Skill Evaluation in Point-to-Point Human-Machine Operation

Abstract:

Point-to-point reaching manual actions are present in numerous human-machine tasks. This is due to the fact that machines are commonly handled by a human operator through simple multiple interfaces. Therefore, task-performance evaluation methods based on extending the Fitts' law can be used as a skill estimator for the resulting human-machine system. This paper proposes a methodology for qualifying operator skill in point-to-point (p-t-p) man-machine operations, based on several task-performance index evaluation criteria. A 2-D real-time setup was built for the execution and evaluation of the p-t-p tracking experiences over a predefined process dynamics, using a pen tablet as the human-machine interface device. The analysis from the collected data reveals a correlation between operator performance and the fitting error to Fitts' law.

• Periodical: Applied Mechanics and Materials (Volume 394)
• Pages: 463-469
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.394.463
• Online since: September 2013
• Authors: Rui Antunes, Fernando V. Coito, Hermínio Duarte-Ramos
• Keywords: Fitts Law, Human Adaptive Mechatronics, Human Performance Modeling, Point-to-Point Manual Operations

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