迭代学习控制策略在连铸结晶器振动系统中的应用

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摘要结晶器振动控制是连铸工艺的关键性环节，针对其液压控制系统具有非线性、时变和模型结构不确定性等特点，提出一种连铸结晶器液压振动系统复合控制解决方案：由位移传感器和PID(Proportion integration differentiation controller)控制器构成抗扰动的内环系统；外环由迭代学习控制器（Iterative learning controller, ILC）单元构成结晶器液压振动系统，以保证系统的跟踪性能。通过电液系统的设计计算和Matlab的仿真分析，检验了ILC控制方案的动态跟踪效果。在此基础上，将其投入控制运行。结果表明：该控制方案具有鲁棒性强、动态性能好等优点，取得了良好的生产使用效果。
关键词：迭代学习控制（ILC）；PID控制；结晶器；位移传感器；连铸

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关键词 ：迭代学习控制（ILC）, PID控制, 结晶器, 位移传感器, 连铸

Abstract：Mould oscillation control is the key link of continuous casting. Based on the hydraulic control system with nonlinear time-varying and uncertainty model structure characteristics,a compound control solutions on iterative learning mould hydraulic vibration was proposed. The PID(proportion integration differentiation controller) controller with displacement transducer constitute the disturbance-resisting inner loop system. The iterative learning controller (iterative learning controller,ILC) unit constitute the mould hydraulic vibration system as outer loop,to ensure the system tracking performance. Through the electro-hydraulic system design calculation and MATLAB simulation analysis,the effect of dynamic tracing control scheme at ILC was tested. On this basis,it was used in real control operation. Results show that the control scheme has good effect such as strong robustness and good dynamic performance.

Key words： Iterative learning control (at ILC)；PID control；mould；Displacement sensor；Continuous casting mold

收稿日期: 1999-11-30 出版日期: 2018-08-28

引用本文:

章家岩1,2，孟庆喜1，冯旭刚1，沈浩1，王兵1，胡雪峰1. 迭代学习控制策略在连铸结晶器振动系统中的应用[J]. 振动与冲击, 2018, 37(17): 93-100.
ZHANG Jiayan1,2, MENG Qingxi1, FENG Xugang1，WANG Bing1，HU Xuefeng1. Iterative learning control strategy for the application of CCM vibration System. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(17): 93-100.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2018/V37/I17/93

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