In naval engineering and related disciplines, it is common for dynamic models of the human body to be used in conjunction with quantitative records of body and ship motions, in order to study human balance behaviour while performing various shipboard activities. Research in this area can lead to improvements in ship operations and designs that improve crew safety and efficiency. This paper presents the development of a new spatial 18 degree-of-freedom (DOF)1 ship-inverted pendulum model that incorporates 6 DOF ship motion and 3 DOF joints representing ankle, knee, hip, and neck motions. The derived model is then validated by comparing it to similar models derived using alternative methods but simulated under equivalent input conditions.

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Keywords Human postural stability, Inverted pendulum., Kane's method
Journal Transactions of the Canadian Society for Mechanical Engineering
Bourgeois, N.R. (Nicholas R.), & Langlois, R.G. (2016). Derivation and validation of a spatial multi-link human postural stability model. Transactions of the Canadian Society for Mechanical Engineering, 40(2), 155–167.