Research on mental fatigue risk model based on alertness energy

doi:10.16265/j.cnki.issn1003-3033.2019.10.001

China Safety Science Journal ›› 2019, Vol. 29 ›› Issue (10): 1-5.doi: 10.16265/j.cnki.issn1003-3033.2019.10.001

• Safety Livelihood Science • Next Articles

Research on mental fatigue risk model based on alertness energy

SUN Ruishan^1,2, LIU Xiaohui^1,2, WU Di^1,2

1 Flight Technology College, Civil Aviation University of China, Tianjin 300300, China;
2 Research Institute of Civil Aviation Safety, Civil Aviation University of China, Tianjin 300300, China

Received:2019-07-25 Revised:2019-09-03 Online:2019-10-28 Published:2020-10-27

Abstract

Abstract: In order to scientifically describe and effectively predict mental fatigue, a mental fatigue risk model based on alertness energy is proposed. Firstly, by quantifying mental fatigue with energy and characterizing fatigue with alertness, alertness energy, alertness kinetic energy, and alertness potential energy were put forward to develop a alertness energy function. At the same time, supplemental function and consumption function of alertness energy were proposed, explaining that alertness could be supplemented during sleep and consumed while waking up, and then the formula was used to deduct the model with concrete expression of it being obtained. The results show that this model can describe mental fatigue mechanism and generation process more scientifically, thus providing a new calculation way for its prediction and prevention.

Key words: mental fatigue, alertness, alertness energy, alertness kinetic energy, fatigue risk

CLC Number:

X911

SUN Ruishan, LIU Xiaohui, WU Di. Research on mental fatigue risk model based on alertness energy[J]. China Safety Science Journal, 2019, 29(10): 1-5.

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Research on mental fatigue risk model based on alertness energy

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