锻压技术

基于干扰观测器的轧辊微孔系统滑模控制器的设计及应用

英文标题：Design and application on sliding mode controller for roller microporous system based on disturbance observer

单位：1.长春汽车工业高等专科学校电气工程学院 2.安徽大学计算机科学与技术学院 3.洛阳LYC轴承有限公司

分类号：

出版年,卷(期):页码：2022,47(3):116-120

摘要：

为了提高轧辊间隙结构下非线性控制性能，引入微分几何反馈技术来完成线性化解耦过程，根据干扰观测器实现滑模控制的功能，建立了基于干扰观测器的轧辊微孔系统滑模控制器设计，并开展应用验证。该控制系统可以达到理想的跟踪性能，能够有效补偿间隙导致的误差，表明本设计控制算法具备较强的可行性。对干扰观测器进行滑模控制仿真测试，根据实际测试结果判断滑膜控制器的有效性，能够实现精确的跟踪轨迹功能。应用验证表明：经过改造，辊轧机达到了更小的轧制误差，表明采用滑模控制方式有助于辊轧叶片达到更高的生产合格率，对提高板材的轧制质量具有重大的意义，实际的应用推广价值很大。

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.

基金项目：

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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