Auto-Tuning Proportional-Type Synchronization Algorithm for DC Motor Speed Control Applications

Chae Rin Lee, Seok Kyoon Kim, Choon Ki Ahn

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


This brief proposes an auto-tuning proportional-type synchronization controller for dc motor speed applications with consideration of parameter and load variations. The proposed algorithm is comprised of two parts: a proportional-type speed tracking controller with a disturbance observer (DOB) and second a synchronizer driven by an auto-tuning algorithm. The first feature is to propose an auto-tuning synchronizer to reduce synchronization error during transient operations. The second is to introduce a DOB so that the proportional-type controller guarantees tracking and synchronization performance recovery without offset error. Experimental data is provided to convincingly show the effectiveness of the suggested scheme using a 50-W dual dc motor drive system.

Original languageEnglish
Article number8707954
Pages (from-to)521-525
Number of pages5
JournalIEEE Transactions on Circuits and Systems II: Express Briefs
Issue number3
Publication statusPublished - 2020 Mar


  • DC motor
  • auto-tuner
  • disturbance observer
  • speed synchronization

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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