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9. Car-Borne Information System. 2005.6. Agenda. Introduction to Automotive Electronics Technology and Fields in Automotive Electronics Project : ”Car-borne Information System” Communication. The development of Car Industry. 1885, Carl Benz invented the first car
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Agenda • Introduction to Automotive Electronics • Technology and Fields in Automotive Electronics • Project : ”Car-borne Information System” • Communication
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.
The development of Electronic • In 1946, The first computer ENIAC was born in America. • For the past half century • Army -> Scientific Research -> Civil • PC Revolution • Internet Economy
Pervasive computing • Whole new Devices • Tablet PC, PDA • Smart Card • Use Information Technology to change the old devices: • Digital Hospital, Industrial Control • Digital Appliance:DC,Set Top Box • Digital Automotive Industry: Automobile Electronics
The birth of Automotive Electronics • Human’s new requirement to Car: • Mobility • Economy • Safety • Stability • Convenient • Traditional mechanical devices can NOT solve certain problems.
The birth of Automotive Electronics Automobile Electronics = Automobile + Electronics
Features in AE • Require Broad Knowledge • Mechanical Engineering, Automobile, Microelectronics, Automation, Computer hardware, 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
Agenda • Introduction to Automotive Electronics • Technology and Fields in Automotive Electronics • Project : ”Car-borne Information System” • Communication
Technology and Fields in Automotive Electronics • Hardware • Sensor • Bus • Chip, Storage, Display • Software Platform • Embedded Operating System • Application • Navigation, Positioning, Digital Meter.
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
Hardware -- Bus • Provide unified data transfer channel for all kinds of digital devices in car. • CAN(Controller Area Network) • Invented by BOSCH in Germany • 1M bit/s, high speed network
Hardware –Chip, Storage and Display • Chip: • ARM7, Xscale and other embedded chips • Storage: • CD, DVD, CF Card,SD Card • Display: • Touch Screen,LCD, LED
Application – Digital Meter • More Clear, More configurable Traditional Meter Digital Meter
Application– Digital Map • Easy to search, more information
Application– GPS • Receive the satellite signal and display current position on the map
Application– Navigation • GPS + GSM + GIS • Can dynamically get the road information • Can update the map via Internet
Application– Wireless Phone • Now, GPRS • Future, 3G
Application– Thief Proof • Set password for the car • Smartcard login • Use GPS to report the current position via web server
Application– Entertainment • DVD Player, CD Player • Radio Receiver • Gaming
Application– Diagnosis • Diagnose via various of sensors • Simple: oil, water warning • Complex: engine diagnose
Application– Rearview mirror • Traditional mirror can not see every place • Collect pictures through digital cameras.
Agenda • Introduction to Automotive Electronics • Technology and Fields in Automotive Electronics • Project : ”Car-borne Information System” • Communication
Introduction • Car-borne information system is an electronic system that provides all kinds of information for car drivers and passengers. • It consists of car-borne information terminal and information service out of the car • They are integrated by mobile communication technique and wireless network. • It not only includes information display and entertainment device in the car, but also serves as a bridge among car, mobile commerce and traffic information service
Telephone GPS Internet Car Status Entertainment Digital Meter Diagnosis Digital Rearview mirror
Error Diagnosis Database Car information DB User Information DB Information Service System Car Status Information Proxy Server Integrated Information Service Web Server Drivers & Passengers Users Users out of the car Terminal Applications Car-borne Information Terminal Embedded OS(Windows CE) Car-borne Computer Car controllers Sensors & controller chips Mechanical devices of the car
Architecture of Car-borne terminal Intelligent Navigation Error Diagnosis Digital Meters Digital Rearview mirror Internet Access Other software Windows CE Micro Processor– Intel PXA270 Touch Screen Digital Camera CAN Bus Interface CDMA Wireless Module Other Hardware
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Need Hardware Design? Design & develop your hardware Get hardware & BSP from OEMs Develop BSP for your hardware Need platform customization? Customize your Win CE platform Get platform & SDK from OEMs Export your SDK Coding & Testing Release to Manufacture