𝔖 Bobbio Scriptorium
✦   LIBER   ✦

FEEDFORWARD AND FEEDBACK CONTROL OF SOUND AND VIBRATION—A WIENER FILTER APPROACH

✍ Scribed by M.J. BRENNAN; S.-M. KIM

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
445 KB
Volume
246
Category
Article
ISSN
0022-460X

No coin nor oath required. For personal study only.

✦ Synopsis

This paper considers the active control of stationary random disturbances in single-input}single-output vibrating and acoustical systems. Both feedforward and feedback control are studied using a deterministic approach, where white noise is replaced by an impulse so that the active control of a stationary random disturbance is transformed to the active control of an impulse response. A theoretical framework using the Wiener "lter to study both systems is described where internal model control is used to convert a feedback system into feedforward architecture. The e!ects of the constraint of causality on the performances of feedforward and feedback control of random disturbances are discussed using two simple examples; a minimum phase single-degree-of-freedom vibrating system and a non-minimum phase acoustical system.

2001 Academic Press

📜 SIMILAR VOLUMES

Modal space vibration control of a beam
Modal space vibration control of a beam by using the feedforward and feedback control loops
✍ Der-An Wang; Yii-Mei Huang 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 275 KB

This paper introduces a vibration control method for a exible beam subjected to arbitrary, unmeasurable disturbance forces. The concept of independent modal space control is adopted. Here, we choose the modal ÿlters as the state estimator to obtain the modal coordinates and modal velocities for the

Feedforward/feedback control of interest
Feedforward/feedback control of interesterification of fats and oils using a microaqueous bioreactor
✍ Eiji Izumoto; Hideki Fukuda; Yasuhiro Nojima; Eiji Nakanishi 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 532 KB

In order to maintain a constant triglyceride composition in the effluent from a microaqueous bioreactor using filanentous fungus immobilized within Biomass Support Particles as a lipase catalyst. a feedforward/feedback controller with an on-line enzyme activity estimator and a state estimation contr

A note on the design of industrial regul
A note on the design of industrial regulators: Integral feedback and feedforward controllers
✍ E.J. Davison; H.W. Smith 📂 Article 📅 1974 🏛 Elsevier Science 🌐 English ⚖ 267 KB

This note uses some of the ideas of a previous paper [1] to obtain explicit feedforward-integral feedback controllers for a linear multivariable time-invariant plant, subject to both measurable and unmeasurable constant disturbances, so that the outputs are regulated to preassigned set points.

ACTIVE CONTROL EXPERIMENTS FOR ACOUSTIC
ACTIVE CONTROL EXPERIMENTS FOR ACOUSTIC RADIATION REDUCTION OF A SANDWICH PANEL: FEEDBACK AND FEEDFORWARD INVESTIGATIONS
✍ B. PETITJEAN; I. LEGRAIN; F. SIMON; S. PAUZIN 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 356 KB

Experiments were conducted on a square panel of a honeycomb sandwich material, to compare and evaluate various active control strategies for acoustic radiation reduction. The panel was clamped between two soundproofed rooms, the receiving room being equipped with a moving system and a microphone. Th