Time regularization as a solution to mitigate quantization induced performance degradation

Bas Kieft, S.Hassan Hossein Nia *, Niranjan Saikumar

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review


Reset control is known to be able to outperform PID and the like linear controllers. However, in motion control systems, quantization can cause severe performance degradation. This paper shows the application of time regularization to mitigate this practical issue in reset control systems. Numerical simulations have been conducted to analyze the cause of the quantization induced performance degradation and the effectiveness of time regularization to mitigate this degradation; with tuning guidelines for the time regularization parameter also provided. Moreover, a robustness analysis is performed. The solution is also tested experimentally on a high precision motion system for validation. It is estimated by numerical simulations that time regularization can reduce quantization induced performance degradation by almost 10dB. Experiments have similarly shown a reduction of several dB for the high precision motion stage.
Original languageEnglish
Title of host publicationProceedings of the European Control Conference (ECC 2021)
ISBN (Electronic)978-9-4638-4236-5
ISBN (Print)978-1-6654-7945-5
Publication statusPublished - 2021
Event2021 European Control Conference (ECC) - Virtual , Netherlands
Duration: 29 Jun 20212 Jul 2021


Conference2021 European Control Conference (ECC)


  • Reset Control
  • Time Regularization
  • Mechatronics
  • Motion Control
  • Quantization


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