Design of a robust PID-control switching scheme for an electrostatic micro-actuator

Marialena Vagia, George Nikolakopoulos, Antonios Tzes

    Research output: Contribution to journalArticle

    Abstract

    In this article, a robust switching PID controller coupled to a feedforward compensator is designed for set-point regulation of an electrostatic micro-actuator. The nonlinear model of the actuator is linearized at multiple operating points and based on LMI-theory stabilizing optimal PID controllers are designed. The parameters of the PID controllers vary according to the neighborhood of the operating point and switch between the sets of the locally stabilizing PID controllers. Each PID controller stabilizes the convex hull formed by the current and neighboring linearized subsystems of the electrostatic micro-actuator indexed according to the operating point. Simulation studies are used for testing the efficiency of the suggested scheme.

    Original languageEnglish (US)
    Pages (from-to)1321-1328
    Number of pages8
    JournalControl Engineering Practice
    Volume16
    Issue number11
    DOIs
    StatePublished - Nov 1 2008

    Fingerprint

    Microactuator
    PID Control
    Three term control systems
    PID Controller
    Robust control
    Robust Control
    Electrostatics
    Actuators
    Controllers
    Compensator
    Feedforward
    Convex Hull
    Point Sets
    Nonlinear Model
    Actuator
    Switch
    Subsystem
    Switches
    Design
    Simulation Study

    Keywords

    • LMIs
    • MEMS
    • Micro-actuator
    • Robust PID-controller design
    • Switching control

    ASJC Scopus subject areas

    • Control and Systems Engineering
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering

    Cite this

    Design of a robust PID-control switching scheme for an electrostatic micro-actuator. / Vagia, Marialena; Nikolakopoulos, George; Tzes, Antonios.

    In: Control Engineering Practice, Vol. 16, No. 11, 01.11.2008, p. 1321-1328.

    Research output: Contribution to journalArticle

    Vagia, Marialena ; Nikolakopoulos, George ; Tzes, Antonios. / Design of a robust PID-control switching scheme for an electrostatic micro-actuator. In: Control Engineering Practice. 2008 ; Vol. 16, No. 11. pp. 1321-1328.
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