摘要:在機床加工中,刀具的振動往往給工件帶來負面影響。因此,研究刀具振動趨勢就顯得尤為重要。振動信號預測可看作是時間序列預測,故在MATLAB中,采用BP和RBF神經(jīng)網(wǎng)絡分別建立了非線性預測模型對其進行預測。結果表明,RBF網(wǎng)絡有更好的預測精度。
關鍵詞:刀具振動;MATLAB;BP神經(jīng)網(wǎng)絡;RBF神經(jīng)網(wǎng)絡
中圖分類號:TP311文獻標識碼:A文章編號:1009-3044(2012)04-0939-03
Research on Cutter Vibration Trend Forecast based on Neural Network
NIU Yu-sheng
(School of Mechanical Engineering&Automatization,North University of China,Taiyuan 030