The power law for the perception of rotation by airline pilots |
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Authors: | Brant Clark John D Stewart |
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Institution: | 1. San Jose State College, 95114, San Jose, California 2. Ames Research Center, NASA, 94035, Moffett Field, California
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Abstract: | The purpose of this study was to determine the power laws for the perception of rotation about the three major body axes. Eighteen airline pilots made magnitude estimates of 5-sec pulses of nine angular accelerations having a range of acceleration x time of 10–150 deg/sec. The results showed that (1) the power law with an exponent of 1.4 describes the subjective motion of these pilots for all three major body axes, (2) the power law also describes the perception of motion for individual pilots with a substantial range of exponents, (3) there were significant correlations among the exponents for the three body axes, and (4) the data suggest that the power law over the wide range used may be more complex than implied by a formula with a single exponent. |
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