摘要:液压厚度控制系统（AGC）主要是针对钢板轧机轧辊的位置偏差进行纠正。通过液压厚度控制系统，可以精确控制液压轧机轧制钢板的厚度。其性能好坏或工作是否正常是决定钢带质量和产量的关键。所以系统的改造和完善，使其精度达到要求，以此来满足钢板轧制过程中要求的不断提高的需求。
本文在总结国内外大量文献资料的基础上，从轧机HAGC原理和模型出发，主要针对薄板轧机的轧辊的位置偏差进行反馈纠正控制。本文设计中首先进行了参数的计算，再根据液压辊缝控制系统的要求进行系统方案的确定，以及相关液压元件的选择。然后，使用MATLAB软件对伺服系统进行仿真，最后，根据伺服控制仿真结果，我们可以判断系统的控制精度是多少，系统是否稳定，是否合乎控制的工作要求，以及提供理论设计的实验依据。通过结果可以对系统进行完善和改造，使其达到精度要求，以满足钢板轧制过程中不断提高的要求。
关键词：冷轧机 伺服液压缸 液压HAGC 仿真
ABSTRACT:The AGC design system for cold rolling mill hydraulic servo system, mainly for the plate mill roll position deviations feedback and correct, including the design of servo system, the design of the servo cylinder and system simulation, etc. Through the servo control system, can be precisely controlled hydraulic mill rolling steel plate thickness, by according to the simulation results, we can judge the system control accuracy, to see if it satisfy the requirement of the control work, and to provide theoretical design of experimental basis. Through result can constantly of system reform and perfect, make its precision meet the requirements, in order to meet the requirement in the process of rolling steel plate rising demand.
Based on generalizing the domestic and foreign a large of references, this dissertation systematically analyzes the principle and model of the strip mill hydraulic AGC the position deviation that aim at the roller of the steel plate rolling mill machine proceeds the feedback rectifies, among them the design that include the servomotor, pump the assemble that stands to imitate true etc. Firstly, the design, dollar a design for of choice, pumping standing of the calculation, system of the design inside parameter, gather whole piece .What’s more, we could imitate with the system function true by MATLAB . With the system, pass this set of servocontrols system result, we can judge how much accuracy is that system requests and provide the experiment that theories design according to ,pass result can proceed to the system perfect with reform, made its stain the accuracy request, then satisfy in the steel plate roll system process continuously increase of request.
Keywords: Cold rolling mill ; Servo hydraulic cylinder ; Hydraulic HAGC ; The simulation
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