高速机动条件下坦克行进间火炮非线性振动动力学研究

doi:10.3969/j.issn.1000-1093.2019.07.002

摘要/Abstract

摘要： 为研究高速机动条件下坦克行进间非线性振动情况，基于动态协同仿真方法，建立了坦克行进间机械、电气与液压联合仿真模型。分别在机电一体化仿真软件Amesim中建立液压子系统模型，在仿真软件MATLAB/Simulink中建立控制子系统模型，在多体系统动力学软件RecurDyn中建立考虑身管柔性等多个非线性因素的坦克机械系统模型。运用谐波叠加法分别编写了考虑左右履带不平度相干性的D级、F级三维路面不平度计算程序。动力学计算结果表明：身管柔性会造成炮口振动的振幅大于摇架处；当路面不平度较小且行驶速度较低时，炮口相对于摇架整体向下弯曲；随着路面不平度的增大和行驶速度的提高，车体及摇架稳定性急剧恶化，稳定器无法保证稳定精度，此时，身管柔性造成的炮口与摇架处高低角位移差异显著减小；身管柔性因素对于射击精度的影响难以通过简单的静态修正得以解决，还需综合考虑坦克的行驶工况。

关键词: 坦克, 高速机动, 非线性振动, 协同仿真, 炮口振动

Abstract: A novel dynamic co-simulation methodology is presented to establish a mechanical-electrical-hydraulic integrated dynamic model of marching tank for studying the nonlinear vibration of marching tank under high mobility conditions. A property hydraulic subsystem model is established in Amesim, a tank mechanical system model, in which several nonlinear factors, such as barrel flexibility, are considered, is builded using RecurDyn, and a control system model is also builded using MATLAB/Simulink. A calculation program of the three-dimensional road roughness considering the coherence of left and right tracks was created using the sinusoid superposition method. The calculated results show that the muzzle vibration amplitude is larger than that of cradle because of barrel’s flexibility. When the road roughness is small and the running speed is low, the muzzle bends downward relative to the cradle. With the increase in road roughness and running speed, the stability of hull and cradle is getting worse, and the stabilizer cannot guarantee the stabilization accuracy. The difference of elevation angular displacement between muzzle and cradle caused by barrel’s flexibility is significantly reduced. Therefore, the influence of barrel’s flexibility on the firing accuracy cannot be solved by static correction simply, and the driving condition should be considered. Key

Key words: tank, highmobility, nonlinearvibration, co-simulation, muzzlevibration

中图分类号:

TJ302
TJ38

陈宇，杨国来，付羽翀，孙全兆. 高速机动条件下坦克行进间火炮非线性振动动力学研究[J]. 兵工学报, 2019, 40(7): 1339-1348.

CHEN Yu, YANG Guolai, FU Yuchong, SUN Quanzhao. Dynamic Simulation on Nonlinear Vibration of Marching Tank Gun under High Mobility Conditions[J]. Acta Armamentarii, 2019, 40(7): 1339-1348.

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第40卷第7期
2019 年7月兵工学报ACTA
ARMAMENTARIIVol.40No.7Jul. 2019

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