Identification of two-mass mechanical systems in closed-loop speed control

Seppo E. Saarakkala, Marko Hinkkanen

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

13 Citations (Scopus)


This paper presents a method to identify the parameters of a two-mass mechanical system, when the system is operating in closed-loop speed control. When the speed and the torque controllers are known, the proposed method can be applied for the parameter estimation of a system, which has a higher mechanical resonance frequency than the torque-control loop bandwidth. Moreover, if the loading torque is known a priori, the method may be used for systems that are loaded during the identification.
Original languageEnglish
Title of host publication39th Annual Conference of the IEEE Industrial Electronics Society (IECON)
Place of PublicationVienna, Austria
Publication statusPublished - 2013
MoE publication typeA4 Article in a conference publication


  • electric drives
  • identification
  • motion control
  • motor
  • parameter estimation
  • resonant mechanical load
  • torsional oscillation
  • two-mass system


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