By Ioan Doré Landau, Tudor-Bogdan Airimițoaie, Abraham Castellanos-Silva, Aurelian Constantinescu
This ebook techniques the layout of lively vibration regulate platforms from the viewpoint of today’s principles of desktop keep watch over. It formulates many of the layout difficulties encountered within the lively administration of vibration as keep watch over difficulties and searches for the main acceptable instruments to unravel them. The experimental validation of the strategies proposed on proper checks benches is additionally addressed. to advertise the common reputation of those thoughts, the presentation removes pointless theoretical advancements (which are available in other places) and makes a speciality of algorithms and their use. The suggestions proposed can't be totally understood and creatively exploited and not using a transparent figuring out of the fundamental suggestions and strategies, so those are thought of intensive. the focal point is on bettering motivations, set of rules presentation and experimental review. 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 vast band vibrations.
Adaptive and strong lively Vibration Control will curiosity training engineers and support them to obtain new innovations and methods with sturdy functional validation. it may be used because the foundation for a path for graduate scholars in mechanical, mechatronics, commercial electronics, aerospace and naval engineering. Readers operating in energetic noise keep an eye on also will realize strategies with a excessive measure of cross-over strength to be used of their field.
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Extra info for Adaptive and Robust Active Vibration Control: Methodology and Tests
The plant transfer function between the input of the inertial actuator, u(t), and the residual force is called secondary path. The complete hardware configuration of the system is shown in Fig. 7. , to attenuate the vibrations transmitted from the machine to the chassis. The physical parameters of the system are not available. The system has been considered as a black box and the corresponding models for control have been identified from data. The details of the identification procedure will be given in Sect.
The identification procedure will be described in Sect. 1. The frequency characteristic of the identified primary path model (open-loop identification), between the signal u p sent to the shaker in order to generate the disturbance and the residual force y(t), is presented in Fig. 4. The first vibration mode of the primary path model is near 32 Hz. The primary path model has been only used for simulation purposes. The frequency characteristic of the identified secondary path model (open-loop operation) is presented also in Fig.
The transfer function between the disturbance force u p , and the residual force y(t) is called primary path. In our case (for testing purposes), the primary force is generated by a shaker driven by a signal delivered by the computer. The plant transfer function between the input of the inertial actuator, u(t), and the residual force is called secondary path. The complete hardware configuration of the system is shown in Fig. 7. , to attenuate the vibrations transmitted from the machine to the chassis.
Adaptive and Robust Active Vibration Control: Methodology and Tests by Ioan Doré Landau, Tudor-Bogdan Airimițoaie, Abraham Castellanos-Silva, Aurelian Constantinescu