Sound quality research is an emerging field of acoustics, and it has broad application prospects in the field of vibration and noise control of machinery and automobiles. With the development of new energy vehicles in recent years, the technology demand for interior sound quality evaluation and control has increased rapidly.
This book comprehensively introduces the basic concepts, theories, methods and the latest research progress in evaluating and controlling vehicle interior sound quality. The contents include the generation mechanism of the sound field in the vehicle, the evaluation index of the sound quality, the subjective and objective evaluation method, the neural network evaluation model, the data pre-processing, the active and passive control method, the vibration control method based on the piezoelectric effect, the hybrid vibro-acoustics active control method for interior sound quality and the system of sound quality evaluation and control, etc. It contains an introduction to basic knowledge and theoretical models and a detailed description of the research background, the algorithms implementation methods and the technical status of specific issues.
By reading this book, readers can fully understand the current research status and development trend of vehicle interior sound quality evaluation and control and comprehend basic concepts, related theories and implementation methods.
Author(s): Yansong Wang, Hui Guo, Chao Yang
Publisher: Springer
Year: 2022
Language: English
Pages: 279
City: Cham
Preface
Acknowledgments
Contents
1 Introduction to Vehicle Interior Sound Quality
2 Vehicle Interior Noise Mechanism and Prediction
2.1 Mechanism and Influence Factors of Vehicle Interior Noise
2.1.1 Mechanism of Vehicle Interior Noise
2.1.2 Main Sources of Vibration and Noise
2.2 Transfer Path Analysis of Vibration and Noise
2.2.1 Conventional Transfer Path Analysis
2.2.2 Operational Transfer Path Analysis (OTPA)
2.2.3 Operational-X Transfer Path Analysis (OPAX)
2.2.4 Transfer Function and the Estimation Method
2.2.5 Interior Noise Contribution Analysis
2.3 Artificial Intelligence Prediction Method for Vehicle Interior Sound Field
2.3.1 Noise Signal Reconstruction Based on Signal Decomposition
2.3.2 Noise Signal Reconstruction Based on Compressed Sensing
References
3 Subjective Evaluation of Vehicle Sound Quality
3.1 Evaluation Indices
3.2 Evaluators
3.3 Global Evaluation Method
3.3.1 Ranking Order
3.3.2 Rating Scale
3.3.3 Paired Comparison Method
3.3.4 Semantic Differential Method
3.4 Instantaneous Evaluation Method
3.5 An Example of Jury Test for Noise Annoyance
References
4 Objective Evaluation Model of Sound Quality
4.1 Establishment of Vehicle Noise Database
4.2 Objective Evaluation
4.2.1 Psychoacoustic Metrics
4.2.2 Extraction of Time–Frequency Energy Characteristics
4.3 Objective Quantitative Model of Sound Quality
4.3.1 Multiple Linear Regression Modeling Method
4.3.2 Support Vector Machine Modeling
4.3.3 Artificial Neural Network
4.3.4 Deep Learning Model
References
5 Passive Noise Control for Vehicle
5.1 The Concepts of Passive Noise Control
5.2 Sound Insulation Materials
5.2.1 Sound Insulation Mechanism
5.2.2 Design of Sound Insulation Materials
5.3 Sound Absorption Materials
5.3.1 Sound Absorption Mechanism
5.3.2 Design of Sound-Absorbing Materials
5.4 Acoustic Metamaterials
5.4.1 Propagation Suppression Mechanism for Sound Waves
5.4.2 Design of Acoustic Metamaterials
References
6 Active Control of Vehicle Interior Sound Quality
6.1 Active Sound Quality Control
6.1.1 Control Principle
6.1.2 LMS Algorithm
6.1.3 FxLMS Algorithm
6.1.4 ANE Algorithm
6.1.5 FeLMS Algorithm
6.2 Active Vibration Control
6.2.1 Piezoelectric Fuzzy Control Algorithm
6.2.2 Piezoelectric DWT-FxLMS Algorithm
References
7 Active Vibro-Acoustic Control of Sound Quality
7.1 Active Vibro-Acoustic Control Method Based on FuLMS and FxLMS
7.1.1 Active Vibro-Acoustic Control Algorithm with Parallel Strategy
7.1.2 Active Vibro-Acoustic Control Algorithm with Series Strategy
7.1.3 Comparison of Parallel and Series Active Vibro-Acoustic Control Algorithms
7.2 Active Vibro-Acoustic Control of Sound Quality Based on EMD and FeLMS
7.2.1 Active Vibro-Acoustic Control of Sound Quality Based on ANE
7.2.2 Active Vibro-Acoustic Control of Sound Quality Based on EMD
7.2.3 Simulation of HVA-EB-FeLMS Algorithm Considering Loudness
7.3 Simulation of Active Vibro-Acoustic Control Method of Sound Quality
7.3.1 Signal Collection in Vehicle and Sound Quality Evaluation
7.3.2 Verification of Active Vibro-Acoustic Control of Sound Quality
References
8 Vehicle Sound Quality Evaluation and Control System
8.1 Principles of System Design
8.2 Subjective Evaluation System
8.2.1 Design Ideas of Subjective Evaluation Software
8.2.2 Global Subjective Evaluation Software
8.2.3 Instantaneous Subjective Evaluation Software
8.3 Objective Evaluation System
8.3.1 Introduction to GUI Design
8.3.2 GUI Design for Objective Evaluation of Sound Quality
8.4 Comprehensive Evaluation System
8.4.1 Design Process of Comprehensive Evaluation System
8.4.2 Module Design of Comprehensive Evaluation System
8.5 Active Control System
8.5.1 Active Control System Based on Hardware-in-the-Loop Simulation
8.5.2 Active Control System Based on FPGA
8.5.3 Development of Active Control System Based on DSP
References
