Abstract
According to the characteristic of high speed drawing frame auto-leveling: open loop can avoid the dead zone, but can’t ease or eliminate the influence of disturbance; close loop can reduce the influence of disturbance, but can’t avoid the dead zone, under the influence of disturbance model is hard to build; and high speed of drawing frame has high demand on hardware and software. Based on new hardware architecture a new auto-leveling control system with mixed loop and fuzzy method is put forward, in which open loop is designed to get the basic control value and close loop inferring from fuzzy control rules to get the increment value and decrease the influence of disturbance by correcting the basic control value obtained from open loop. In conclusion, experiment in FA398 proves the applicability of this system for auto-leveling of high speed drawing frame.
Published Version
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