電磁軸承支承柔性轉(zhuǎn)子模型測試與辨識
發(fā)布時間:2018-04-23 08:28
本文選題:電磁軸承 + 柔性轉(zhuǎn)子 ; 參考:《機械工程學報》2016年08期
【摘要】:電磁軸承具有無摩擦、不需潤滑、可長時間高速運行等優(yōu)點,廣泛應用于高速旋轉(zhuǎn)機械、特殊工作環(huán)境旋轉(zhuǎn)機械等領域。電磁軸承系統(tǒng)的數(shù)學模型對于系統(tǒng)分析和控制器設計具有重要意義,但受各種因素影響,計算模型誤差較大,往往不能滿足設計調(diào)試要求。因此,現(xiàn)場測試是獲取系統(tǒng)模型的重要手段。提出一種電磁軸承支承的柔性轉(zhuǎn)子的測試與建模方法,該方法通過正弦掃描試驗獲取閉環(huán)系統(tǒng)頻響模型,通過變換得到開環(huán)頻響模型,然后通過辨識得到轉(zhuǎn)子傳遞函數(shù)模型,并在實際系統(tǒng)上驗證了提出的方法。
[Abstract]:Electromagnetic bearings have the advantages of no friction, no lubrication and can run at high speed for a long time. They are widely used in high speed rotating machinery and special working environment. The mathematical model of AMB system is of great significance for system analysis and controller design. However, due to the influence of various factors, the error of calculation model is large, which often can not meet the requirements of design and debugging. Therefore, field testing is an important means to obtain system model. A testing and modeling method for flexible rotor supported by active magnetic bearing is proposed. The frequency response model of closed loop system is obtained by sine scanning test, the open loop frequency response model is obtained by transformation, and the rotor transfer function model is obtained by identification. The proposed method is verified on the actual system.
【作者單位】: 清華大學核能與新能源技術研究院;清華大學先進反應堆工程與安全教育部重點實驗室;
【基金】:國家重大科技專項(2011ZX06901-010) 國家自然科學基金(61305065)資助項目
【分類號】:TH133.3
【參考文獻】
相關期刊論文 前3條
1 趙晶晶;周燕;時振剛;徐e,
本文編號:1791191
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