渐变侵蚀条件下不平衡管俯仰系统特性退化与补偿研究

IF 0.6 4区 工程技术 Q4 MECHANICS
Mechanika Pub Date : 2023-04-19 DOI:10.5755/j02.mech.31873
Yuanbo Chu, Yunxia Xia
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引用次数: 0

摘要

非平衡管俯仰系统是一种典型的电液耦合伺服控制系统,其性能决定了车载武器装备的响应速度和命中概率。然而,在实际服役过程中,其核心部件高精度喷管伺服阀会对先导级的接收器和动力级的节流边缘产生逐渐的侵蚀,从而导致不平衡的枪管俯仰系统性能退化,最终大大降低枪管武器的性能。因此,建立了一个包含性能退化核心参数的不平衡桶俯仰系统的压力和位置双环状态空间模型。建立了喷管伺服阀的腐蚀行为机理模型,进一步分析了不平衡管俯仰控制系统在腐蚀条件下的性能退化特征。最后,针对内压环和外位置环的双环结构,设计了筒体系统的RBF网络自适应鲁棒滑模比例积分微分两级控制器,在此基础上搭建了筒体不平衡俯仰控制的实验平台。实验结果与理论结果吻合较好,因此所提出的控制方法可以有效地抑制由侵蚀引起的内部结构参数的退化,即可以更好地补偿由渐进侵蚀行为引起的筒体俯仰系统的性能退化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The investigation of a unbalanced barrel pitching system’s characteristics degradation and compensation under gradual erosion behavior
The unbalanced barrel pitching system is a typical electro-hydraulic coupling servo control system, the performance of which determines the response speed and hit probability of vehicle mounted weapon equipment. However, in the actual service process, its core component, the high precision jet pipe servo valve, will produce the gradual erosion of the pilot stage’s receivers and the power stage’s throttling edges, which will induce the performance degradation of the unbalanced barrel pitching system, and finally greatly reduce the performance of barrel weapons. Therefore, a pressure and position double loop state space model of unbalanced barrel pitching system including the core parameters of performance degradation is established. The erosion behavior mechanism model of jet pipe servo valve is constructed, and the performance degradation characteristics of the unbalanced barrel pitching control system under the condition of erosion are further analyzed. Finally, aiming at the double loop structure of internal pressure loop and external position loop, the RBF Network Adaptive Robust Sliding Mode-Proportional Integral Derivative two-stage controller of barrel system is designed, based on which the experimental platform of unbalanced barrel pitching control is built. The experimental results are in good agreement with the theoretical results, so the proposed control method can effectively suppress the degradation of internal structural parameters induced by erosion, that is, it can better compensate the performance degradation of barrel pitching system induced by gradual erosion behavior. 
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来源期刊
Mechanika
Mechanika 物理-力学
CiteScore
1.30
自引率
0.00%
发文量
50
审稿时长
3 months
期刊介绍: The journal is publishing scientific papers dealing with the following problems: Mechanics of Solid Bodies; Mechanics of Fluids and Gases; Dynamics of Mechanical Systems; Design and Optimization of Mechanical Systems; Mechanical Technologies.
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