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UID:event-64@tuemeche.nl
DTSTAMP:20261007T234656Z
DTSTART;TZID=Europe/Amsterdam:20261104T110000
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SUMMARY:Adaptive Differentiating Filter: a solution to the sensitivity tr
 ade-off
DESCRIPTION:Speaker: Alexey Pavlov (NTNU)\nHost: Nathan van de Wouw\n\nAb
 stract:  In many control and process monitoring applications\, one needs 
 to estimate the derivative of a signal. Standard differentiating filters 
 commonly suffer from the trade-off: reducing the filter bandwidth to impr
 ove noise sensitivity also reduces it for the useful signal\, leading to 
 smoothed-out high-frequency peaks of the useful signal. In this talk\, we
  present the Adaptive Differentiating Filter (ADF) – a causal real-time
  filter which solves this trade-off problem. It demonstrates low sensitiv
 ity to low-amplitude/high frequency measurement noise\, while preserving 
 a wide bandwidth for large-amplitude changes in the process signal. The p
 resentation discusses and demonstrates the filter's favourable performanc
 e properties in two practical case-studies: 1) a PID feedback controller 
 for a mechatronic application and 2) monitoring of industrial process sig
 nals. It also compares it experimentally with a standard linear low-pass 
 filter-based differentiator and a state-of-the-art robust sliding-mode-ba
 sed homogeneous differentiator.  \nBio: Alexey Pavlov obtained his M.Sc. 
 degree (cum laude) in Applied Mathematics from St. Petersburg State Unive
 rsity\, Russia\, and Ph.D. degree in Mechanical Engineering from Eindhove
 n University of Technology\, The Netherlands in 1998 and 2004\, respectiv
 ely. Currently\, he holds a full professor position at the Department of 
 Geosciences of the Norwegian University of Science and Technology (NTNU).
  Prior to that\, he held various academic and industrial positions at the
  Institute for Problems of Mechanical Engineering\, Russia (1999)\, Ford 
 Research Laboratory\, USA (2000)\, Eindhoven University of Technology (20
 05)\, NTNU (2005–2009)\, Equinor Research Centre\, Norway (2009–2016)
 . He published the book ’Uniform Output Regulation of Nonlinear Systems
 : A convergent Dynamics Approach’ with N. van de Wouw and H. Nijmeijer 
 (Birkhauser\, 2005). Alexey received the IEEE Control Systems Technology 
 Award (2015) ‘‘For the development and application of variable-gain c
 ontrol techniques for high-performance motion systems’’ (together wit
 h M. Heertjes\, H. Nijmeijer and N. van de Wouw)\, and the IFAC World Con
 gress Best Application Paper Award (2011) for the work ‘‘Drilling see
 king automatic control solutions”. His inventions within automatic opti
 mization are implemented and used in several offshore fields. His current
  research interests include control of nonlinear systems\, control and op
 timization of highly uncertain systems\, automation and digitalization in
  the energy industry and various industrial applications of automatic con
 trol and optimization.
LOCATION:Pendulum 3.26
URL:https://tuemeche.nl/peoplepages/event.php?id=64
CATEGORIES:External Speaker / Section Colloquium
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