A method of improving the active control of reverberant sound fields, using phase compensation within a local feedback control loop, is presented in this study. A coupled, feedback model of the reverberant sound field, including in-bandwidth transducers, is developed to capture accurately the phase
Flexible Compensator Design for Unity-feedback Control Loops
โ Scribed by Stanley B. Quinn Jr.; C.K. Sanathanan
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 965 KB
- Volume
- 325
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
โฆ Synopsis
A fresh theoretical perspective and a practical design procedure for the model matching approach to feedback control is presented. Several previous limitations on the reference models that are able to be implemented in the unity-feedback conjiguration are relaxed. Considerable Jlexibility is thus made available to the designer in specifving the reference transfer function. Compensator transfer function synthesis is performed in the frequency domain. This leads to low-order practical compensators and extends the applicability of the methodology to systems with pure time delay. The power of the design approach is demonstrated in several illustrative examples.
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