STI Paper No. 4 (Vol. 32 - JOURNAL OF GUIDANCE, CONTROL, AND DYNAMICS - July–August 2009)

Approach and Landing Flight Evaluation of Smart-Cue and Smart-Gain Concepts

The smart-cue and smart-gain concepts were developed as a means to alleviate pilot–vehicle-system loss of control in the presence of control surface actuator rate limiting. Both concepts exploit the measure of dynamic distortion, that is, the difference between the actual and an ideal aircraft control system response. The concept of dynamic distortion has significantly evolved in work conducted by Systems Technology, Inc., during a two-phase program sponsored by NASA Dryden Flight Research Center.

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Examine the approach and landing flight-test evaluations conducted using the Calspan Corporation Learjet II In-Flight Simulator:

  • Three test pilots evaluated several smart-cue and smart-gain implementations while performing the precision offset landing task
  • One of the pilots flew on a calm air day
  • The other two pilots flew on days with moderate turbulence and significant crosswinds

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