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  4. Simulation of a Standing Passenger during Driveaway using Optimal Control
 
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2023
Conference Paper
Title

Simulation of a Standing Passenger during Driveaway using Optimal Control

Abstract
Digital Human models play an important part in vehicle development and safety stud ies. Currently, they are mainly used in static ergonomics studies or highly dynamic and complex crash simulations. In this work, we present the use of human models for scenarios that lie between these domains. Using optimal control, we simulate the dynamic behavior of a passenger during a bus driveaway. The human is modeled as a rigid multibody system transferred of the 50th percentile male of the THUMS ’family’ and is actuated via different actuation models. Using discrete mechanics and optimal control for constrained systems (DMOCC), the actuation profiles are optimized for different scenarios and motion strategies and then compared. The simulation results show that the compensation of the starting maneuver is significantly more difficult with an orientation against the driving direction in contrast to an orientation in the driving direction.
Author(s)
Harant, Monika  
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Obentheuer, Marius  
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Roller, Michael  
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Linn, Joachim  
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Mainwork
MULTIBODY 2023, 11th ECCOMAS Thematic Conference on Multibody Dynamics  
Conference
Thematic Conference on Multibody Dynamics 2023  
Link
Link
Language
English
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Keyword(s)
  • Optimal Control

  • Biomechanics

  • Human Modeling

  • Vehicle Ergonomics

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