Reliable Solutions for Safety-Critical AFDX Applications
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Fifth Level February 17, 2017 Reliable Solutions for Safety-Critical AFDX Applications
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Second Level
Third Level– Fourth Level
Fifth Level
February 17, 2017
Reliable Solutions for Safety-Critical AFDX Applications
217.02.2017
Requirements for Modern Avionic Systems
Safe
DO-254DO-178B
Safety Levels (up to DAL-A) Fault-tolerant
Redundancy
Availability
BITECertified
Robust
Conduction Cooled
SEU resistantAFDX
317.02.2017
AFDX and it’s Role for Avionics
Avionic Full Duplex Switched Ethernet Communication backbone of modern aircrafts
Based on IEEE 802.3 standard Ethernet Technology
Virtual Link Communication
Deterministic Timing
Guaranteed Bandwidth
Physical Redundancy
Standardized as ARINC664 Part7
AFDX Switch
Sub SystemSender
AFDXEnd System
Sub SystemRecipent
AFDXEnd System
Sub SystemRecipent
AFDXEnd System
Sub SystemRecipent
AFDXEnd System
Virtual Links Replace ARINC-429
AFDXEndsystem
AFDXEndsystem
AFDXEndsystem
Rx Buffer
AFDX Switch
Rx Buffer
Tx Buffer
Tx Buffer
Rx Buffer
Tx Buffer
Processing Unit
ConfigurationForwarding Table
Rx Buffer
AFDX Switch
Rx Buffer
Tx Buffer
Tx Buffer
Rx Buffer
Tx Buffer
Processing Unit
ConfigurationForwarding Table
517.02.2017
CS1 – FPGA with Integrated AFDX Protocol
AFDX functionality integrated in a flash based FPGA
SEU (Single Event Upset) resistant
On-board AFDX protocol stack implementation
Interoperable with Airbus and Boeing (ES-DFS 4.1 and ARINC-664p7)
DAL-A/B certifiable
Host driver with ARINC-653 compliant port API
Integrated SNMP/ICMP support
617.02.2017
P522 – AFDX/ARINC-664 Interface PMC
Two full duplex AFDX networks
Onboard AFDX End System protocol stack implementation
Onboard CPU for SNMP and ICMP traffic
-40 to +85°C with qualified components
32-bit/33-MHz PMC
717.02.2017
A602/D602 – Triple-Redundant Safe Computer
Triple redundancy on a single SBC
Lock-step architecture
Safe computer, certifiable up to DAL-A
SEU (radiation) tolerant
Developed according to RTCA DO-254, EN 50129 and IEC 61508
Up to -40 to +70C with qualified components
Convection or conduction cooling
With safety operating systems PikeOS and VxWorks
817.02.2017
Flexible Reliability
Flexible AFDX functionality in FPGA
Safety-measures like Redundancy SEU resistancy Determinism
Developed according to relevant avionic standards
Prepared for certification up to DAL-A
