Automotive Engineering III

EPAS Systems

EPAS Systems

◄ Electrical Power Assisted Steering

Jump to... Jump to... Title Structure OEM Targets and Consequences for the Supplier Industry Hierarchy of Manufacturer and Supplier Possibility of Cost Reduction Structure Definition of Terms Definition of Platform Strategy and Modular Design Components of Platforms Utilizing of Platform Strategy Reduction of Product and Variant Mix Reduction of Development Time and Costs Differentiation of Brands Differentiation of Brands by Design and Technical Variation Volume Distribution of different Platforms of the VW Group Models of the A ? Platform of Volkswagen Group Component Platform / Cap in the complete Vehicle Audi Platform: Floor Area of Audi A6 / A4 Audi Platform: Frame Side Rail with width matching in the Front End Torsion and Bending Moment Audi A4 / A6 Fixture of Platform Component for the Body Audi A4 / A6 Body Sequence during Body Assembly Title Arrangement Modules and Systems Modular Vehicle Design Important Modules Example of a Frontend Module Description of Frontend Modules Requirements for Passive Safety Requirements of Passive Safety Ease of Installation Requirements for Economy Requirements for Frontend Modules Strategies for Modularization Possibilities for Modularisation 1. Front- 1. Front- & Rear End Module Rear End Module Example: Front- Example: Front- & Rear End Module Rear End Module 2. Vehicle Mid-Segmentation Example: Vehicle Mid-Segmentation 3. Mid-Segmentation with sep. Roof Example: Mid-Segmentation with sep. Roof 4. Triple Segmentation Example: Triple Segmentation I Example: Triple Segmentation II 5. Triple Segmentation with sep. roof Example: Triple Segmentation with sep. roof Summary and Overview Vehicle Design Targets Title Aerodynamics and Design Vehicle Development (1) Vehicle Development (2) Vehicle Development (3) Shaping Influencing Variables Aerodynamics - Design User Group Design Process Complex Shading Effect Interior Variability Aerodynamic Influences on the Vehicle Functions Fuel Consumption Development of the cw- Values Influences on the Aerodynamics cw-Value Optimisation Response to Cross Winds Lift and Pitching Moment Influence of Body Form on the Yawing Moment Optimisation of Aerodynamics Example Exterior Mirror Water Gutter to the Benefit of Perception Safety Optimisation Potential Aerodynamics Aerodynamic Drag ? Conflict of Aims (1) Aerodynamic Drag ? Conflict of Aims (2) Aerodynamic Drag ? Conflict of Aims (3) Research on Aerodynamics Example According to Reynolds Number Title Package Definition of Package Package Plan ? Top View Package Plan ? Front View Package Plan ? Side View Package Plan ? Side View Detailed View of Driver?s Seat Influencing Variable on the Intersecting Point Human - Machine Posture of the Driver as Necessary Result Criteria for Driver`s Place Design Frequency Density and Comulative Frequency Optimum Seating Position in the Vehicle Definition Seating-Reference-Point Two Dimensional Body Contour Template Driver Seating Position at Different Vehicle Categories Monocular, Binocular and Ambinocular Visual Field Angular Range for Head- and Eye Movement Areas of Direct and Indirect Sight Schematic Presentation of the 95% Eye-Ellipse Sight Fields and Sight Coverings in the Side View Visual Semi Circle, Sight Wedge and Authorized Sight Covering out of a Vehicle (§ 35b StVZO) Obscuration in the Rear Area Sight Obscuration at Trucks Criteria of Operating Conception Reach Contour for Control Elements Operation Frequencies at 100.000 km Mileage Priority Groups for Hand-Operated Control Adjustable Buck and Simulation Suits Title Electrical Environment of the VW-Beetle Today?s State of the Art: S-Class DaimlerChrysler Future Electrical Systems in Vehicles Classification of Electrical Systems Electromechanical Brake (EMB) of Continental Teves Electromechanical Brake Actuator Electrical Power Assisted Steering Active Front Steering Technology Fundamental Improvements by Electrical Systems Electrical Distribution System (EDS) Development of the Required Electrical Energy Dual Voltage Vehicle Electrical System ? Topology 42V Powernet ? Advantages and Disadvantages Three-Phase Alternator Starter Battery 12V Working Principle of a PEM-Fuel-Cell System Description ISAD Control Principle ISAD Title Vehicle Lighting Requirements for Headlamp System Bright/Dark Cut-Off Line Construction of Front Headlight Headlight Systems Paraboloid Headlights Illumination-Reflector Diameter Illumination Field-Reflector Focal Length Illumination Field-Reflector Form Poly Ellipsoid (PE) Headlight PE-Plus (combined with VF) Variable Focus (VF) Relative Lighting Power for Identical Headlamp Assembly Space Light Distribution on Lens Light Distribution Light Sources Litronic System Bifunction Litronic Optimization of the Front Illumination Automatic Headlamp Levelling Headlamp Levelling Cornering Light Cornering Light Adaptive Light Distribution Adaptive Light Distribution Concept for Adaptive Front Illumination Control Principle Cornering Light Title New View of Vehicle Development The Elements of Traffic Levels of Vehicle Guidance Levels of Driver Support Interaction between Driver and System Environment Detection by Human Beings Influences of Vehicle Systems on Traffic Legal Basis System Overview Development of Driver Assistance Systems Functional Structure of a Lidar-Sensor Exemplary Concept of (Laser) Sensors Exemplary Concept of (Radar) Sensors Saw-tooth Frequency Modulation of FMCW-Radar Image Processing Test Procedures of Sensor Evaluation Test Procedures of Sensor Evaluation - Steady-state Test - Detection of the Friction Coefficient Analysis of Automatic Steering Regulation Automatic Brake Control Constituents of an Intelligent Cruise Control Unit (ACC) Driver Assistance System: ACC Traffic Flow Simulation Program PELOPS Assessment of ACC Systemsfrom the point of view of Convoys Heading Control Possible Components of Collision Avoidance The Vision: Accident-free Vehicles Complete Autonomous Driving (Vita II) GPS Receiver, Radio Communication Path Levels of GPS-Satellites Equations for GPS-Positioning Principle of DGPS-Navigation SAM - Situation Adaptive Powertrain Management COMPANION Automated highway systems Arrangement in time horizon Automotive Engineering Lecture 3

Active Front Steering Technology ►