Abstract
Hardware-in-the-loop (HIL) test is a good ground for examine the dynamic model of rolling to observe the movement of the mill and monitor dynamic behavior of the hydraulic system and the mill. Nowadays hydraulic actuators/capsules are used to control the gap in rolling mills which determines the strip thickness, profile and flatness. Using HIL simulation, dynamic parameters of rolling mill stand and hydraulic gap adjustment system can be tested together in realtime. It has possibility to examine the dynamic phenomena inside the mill stand and hydraulic system using trials to test how system dynamic behavior changes when system’s parameters are shifted. In this paper a HIL real-time model was developed and realized to test the dynamic behavior of the complete rolling mill system which enables us to observe the system’s parameter variations for example when seals are worn out in the hydraulic actuator.
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