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Human Responses to low frequency conflicting physical and visual linear motion – Hong Kong Research Grants Council

Perceiving conflicting physical and visual motion cues can cause symptoms of motion sickness (MS). However, etiology of MS is still not known. ISO IWA3 (2005) reported that fundamental research to discover the mechanism leading to visually induced MS is much needed. Currently, both Commission Internationale del’Eclairage (CIE/TC1-67) and ISO (ISO/TC159/SC4/SG) are drafting standards concerning visually induced MS.

This study, funded by the Hong Kong Research Grants Council, will apply and extend a cross-over frequency (COF) theory previously proposed for motion sickness to explain and predict human responses to conflicting low-frequency motion. The range of motion frequency also overlaps with the range of motion in tall buildings. Results of the research can predict occupant discomfort in tall building under strong weather conditions.

 The research will take place at the motion simulator located at the CLP Power Wind/Wave Tunnel Facility (WWTF) at HKUST. The PI of the project is Professor Richard So who is a leading expert in motion sickness and ergonomics. He is the Fellow of the Institute of Ergonomics and Human Factors and Member of Commission Internationale de L'eclairage (CIE) Technical Committee TC1-67. A Co-I of the project is Professor Kenny Kwok from the University of Western Sydney, Australia. He is a leading expert in wind-induced tall building vibration.

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