本文選題：液壓伺服控制 + 伺服液壓缸靜動(dòng)態(tài)檢測��； 參考：《東北大學(xué)》2012年碩士論文

【摘要】：液壓厚度控制系統(tǒng)是現(xiàn)代大型板帶軋機(jī)的核心系統(tǒng),而伺服液壓缸是軋鋼生產(chǎn)線的執(zhí)行機(jī)構(gòu),其性能的好壞或能否正常工作是決定鋼帶質(zhì)量和產(chǎn)量的關(guān)鍵。隨著我國鋼鐵行業(yè)的高速發(fā)展以及大型軋制生產(chǎn)線的不斷投產(chǎn),對大型軋制伺服缸的數(shù)量需求越來越多,質(zhì)量要求也越來越高。因此液壓缸的測試已經(jīng)成為我國鋼鐵行業(yè)關(guān)注的焦點(diǎn)。因此無論從科學(xué)性還是從實(shí)用性出發(fā),建立一個(gè)用來專門檢測大型軋制伺服液壓缸性能的試驗(yàn)臺(tái),對液壓AGC系統(tǒng)大型軋制伺服油缸動(dòng)態(tài)和靜態(tài)試驗(yàn)研究都是十分重要。本文設(shè)計(jì)了一套用于檢測大型軋制伺服液壓缸的實(shí)驗(yàn)臺(tái)�？梢赃M(jìn)行靜態(tài)試驗(yàn)項(xiàng)目和動(dòng)態(tài)試驗(yàn)項(xiàng)目的檢測. 本論文本文采用了符合現(xiàn)場工況要求的閥控非對稱液壓缸伺服系統(tǒng)。區(qū)別于經(jīng)典的閥控對稱液壓缸系統(tǒng)的建模方式,本文重新建立了閥控非對稱缸的數(shù)學(xué)模型,并對被測缸系統(tǒng)和加載系統(tǒng)各個(gè)參數(shù)進(jìn)行了詳細(xì)的推導(dǎo)和求解。確定了液壓系統(tǒng)傳遞函數(shù)的方框圖,并應(yīng)用Matlab/Simulink仿真平臺(tái)對液壓系統(tǒng)進(jìn)行仿真分析,而且采用PID校正拓展系統(tǒng)對系統(tǒng)進(jìn)行校正。經(jīng)仿真得知系統(tǒng)基本符合設(shè)計(jì)要求。 此外,本論文對試驗(yàn)臺(tái)的試驗(yàn)方法進(jìn)行了研究,對各個(gè)試驗(yàn)項(xiàng)目的試驗(yàn)原理進(jìn)行了介紹,通過VB6.0編寫控制程序和試驗(yàn)界面,實(shí)現(xiàn)了各個(gè)試驗(yàn)項(xiàng)目的試驗(yàn)方法,得到了比較滿意的試驗(yàn)結(jié)果,證明本論文設(shè)計(jì)的液壓系統(tǒng)和編寫的控制程序合理。
[Abstract]:The hydraulic thickness control system is the core system of the modern large plate strip mill, and the servo hydraulic cylinder is the executive mechanism of the rolling line. The quality of its performance or whether it can work normally is the key to determine the quality and output of the strip. With the rapid development of iron and steel industry in China and the continuous production of large-scale rolling production line, more and more large rolling servo cylinders are required and the quality requirements are higher and higher. Therefore, the testing of hydraulic cylinder has become the focus of our steel industry. Therefore, it is very important for the dynamic and static test of large rolling servo cylinder in hydraulic AGC system to establish a test rig for testing the performance of large rolling servo cylinder from the scientific and practical point of view. In this paper, a set of test bench is designed to detect large rolling servo hydraulic cylinder. Static test items and dynamic test items can be tested. In this paper, the valve-controlled asymmetric hydraulic cylinder servo system is adopted to meet the requirements of field operation. Different from the classical modeling method of the valve-controlled symmetrical hydraulic cylinder system, the mathematical model of the valve-controlled asymmetric cylinder is re-established in this paper, and the parameters of the measured cylinder system and the loading system are derived and solved in detail. The block diagram of the hydraulic system transfer function is determined, and the hydraulic system is simulated and analyzed by using the Matlab/Simulink simulation platform, and the PID correction extension system is used to correct the system. Simulation shows that the system basically meets the design requirements. In addition, this paper has carried on the research to the test bed test method, has carried on the introduction to each test item test principle, through the VB6.0 programming control program and the test interface, has realized each test item test method. The satisfactory test results show that the hydraulic system and the control program designed in this paper are reasonable.
【學(xué)位授予單位】：東北大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2012
【分類號】：TH137.51

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