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

@article{Saarakkala2013IdentificationOT,
  title={Identification of two-mass mechanical systems in closed-loop speed control},
  author={Seppo E. Saarakkala and Marko Hinkkanen},
  journal={IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society},
  year={2013},
  pages={2905-2910}
}
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. 

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