying robustness.
机译:本文提出了一种基于线性矩阵不等式H_∞控制的涡扇发动机动态输出反馈控制器(DOFC)设计方法。结合环路整形和内部模型原理,将涡扇发动机的线性状态空间模型转换为某些扩充工厂的线性状态空间模型,该模型用于针对该扩充工厂建立标准H_∞控制问题的LMI公式。此外,通过求解优化工厂的H_∞控制器,我们间接获得了涡扇发动机的H_∞DOFC,成功实现了对参考指令的跟踪和对控制输入的有效约束。该设计方法应用于高级多元涡扇发动机线性模型的H_∞DOFC设计。所获得的H_∞DOFC仅在控制该涡扇发动机的稳态下。该涡轮风扇发动机的线性和非线性模型的仿真结果表明,所得控制器具有良好的跟踪性能,强大的干扰抑制能力和令人满意的鲁棒性。

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