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第三十届中国控制会议

作者： LI Hui,PENG Li-Yuan,JU He-Hua Academy of Electronic Information And Control Engineering,Beijng University of Technology,Beijing 100124,P.R.China

＜正＞This paper deals with the robust and parameter-dependent PID controller design problem in finite frequency domain for linear parameter varying（lpv） systems with bounded *** reduce the design conservatism,three finite frequency domain performance criteria with parameter-dependent PID controller design are presented to measure the sensitivity reduction and the stability margin and the disturbances robustness in various frequency *** the aid of the newly developed linearization techniques,the design methods are presented in terms of solutions to a set of linear matrix inequalities（LMIs）.A numerical example is given to illustrate the effectiveness of the proposed methods.

关键词： Robust PID Control lpv systems Finite Frequency Parameter-Dependent PID Controller LMIs

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Robust Reliable Tracking Controller Design Against Actuator Faults for lpv systems with State Feedback

Robust Reliable Tracking Controller Design Against Actuator ...

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第二十九届中国控制会议

作者： SONG Lei,YANG Jianying State Key Lab of Turbulence and Complex systems,College of Engineering,Peking University,Beijing 100871,P.R.China

This paper studies the robust reliable tracking controller design problem against actuator faults for linear parameter varying（lpv）***,model of actuator faults is *** a reliable robust tracking controller design method is *** method is based on a newly proposed stability condition for lpv systems,which is a more general condition than the existed *** important contribution of this method is that it could handle the actuator outage faults case without performance degradation due to the extra freedom degree introduced by a new slack variable in the stability *** example for autopilot design of a bank-to-turn（BTT）missile is given to show the effectiveness and superiority of our method.

关键词： Reliable Control lpv systems Actuator Fault LMI Parameter-Dependent Lyapunov Function

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A Parameter-dependent Anti-windup Compensation Design for lpv systems Subject to Actuator Saturation

A Parameter-dependent Anti-windup Compensation Design for LP...

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第25届中国控制会议

作者： Ma Dongxing,Cao Yongyan,Pi Daoying National Laboratory of Industrial Control Technology, Institute of Modern Control Engineering,Zhejiang University, Hangzhou 310027

＜正＞Different from the conventional constant anti-windup compensation compensator design, the proposed scheme in this paper depends on the time-varying parameters to reduce the conservatism in obtaining the best performance of the closed-loop system subject to actuator saturation. The estimation of the system performance under the given parameter-dependent compensation gains is also formulated to a linear matrix inequality （LMI） problem,and hence is numerically tractable. The design of the parameter-dependent anti-windup compensator is formulated and solved as an iterative optimization problem with LMI constraints. Numerical examples are presented to illustrate the effectiveness of the proposed design technique.

关键词： lpv systems Actuator saturation And-windup Compensation Parameter-dependent design

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Switching H2 Filter Design for lpv systems with Hysteresis Switching Logic

Switching H2 Filter Design for LPV Systems with Hysteresis S...

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第二十九届中国控制会议

作者： WANG Heng,JU Hehua,LI Hui College of Electronic Information and Control Engineering,Beijing University of Technology,Beijing 100124,P.R.China.

This paper studies the problem of switching H2 filter design for linear parameter varying（lpv）systems via multiple parameter-dependent Lyapunov *** conservative conditions are obtained when considering the hysteresis switching compared with the existing techniques,the design problem is finally formulated into linear matrix inequality（LMI）which can be computed efficiently with LMI Control Toolbox.A numerical example is given to illustrate the effectiveness of the proposed method.

关键词： H2 Filtering lpv systems Hysteresis Switching Linear Matrix Inequality

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Design of observer-based controllers for lpv systems with unknown parameters

Design of observer-based controllers for LPV systems with un...

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Joint 48th IEEE Conference on Decision and Control and 28th Chinese Control Conference

作者： W.P.M.H.Heemels J.Daafouz G.Millerioux Eindhoven University of Technology Dept.of Mechanical EngineeringControl Systems Technology Nancy University Centre de Recherche en Automatique de Nancy

Output-based feedback control of lpv systems is an important problem, as in practice it is rarely the case that the full state variable is available for feedback. In this paper we consider this problem in the case of discrete-time lpv systems for which the parameters are not exactly known,but only available with a finite accuracy or affected by noise during their measurement. The controllers are obtained using a separate design of an observer and a state feedback and the interconnection is proven to stabilize the lpv system despite the mismatch between the true and available parameters. The approach allows to maximize the parameter uncertainty while still guaranteeing closed-loop stability. In addition, it is possible to make tradeoffs between the admissible level of mismatch on the one hand and the performance in terms of decay factors on the other. All the design conditions will be formulated in term of LMIs, which can be solved efficiently, as is also illustrated by a numerical example.

关键词： lpv systems output feedback and observers robust control LMIs separation principle

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Switching Control for lpv Polytopic systems Using Multiple Lyapunov Functions

Switching Control for LPV Polytopic Systems Using Multiple L...

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第三十届中国控制会议

作者： DIMIROVSKI Georgi M. School of Engineering Dogus UniversityTR-34722IstanbulR.Turkey

In this paper,we study the switching control for a linear parameter varying(lpv) polytopic system using multiple Lyapunov functions to improve the system’s H ,*** the large range of parameter varying,we divide the parameter region into small subregions and find a suitable Lyapunov function for each parameter *** the average dwell time switching logic,a sufficient Linear Matrix inequality(LMI) condition is proposed to guarantee the *** proposed control scheme is applied to an active magnetic bearing system.

关键词： lpv systems Polytopic Parameters Multiple Lyapunov Functions LMIs

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Design and control of deformable quadrotor with varying length arms

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Science China(Technological Sciences) 2023年第5期66卷 1225-1234页

作者： SUN YiChong XIE MingNa LI YeHui NG WingYin ZHANG Heng LI Zheng Multi-Scale Medical Robotics Centre The Chinese University of Hong KongHong Kong 999077China Department of Surgery The Chinese University of Hong KongHong Kong 999077China Department of Electrical and Electronic Engineering The University of Hong KongHong Kong 999077China College of Optoelectronic Engineering Chongqing UniversityChongqing 400044China

Deformable quadrotors can manipulate their specific structure for specialized tasks or excellent flight performance under diverse *** added deformation mechanism,the quadrotor exhibits higher flexibility;however,this is accompanied by difficulties in modeling analysis and controller design,which are crucial ***,a novel deformable quadrotor that can alter its arm's length is designed by combining the crank-slider mechanism and *** dynamics,including the attitude and position systems,are analyzed and the former is further described as switched linear parameter varying(Slpv)systems from a control-oriented *** addition,a combined Slpv/proportion-integration-differentiation(PID)attitude controller is developed to handle different deformable quadrotor modes,which guarantees the stability of the closed-loop attitude system during the deformation process and achieves attitude ***,together with the cascade PID position controller,the entire flight controller is constructed whose feasibility is verified via fixed-point hovering and trajectory tracking experiments.

关键词： deformable quadrotor mechanics and control lpv systems switched control strategy specialized aerial system

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维普期刊数据库

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Gain-scheduled L-one control for linear parameter-varying systems with parameter-dependent delays

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控制理论与应用（英文版） 2011年第4期9卷 617-623页

作者： Yanhui LI Yan LIANG Electrical and Information Engineering College Northeast Petroleum University Daqing Heilongjiang 163318 China

This paper deals with the problem of gain-scheduled L-one control for linear parameter-varying （lpv） systems with parameter-dependent delays. The attention is focused on the design of a gain-scheduled L-one controller that guarantees being an asymptotically stable closed-loop system and satisfying peak-to-peak performance constraints for lpv systems with respect to all amplitude-bounded input signals. In particular, concentrating on the delay-dependent case, we utilize parameter-dependent Lyapunov functions （PDLF） to establish peak-to-peak performance criteria for the first time where there exists a coupling between a Lyapunov function matrix and system matrices. By introducing a slack matrix, the decoupling for the parameter-dependent time-delay lpv system is realized. In this way, the sufficient conditions for the existence of a gain-scheduled L-one controller are proposed in terms of the Lyapunov stability theory and the linear matrix inequality （LMI） method. Based on approximate basis function and the gridding technique, the corresponding controller design is cast into a feasible solution problem of the finite parameter linear matrix inequalities. A numerical example is given to show the effectiveness of the proposed approach.

关键词： Gain-scheduled L-one control lpv systems Parameter-dependent delays Parameter-dependent Lyapunov functions

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维普期刊数据库

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Smooth Switching Output Tracking Control for a Class of Linear Time-Varying systems:An LMI Approach

Smooth Switching Output Tracking Control for a Class of Line...

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第二十九届中国控制会议

作者： SONG Lei,YANG Jianying State Key Lab of Turbulence and Complex systems,College of Engineering,Peking University,Beijing 100871,P.R.China

This paper is concerned with the problem of smooth switching state feedback controller design for aircraft dynamic systems with multiple operating *** on the theory of robust control,a single state feedback controller which considers the pole placement requirements and smooth switching is *** the constant controller,the closed-loop system can track a given reference signal with desired performance during the whole operating ***,an important superiority of this presented method compared to traditional method is that the output chattering can be considerably reduced by the designed constant controller in the switching process when the flight condition *** example for autopilot design of a BTT missile is given to illustrate the effectiveness of the proposed approach.

关键词： Output Tracking Control Smooth Switching lpv systems LMI BTT Missile

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