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Global stability of a saturated nonlinear PID controller for robotic manipulators

    Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

    Abstract

    This paper presents a simple and globally stable nonlinear proportional-integral-derivative (N-PID) controller incorporated with a saturated function design. The proposed controller is formulated by using a new class of saturated function derived from quasi-natural potential function to shape the position and velocity errors. The global asymptotic stability of the controlled system for the setpoint position control is proven. Experiments are performed on an industrial robot manipulator to demonstrate the improved performance of the proposed approach over conventional linear PID controller. © 2006 IEEE.
    Original languageEnglish
    Title of host publicationIEEE International Conference on Intelligent Robots and Systems
    Pages3032-3037
    DOIs
    Publication statusPublished - 2006
    Event2006 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2006 - Beijing, China
    Duration: 9 Oct 200615 Oct 2006
    https://ieeexplore.ieee.org/xpl/conhome/4058334/proceeding

    Conference

    Conference2006 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2006
    PlaceChina
    CityBeijing
    Period9/10/0615/10/06
    Internet address

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 9 - Industry, Innovation, and Infrastructure
      SDG 9 Industry, Innovation, and Infrastructure

    Research Keywords

    • Global stability
    • Nonlinear proportional-integral-derivative (N-PID) control
    • Saturated function
    • Set-point control

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