High-Gain Observers in Nonlinear Feedback Control

智力优势：研究了使用高增益观测器的非线性系统的输出反馈控制设计。这项研究将解决两个具有挑战性的问题。首先，它将解决非最小相位非线性系统的稳定和调节使用高增益观测器。非最小相位系统对反馈控制的设计提出了挑战，即使是线性系统。这项研究将建立在最近的结果，主要研究者设计监管机构使用条件伺服补偿器和使用扩展的高增益观察员作为虚拟传感器。要使这些设计可行，需要解决具有挑战性的技术问题。 其次，该研究将解决在噪声环境中使用高增益观测器的挑战性问题。新的设计，使用非线性增益来改变在瞬态和稳态操作的观察器的有效增益将被开发和experimented.Broader影响：该项目的成果之一将是一个研究专著的非线性反馈控制中的高增益观察器。拟议的活动将扩大代表性不足群体的参与。密歇根州立大学的幼儿教育系有一个积极的计划，招收妇女和少数民族博士。学生

Intellectual Merit:Research is conducted on the design of output feedback control of nonlinear systems using high-gain observers. The research will tackle two challenging problems. First it will address the stabilization and regulation of non-minimum phase nonlinear systems using high-gain observers. Non-minimum phase systems pose a challenge in the design of feedback control, even for linear systems. The research will build on recent results by the principal investigator on designing regulators using conditional servocompensators and the use of extended high-gain observers as virtual sensors. There are challenging technical problems that need to be solved to make these designs feasible. Second, the research will tackle the challenging problem of using high-gain observers in a noisy environment. New designs that use nonlinear gains to change the effective gain of the observer during transient and steady-state operation will be developed and tested experimentally.Broader Impacts:One outcome of the project will be a research monograph on high-gain observers in nonlinear feedback control. The proposed activity will broaden participation of underrepresented groups. The ECE Department at Michigan State University has an active program to recruit women and minority Ph.D. students.