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Automatic flight control with pilot fly-through

  • US 4,642,774 A
  • Filed: 07/01/1982
  • Issued: 02/10/1987
  • Est. Priority Date: 07/01/1982
  • Status: Expired due to Term
First Claim
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1. An aircraft attitude control system comprising:

  • means for receiving a signal representing a preset aircraft attitude;

    means for receiving a signal representing actual aircraft attitude;

    means for combining said signals to provide an error signal as a control output during a first control mode for automatically controlling said aircraft attitude so that said actual aircraft attitude is equal to said preset aircraft attitude;

    means for removing said error signal as said control output during a second control mode and manually substituting a signal as said control output for changing aircraft attitude during said second control mode; and

    means responsive to said error signal for developing a profile signal during said second control mode and modifying said error signal with said profile signal upon return to said first control mode, such that said modified error signal returns said aircraft attitude from a changed attitude to said preset attitude in accordance with a predetermined profile.

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