Proceedings of the FISITA 2012 World Automotive Congress: Volume 13: Noise, Vibration and Harshness (NVH)

Front Matter....Pages i-xii
Front Matter....Pages 1-1
Parameters Sensitivity Analysis of Self-Excited Vibration of Tires....Pages 3-14
Shimmy Identification Caused by Self-Excitation Components at Vehicle High Speed....Pages 15-23
Nonlinear Transient Dynamic Analysis of Disc Brake Squeal Using Improved Hilbert-Huang Transform....Pages 25-38
Application of an Experimental Tire Model for Comfort Analysis: Requirement for Accurate Low Frequency Tire-Patch Inputs....Pages 39-51
Front Matter....Pages 53-53
Torsional Finite Element Analysis of Driveline Torsional Vibration for a Front Wheel Driveline Vehicle Development....Pages 55-72
Transfer Paths Identification and Optimization of Transmission Gear Rattle Noise....Pages 73-86
Study on Driveline Component Torsional Stiffness Effect on RWD Driveline Torsional Vibration Modes....Pages 87-102
Reduction of Structure-Borne Noise by Simulation....Pages 103-113
Dynamic Characteristics of Vehicular Planetary Gears Influenced by Engine Excitation and Backlash Based on Nonlinear Torsional Vibration Model....Pages 115-126
Dynamic Optimization of Vehicle Planetary Transmission Based on GA and FEA....Pages 127-139
NVH Optimization of Vehicle Powertrain....Pages 141-149
Input Torque Shaping for Driveline NVH Improvement and Torque Profile Approximation Problem with Combustion Pressure....Pages 151-165
Wheel Load Oriented Control of Semi-Active and Active Suspension Systems Using Pre-Located Road Sampling....Pages 167-182
Front Matter....Pages 183-183
Optimization of the Range Extender Mounting System for Electric Vehicle....Pages 185-195
Middle and High Frequency Sound Attenuation Optimization of Air Cleaner....Pages 197-207
NVH Performance Optimization of Cylinder Head in Concept Stage....Pages 209-217
Rattle Simulation Analysis of a Manual Gearbox....Pages 219-233
Study about the Relationship Between Power-Train Modal and Connecting-Plane....Pages 235-247
Investigation on the Vibration of the Engine Fead Accessory Driving Belt....Pages 249-259
The Effect of EMS Calibration on Noise Control of Turbocharger for Gasoline Engine....Pages 261-267
Front Matter....Pages 183-183
The Method of Accurate Sound Source Localization for the Engine Abnormal Noise....Pages 269-277
Sound Source Identification Based on Acoustic Source Quantification by Measuring the Particle Velocity Directly....Pages 279-289
Noise Reduction Potential of an Engine Oil Pan....Pages 291-304
Experimental Investigation of the Pulsation Noise Induced by Automotive Turbocharger Compressors....Pages 305-316
Rotordynamics for Turbocharger Application Using Matlab Software....Pages 317-330
Front Matter....Pages 331-331
A Systematic Approach for Rattle Problem Detection and Prevention of Seat Belt Retractors....Pages 333-339
A Study on Optimization Design of Engine-Room NVH for a Modified Vehicle....Pages 341-353
Mechanism of Vibration Noise Transfer of Trimmed Body....Pages 355-363
Automotive Concept Modelling: Optimization of the Vehicle NVH Performance....Pages 365-376
Front Matter....Pages 377-377
Improvements of Steering Wheel’s Idle Shaking....Pages 379-391
Squeak and Rattle Performance Degradation and Prevention in a Vehicle Design and Development Process....Pages 393-403
Test and Simulation Integrated Transfer Path Analysis and Optimization of the Steering Wheel Vibration in Idle....Pages 405-415
Study on Mount Matching Optimization for Removing Powertrain Abnormal Low Frequency Vibration....Pages 417-429
Study on Influence of High-Performance Acoustic Materials on a Vehicle’s NVH Performance....Pages 431-442
The Identification and Countermeasure Analysis of Vehicle Idle Vibration....Pages 443-455
Study on Automotive Interior Structure-Borne Sound Based on TPA....Pages 457-469
The Vibration Analysis of Eco-Friendly Vehicle Based on the Electric Motor Excitation....Pages 471-480
Apply Near-Field Acoustic Holography to Identify the Noise Source of Pass-by Vehicles....Pages 481-504
Front Matter....Pages 505-505
Application Research of Statistical Energy Analysis on Vehicle Sound Package....Pages 507-520
Optimization of Subframe Mounting System to Reduce the Interior Booming....Pages 521-533
Front Matter....Pages 505-505
Disturbing Noise Identification and Sound Quality Research on Car Generator....Pages 535-540
Characterization of the Automotive Seat Structural Dynamics....Pages 541-552
Front Matter....Pages 553-553
The CFD and Noise Simulating Research of Fan Based on the Dipole Noise Theory....Pages 555-570
Wind Noise Testing at Shanghai Automotive Wind Tunnel Center....Pages 571-578
Front Matter....Pages 579-579
An Analysis of Vehicle Engine Vibration Signals with Digital Order Tracking Approaches....Pages 581-589
A New Approach to the Presentation of Vibration Phenomena in Vehicles....Pages 591-598
Research on Noise Testing and Analysis of an Automatic Transmission....Pages 599-605
The Application of Doppler Laser Vibrometer in the Engine NVH Dynocell Test....Pages 607-617
Judder Test and Analysis for Electric Vehicle....Pages 619-627
Tracking Algorithm and Its Implementation of the Vehicle BSR Noise Location....Pages 629-635
Contribution of Pass-by Noise Sources with Acoustic Holograph and Dynamic Transfer Path Model....Pages 637-643
Research of Acoustic Parts in Vehicle Sound Transmission Loss Test Method....Pages 645-652
Research of the Powertrain in Vehicle Sound Power Test Method....Pages 653-660
Front Matter....Pages 661-661
Research on Whine Noise of Automotive Radiator Fan During Decelerating....Pages 663-675
Electromagnetic Noise Study of Permanent Magnet Synchronous Motor for Electric Vehicle....Pages 677-688
Evaluation and Improvement of Door Slamming Sound Quality....Pages 689-700