Parametric identification of multibody models for crash victim simulation

摘要: This paper concerns the parametric identification ofmultibody system models used to predict vehicleoccupant dynamics during crash impacts. The workconsiders problem of identifying contactinteractions between a standard anthropomorphic dummyand its surrounding surfaces -- seat, belt, airbag, etc. directly from measured kinematic data. central theme is that viable, even in caseswhere there only limited test data available, andwhere serious problems ill-conditioning arise. Though study restricted simulation data, and are simplified, work has potential invehicle safety improvement, by providing validatedsystem for use restraint systemoptimisation. methods presented may also prove useful wider class multibody systemidentification problems.