New Industrial Networks In Cars الشبكات الصناعية الحديثة في السيارات

1. Presented by :
Wissam Kafa
Supervisors :
Dr.Michel AlSaba
Dr.Adel Al kafery
Mr.Fahmi Ammareen
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New Industrial Networks in
Cars

2. The Outlines
Introduction of the Industrial Networks
Real Time Systems
Event and Time Triggered Systems
The Industrial Networks Management
The FlexRay Protocol
Conclusion
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3. The Outlines
Introduction of the Industrial Networks
Real Time Systems
Event and Time Triggered Systems
The Industrial Networks Management
The FlexRay Protocol
Conclusion
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4. Introduction of the Industrial Networks
 What are the Industrial Networks?
 Networks that replace the Mechanical
parts in a system with electronic ones.
 X-by-wire systems
 Especially in the automotive systems
 Characteristics
 Safety and reliability
 High speed data transmission
 Cost effective
 Easy to upgrade the system
Wires
Sensors
and
Actuators
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5. Industrial Network in an automotive
system
Industrial Networks
Applications in a car
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6. The Outlines
Introduction of the Industrial Networks
Real Time Systems
Event and Time Triggered Systems
The Industrial Networks Management
The FlexRay Protocol
Conclusion
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7. Real Time Systems
 1- Soft Real Time Systems
 EX: windscreen wipers system
 2- Hard Real Time Systems
 Safety critical systems
 EX: airbag deployment system
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8. The Outlines
Introduction of the Industrial Networks
Real Time Systems
Event and Time Triggered Systems
The Industrial Networks Management
The FlexRay Protocol
Conclusion
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9. Event and Time Triggered Systems
 Event Triggered systems :
 All the activities are invoked by the occurrence of an event
 Dynamic schedule
 Used for soft real time systems
 Time Triggered systems:
 Static schedule
 Deterministic systems
 Safety critical systems
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10. The Outlines
Introduction of the Industrial Networks
Real Time Systems
Event and Time Triggered Systems
The Industrial Networks Management
The FlexRay Protocol
Conclusion
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11. The Industrial Networks Management
 Several Protocols are used like :
 CAN (Controller Area Network)
 TTP (Time Triggered Protocol)
 TTCAN
 FlexRay
 Several Fault Management Technique:
 Fault Avoidance
 Fault Removal
 Fault Detection
 Fault Tolerance(Especially in FlexRay)
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12. The Outlines
Introduction of the Industrial Networks
Real Time Systems
Event and Time Triggered Systems
The Industrial Networks Management
The FlexRay Protocol
Conclusion
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13. The FlexRay Protocol:
 FlexRay Consortium in 2000
 BMW X5 in 2007
 Event and time triggered
 Fault tolerance
o Redundancy
o independency
 Data rate :
 2 channels bus: up to 20 Mbps
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14. A FlexRay Network
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15. A FlexRay Node
 Figure 3: FlexRay node
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16. Flexibility of the FlexRay
Passive Bus
Active StarMixed
Several topologies are possible
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17. Flexibility of the FlexRay
FlexRay cycle
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18. The Outlines
Introduction of the Industrial Networks
Real Time Systems
Event and Time Triggered Systems
The Industrial Networks Management
The FlexRay Protocol
Conclusion
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19. Conclusion
 The Industrial Networks are replacing the
traditional components in the automotive industry.
 CAN protocol has reached its performance limits
 TTP protocol does not have the required
Flexibility
 TTCAN protocol , does not have required safety
and data transfer rates.
 The FlexRay focus on today’s Automotive
industry needs.
 FlexRay offers the best compromise between the
other protocols
Finally
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