Methods and apparatus for implementing mid-value selection...

Details Methods and apparatus for implementing mid-value selection... Methods and apparatus for implementing mid-value selection...

2005-10-06

2008-09-02

Zanelli, Michael J. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Aeronautical vehicle

Reexamination Certificate

active

07421320

ABSTRACT:
A system providing mid-value selection (MVS) for control command output in a fly-by-wire system where the fly-by-wire systems includes a plurality of primary flight computers (PFCs) receiving data through integrated flight control buses from actuation control electronics (ACE) for flight crew and status sensor inputs, the PFCs providing data through the flight control buses to the ACE for control signal output, provides elements for receiving in an ACE data from each PFC and receiving a data valid signal with respect to each PFC. Fresh data for each PFC is selected as the data received or past MVS output responsive to the respective data valid signal. Based on a predetermined criterion the system chooses from the PFC fresh data a selected set of PFC fresh data as the MVS output and stores the MVS output for use.

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