均匀轧车微油压稳定性控制

Stability Control of Micro-hydraulic Pressure in the Evenness Padder

为降低均匀轧车轧辊内腔的油压波动并满足油压的数字化微量调控需求,以实现快速、高精度的油压控制,提出一种基于LabVIEW虚拟测控平台的微油压稳定性控制方案。分析均匀轧车油压控制现状,根据油压调控生产需求,设计均匀轧车油压稳定性控制系统。阐述该系统的结构、功能、关键部分硬件设计以及软件控制策略实现方法,通过油压稳定性和微调性测试验证了系统设计的有效性。结果表明,该控制系统结构简单,可靠性好,并且控制精度、油压调节速度和稳定性都出现显著提升。

To reduce the fluctuation of hydraulic pressure in the roller cavity of evenness padder and meet the demand of digital micro-control of hydraulic pressure for fast and high-precision hydraulic control,this paper proposed a scheme for hydraulic stability control based on LabVIEW virtual measurement and control platform.The present situation of hydraulic control of the evenness padder was analyzed.According to the production demand of hydraulic control,the hydraulic stability control system of evenness padder was designed.Then the structure,function,hardware design of key parts and implementation of software control strategy of the system were expounded,and the effectiveness of the system design was verified by the test of stability and fine adjustment.The results show that the control system has simple structure and good reliability.The control accuracy,hydraulic pressure adjustment speed and stability have been significantly improved.