Human-rifle musculoskeletal model and its inverse dynamic simulation

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (9) : 100-105.

YANG Yang1,2, WANG Ya-ping2, XU Cheng2, Chen liqing1, ZHANG Wei2

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Abstract

Here, the gun-controlling characteristics of a shooter were studied during continuous firing. Shooters’ 15 continuous firing kinematic attitude data were captured with a 3-D motion capturing system. The human-rifle musculoskeletal model was built adopting the human body bio-mechanics modeling software AnyBody. Using the shooting kinematic data to drive the human-rifle model, the laws for muscle and joint reaction forces of a shooter were obtained based on the principles of inverse dynamics. The simulation results showed that the proposed model can better simulate the bio-mechanical characteristics of human body under recoil loads during continuous firing; the study results provide a basis for deeply studying dynamic responses of human body under continuous impacts in shooting process.

Key words

rifle / human-rifle musculoskeletal model / continuous impact / muscle force-bearing / joint reaction force.

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YANG Yang1,2, WANG Ya-ping2, XU Cheng2, Chen liqing1, ZHANG Wei2. Human-rifle musculoskeletal model and its inverse dynamic simulation[J]. Journal of Vibration and Shock, 2018, 37(9): 100-105

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