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Open AccessArticle

Vibrotactile Display of Flight Attitude with Combination of Multiple Coding Parameters

by Qiangqiang Ouyang, Juan Wu *,† and Miao Wu
Robotic Sensor and Control Laboratory, School of Instrument Science and Engineering, Southeast University, Sipailou No. 2, Nanjing 210096, China
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Appl. Sci. 2017, 7(12), 1291;
Received: 7 November 2017 / Revised: 1 December 2017 / Accepted: 4 December 2017 / Published: 12 December 2017
Vibrotactile (vibratory tactile) displays have been reported as effective in enhancing awareness of flight attitude for pilots and releasing other heavily loaded sensory channels. Although some work has been done on vibrotactile coding of flight attitude, there is lack of a systematic investigation into coding methods with combination of multiple coding parameters. In this paper, seven coding methods with seven combinations of multiple coding parameters (location, rhythm, intensity, and mode) were systematically studied to cue flight attitude for pilots with vibrotactile vest. We conducted two psychophysical experiments in a static environment in which the attitude information in the form of vibrotactile feedback are presented randomly, and quantitatively evaluated the effectiveness of the vest according to the users’ recognition accuracy, reaction time and information transfer rate. The results show that vibrotactile vest is effective to cue attitude information. The preferred coding method with combinations of location, rhythm and mode allowed users to perform with lowest reaction time and highest recognition accuracy and yield about 255 bits/min of information transfer rate. Overall, the presented work provides valuable insights and guidance for the design of vibrotactile aids for the pilots. View Full-Text
Keywords: flight attitude; vibrotactile coding; vibrotactile display flight attitude; vibrotactile coding; vibrotactile display
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Ouyang, Q.; Wu, J.; Wu, M. Vibrotactile Display of Flight Attitude with Combination of Multiple Coding Parameters. Appl. Sci. 2017, 7, 1291.

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