STI Paper No. 63

A Review of Quasi-Linear Pilot Models (STI Classic Paper Series)

An analytical theory of manual control of vehicles has been in development and has emerged as a useful engineering tool for the explanation of past test results and prediction of new phenomena. An essential feature of this theory is the use of quasi-linear analytics models for the human pilot wherein the models' form and parameters are adapted to the task variables in the particular pilot-vehicle situation.

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This paper summarizes:

  • The current state of these models, and includes background on the nature of the models
  • Experimental data and equations of describing function models for compensatory, pursuit, periodic, and multiloop control situations
  • The effects of task variables on some of the model parameters
  • Some data on "remnant" and the relationship of handling qualities ratings to the model parameters

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