By Ioan Doré Landau, Tudor-Bogdan Airimițoaie, Abraham Castellanos-Silva, Aurelian Constantinescu
This e-book techniques the layout of energetic vibration keep an eye on platforms from the point of view of today’s principles of desktop regulate. It formulates a number of the layout difficulties encountered within the energetic administration of vibration as regulate difficulties and searches for the main applicable instruments to unravel them. The experimental validation of the strategies proposed on suitable assessments benches can also be addressed. to advertise the frequent reputation of those concepts, the presentation gets rid of pointless theoretical advancements (which are available in different places) and makes a speciality of algorithms and their use. The suggestions proposed can't be absolutely understood and creatively exploited and not using a transparent figuring out of the elemental options and strategies, so those are thought of intensive. the focal point is on bettering motivations, set of rules presentation and experimental assessment. MATLAB®routines, Simulink® diagrams and bench-test facts can be found for obtain and inspire effortless assimilation of the experimental and exemplary material.
Three significant difficulties are addressed within the book:
- active damping to enhance the functionality of passive absorbers;
- adaptive suggestions attenuation of unmarried and a number of tonal vibrations; and
- feedforward and suggestions attenuation of wide band vibrations.
Adaptive and powerful lively Vibration Control will curiosity training engineers and support them to procure new ideas and strategies with solid useful validation. it may be used because the foundation for a direction for graduate scholars in mechanical, mechatronics, business electronics, aerospace and naval engineering. Readers operating in energetic noise keep watch over also will notice innovations with a excessive measure of cross-over capability to be used of their field.
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Extra info for Adaptive and Robust Active Vibration Control: Methodology and Tests
2) where f s is the sampling frequency and f s /2 is called the Nyquist or Shannon frequency. Sending frequencies over f s /2 produces distortion of the recovered discrete-time spectrum called aliasing. Therefore, anti-aliasing filters should always be introduced in order to remove the undesirable components of the signal. Anti-aliasing filters are constituted in general as several second order filters in cascade (Bessel, ITAE, Butterworth type). They should introduce a consequent attenuation of the signal beyond f s /2 but their bandwidth should be larger than the desired closed-loop bandwidth.
Phd thesis, Southern Methodist University 39. Taheri B, Case D, Richer E (2014) Robust controller for tremor suppression at musculoskeletal level in human wrist. IEEE Trans Neural Syst Rehabil Eng 22(2):379–388. 2295034 40. Taheri B, Case D, Richer E (2015) Adaptive suppression of severe pathological tremor by torque estimation method. IEEE/ASME Trans Mechatron 20(2):717–727. 2317948 41. Bohn C, Cortabarria A, Härtel V, Kowalczyk K (2004) Active control of engine-induced vibrations in automotive vehicles using disturbance observer gain scheduling.
The classical adaptive control paradigm deals with the construction of a control law when the parameters of the plant dynamic model are unknown and time-varying . Nevertheless, in the present context, the plant dynamic model is almost invariant and it can be identified. The objective then is the rejection of disturbances characterized by unknown and time-varying disturbance models. It seems reasonable to 14 1 Introduction to Adaptive and Robust Active Vibration Control call this paradigm adaptive regulation.
Adaptive and Robust Active Vibration Control: Methodology and Tests by Ioan Doré Landau, Tudor-Bogdan Airimițoaie, Abraham Castellanos-Silva, Aurelian Constantinescu