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Autopilot hardover failure protection system

  • US 4,043,526 A
  • Filed: 02/23/1976
  • Issued: 08/23/1977
  • Est. Priority Date: 02/23/1976
  • Status: Expired due to Term
First Claim
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1. An autopilot failure protection system for an aircraft, comprising:

  • first signal processing means responsive to a signal indicative of the actual pitch attitude of the aircraft and for producing thereform a pitch rate signal and a warning signal;

    nuisance disconnect inhibiting means for receiving the pitch rate signal and an aircraft elevator signal and for producing an inhibit signal; and

    first summing means for receiving the warning signal and the inhibit signal, for producing a disengagement signal which represents the combination of the warning signal and of the inhibit signal, and for providing the disengagement signal to an aircraft autopilot.

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