Affiliation:
1. Department of Electrical Engineering , Sardar Vallabhbhai National Institute of Technology , Surat , India
Abstract
Abstract
In this article, a unified control scheme is proposed for dead-time compensation and disturbance rejection via feedback and feedforward controller. The objectives of this work are suggested in two folds, first tuning of fractional order feedback controller via delayed Bode’s ideal transfer function instead of conventional Bode’s ideal transfer function with the benefits of dead time compensator and second feedforward controller for disturbance rejection. An existing method is utilized for comparison with the proposed scheme. To examine the efficacy of the proposed method robustness test is also carried out via sensitivity analysis. For quantifiable evaluation of the proposed scheme Integral Absolute Error (IAE) and Integral Square Error (ISE) are utilized. For the usefulness of the proposed scheme, two practical problems are demonstrated in this paper. The limpidity and instinctive appeal of the proposed scheme make it beautiful for industrial applications.
Subject
Modelling and Simulation,General Chemical Engineering
Reference33 articles.
1. Seborg, D, Thomas, FE, Ducan, AM. Process dynamics and control. John Wiley & Sons; 2004.
2. Marlin, TE. Designing processes and control systems for dynamic performance. McGraw-Hill; 1995.
3. Astrom, KJ, Murray, RM. Feedback system: an introduction for scientist and engineers. Princeton University Press; 2008.
4. Podlubny, I. Fractional-order systems and PIλDμ controller. IEEE Trans Automat Contr 1999;44:208–14. https://doi.org/10.1109/9.739144.
5. Bettayeb, M, Mansouri, M. IMC-PID-fractional-filter controllers for integer order system. ISA (Instrum Soc Am) Trans 2014;53:1624–8. https://doi.org/10.1016/j.isatra.2013.11.014.