Transactions of Materials and Heat Treatment

Title：Design and application on sliding mode controller for roller microporous system based on disturbance observer

Authors： Liu Yingming1 Sun Chang1 Chen Yanming2 Lin Guofu3

Unit： 1. College of Electrical Engineering Changchun Aut omobile Industry College 2. School of Computer Science and Technology Anhui University 3. Luoyang LYC Bearing Co. Ltd.

KeyWords： rolling microporous system sliding mode control disturbance observer roller gap

ClassificationCode：

year,vol(issue):pagenumber：2022,47(3):116-120

Abstract：

In order to improve the nonlinear control performance under the structure of roller gap, the differential geometric feedback technology was introduced to complete the linearization decoupling process. According to the sliding mode control function of disturbance observer, the sliding mode controller design of roller microporous system based on disturbance observer was established, and its application verification was carried out. The results show that the control system can achieve ideal tracking performance and effectively compensate the errors caused by gap, which indicates that the designed control algorithm has a strong feasibility. The sliding mode control simulation test of the disturbance observer was carried out, and the effectiveness of the sliding mode controller was judged according to the actual test results, which could realize the function of tracking trajectory accurately. The application verification shows that the rolling error of the modified rolling mill is smaller, indicating that the sliding mode control method is helpful to achieve higher qualified rate of rolling blades, which has great significance for improving the rolling quality of sheet and has great practical application and promotion value.

Funds：

国家自然科学基金资助项目（61802001）；吉林省高教科研项目（JGJX2020D626）

刘英明（1981-），男，硕士，讲师 E-mail：wise2014365@163.com

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