Details: Protocol TTP
Protocol TTP stands for Time-Triggered Protocol.
Protocol TTP, which falls under the communications protocols category,
is used for fault-tolerant, real-time systems. TTP is used in
time-triggered computer systems, often in automation and transportation
industries. Protocol TTP was first developed in the 1980s at the Vienna
University of Technology. The Time-Triggered Protocol is now developed
by TTTech Computertechnik AG of Vienna, Austria which offers a number of
products based on protocol TTP. For example, TTTech developed an
internal communications system used in the Airbus A380 for the cabin
pressure control system as well as an environmental controls system used
in the Boeing 787 Dreamliner. Other TTP-based systems include robotic
vehicles which are controlled by computers, not humans, and digital
engine controllers used on fighter jets. By definition, protocol TTP is
a two channel, 25 Mbit/s time-triggered field bus. Data communication is
broken down into TDMA rounds which are broken down into slots. A
sequence of TDMA rounds creates a cluster. A system of clock
synchronizations, cycle redundancy checks, algorithms, tolerances, and
other controls are used to detect faults and determine which nodes are
faulty.
Associated Protocol TTP Applications:
Primarily used in communications systems in automation and
transportation industries
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