Reset compensation has been used to overcome limitations of linear and time invariant (LTI) compensation. In this work, a new reset compensator, referred to as proportional and integral (PI) + CI (Clegg integrator), is introduced. It basically consists of adding a Clegg integrator to a PI compensator, with the goal of improving the closed loop response by using the nonlinear characteristic of this element. It turns out that by resetting a percentage of the integral term in a PI compensator, a significant improvement can be obtained over a well-tuned PI compensator in some relevant practical cases, such as systems with dominant lag and integrating systems. The work is devoted to the development of PI + CI tuning rules for basic dynamic systems in a wide range of applications, including first and higher order plus dead time systems.
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September 2012
Research Papers
Design of Reset Control Systems: The PI + CI Compensator
Angel Vidal
Angel Vidal
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Alfonso Baños
Professor
Angel Vidal
J. Dyn. Sys., Meas., Control. Sep 2012, 134(5): 051003 (11 pages)
Published Online: June 5, 2012
Article history
Received:
September 8, 2010
Revised:
May 30, 2011
Online:
June 5, 2012
Published:
June 5, 2012
Citation
Baños, A., and Vidal, A. (June 5, 2012). "Design of Reset Control Systems: The PI + CI Compensator." ASME. J. Dyn. Sys., Meas., Control. September 2012; 134(5): 051003. https://doi.org/10.1115/1.4004773
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