TL32 ETC, TL32 Datasheet - Page 14
TL32
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TL32
Description
Real Time System Testing MIT 16.070 Lecture 32
Manufacturer
ETC
Datasheet
1.TL32.pdf
(31 pages)
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Redundant Hardware Solutions - A two processor scheme
• Primary sends replica of all its inputs to Secondary
• Secondary runs same software as Primary
• Secondary checks for “pulse” from Primary to verify its health
• If pulse is absent, Secondary takes over the system
• Requires redundant communication lines to all system components
• Many military aircraft systems are built this way
hperry
5/4/01
Primary
Fault Tolerance
Secondary