Misją Instytutu jest dzialalność naukowo-badawcza prowadząca do nowych rozwiązań technicznych i organizacyjnych użytecznych w kształtowaniu warunków pracy zgodnych z zasadami bezpieczeństwa pracy i ergonomii oraz ustalanie podstaw naukowych do właściwego ukierunkowywania polityki społeczno-ekonomicznej państwa w tym zakresie.
Jacek Skalmierski Computer Studio, Gliwice, 1999
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Foreword (ix) |
Book objectives and background (xi) |
Book contributions and structure (xiii) |
Acknowledgments (xviii) |
1. Introduction (1) |
1.1. Sound (1) |
1.2. Active noise control - fundamentals (3) |
1.3. Compact acoustic plants (8) |
1.4. Active personal hearing protection device (9) |
1.5. Conclusions (11) |
2. The plant and its identification (13) |
2.1. The plant (13) |
2.2. Non-parametric identification (16) |
2.3. Parametric identification (32) |
2.4. Conclusions (38) |
3. Control of acoustic plants (39) |
3.1. Control structures (39) |
3.2. Control system description (41) |
3.3. The objective of active noise control (43) |
3.4. Performance limitations (44) |
3.5. Conclusions (48) |
4. Optimal minimum variance control (51) |
4.1. Problem formulation (51) |
4.2. Minimum variance feedback control (53) |
4.3. Minimum variance feedforward control (55) |
4.4. Feedback vs feedforward minimum variance control (56) |
4.5. Combined minimum variance control (64) |
4.6. Signal processing approach - Wiener filter (72) |
4.7. Conclusions (76) |
5. Adaptive minimum variance control (79) |
5.1. Problem formulation (79) |
5.2. Predictive plant model (79) |
5.3. Controller identification (81) |
5.4. Adaptive Wiener filter (84) |
5.5. Conclusions (88) |
6. Experimental results (89) |
6.1. Noise control criteria (89) |
6.2. Active control of tonal noise (91) |
6.3. Active control of complex noise (93) |
6.4. Conclusions (95) |
7. Model-free feedforward control (97) |
7.1. Delayed LMS (97) |
7.2. FIR filter (98) |
7.3. IIR filter (101) |
7.4. A heuristic approach (102) |
7.5. Active control of tonal noise (106) |
7.6. Active control of complex noise (107) |
7.7. Conclusions (112) |
8. Summary (115) |
8.1. The book in brief (115) |
8.2. Conclusions (115) |
8.3. Final remarks (118) |
A. Optimal minimum variance control (119) |
A.1. Feedback MVC (119) |
A.2. Feedback MVC with control weighting (122) |
A.3. Feedforward MVC (124) |
A.4. Feedforward MVC with control weighting (126) |
A.5. IMC (129) |
A.6. IMC with control weighting (130) |
A.7. Feedback MVC with measurable disturbance (131) |
A.8. Feedforward MVC added to feedback MVC (136) |
A.9. Feedback MVC added to the feedforward MVC (140) |
B. Adaptive minimum variance control (145) |
B.1. Adaptive feedback MVC (145) |
B.2. Adaptive feedforward MVC (147) |
B.3. Adaptive IMC (149) |
B.4. Feedback MVC with measurable disturbance (150) |
References (155) |
Index (163) |
Glossary of symbols and abbreviations (171) |
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