Active control of noise and vibration. Volume II (2012)

• Record Type: Book
• Further Information: Note: Colin Hansen [and four others].
• Authors: Hansen, Colin H, 1951-
• Contents: 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
• Publisher Details: Boca Raton [Florida] London [England] New York : CRC Press
• Publication Date: 2012
• Copyright Date: 2012
• Extent: 1 online resource (1, 564 pages), illustrations, graphs
• Subjects: 620.2/3; Active noise and vibration control; Damping (Mechanics); Signal processing; Active noise and vibration control; Damping (Mechanics); Signal processing; Electronic books
• Languages: English
• ISBNs: 9781482234008; 1482234009
• Related ISBNs: 9780415590617
• Notes: Note: Includes bibliographical references at the end of each chapters.; Note: Print version record.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.