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- W4382397500 abstract "Vibration characteristic is an important factor affecting the motion of rocket in the launcher and its firing performance. In this paper, a rocket-launcher coupling dynamics model is proposed by applying the transfer matrix method for multibody systems. Considering manufacturing error and nonlinear contact force, the dynamics equations of the rocket-launcher coupling system during the whole process of firing are deduced. Combined with the dynamics model and equations, a dynamics simulation system is developed with uncertain parameters. The uncertain parameter description scheme and probability sampling scheme are proposed to obtain dynamics characteristic and firing performance of the system. The relevant tests are carried out to verify simulation results. Then, the factors affecting the firing performance are discussed. In view of the analysis results, the influence weight of initial disturbance on firing precision is 85% under the condition of full-loading continuous firing, and the swing angular velocity of rocket at muzzle is the main influence factor." @default.
- W4382397500 created "2023-06-29" @default.
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- W4382397500 date "2023-06-28" @default.
- W4382397500 modified "2023-09-23" @default.
- W4382397500 title "Dynamics modelling and influencing factor analysis of a rocket-launcher coupling system considering uncertain parameters" @default.
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- W4382397500 doi "https://doi.org/10.1177/10775463231186202" @default.
- W4382397500 hasPublicationYear "2023" @default.
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