What do pilot inputs actually mean to fly by wire aircraft?

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Is stick input considered “desired turn rate” “desired angle of attack” or something else?

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Anonymous 0 Comments

A lot of modern fly by wire is a pilot input saying “I want to do this (Roll/Bank/Yaw)” and the plane then decides how much it will do. The force used by the pilot is interpreted as an “urgency” input more than anything else.

If a pilot jams the controls over the plane will consider it’s current configuration and give the pilot the maximum allowed effect. This can vary wildly depending on phase of flight, weight, power, speed, and if wheels/flaps are up or down. If you’re low and slow with all your gear down the effect will be different to a high speed level flight response. You may get 10° angle of bank or you may get 45°. It’s up to the pilot to know what to expect.

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