Absolute stability attracted much attention in the 1960s. Several stability conditions for loops
with slope-restricted nonlinearities were developed. Results such as the Circle Criterion and …

Circumferentially grooved, annular liquid seals typically exhibit good whirl frequency ratios
(WFRs) and leakage reduction, yet their low effective dam** can lead to instability. The …

Different classes of multipliers have been proposed in the literature for obtaining stability
criteria using passivity theory, integral quadratic constraint (IQC) theory or Lyapunov theory …

In this work the input amplitude saturation problem is analysed in the Quantitative Feedback
Theory (QFT) framework. This paper reviews previous works in the literature dealing with the …

On the basis of the fact that all signals in the practical system are always bounded, this
paper proposes a practical QFT-based approach for the synthesis of anti-windup …

This paper devotes to the robust stability problem for an uncertain linear time invariant (LTI)
feedback system with actuator saturation nonlinearity. Based on a three degree of freedom …

This paper presents a new perspective on the stability problem for uncertain LTI feedback
systems with actuator input amplitude saturation. The solution is obtained using the …

Most control techniques require the use of a plant model during the design phase in order to
tune the controller parameters. The mathematical models are an approximation of real …

比例–积分–微分(PID) 控制的抗饱和设计是一类经典非线性控制问题, 理论研究丰富,
但工程中广泛使用的仍是积分退饱和这类简易策略. 究其原因, 现有理论方法过于依赖系统模型 …

This paper presents a loop shape method based on Quantitative Feedback Theory (QFT) for
a PI control system in the presence of actuator saturation and potentially large parametric …