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9. Car-Borne
Information System
2005.6
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Agenda
Introduction to Automotive Electronics
Technology and Fields in Automotive
Electronics
Project : Car-borne Information
System
Communication
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The development of Car Industry
1885, Carl Benz invented the first car
3 revolutions in car industry:
1914, Ford invented streamline
50s-60s, European car boost
60s-70, Japanese car industry
In 2002, 57,700,000 new cars are sold.
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The development of Electronic
In 1946 The first computer ENIACwas born in America.
For the past half century Army -> Scientific Research -> Civil
PC Revolution
Internet Economy
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Pervasive computing
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Pervasive computing
Whole new Devices Tablet PC, PDA
Smart Card
Use Information Technology to changethe old devices:
Digital Hospital, Industrial Control Digital Appliance DC Set Top Box
Digital Automotive Industry: AutomobileElectronics
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The birth of Automotive Electronics
Humans new requirement to Car
Mobility
Economy
Safety Stability
Convenient
Traditional mechanical devices can NOTsolve certain problems.
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The birth of Automotive Electronics
Automobile Electronics= Automobile + Electronics
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Features in AE
Require Broad Knowledge Mechanical Engineering, Automobile,
Microelectronics, Automation, Computerhardware, computer software
Different level
Low Level: single chip, PLC
High Level: Embedded OS
No International Standard
Car-borne Bus J1850 ODB-2 CAN LIN IDB
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Agenda
Introduction to Automotive Electronics
Technology and Fields in Automotive
Electronics
Project : Car-borne Information
System
Communication
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Technology and Fields inAutomotive Electronics Hardware
Sensor
Bus
Chip, Storage, Display
Software Platform
Embedded Operating System
Application
Navigation, Positioning, Digital Meter.
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Hardware -- Sensor
Sensor A -> D
Type of sensor
Speed sensor, temperature sensor, light sensor,sound sensor.
No. of sensor in normal car: 30 100
No. of sensor in advanced car:100 300
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Hardware -- Bus
Provide unified data transfer channelfor all kinds of digital devices in car.
CAN Controller Area Network
Invented by BOSCH in Germany
1M bit/s, high speed network
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HardwareChip, Storageand Display Chip:
ARM7, Xscale and other embedded chips
Storage:
CD, DVD, CF Card SD Card
Display:
Touch Screen LCD, LED
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Software EmbeddedOperating Systems
OSEK
http://images.google.com/imgres?imgurl=http://ftp.pluto.it/pub/pluto/loghi/linux.gif&imgrefurl=http://ftp.pluto.it/pub/pluto/loghi/&h=303&w=257&sz=16&tbnid=7eisIgpkAzIJ:&tbnh=110&tbnw=94&start=14&prev=/images%3Fq%3Dlinux%26hl%3Dzh-CN%26lr%3D%26newwindow%3D17/30/2019 9. Case Study
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Application Digital Meter
Traditional Meter Digital Meter
More Clear, More configurable
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Application Digital Map
Easy to search, more information
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Application GPS
Receive the satellite signal and displaycurrent position on the map
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Application Navigation
GPS + GSM + GIS
Can dynamically get the roadinformation
Can update the map via Internet
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Application WirelessPhone
Now, GPRS
Future, 3G
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Application Thief Proof
Set password for the car
Smartcard login
Use GPS to report the current positionvia web server
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Application Entertainment
DVD Player, CD Player
Radio Receiver
Gaming
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Application Diagnosis
Diagnose via various of sensors
Simple: oil, water warning
Complex: engine diagnose
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Application Rearview mirror
Traditional mirror can not see everyplace
Collect pictures through digitalcameras.
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Agenda
Introduction to Automotive Electronics
Technology and Fields in Automotive
Electronics
Project : Car-borne Information
System
Communication
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GPS system invented by China
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Introduction
INTERNET
Car-borne information system is an electronic system
that provides all kinds of information for car drivers andpassengers.
It consists of car-borne information terminal andinformation service out of the car
They are integrated by mobile communication techniqueand wireless network.
It not only includes information display and entertainmentdevice in the car, but also serves as a bridge among car,mobile commerce and traffic information service
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CarStatus
Internet
Diagnosis
GPS
Digital Rearview
mirror
Entertainment
Digital
Meter
Telephone
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Integrated Information
Service Web Server
Error Diagnosis
Database
User
Information DB
Car information
DB
Car Status Information
Proxy Server
Information
Service System
Mechanical devices of the car
Sensors & controller chips
Car-borne Computer
Embedded OSWindows CE
Car-borne
Information
Terminal
Terminal Applications
Drivers & Passengers Users out of the carUsers
Car controllers
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Micro ProcessorIntel PXA270
Windows CE
Touch Screen Digital Camera CAN Bus
Interface
CDMA
Wireless
Module
Other
Hardware
Intelligent
Navigation
Error
Diagnosis
Digital
Meters
Digital
Rearview mirror
Internet Access Other
software
Architecture of Car-borne
terminal
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Get hardware &
BSP from OEMs
Need
Hardware
Design?
Design & develop
your hardware
Develop BSP for
your hardware
Need platform
customization?
Get platform &
SDK from OEMs
Customize your
Win CE platform
Export your SDK
Coding & Testing
Release to
Manufacture
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Get hardware &
BSP from OEMs
Need
Hardware
Design?
Design & develop
your hardware
Develop BSP for
your hardware
Need platform
customization?
Get platform &
SDK from OEMs
Customize your
Win CE platform
Export your SDK
Coding & Testing
Release to
Manufacture