Faszination Innovation Trends und Entwicklungen bei Chassis, Fahrwerk und Antrieb

Transcription

1 Faszination Innovation Trends und Entwicklungen bei Chassis, Fahrwerk und Antrieb Dr.-Ing. Peter E. Rieth Continental 2. Sachverständigentag Berlin, 12. September 2006

2 The Continental Corporation Division Structure Continental Corporation Sales (BN ) 13.8 ** Employees 79,800 ** Database: 2005 * Only Europe ** without Motorola Automotive Electronics 2 Continental AG

3 CAS Continental Business Structure 3 Continental AG

4 A Day in a Life of CAS Base 230 working days 4 Continental AG

5 Continental OE Customers worldwide 5 Continental AG

6 The Continental Vision in a Global Automotive Environment Our Vision: Our Way: We make individual mobility safer and more comfortable. Creating value is our driving force Generate customer benefit by cost attractive solutions at highest quality level The Eight Automotive Market Needs Safe Driving Car Security Comfortable / Convenient Driving Environmentally Friendly Driving Driving Performance Low-Cost Cars / Affordable Cars Niche & Lifestyle Cars Intelligent Mobility 6 Continental AG

7 CAS Innovation Process The institutionalized innovation process at CAS integrates strategic and technological aspects and leads to a stream of innovative products. PRODUCT INNOVATION New product ideas Collect/ preselect ideas New project proposals Decision: start, stop, go Projects New products Innovation Office Technology Committee Strategy Committee Search areas Consolidate data Analyze trends & needs Define strategic guideline Product portfolio / competencies PRODUCT STRATEGY 7 Continental AG

8 Market Needs & Technologies The Eight Automotive Market Needs CAS New Products (Selection) Safe Driving EHC ESP II RWS CADS DDS+ APIA Car Security Comfortable / Convenient Driving EPB EPA CADS EHC Environmentally Friendly Driving Hybrid Drives RBS Driving Performance Low-Cost Cars / Affordable Cars Niche & Lifestyle Cars RWS RBS Hybrid Drives Hybrid Drives Intelligent Mobility C2C, C2X RBS Regenerative Brake System EHC Electric Hydraulic Combi Brake ESPII ESP with active Steering Intervention CADS Continental Air Damping System RWS Rear Wheel Steering DDS+ Deflation Detection System Plus EPB Electric Parking Brake APIA Active Passive Integration Approach EPA Enhanced Parking Assist EHP Electro Hydraulic Parking Brake C2C Car to Car Communication C2X Car to X Communication 8 Continental AG

9 Hybrid Drives Motivation Low-Cost Cars / Affordable Cars: cost of mileage Environmentally friendly driving: emissions Conflict Fun Driving: acceleration power adds mileage by start/stop & regen braking * reduces emissions by start/stop & regen braking * adds engine torque by e-drive * new brake system needed 9 Continental AG

10 Hybrid Drives System Roadmaps 10 Continental AG

11 RBS Regenerative Brake System System Layout 1 Electric Machine 2 Power electronics 3 Energy storage 4 EBS (ECU and HCU) 5 SBA (Simulator Brake Actuation) 6 Steering Angle Sensor 7 ESP Sensor Cluster 8 Hydraulic Wheel Brakes 9 Wheel Speed Sensors sensor signals energy lines hydraulic lines brake force of friction brake regenerative brake force 11 Continental AG

12 RBS Regenerative Brake System Components Pedal angle sensor Pedal feel simulator Simulator cut-off device Conventional MK60E / MK25E ECU adapted to additional electrical components Conventional hydraulic wheel brakes Actuation unit with active booster Vacuum pump Modular concept Use of modified, well proven components MK60E, MK25E Active Booster Pedal feel simulator Transparent safety concept signal line hydraulic line 12 Continental AG

13 EHC Electric Hydraulic Combi Brake The Premium Solution for Future Braking Hydraulic Electronic Control Unit with integrated pressure sensors Actuation Steering wheel angle sensor FR RR MK60E MK25E EMB Electric Parking Brake EPB Switch Private CAN EMB FL RL Features outstanding NVH and pedal feel fuel saving by RA pad clearance control easy installation (plug & play) Hydr. front axle brake caliper (2x) Wheel speed sensors (4x) Sensor cluster pad wear monitoring integrated Parking Brake function optimized brake-force distribution 12V technology 13 Continental AG

14 EPB Electric Parking Brake The Comfort Extension of Standard Brake Systems EPB Central Actuator EPB Wheel Actuators (actuates standard combined caliper or DS drum-in-hat) El. combined caliper FNec SA El. DS drum-in-hat brake DSe ESP HECU CAN EPB ECU electric motor / gear electric motor / gear Signals Power EPB ECU Signals Power EPB ECU 14 Continental AG

15 CADS Continental Air Damping System The Premium Solution for Future Ride & Handling Air damping module (3-bellow design) Rolling lobes replace frictional guidance Audi A8 series 4-corner air spring with electrical adjustable damping CADS: passive application Copy Shaking Ride comfort general 10 9 Roll behavior (body) Pitch behavior 4 Features: Integrated leveling control Matching suspension and damping to vehicle load Improvement of acoustics and vibration comfort Impact Rolling comfort Body damping Wheel damping Improved compromise between driving dynamics and comfort Environmentally friendly Lower cost air suspension 15 Continental AG

16 GCC Global Chassis Control Motivation Global Chassis Control (GCC) targets, in the case of a given configuration of electronically controlled chassis-subsystems (ESP, CDC, EAS, EPAS, ESAS, 4WS, ARS,...) under respective given driving conditions the global optimization of active safety driving comfort driving pleasure/fun ESP Electronic Stability Program ARP Active Rollover Protection CDC Continuous Damping Control EAS Electronic Air Suspension EPAS Electric Power Assisted Steering ESAS Electric Steer Assisted Steering 4WS 4-Wheel Steering ARS Active Roll Stabilization 16 Continental AG

17 GCC Subsystem (Brake, Engine & Steering Control) ESP II ESP with Integrated Front Steering Control Hydraulic Electronic Control Unit with integrated pressure sensors MK60E Powertrain management interface Actuation AYC Steering wheel angle sensor ESP Basic Features: Antilock Brake System ABS Traction Control System TCS Electronic Brake Force Distribution EBD Active Yaw Control AYC Enhanced Features: ESAS (Electric Steer Assisted Steering) Superposition of steering angle Wheel speed sensors (4x) EBD Sensor Cluster broader and easier to control stability range reduction of braking distance and steering effort on µ-split surfaces lead steering to increase vehicle responsiveness comfortable compensation of load-alterations optimized Rollover- and Trailer-Stability 17 Continental AG

18 GCC Subsystem (Brake, Engine & Steering Control) ESP II ESP with Integrated (Front) & Rear Steering Control Hydraulic Electronic Control Unit with integrated pressure sensors MK60E Powertrain management interface Actuation Steering wheel angle sensor ESP Basic Features: Antilock Brake System ABS Traction Control System TCS Electronic Brake Force Distribution EBD Active Yaw Control AYC Enhanced Features: Rear wheel steering RWS actuator 2 active tie-rods Wheel speed sensors (4x) Sensor Cluster broader and easier to control stability range reduction of braking distance and steering effort on µ-split surfaces RWS in counter-phase at lower speed for more steering comfort & direct responsiveness smaller turning circle RWS in phase at higher speed for improved vehicle stability comfortable compensation of load alterations optimized Rollover- and Trailer-Stability 18 Continental AG

19 GCC Subsystem Rear Wheel Steering Actuator Electro-mechanical actuation Electro-mechanical actuation data line supply voltage 19 Continental AG

20 DDS+ Deflation Detection System Motivation DDS+ Deflation Detection System Plus Usage of existing ABS-components (wheel speed sensors, ECU) Detects simultaneous pressure drops of 25 % and higher of nominal pressure at up to four tires Data acquisition ECU-Hardware Underinflated tire ABS Software Wheel speed sensors Driving situation detection DDS Software DDS+ Module No Additional Components Vehicle Requirements: CAN Engine Interface Reset Switch / Warning Display 20 Continental AG

21 APIA Active Passive Integration Approach Active Safety to come 21 Continental AG

22 APIA Active Passive Integration Approach Crash Types, Safety Measures Wheel Speed Sensors BA Sensor G C C ARP (Active Rollover Protection) ESC, ESC II ABS Brake Assist, BA+ Driving Dynamics Sensors System Enhancement Telematics C2C based intersection assist (warning) System Enhancement Additional Sensors (camera based Lane Change Assist, APIA) P R E - C R A S H Telematics A P I A Rescue Intersections Lane Changes Crashes with vulnarable traffic participants Rollover Side Crash Front / Rear Crash I N - C R A S H Environment Sensors P O S T - C R A S H Intelligent Protection Systems Active Hood,... Pop-up Rollover Bar, Headbag (PRP),... Sidebag Crash, Roll & Side Sensors Frontairbag Crash Upfront Sensor Pre-Crash measures with headway sensors & telematics to close the Safety Gap! 22 Continental AG

23 APIA Active Passive Integration Approach Crash Probability Calculator Crash Probability 100 % non rev. Actuators Driving Phase Crash Probability Calculator Pre-Crash Phase Crash In-Crash Phase Crash Data Recorder (UDS) Post-Crash Phase reversible Actuators Warnings example column driving Information 0 % Danger Gentle Communication Minor Intensive Operation Communication Major Operation Crash Time Active Safety Passive Safety 23 Continental AG

24 APIA Active Passive Integration Approach Advanced Brake Assist BA+ reaction time pressure build-up time braking time { movement time 100 brake force % series brake system without BA 50 ESP-BA+ conv.-ba series brake system with unobservant driver 0 t t 1 t 2 danger environmental sensors foot reaction (release the accel.) brake pedal contact time [ms] 24 Continental AG

25 APIA Active Passive Integration Approach Front to Rear Crash Scenario 25 Continental AG

26 APIA Active Passive Integration Approach Lane Change Scenario Features: driver warning at dangerous lane change scenarios assists by haptic steering feedback APIA pre-crash protection measures 26 Continental AG

27 EPA Enhanced Parking Assist Steering Assist Utilizing CMOS Camera Assists while selecting the parking gap while parking by steering (optional by additional braking) Features APIA side integrated System Usage of CMOS camera for high measurement accuracy & fast processing Curb detection Gap evaluation & trajectory calculation supported by wheel speed sensor information Networked with EPAS* & ABS or ESP for automated steering into parking gap Brake intervention as option Independent of or integrated with ultrasonic PDC* * EPAS Electric Power Assisted Steering * PDC Park Distance Control 27 Continental AG

28 EPA Enhanced Parking Assist Steering Assist Utilizing Infrared Distance Sensor Assists while selecting the parking gap while parking by steering (optional by additional braking) Features Cost-attractive system Usage of Infrared sideway sensor for high measurement accuracy & fast processing Gap evaluation & trajectory calculation supported by wheel speed sensor information Networked with EPAS* & ABS or ESP for automated steering into parking gap Brake intervention as option Independent of or integrated with ultrasonic PDC* * EPAS Electric Power Assisted Steering * PDC Park Distance Control 28 Continental AG

29 Telematics Motivation (Examples) Safety C2C, C2X ecall Remote local warnings Comfort & Convenience Roadside assistance Remote diagnosis Security Tracing / tracking & recovery 29 Continental AG

30 C2C, C2X Car to Car, Car to Infrastructure,... Motivation (Examples) Danger behind a curve Slippery road ahead Bad visibility Roadworks ahead 30 Continental AG