Transactions of Materials and Heat Treatment

Title：Friction compensation control strategy for adjustment mechanism of blade rolling mill

Authors：

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ClassificationCode：TG339

year,vol(issue):pagenumber：2020,45(7):148-152

Abstract：

For the problem that nonlinear friction caused the adjustment accuracy to decrease in the left and right adjustment mechanism of blade rolling mill, the global sliding mode control strategy based on adaptive fuzzy friction approximation compensation was proposed. Then, the dynamic model of left and right adjustment mechanism for rolling mill with nonlinear friction model was established, and based on the improved LuGre dynamic friction model，the online compensation of friction in the adjustment mechanism was realized by the adaptive fuzzy friction approximation method. Combined with the global sliding mode control, the system ensured to have a certain robustness in the response process, and the control process was tracked and simulated by software Matlab/Simulink. Furthermore, the control strategy was applied to the field reality to verify its validity. The results show that the control strategy realizes the high-precision tracking of system trajectories and the control of left and right adjustment mechanism of rolling mill.

Funds：

河南省高等学校重点科研项目（19A460010

张瑜（1987-），男，博士，讲师 E-mail：z13464238735@sina.com

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