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鞍钢半连轧厂精轧机主传动控制系统从德国引进,采用双闭环逻辑无环流非独立激磁控制。该系统虽为模拟系统,但其设计十分细致。介绍了磁场调节系统的基本原理和其独到之处。 相似文献
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In allusion to easy invalidation of damping valve in vehicle shock absorber caused by the impact from the road surface, the importance of the study of damping valve water hammer pressure is presented. The physical model of damping valve with the circle throttle slice is established. The time for the throttle slice deformation is studied by using the finite software, and the laws that how the structure parameters affect the deformation time are obtained. Combining the theory of water hammer, the water hammer initial and boundary condition of the damping valve is deduced, and the water hammer model of throttle slice is established. The analysis of simulation results indicates that the water hammer pressure amplitude and the amount of water hammer oscillation period can be reduced and the dependability of the valve can be enhanced by modifying the structure parameters and aperture width between slice and valve body. 相似文献
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本文介绍了鞍山市轧钢厂万能轧机自动位置控制系统中所用的一种新型绝对位移传感器(ADT)及配套仪表。 相似文献
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概述了可编程控制器在焦化厂筛焦备煤扩建改造工程中的应用情况。以筛焦系统为例,给出系统联动控制的梯形图程序,介绍了调试经验与体会。 相似文献
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管继富 《鞍山钢铁学院学报》1995,18(3):47-51
提出以8098单片机为步机电机控制器构成塔种控制系统,给出了塔种控制系的基本思想及硬件配置和软件实现;突出体现了单片机8098HSI.HSO的具体应用。该系统具有简单、可靠、实用等特点。 相似文献
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