本文選題：永磁直線同步電機(jī) + 動態(tài)面　； 參考：《沈陽工業(yè)大學(xué)》2017年碩士論文

【摘要】：永磁直線同步電機(jī)伺服系統(tǒng)在數(shù)控機(jī)床、機(jī)器人、電子工業(yè)、航空工業(yè)等領(lǐng)域有著廣泛的應(yīng)用,永磁直線同步電機(jī)是其主要的驅(qū)動設(shè)備,永磁直線同步電機(jī)的優(yōu)點(diǎn)是加、減速度較大,定位精度較高,缺點(diǎn)是易受摩擦等擾動因素的影響,使伺服系統(tǒng)性能降低,不能滿足期望要求。首先,本文強(qiáng)調(diào)了永磁直線同步電機(jī)在工業(yè)制造等領(lǐng)域的重要作用,點(diǎn)明課題的研究意義,概述了永磁直線同步電機(jī)的控制策略,總結(jié)了反演滑模控制策略的研究現(xiàn)狀和直線伺服系統(tǒng)的組成及其工作原理,在永磁直線同步電機(jī)結(jié)構(gòu)和工作原理的基礎(chǔ)上,建立了永磁直線同步電機(jī)的數(shù)學(xué)模型,并在磁場定向條件下進(jìn)行簡化,進(jìn)行了影響永磁直線同步電機(jī)伺服系統(tǒng)性能的擾動因素分析,為后續(xù)研究做鋪墊。其次,在反演控制和滑�？刂频幕A(chǔ)上,概述了反演滑�？刂破鞯囊话阍O(shè)計方法,考慮到系統(tǒng)參數(shù)變化等的影響和系統(tǒng)上界的不確定性,引入自適應(yīng)控制,結(jié)合反演滑�？刂圃O(shè)計自適應(yīng)反演滑�？刂破�,使得由系統(tǒng)上界不確定引起的問題得以解決,自適應(yīng)反演滑模變量的設(shè)計使系統(tǒng)兼顧了魯棒性和快速性,同時削弱了系統(tǒng)的抖振。仿真結(jié)果表明,與反演滑�？刂坪汪敯舴囱莼？刂葡啾�,自適應(yīng)反演滑模控制系統(tǒng)響應(yīng)速度快,魯棒性強(qiáng),且系統(tǒng)抖振現(xiàn)象得到了抑制。最后,引入動態(tài)面的概念,針對反演滑模控制中對虛擬控制求導(dǎo)時引起的項(xiàng)數(shù)膨脹問題,設(shè)計動態(tài)面反演滑�？刂破�,虛擬控制的導(dǎo)數(shù)由一階積分濾波器求得,避免了項(xiàng)數(shù)膨脹的問題,簡化了控制器設(shè)計,提高了控制系統(tǒng)性能。仿真結(jié)果表明,永磁直線同步電機(jī)動態(tài)面反演滑�？刂葡到y(tǒng)在考慮參數(shù)變化、負(fù)載擾動、摩擦力和端部效應(yīng)的影響時,響應(yīng)速度快,魯棒性強(qiáng),同時動態(tài)面反演滑模面的設(shè)計削弱了系統(tǒng)的抖振,系統(tǒng)跟蹤定位性能好。
[Abstract]:Permanent magnet linear synchronous motor servo system is widely used in the fields of CNC machine tools, robots, electronics industry, aviation industry and other fields. Permanent magnet linear synchronous motor is its main driving device. The advantages of permanent magnet linear synchronous motor are added, high speed reducing, high positioning precision, and the disadvantage of easy to be affected by friction and other disturbance factors. The performance of the system is reduced and the expected requirements can not be met. Firstly, this paper emphasizes the important role of permanent magnet linear synchronous motor in industrial manufacturing, points out the research significance of the topic, summarizes the control strategy of permanent magnet linear synchronous motor, summarizes the research status of the inversion sliding mode control strategy and the composition and work of the linear servo system. On the basis of the structure and working principle of permanent magnet linear synchronous motor, the mathematical model of permanent magnet linear synchronous motor (PMSM) is established and simplified under the condition of magnetic field orientation. The disturbance factor analysis on the performance of permanent magnet linear synchronous motor servo system is analyzed and paving for further research. Secondly, inversion control and sliding mode control are used. On the basis of the system, the general design method of the inversion sliding mode controller is summarized. Considering the influence of the system parameters and the uncertainty of the upper bound of the system, the adaptive control is introduced and the adaptive inversion sliding mode controller is designed by the inverse sliding mode control, which can solve the problem caused by the uncertainty of the upper boundary of the system and the adaptive inversion slip. The design of the model variable makes the system both robust and fast, and weakens the chattering of the system. The simulation results show that the adaptive backsliding sliding mode control system has fast response and strong robustness compared with the inverse sliding mode control and robust inverse sliding mode control, and the system buffeting image is suppressed. Finally, the concept of dynamic surface is introduced. The dynamic surface inversion sliding mode controller is designed for the problem of the number of items caused by the virtual control in the inverse sliding mode control. The derivative of the virtual control is obtained by the first order integral filter, which avoids the problem of the expansion of the number of items, simplifies the design of the controller and improves the control system energy. The simulation results show that the dynamics of the permanent magnet linear synchronous motor is dynamic. With the influence of parameter variation, load disturbance, friction force and end effect, the surface inversion sliding mode control system has fast response speed and strong robustness. At the same time, the design of dynamic surface inversion sliding mode surface weakens the chattering of the system, and the tracking and positioning performance of the system is good.

【學(xué)位授予單位】：沈陽工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TM341

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