Bibliographic Details
| Title: |
A Multifactor Combination Optimization Design Based on Orthogonality for a Two-Degree-of-Freedom Floating Machine Gun Vibration System. |
| Authors: |
Wang, Yang1 (AUTHOR), Xu, Cheng1 (AUTHOR), He, Long1 (AUTHOR), Cao, Yanfeng1,2 (AUTHOR) |
| Superior Title: |
Shock & Vibration. 3/11/2024, Vol. 2024, p1-12. 12p. |
| Subject Terms: |
*VIBRATION (Mechanics), *MACHINE guns, *ANALYSIS of variance, *ENERGY storage, *MATHEMATICAL optimization, *BISTATIC radar |
| Abstract: |
This paper introduces a novel type of floating machine gun that can be simplified as a self-balancing two-degree-of-freedom mechanical system with distinct vibration characteristics. The model accounts for intricate motion patterns and encompasses numerous potential influencing factors. Multifactor combination optimization of the system represents a pressing engineering challenge. After establishing a simulation model for the machine gun and validating it experimentally, seven factors were chosen as optimization variables. The maximum recoil displacement of the inner receiver (MRD) and the firing rate were chosen to be indicators. Orthogonal combinations and variance analyses were used, and the effects of multiple factors were analyzed using SPSS software; these processes led to a determination of the optimal combination. The results indicated that the piston cylinder pressure, the bi-directional buffer spring energy storage, and the inner receiver mass significantly affected the MRD. Furthermore, the automaton mass and the reset spring energy storage were found to substantially affect the firing rate. Careful analysis of the variance results facilitated the determination of the optimal combination of parameter values. Remarkably, the optimal combination chosen resulted in an MRD reduction of approximately 20.2% and a firing rate increase of approximately 26.6%. [ABSTRACT FROM AUTHOR] |
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