Common tasks of vehicle operation are performad while seated. Using a whole-body human articulated model, we propose a methodology of predictingrealistic seated postures that is based on optimising multiple-objective functions. The idea of zero-moment point (ZMP), inspired from the stability of bipedal motion, is applied to the seated postures as the main criterion for stability. An effecient formulation of ZMP is derived from the resultant reaction loads, which are also necessary to predict seat reaction forces. The required joint actuator torque is calculated and is within the limits. Several seated posture examples with different tasks (external forces and target points) show associated natural postures with different stability levels.
Multi-objective optimisation approach for predicting seated posture considering balance
Multikriterielles Optimierungsverfahren zur Vorhersage sitzender Körperhaltung in Anbetracht des Gleichgewichts
International Journal of Vehicle Design ; 51 , 3/4 ; 278-291
2009
14 Seiten, 9 Bilder, 1 Tabelle, 18 Quellen
Article (Journal)
English
Multi-objective optimisation approach for predicting seated posture considering balance
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