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Computer Aided Control Systems Design, 2004 IEEE International Symposium on

Date 2-4 Sept. 2004

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Displaying Results 1 - 25 of 85
  • Robust H2 control of norm-bounded uncertain continuous-time system-an LMI approach

    Publication Year: 2004 , Page(s): 243 - 248
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (615 KB) |  | HTML iconHTML  

    This paper considers robust H2 control problem of continuous-time systems with time-varying norm-bounded uncertainties. A necessary and sufficient condition for the analysis of robust H2 control is derived in the form of linear matrix inequalities (LMI). Using the analysis result, a state feedback controller and a dynamic output feedback controller are designed respectively s... View full abstract»

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  • Transient response shaping in H control by loose eigenstructure assignment technique

    Publication Year: 2004 , Page(s): 225 - 230
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (674 KB) |  | HTML iconHTML  

    This paper proposes a design technique of state-feedback H control with transient response shaping. For direct transient response shaping, loose eigenstructure assignment technique is a effective technique. By using this technique, each of closed-loop eigenvalues (poles) and eigenvectors are assigned in the corresponding eigenvalue regions and eigenvector cones individually. The ... View full abstract»

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  • An LMI approach to L2 gain analysis and control synthesis of switched systems

    Publication Year: 2004 , Page(s): 350 - 355
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (642 KB) |  | HTML iconHTML  

    This paper investigates the L2 gain analysis and control synthesis of discrete-time switched systems under arbitrary switching by linear matrix inequality (LMI) approach together with switched Lyapunov function method. First, the existence of a switched Lyapunov function is proven to be equivalent to the feasibility of some LMIs. An upper bound of the L2 gain for switched sys... View full abstract»

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  • The H2 control problem with internal stability

    Publication Year: 2004 , Page(s): 107 - 114
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (754 KB) |  | HTML iconHTML  

    A solution of the H2 control problem is presented for linear systems described by rational transfer matrices. These rational matrices are not required to be proper and no assumption is made on the location of their poles and zeros. The control system is considered in the standard configuration, which includes the synthesis model of the plant and the controller. The H2 control... View full abstract»

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  • 2004 IEEE International Symposium on Computer Aided Control Systems Design (IEEE Cat. No.04TH8770)

    Publication Year: 2004
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  • [Breaker page]

    Publication Year: 2004 , Page(s): 0_2
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  • 2004 IEEE International Symposium on Computer Aided Control Systems Design

    Publication Year: 2004 , Page(s): 0_3
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  • Copyright page

    Publication Year: 2004 , Page(s): 0_4
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  • Foreword

    Publication Year: 2004 , Page(s): i - iii
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  • [Breaker page]

    Publication Year: 2004 , Page(s): iv
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  • Conference organization

    Publication Year: 2004 , Page(s): v - vii
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  • International Program Committee

    Publication Year: 2004 , Page(s): viii
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  • National Program Committee

    Publication Year: 2004 , Page(s): ix - x
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  • Table of contents

    Publication Year: 2004 , Page(s): xi - xv
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  • [Breaker page]

    Publication Year: 2004 , Page(s): xvi
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  • KYPD: a solver for semidefinite programs derived from the Kalman-Yakubovich-Popov lemma

    Publication Year: 2004 , Page(s): 1 - 6
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (364 KB) |  | HTML iconHTML  

    Semidefinite programs derived from the Kalman-Yakubovich-Popov lemma are quite common in control and signal processing applications. The programs are often of high dimension making them hard or impossible to solve with general-purpose solvers. KYPD is a customized solver for KYP-SDPs that utilizes the inherent structure of the optimization problem thus improving efficiency significantly View full abstract»

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  • Advanced axis control implementation within a virtual machine-tool environment

    Publication Year: 2004 , Page(s): 7 - 12
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (427 KB) |  | HTML iconHTML  

    Improvements in tracking performances are significant using generalized predictive control laws as machine tool feed drives control. Nevertheless, testing user-built control modules within a real CNC machine tool designed under a closed architecture is not straightforward. The creation of a virtual machining centre appears therefore as a solution to this problem. The paper presents developments of... View full abstract»

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  • Quantitative I/O-controllability assessment for uncertain plants

    Publication Year: 2004 , Page(s): 13 - 18
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (372 KB) |  | HTML iconHTML  

    This paper deals with the calculation of the optimal control performance for linear time invariant plant models in the context of the screening of possible control structures. Compared to other approaches, e.g. the use of the relative gain array or other controllability indices, the proposed computation of the attainable control performance gives a quantitative assessment of a control structure wi... View full abstract»

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  • Sampled-data control toolbox: object-oriented software for sampled-data feedback control systems

    Publication Year: 2004 , Page(s): 19 - 24
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (325 KB) |  | HTML iconHTML  

    A MATLAB toolbox for analysis and design of sampled-data feedback control systems is developed. The package is an object-oriented library: several classes are defined for concerning systems and signals including sampled-data systems. Functions and operators are overloaded in the class definitions. Moreover, the implementation of analysis and design algorithms for sampled-data systems is also in an... View full abstract»

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  • Enhanced LFR-toolbox for MATLAB

    Publication Year: 2004 , Page(s): 25 - 29
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (378 KB) |  | HTML iconHTML  

    We describe recent developments and enhancements of the LFR-toolbox for MATLAB for building LFT-based uncertainty models. A major development is the new LFT-object definition supporting a large class of uncertainty descriptions: continuous- and discrete-time uncertain models, regular and singular parametric expressions, more general uncertainty blocks (nonlinear, time-varying, etc.). By associatin... View full abstract»

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  • The development of finite element method package in CEMTool

    Publication Year: 2004 , Page(s): 30 - 34
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (339 KB) |  | HTML iconHTML  

    CEMTool is a command style design and analyzing package for scientific and technological algorithm and a matrix based computation language. In this paper, we present new FEM (finite element method) package in CEMTool environment. In contrast to the existing MATLAB PDE Toolbox, our proposed FEM package can deal with the combination of the reserved words. Also, we can control the mesh in a very effe... View full abstract»

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  • Optimal hybrid control for switched affine systems under safety and liveness constraints

    Publication Year: 2004 , Page(s): 35 - 40
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (434 KB) |  | HTML iconHTML  

    In this contribution, we propose a two-level hierarchical control strategy to solve the problem of minimising a cost function for a switched affine system under safety and liveness constraints. The constraints are handled on the lower level by a discrete supervisory controller designed using l-complete approximation. Its action can be represented as state invariants added to the plant model. In a ... View full abstract»

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  • Control input synthesis for hybrid systems using informed search

    Publication Year: 2004 , Page(s): 41 - 46
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (403 KB) |  | HTML iconHTML  

    We present a method for synthesizing a sequence of robust control inputs for a class of hybrid systems. Our goal is the generation of a control sequence that drives the system from a given initial state set to a pre-specified goal set without violating constraints on the system state, under the assumption that the hybrid system is exposed to bounded disturbances. We use a technique that combines d... View full abstract»

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  • Formal approach to compute hybrid automata models for linear physical systems with switches

    Publication Year: 2004 , Page(s): 47 - 52
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (423 KB) |  | HTML iconHTML  

    This paper considers the computation of a hybrid automaton that models the behaviour of a switching linear physical system using energy considerations. The system is represented in a compositional way with bond graphs that include switches. In a first step the switches are considered from a functional point of view. This allows to determine the locations that are associated to consistent configura... View full abstract»

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  • Algorithmic verification of logic controllers given as sequential function charts

    Publication Year: 2004 , Page(s): 53 - 58
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (423 KB) |  | HTML iconHTML  

    The a-posteriori analysis of logic controllers can be a suitable means to detect design flaws if the controller was not developed by a synthesis algorithm that correctly considered all relevant requirements. This paper advocates the verification of logic controllers with a special focus on the following three issues: (a) the control code is given as a sequential function chart (SFC), a description... View full abstract»

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