Abstract
Parachute deceleration system is a major means for deceleration and attitude control after airdrop weapon is delivered. In this paper, a 9-DOF rigid articulated model of parachute system is established, and the analytical solution of the interaction force on joint point is given. The simulation results show that the rigid hinge has higher computational efficiency than the traditional spring-damped connection, and the analytical solution of the rigid hinge has higher integral stability and is less sensitive to the initial integral value and integral step size. On the other hand, the analytical solution of the rigid articulation interaction force can provide a reference for the parameter design of the airdrop weapon pilot with a deceleration parachute.
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