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This paper investigates the problem of H∞ filter design for a class of nonlinear systems. Attention is focused on solving the H∞ fuzzy filter designed problem for interval type-2 (IT2) fuzzy systems. By using Lyapunov stability theory, an IT2 filter is designed such that the filtering error system is asymptotically stable with the prescribed H∞ performance levels. The existence condition of the IT2...
In this paper, the problems of stability for switched positive linear systems (SPLSs) under arbitrary switching are investigated in a continuous-time context. The so-called “copositive polynomial Lyapunov function” (CPLF) giving a generalization of copositive types of Lyapunov function is first proposed, which is formulated in a higher order form of the positive states of the underlying systems. It...
The variable time delay and the packet loss degrade the performance of Internet based teleoperation system seriously, even make the system unstable. Building upon the results of our recent work in [1], a provably stable event-prediction based control strategy is proposed for variable delay teleoperation. A Path Governor(PG) at master site, Generalized Predictive Controller (GPC) at slave site and...
A terminal sliding mode controller is designed for a generic air-breathing hypersonic vehicles (AHVs). The model of AHVs is nonlinear, and includes uncertain parameters and intricate coupling between the engine and flight dynamics. An affine form of the longitudinal model is obtained by input/output linearization, and then a controller is designed by using terminal sliding mode method. The terminal...
In this paper, a new method based on multi-layered dynamic neural group network for analyzing event series is introduced. By the embedded multiple parallel structures, the new method can identify the character patterns contained in the event series. Then, a selective evaluation strategy is applied to integrate the different pattern clusters and predict the event in the next step. The aim is to generate...
The variable time delay and the packet loss degrade the performance of Internet based teleoperation system severely, even make the system unstable. Most of the previous work on Internet-based teleoperations rest on many assumptions, for example, time delay is constant or has upper bound, control is not in real-time. This paper presents a new predictive control strategy for the Internet based teleoperation...
The variable time delay and the packet loss degrade the performance of Internet based teleoperation system seriously, even make the system unstable. To overcome the trouble, an idea that using CARIMA model of the linearized slave robot to design a controller based on the Generalized Predictive Control (GPC) method is proposed in this paper. We place the GPC controller at the remote site. First of...
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