本文選題：磁懸浮軸承　切入點(diǎn)：柔性轉(zhuǎn)子　出處：《機(jī)械與電子》2016年03期

【摘要】：建立了五自由度磁懸浮軸承柔性轉(zhuǎn)子試驗(yàn)系統(tǒng),利用Matlab工具箱對(duì)比分析了不完全微分PID和模糊自調(diào)整PID控制策略對(duì)系統(tǒng)動(dòng)態(tài)性能的影響,設(shè)計(jì)制作了基于TMS320F28335DSP的數(shù)字控制器硬件電路,在模糊自調(diào)整PID控制策略的基礎(chǔ)上引入轉(zhuǎn)速量,在不同轉(zhuǎn)速區(qū)段采用不同的模糊自調(diào)整因子,以滿足轉(zhuǎn)子在各轉(zhuǎn)速區(qū)段對(duì)支承特性的不同要求,編寫了相應(yīng)的軟件,完成了系統(tǒng)的高速旋轉(zhuǎn)試驗(yàn)。仿真和試驗(yàn)結(jié)果均表明,采用基于轉(zhuǎn)速的模糊自調(diào)整控制策略,可以改善磁懸浮軸承柔性轉(zhuǎn)子系統(tǒng)的動(dòng)態(tài)性能。
[Abstract]:A five-degree-of-freedom magnetic bearing flexible rotor test system is established. The effects of incomplete differential PID and fuzzy self-adjusting PID control strategy on the dynamic performance of the system are compared and analyzed by using Matlab toolbox. The hardware circuit of digital controller based on TMS320F28335DSP is designed and fabricated. The rotational speed is introduced on the basis of fuzzy self-adjusting PID control strategy, and different fuzzy self-adjusting factors are adopted in different speed regions. In order to meet the different requirements of the rotor for the supporting characteristics in each rotational speed section, the corresponding software is compiled, and the high-speed rotation test of the system is completed. The simulation and test results show that the fuzzy self-adjusting control strategy based on the rotational speed is adopted. It can improve the dynamic performance of magnetic bearing flexible rotor system.
【作者單位】： 南京航空航天大學(xué)機(jī)電學(xué)院;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(51275238) 南京航空航天大學(xué)研究生創(chuàng)新基地(實(shí)驗(yàn)室)開(kāi)放基金項(xiàng)目資助(ykfjj20150505)
【分類號(hào)】：TP273.4;TH133.3

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