Active Methods in Acoustics

Course guarantor:

Ondřej Jiříček

Lecturer:

Ondřej Jiříček

Tutor:

Ondřej Jiříček

Supervisor:

Department of Physics

Synopsis:

Physical principles, interference, Huygens principle, sound field in ducts, vawe-guides and enclosures. Active noise control in a duct. One or more secondary sources. Active control in enclosures, acoustic coupling, modes, local control. Feedback and feedforward strategy, analog adn digital realisations, algorithms based on LMS, stability of algorithms, multichannel algorithms. Practical realisations of active systems. Active control of vibrations, transducers for active control.

Requirements:

An assessment is not required for this subject.

Syllabus of lectures:

Syllabus of tutorials:

Study Objective:

Introduction to active control of sound and vibrations

Study materials:

Nelson, Elliott: Active control of sound, Academic Press, London, 1992.

Fuller, Elliott, Nelson: Active control of vibration, Academic Press, 1997.

Note:

Further information:

https://moodle.fel.cvut.cz/courses/XP02AMA

Time-table for winter semester 2024/2025:

	06:00–08:0008:00–10:0010:00–12:0012:00–14:0014:00–16:0016:00–18:0018:00–20:0020:00–22:0022:00–24:00
Mon
Tue
Wed
Thu	roomT2:H1-129 12:45–14:15 (lecture parallel1) Dejvice haly
Fri

Time-table for summer semester 2024/2025:

	06:00–08:0008:00–10:0010:00–12:0012:00–14:0014:00–16:0016:00–18:0018:00–20:0020:00–22:0022:00–24:00
Mon	roomT2:H1-129 Jiříček O. 11:00–12:30 (lecture parallel1) Dejvice haly
Tue
Wed
Thu
Fri

The course is a part of the following study plans:

• Doctoral studies, daily studies (compulsory elective course)
• Doctoral studies, combined studies (compulsory elective course)
• Doctoral studies, structured daily studies (compulsory elective course)
• Doctoral studies, structured combined studies (compulsory elective course)