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作 者:任杰[1] 刘洋佐 马大为[1] REN Jie;LIU Yangzuo;MA Dawei(School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China)
机构地区:[1]南京理工大学机械工程学院,江苏南京210094
出 处:《国防科技大学学报》2023年第4期153-161,共9页Journal of National University of Defense Technology
基 金:国家部委基金资助项目(613223,304060502);国家自然科学基金资助项目(51303081)。
摘 要:重载导弹发射车多使用4轴连通式双气室油气悬架,为了研究其连通耦合效应,以便对发射车设计进行参考。在2轴连通式油气悬架数学模型的基础上,基于AMESim软件分别建立2轴/4轴连通式双气室油气悬架系统的仿真模型,在几种不同信号频率与相位激励下分析了多轴连通式双气室油气悬架系统的连通耦合效应影响。结果表明:连通式油气悬架在低频激励作用下具有明显的阻尼特性。4轴连通式悬架系统与2轴连通式悬架系统相比,其外特性具备明显优势。连通式油气悬架系统受低频激励时外特性表现比较激烈,而在受高频激励时外特性表现良好,这说明系统在处于高频环境时更能衰减系统的不同步振动。Heavy missile launchers mostly use 4-axles linked dual-chamber HPS(hydropneumatic suspension),in order to study their linkage coupling effect for the reference of launcher design.The simulation models of an interconnected HPS of two-axles and four-axles were built based on the mathematic model and AMESim software.Based on this,the influence of the coupling effect of the multi-axles connected twin-accumulator HPS system was analyzed under several different excitation frequencies.The results show that even under low-frequency excitation,the multi-axis interconnected HPS has obvious damping characteristics.Compared with the two-axles interconnected HPS system,the external characteristics of the four-axles interconnected HPS system have advantages.The external characteristics of the connected HPS system are more intense when excited by low frequency and good when excited by high frequency,indicating that the system can attenuate the asynchronous vibration of the system when it is in a high frequency environment.
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