Since the publication of the first edition, considerable progress has been made in the development and application of active noise control (ANC) systems, particularly in the propeller aircraft and automotive industries. Treating the active control of both sound and vibration in a unified way, this second edition of Active Control of Noise and Vibration continues to combine coverage of fundamental principles with the most recent theoretical and practical developments.
What's New in This Edition Revised, expanded, and updated information in every chapter Advances in feedforward control algorithms, DSP hardware, and applications Practical application examples of active control of noise propagating in ducts The use of a sound intensity cost function, model reference control, sensing radiation modes, modal filtering, and a comparison of the effectiveness of various sensing strategies New material on feedback control of sound transmission into enclosed spaces New material on model uncertainty, experimental determination of the system model, optimization of the truncated model, collocated actuators and sensors, biologically inspired control, and a discussion of centralised versus de-centralised control A completely revised chapter on control system implementation New material on parametric array loudspeakers, turbulence filtering, and virtual sensing More material on smart structures, electrorheological fluids, and magnetorheological fluids Integrating the related disciplines of active noise control and active vibration control, this comprehensive two-volume set explains how to design and implement successful active control systems in practice. It also details the pitfalls one must avoid to ensure a reliable and stable system.
Colin Hansen (University of Adelaide Australia)
, Scott Snyder (Charles Darwin University
, Xiaojun Qiu (Nanjing University
, Laura Brooks (University of Adelaide
, Danielle Moreau (University of Adelaide
Country of Publication:
2nd New edition
30 November 2012
Professional and scholarly
Volume I Background Introduction and Potential Applications Overview of Active Control Systems References Foundations of Acoustics and Vibration Acoustic Wave Equation Structural Mechanics Fundamentals Vibration of Continuous Systems Structural Sound Radiation, Sound Propagation and Green's Functions Impedance and Intensity References Spectral Analysis Digital Filtering Discrete Fourier Analysis Signal Types Convolution Important Frequency Domain Functions References Modal Analysis Introduction Modal Analysis: Analytical Modal Analysis: Experimental Modal Amplitude Determination from System Response Measurements References Modern Control Review Introduction System Arrangements State-Space System Models for Feedback Control Discrete Time System Models for Feedback Control Frequency Domain Analysis of Poles, Zeroes and System Response Controllability and Observability Control Law Design via Pole Placement Optimal Control Observer Design Random Processes Revisited Optimal Observers: Kalman Filter Combined Control Law/Observer: Compensator Design Adaptive Feedback Control References Feedforward Control System Design Introduction What Does Feedforward Control Do? Fixed Characteristic Feedforward Control Systems Waveform Synthesis Non-Recursive (FIR) Deterministic Gradient Descent Algorithm LMS Algorithm Single-Channel Filtered-x LMS Algorithm The Multiple Input, Multiple Output Filtered-x LMS Algorithm Other Useful Algorithms Based on the LMS Algorithm Cancellation Path Transfer Function Estimation Leaky Algorithms and Output Effort Constraint Adaptive Filtering in The Frequency Domain Adaptive Signal Processing Using Recursive (IIR) Filters Application of Adaptive IIR Filters to Active Control Systems Alternative Approach to Using IIR Filters Adaptive Filtering Using Artificial Neural Networks Neural Network-Based Feedforward Active Control Systems Adaptive Filtering Using a Genetic Algorithm References Active Control of Noise Propagating in Ducts Introduction Control System Implementation Harmonic (or Periodic) Plane Waves Higher-Order Modes Acoustic Measurements in Ducts Sound Radiated from IC Engine Exhaust Outlets Active / Passive Mufflers Control of Pressure Pulsations in Liquid Filled Ducts Active Headsets and Hearing Protectors References Volume II Active Control of Free-Field Sound Radiation Introduction Control of Harmonic Sound Pressure at a Point Minimum Acoustic Power Output of Two Free-Field Monopole Sources Active Control of Acoustic Radiation from Multiple Primary Monopole Sources Using Multiple Control Monopole Sources Effect of Transducer Location Reference Sensor Location Considerations Active Control of Harmonic Sound Radiation from Planar Structures: General Problem Formulation Example: Control of Sound Radiation from a Rectangular Plate Electrical Transformer Noise Control A Closer Look At Control Mechanisms and a Common Link among All Active Control Systems Minimising Sound Radiation By Minimising Acoustic Radiation Modes Some Notes on Approaching the Design of an Active Control System for Sound Radiation from a Vibrating Surface Active Control of Free-Field Random Noise Active Control of Impact Acceleration Noise Feedback Control of Sound Radiation From Vibrating Structures References Active Control of Enclosed Sound Fields Introduction Control of Harmonic Sound Fields in Rigid Enclosures at Discrete Locations Global Control of Sound Fields in Rigid Enclosures Control of Sound Fields in Coupled Enclosures at Discrete Locations Minimisation of Acoustic Potential Energy in Coupled Enclosures Calculation of Optimal Control Source Volume Velocities Using Boundary Element Methods Control Mechanisms Influence of Control Source and Error Sensor Arrangement Controlling Vibration to Control Sound Transmission Influence of Modal Density Control of Sound at a Point in Enclosures with High Modal Densities State-Space Models of Acoustic Systems Aircraft Interior Noise Automobile Interior Noise References Feedforward Control of Vibration in Beams and Plates Infinite Beam Finite Beams Active Control of Vibration in a Semi-Infinite Plate References Feedback Control of Flexible Structures Described in Terms of Modes Introduction Modal Control Independent Modal Space Control Model Reduction Effect of Model Uncertainty Experimental Determination of the System Model through Subspace Model Identification Sensor and Actuator Placement Considerations Centralised Versus Decentralised and Distributed Control References Vibration Isolation Introduction Feedback Control Applications of Feedback Control Feedforward Control: Basic SDOF System Feedforward Control: Single Isolator between a Rigid Body and a Flexible Beam Feedforward Control: Multiple Isolators between a Rigid Body and a Flexible Panel Feedforward Control: Multiple Isolators between a Rigid Body and a Flexible Cylinder Feedforward Control: Summary References Control System Implementation Hierarchy of Active Control System Implementation Analogue Circuit Controllers Digital Controllers An Example of Active Control System Implementation References Sound Sources and Sound Sensors Loudspeakers Horns Omni-Directional Microphones Directional Microphones Turbulence Filtering Sensors Virtual Sensing Algorithms for Active Noise Control References Vibration Sensors and Vibration Sources Accelerometers Velocity Transducers Displacement Transducers Strain Sensors Hydraulic Actuators Pneumatic Actuators Proof Mass (or Inertial) Actuator Electrodynamic and Electromagnetic Actuators Magnetostrictive Actuators Shape Memory Alloy Actuators Piezoelectric (Electrostrictive) Actuators Smart Structures Electro-Rheological Fluids Magneto-Rheological Fluids References Appendix A Brief Review of Some Results of Linear Algebra Matrices and Vectors Addition, Subtraction and Multiplication by a Scalar Multiplication of Matrices Transposition Determinants Matrix Inverses Rank of a Matrix Positive and Non-Negative Definite Matrices Eigenvalues and Eigenvectors Orthogonality Vector Norms References Index
Colin Hansen is professor emeritus in the School of Mechanical Engineering at the University of Adelaide. He established the ANVC group at the university in 1987 and led the group until his retirement at the end of 2011. The group is internationally recognized for its extensive contributions to the advancement of scientific knowledge in many aspects of active noise and vibration control. In 2012 he was made the 15th honorary fellow of the International Institute of Acoustics and Vibration (IIAV) in recognition of his outstanding contributions to scientific knowledge in acoustics, noise and vibration and in 2009 was awarded the Rayleigh Medal by the British Institute of Acoustics for outstanding contributions to acoustics . Scott Snyder is currently pro vice-chancellor, strategy and planning, at Charles Darwin University (CDU). He has also been the Executive Director, Corporate Services and an Executive Dean at that institution. Prior to moving to CDU, Snyder was a member of academic staff in the School of Mechanical Engineering at the University of Adelaide, and later head of IT Services at that organization. His Ph.D. was in the area of active noise and vibration control and he spent a number of years undertaking further research on ANVC in Japan and at the University of Adelaide prior to being appointed to Academic Staff. Xiaojun Qiu is a professor in acoustics and signal processing and head of the Institute of Acoustics, Nanjing University. He worked with Colin Hansen in the School of Mechanical Engineering at the University of Adelaide, Australia, as a research fellow from 1997 to 2002. He is a member of the Audio Engineering Society and the International Institute of Acoustics and Vibration. He has authored and co-authored two books and more than 250 technical papers, and holds more than 70 patents on audio acoustics and audio signal processing. Laura Brooks is an adjunct lecturer at the School of Mechanical Engineering at the University of Adelaide. She was selected by Engineers Australia for inclusion in the list of Australia's Most Inspiring Young Engineers in 2005 and was awarded the 2006 Fulbright Postgraduate Award in Engineering. Her research interests include aeroacoustics, ocean acoustics, seismic noise, vibrations, active control, signal processing, and engineering education. Danielle Moreau is a postdoctoral research associate at the School of Mechanical Engineering at the University of Adelaide, where she received a University Postdoctoral Research Medal for her Ph.D. research on virtual sensing in active control. The focus of Dr Moreau's current work is on the understanding and control of flow-induced noise. She has more than 20 publications and has given seminars to research groups in Japan and the United States.
Reviews for Active Control of Noise and Vibration
The fact is that there is not one work that is as comprehensive and detailed as this one in the realm of ANVC. Anyone considering fundamental or applied research work in this field must take the plunge and buy this outstanding reference. - Dominique J. Cheenne in Noise Control Engineering Journal Praise for the Previous Edition ... the treatment is attractive and meticulous and accurate ... appears to be a good buy. -Bulletin of the Institute of Acoustics ... a very good and complete reference on the subject. -The Structural Engineer