Supported by the Czech Science Foundation
Delay-based signal shapers are very popular in a vibration control application for their simple implementation and very good performance. The project focuses on the application of design of signal shapers using various types of distributed time delays. Next to the classical feed-forward application, a special attention is paid to the implementation of the shapers in the feedback loops, particularly in the inverse form. The theoretical results are widely tested using both simulation and experimental tests.
- Dr. Martin Hromcik and Milan Anderle
Department of Control Engineering, Faculty of Electrical Engineering, CTU in Prague
T. Vyhlidal, M. Hromcik, V. Kucera.,Design and analysis of smoothed signal shapers with delays of various distribution, Submited to IEEE Transactions on Control Systems Technology
Vyhlidal T., Hromcik M., Kucera V. Anderle M., On feedback architectures with zero vibration signal, Accepted IEEE Transaction on Automatic Control as regular paper
Vyhlidal, Tomas, Kucera, Vladimir, Hromcik, Martin, :Signal shaper with a distributed delay: Spectral analysis and design , AUTOMATICA , 2013 , pp.: 3484-3489 ,
Vyhlidal T., Hromcik M., Parametrization of input shapers with delays of various distribution, In: AUTOMATICA 59, 2015, pp:256-263,
Vyhlidal T., Kucera V., Hromcik M, Zero vibration shapers with distributed delays of various types, 52nd Conference on Decision and Control CDC 2013, Florence, Italy, December 10-13, 2013.
T. Vyhlidal, M. Hromcik, V. Kucera. Inverse signal shapers in effective feedback architecture. European Control Conference 2013, Zurich, June 1-3, 2013.
T. Vyhlidal, V. Kucera, M. Hromcik,Spectral features of ZVD shapers with lumped and distributed delays, In Proc. of IEEE Asian Control Conference, Istanbul, Turkey.
Tomas Vyhlidal, Martin Hromcik, Vladimir Kucera, Milan Anderle, Double oscillatory mode compensation by inverse signal shaper with distributed delays, submited to ECC 2014, Strasbourg, France.
On feedback architectures with zero vibration signal (IEEE transaction on automatic control)
- 0:00-0:29 – Set-point response and disturbance rejection of the closed loop with no signal shaping. Disturbance performed by manual displacement of the controlled cart. Considerable oscillations occur at both the flexible subsystems.
- 0:30-0:55s – Suppression of pendulum oscillations by including inverse distributed delay shaper to the feedback loop. The pendulum oscillations well compensated for both the set-point response and the disturbance rejection.
- 1:00-1:20s – Suppression of free cart oscillations by including inverse distributed delay shaper to the feedback loop. Oscillations of the passive cart compensated well for both the set-point response and the disturbance rejection.
- 1:23-1:39s – Suppression of oscillations of both the flexible subsystem by including a series of both the above mentioned shapers to the feedback loop. Oscillations of both the subsystems well damped.
Comparison of ZV shaper and shaper with distributed delay (52nd IEEE Conference on Decision and Control)
Disturbance rejection with inverse shaper in feedback. (ECC Zurich 2013)