H feedback and feedforward controller design for active vibration isolators

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Active vibration isolation is essential for industrial high-precision systems to suppress both floor vibrations and direct disturbance forces. This paper proposes a systematic H feedback and feedforward controller design to suppress both types of disturbances with minimum amplification of sensor noise. Regarding the latter, parametric disturbance and noise models are used in the design. The resulting H controller is shown to have disturbance rejection properties similar to a manually tuned controller but with less noise amplification and actuator drift.

Original languageEnglish
Pages (from-to)13384-13389
Number of pages6
Issue number1
Publication statusPublished - 1 Jul 2017
Event20th World Congress of the International Federation of Automatic Control (IFAC 2017 World Congress) - Toulouse, France
Duration: 9 Jul 201714 Jul 2017
Conference number: 20


  • Active vibration isolation
  • control design
  • H-infinity control
  • sensor mixing


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