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Correlation between parameters of the tribosystem and automotive disc brake squeal / von Martin Bernhard Hiller. 2007
Inhalt
Abstract
Acknowledgments
Contents
Variables
Indices
Abbreviations
1. Introduction
2. Literature Review
2.1. The Brake Assembly
2.1.1. Brake Components
2.1.2. Overview and Coordinate System
2.1.3. Brake Disc
2.1.4. Brake Pads
2.2. Brake System Tribology
2.2.1. Tribological System of Disc Brakes
2.2.2. Contact Situation of Disc Brakes
2.2.3. Friction
2.2.4. Elastic Properties of Disc Brake Friction Materials
2.3. Brake Squeal
2.3.1. Types of Brake Vibrations
2.3.2. Squeal Mechanisms
2.3.3. Squeal Dependence on various Parameters
2.4. Brake Testing
2.4.1. Dynamometer Testing
2.4.2. Elastic and Modal Properties Testing
3. Scope of the Present Work
3.1. Motivation
3.2. Goals
4. Data Generation and Conditioning
4.1. Experimental Approach
4.2. Setup and Implementation
4.2.1. Test Equipment
4.2.2. Brake
4.2.3. Procedures
4.2.4. Data Acquisition
4.2.5. Postprocessing and Analysis
4.3. Application
4.3.1. Structural Analysis
4.3.2. Inertia Simulation
4.3.3. Pad Wear
4.4. Postprocessing
4.4.1. Squeal Propensity Calculation
4.4.2. Stiffness Model
5. Squeal Propensity Regression Model Concepts
5.1. Timescales
5.2. Data Mapping Functions and Characteristic Values
5.2.1. Mapping Functions
5.2.2. Characteristic Values
5.3. Squeal Propensity Modeling Approach
5.4. Model Quality Rating Measure
6. Data Analysis and Evaluation of Squeal Propensity Models
6.1. Real-Time Timescale
6.1.1. Data Analysis
6.1.2. Model Evaluation of Squeal Propensity
6.1.3. Discussion
6.2. Brake Application Timescale
6.2.1. Data Analysis
6.2.2. Model Evaluation
6.2.3. Discussion
6.3. Test Timescale
6.3.1. Data Analysis
6.3.2. Model Evaluation
6.3.3. Discussion
7. General Discussion
8. Summary and Outlook
Appendix
A. Stiffness Model Error Analysis
B. Complete Data Analysis Diagrams
B.1. Disc Out-Of-Plane Deflection Shapes
B.2. Complete Dynamometer Testing Data Analysis Diagrams
Disc Deflection Shapes
Friction Material A Diagrams
Friction Material B Diagrams
Friction Material C Diagrams
Friction Material D Diagrams
Friction Material E Diagrams
Friction Material F Diagrams
Friction Material G Diagrams
Friction Material H Diagrams
Friction Material I Diagrams
Friction Material J Diagrams
Friction Material K Diagrams
Friction Material L Diagrams
Friction Material M Diagrams
Friction Material N Diagrams
Friction Material O Diagrams
Friction Material P Diagrams
Friction Material Q Diagrams
Friction Material R Diagrams
Friction Material S Diagrams
Friction Material T Diagrams
C. Deutsche Kurzfassung
C.1. Fragestellung
C.1.1. Motivation
C.1.2. Stand der Technik
C.1.3. Zielsetzung
C.2. Methodischer Ansatz
C.2.1. Vorgehen
C.2.2. Experimente
C.2.3. Berechnung der Quietschwahrscheinlichkeit
C.2.4. Belagsteifigkeitsmodell
C.2.5. Modellierung der Quietschwahrscheinlichkeit
C.3 Ergebnisse
C.3.1. Echtzeit-Zeitskala
C.3.2. Bremsung-Zeitskala
C.3.3. Versuch-Zeitskala
C.3.4. Zusammenfassung und Schlussfolgerungen
Bibliography
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