Active Damping with Collocated System

  • André Preumont
Part of the Solid Mechanics and Its Applications book series (SMIA, volume 246)


This chapter focuses on collocated systems. The property of alternating poles and zeros is used to develop single-input single-output active damping schemes with guaranteed stability for various actuator and sensor types. The following controller are examined: Lead controller, Direct Velocity Feedback (DVF), Positive Position Feedback (PPF), Integral Force Feedback (IFF). The duality between the Lead and the IFF controller is discussed and the formula for the maximum achievable damping is demonstrated. The results are later generalized to the decentralized control of multi-input multi-output structures with collocated pairs. The chapter concludes with a short list of references and a set of problems.


Active damping Collocated system Lead controller Direct velocity feedback (DVF) Positive position feedback (PPF) Integral force feedback (IFF) Duality Maximum damping 


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© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Active Structures LaboratoryUniversité Libre de BruxellesBrusselsBelgium

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