Modelling and control of the flame temperature distribution using probability density function shaping

Xubin Sun, Hong Yue, Hong Wang

    Research output: Contribution to journalArticlepeer-review


    This paper presents three control algorithms for the output probability density function (PDF) control of the 2D and 3D flame distribution systems. For the 2D flame distribution systems, control methods for both static and dynamic flame systems are presented, where at first the temperature distribution of the gas jet flames along the cross-section is approximated. Then the flame energy distribution (FED) is obtained as the output to be controlled by using a B-spline expansion technique. The general static output PDF control algorithm is used in the 2D static flame system, where the dynamic system consists of a static temperature model of gas jet flames and a second-order actuator. This leads to a second-order closed-loop system, where a singular state space model is used to describe the dynamics with the weights of the B-spline functions as the state variables. Finally, a predictive control algorithm is designed for such an output PDF system. For the 3D flame distribution systems, all the temperature values of the flames are firstly mapped into one temperature plane, and the shape of the temperature distribution on this plane can then be controlled by the 3D flame control method proposed in this paper. Three cases are studied for the proposed control methods and desired simulation results have been obtained. © 2006 The Institute of Measurement and Control.
    Original languageEnglish
    Pages (from-to)401-428
    Number of pages27
    JournalTransactions of the Institute of Measurement and Control
    Issue number5
    Publication statusPublished - 2006


    • B-spline expansion and model predictive control
    • Flame temperature distribution probability density function (PDF)


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