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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%3D1

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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

http://www.nbdoor.com/2004/2-29/133936.html

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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

http://wuhan.sohu.com/sohu/htm/autogirl/focusnews/20040413091507.html

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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