Effects of Linear Perspective on Human Use of Preview in Manual Control

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Abstract

Due to linear perspective, the visual stimulus provided by a previewed reference trajectory reduces with increasing distance ahead. This paper investigates the effects of linear perspective on human use of preview in manual control tasks. Results of a human-in-the-loop tracking experiment are presented, where the linear perspective's horizontal and vertical deformations along the previewed trajectory were applied separately and combined, or were absent (plan-view task). Measurements are analyzed with both nonparametric and parametric system identification techniques, in combination with a quasi-linear human controller model for plan-view preview tracking tasks. Results show that reduced visual stimuli in perspective tasks evoke less aggressive control behavior, but that the human's underlying control mechanisms are still accurately captured by the model. We conclude that human controllers use preview information similar in plan-view and perspective tasks.

Original languageEnglish
Pages (from-to)496 - 508
Number of pages13
JournalIEEE Transactions on Human-Machine Systems
Volume48
Issue number5
DOIs
Publication statusPublished - 2018

Keywords

  • Adaptation models
  • Analytical models
  • Human factors
  • Linear perspective
  • man–machine systems
  • Man-machine systems
  • manual control
  • parameter estimation
  • preview
  • system identification
  • Target tracking
  • Trajectory
  • Visualization

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