Adaptive control for NOx removal in non-thermal plasma processing

Peter A. Gorry, J. Christopher Whitehead, Jinhui Wu

    Research output: Contribution to journalArticlepeer-review


    This paper presents results on NOx removal using a dielectric packed-bed plasma reactor where the reactor energy is varied in real time to optimise NOx removal. An automated system has been developed using computer-control with an industry standard software package, a multifunction DAQ card, on-line fast FTIR spectroscopy and adaptive PID algorithms. The automatic control system has demonstrated real-time control of plasma conditions which minimises the input energy for NO conversion for a range of input NO concentrations. The dependence of [NO]out on deposited energy density has been used to create a multidimensional response surface for NO destruction. This, in turn, has been used to create a fully validated process control model of the entire reactor-FTIR-adaptive PID system. © 2007 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
    Original languageEnglish
    Pages (from-to)556-562
    Number of pages6
    JournalPlasma Processes and Polymers
    Issue number5
    Publication statusPublished - 25 Jul 2007


    • AC barrier discharges
    • FT-IR
    • Nonthermal plasma
    • Process control


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