Funkschlüssel. Grundlagen, Entwicklung und Funktionen

Transkript

1 Bitte decken Sie die schraffierte Fläche mit einem Bild ab. Please cover the shaded area with a picture. (24,4 x 11,0 cm) Funkschlüssel Grundlagen, Entwicklung und Funktionen

2 Agenda Überblick Automotive Division Warum Schlüssel? Schlüsselmodelle Basisfunktionen Funkschlüssel Schlüsselloser Zugang (PASE) Herausforderungen Zukünftige Entwicklungen 2

3 Continental Corporation Five Strong Divisions Chassis & Safety Powertrain Interior Tires ContiTech Vehicle Dynamics Engine Systems Instrumentation & Driver HMI PLT, Original Equipment Air Spring Systems Hydraulic Brake Systems Transmission Infotainment & Connectivity PLT, Repl. Business, EMEA Benecke-Kaliko Group Passive Safety & Sensorics Hybrid Electric Vehicle Body & Security PLT, Repl. Business, The Americas Compounding Technology Advanced Driver Assistance Systems (ADAS) Sensors & Actuators Fuel Supply Commercial Vehicles & Aftermarket PLT, Repl. Business, Asia Pacific Commercial Vehicle Tires Conveyor Belt Group Elastomer Coatings Two Wheel Tires Fluid Technology Power Transmission Group PLT Passenger and Light Truck Tires Vibration Control March 13, 2014 Continental Automotive GmbH 3

4 Business Unit Body & Security Product Overview (main products only) Pneumatic Seat System Seat Control Unit Intelligent Antenna Module Immobilizer Central Gateway Start-Stop Button Car Key/ID LED/Lighting and AFS Control Unit Window/Door and Sunroof Control Unit Central Body Control Module RKE & PASE Control Module DC/DC Converter TPMS Sensor (valve mounted) etis Sensor (tire mounted) March 13, 2014 Continental Automotive GmbH 4

5 Business Unit Body & Security Very Comprehensive Product Portfolio (Highlights I) Body Control Modules Door Control Units Seat Control Units Features Relays & fuse box with integrated electronics Complete lighting control Wiper control Control of head lamp and windshield cleaning I/F to climate control and to electrohydraulic brake High current PCB for power distribution Proprietary solder free contact system CAN and serial I/F av. production per day: ~ 73,000 units Features Power window control with best in class anti-trap (also optional) Mirror adjustment, heating, optional: memory and folding Optional: Central door locking and signal lighting Optional: RF-remote control LIN, CAN (or J-1850) I/F av. production per day: ~ 45,000 units Features Up to 8 directions of adjustment Soft-Start functionality Control of air cushions for contour adjustment Automatic headrest adjustment Easy entry and exit operation with anti-trap protection Key related memory function Occupant Sensing av. production per day: ~ 14,700 units March 13, 2014 Continental Automotive GmbH 5

6 Business Unit Body & Security Very Comprehensive Product Portfolio (Highlights II) Passive Start and Entry Tire Information Systems Gateways Gateways Features 433 MHz/ 315 MHz (optional 868 MHz) PEG: Challenge-Response encryption Semiconductor MUX for adaptive antenna with current control (EMI ) ±10cm interior/exterior discrimination for ID Standalone ECU or Integrated in BCM Features etis - advanced tire intelligence and cutting edge performance Driver: Enhanced tire maintenance solutions (TPMS, Tread Depth Filling Assistant etc) Vehicle: Robust tire data as input to enhance other vehicle systems (Chassis & Powertrain) Cloud: Pioneering new VEHICLE to CLOUD services Converting tire intelligence into cutting edge solutions Features Operation of vehicle network systems like CAN, LIN, MOST, FlexRay and Ethernet AUTOSAR conform development Vehicle network master & monitor Vehicle diagnostic interface High speed vehicle SW update Easy implementation of new vehicle functions without changing E/E architecture Vehicle application server (SyD) av. production per day: ~ 6,000 systems av. production per day: ~ 62,500 wheel units av. production per day: ~ 17,000 units March 13, 2014 Continental Automotive GmbH 6

7 Business Unit Body & Security New Products and Innovations (excerpt) Seat Comfort Systems Exterior Light Control Units electronic -Tire Information Systems (etis) Intelligent Antenna Modules Individual adjustment of seat contour by separated air cushions for shoulder and lumbar area Stabilization of side hold by air cushions Back relaxation by dynamical lumbar functionality Continental as System Supplier (ECU, valves, pump) High performance LED Control for exterior lighting Control of Adaptive Front Lighting (AFL) and leveling Optimized thermo- management Current control LED codings Innovative business field Monitoring of tire pressure and temperature Optimization of driving dynamic algorithms incl. friction detection Chassis functions (ESP, ABS) driver information power-train functions Integration in vehicle architecture Central air/car interface & gateway for all wireless services Integration of External antennas (GPS, Phone, WLAN, ) Long Range ([AM/FM, HD],...) Internal antennas (RKE/PASE/TPMS, WLAN, ) Tuners and transceivers Increased performance & flexibility at reduced cost & weight Supporting Always on March 13, 2014 Continental Automotive GmbH 7

8 Grundlagen Funkschlüssel Warum Schlüssel? Eindeutige Zuweisung Schlüssel zu Fahrzeug (Identifikation) Versicherungsschutz nur mit EWS (Immobilizer) Unterschiedliche Fahrzeugeinstellungen in Abh. vom Schlüssel (Personalisierung) Verschiedenste Komfortfunktionen Speicher für Diagnose-Einträge 8

9 Grundlagen Funkschlüssel Typenübersicht ID Geber (ID tag) Funkschlüssel (RKE) Keyless Entry Keyless Entry BiDir Keyless Entry RKE PASE Status LED(s) PASE Wegfahrsperre RKE PASE Transponder Notschlüssel Wegfahrsperre RKE Notschlüssel Wegfahrsperre Notschlüssel 9

10 Grundlagen Funkschlüssel Mechanischer Aufbau (Ford PEPS UniDir MY13) Rückseite Europa US & Asia Pacific 10

11 Grundlagen Funkschlüssel Mechanischer Aufbau (Ford PEPS UniDir MY13) Tastenfeld (lock / unlock / trunk buttons) (+) Kontaktfeder (contact spring (+) Batterie 1 (CR2025) (battery 1) Obere Gehäuseschale (upper housing) Chrom-Schlüsselring (die cast key ring loop) Schlüsselring (key ring) Anpresshilfe (compression foam) Folie (foil) (-) Kontaktfeder (contact spring (-) Batterie 2 (CR2025) (battery 2) Mittlere Gehäuseschale (middle housing) Anpressfeder (compression spring) Batterieschlitten (slider) Gummieinlage Tastenfeld (key pad) Kundenlogo (OEM logo) Leiterplatte (PCB) Notschlüssel (emergency key) Untere Gehäuseschale (lower housing) 11

12 Basisfunktionen Funkschlüssel Karosseriesteuergerät (Body controller) 1. Controller 2. HighPower-Ausgang (z.b. Heckscheiben- Heizung 3. Treiber für externe Beleuchtung 4. Relais Scheibenwischer 5. Datenbus-/Sensor- Schnittstellen LF-Antennen Ausführungen: Basic Function Controller Compact Function Controller Advanced Function Controller 12

13 Basisfunktionen Funkschlüssel Karosseriesteuergerät im Verbund 13

14 Grundfunktionen RKE ESD protection Battery 3V Controller LF Passive Battery Filter and Protection RF-TX coil Rectifier Volt. limiter Modulator LDO Reg Supply Switch Logic Reset Logic Brown out detect. Wake-Up Sense PA PA Regulator RF antenna circuit Switch 1 x LED 1 x Clock recovery Demodulato r LF Field Detection IO Ports Test / Debug / Scan logic Immo Interface unit 10-Bit ADC RISC Controller INT control ULP EEROM Crypto Coprocessor HT2 AES Timer Counter HT3 Mark III Watchdog Random Number genrator System clock RAM ROM EROM Frac N Digital mash RINGO & Loop filter RINGO LDO HSDig LDO Prog divider PFD XTAL oscillator Quartz 14

15 RF Antenne Lock / Unlock Funktion Controller Open collector ISM Bänder 315 MHz 433,92 MHz 434,42 MHz 868 MHz 915 MHz Modulation (AM / FM): Frequency Shift Keying (FSK) / Phase Shift Keying (PSK) Amplitude Shift Keying (ASK) Trägerfreqenz ft Resonanzüberhöhung ISM: Industrial, Scientific and Medical Band 15

16 Grundfunktionen RKE Schlüsseltyp (Controller) / Protokoll Trägerfreq. / Baudrate AGC Anpassung Empfangsfeldstärke (Automatic Gain Control) Header Startcode Erkennung Key ID Schlüssel-Seriennummer (PUBLIC) Crypto Algorithmus (SECRET) Tastenfunktion SI Counter LOCK / UNLOCK / TRUNK mit eigener Signatur hinterlegt INC bei jedem Tastendruck RSK Crypto Remote Secret Key CHK Checksumme 16

17 Grundfunktionen PASE ESD protection Battery 3V 3D coil X coil or Controller LF Passive Battery Filter and Protection RF-TX Y coil Z coil LF (125kHz) Switch 1 x LED 1 x Rectifier Volt. limiter Modulator Clock recovery Demodulato r LF Field Detection IO Ports Test / Debug / Scan logic LDO Reg RISC Controller Crypto Coprocessor Supply Switch Logic Reset Logic Brown out detect. Wake-Up Sense Immo Interface unit 10-Bit ADC INT control ULP EEROM HT2 AES Timer Counter HT3 Mark III Watchdog Random Number genrator System clock RAM ROM EROM Frac N Digital mash PA PA Regulator RINGO & Loop filter RINGO LDO HSDig LDO Prog divider PFD XTAL oscillator RF antenna circuit Quartz 17

18 Herausforderungen Übersicht Batterielebensdauer (z.b. 2 Jahre mit CR2032) Funkreichweite Empfindlichkeit Reibkorrosion Elektrostatik (ESD) Bauraum / Platzbedarf PCB Design / Haptik 18

19 Herausforderungen ESD Primärfunke: begrenzt durch HBM (150pF / 330W) Sekundärfunke: Niedrige Impedanz geringer Abstand steile Flanken Stark erhöhte E- bzw. H-Felder Stark erhöhte Abstrahlung / Einkopplung + Primärentladung GND Sekundärentladung 19

20 Ausblick & zukünftige Entwicklungen Technologie vorhanden (Marktakzeptanz): Funkschlüssel mit OLED (BiDir / Long range) Bluetooth low energy (BLE) NFC (Smartphone, Payment) nach ISO14443A / (13,56MHz) Keyless-Go (Walk away locking) Remote Engine Start (RES) Zukünftige Technologien: Wireless Charging Komfortfunktionen via Handy Embedded components: Active Mulitlayer Technology (AML) 20

21 Zukünftige Technologien Embedded Components (AML) PCB-Technologie zur Einbettung von Bauteilen im Inneren einer Platine Hauptsächlich für SMD-Bauteile Passive und aktive Bauteile können eingebettet werden 1996 von Hofmann Leiterplatten GmbH (Regensburg) patentiert 21

22 Zukünftige Technologien Embedded Components 22

23 Zukünftige Technologien Embedded Components (AML) Vorteile Weitere Miniaturisierung EMV/ESD-Schutz durch zusätzliche Metallisierung Kürzere Signalwege Schutz vor Umwelteinflüssen (Stoß, Vibration, Druck usw.) Nachteile Defekte Teile im Inneren können nicht repariert oder gewechselt werden Höhere Herstellungskosten Mehr Ausfälle bedingt durch Herstellungsprozess Bessere Wärmeverteilung Berührungsschutz / Gehäuseersatz Schutz vor Nachbau 23

24 Vielen Dank für Ihre Aufmerksamkeit! 10. April