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多維隨機(jī)振動(dòng)試驗(yàn)中的互譜控制技術(shù)

Cross-spectral control technique in multi-dimensional random vibration test

  • 摘要: 文章研究了多維隨機(jī)振動(dòng)試驗(yàn)控制中的互譜控制技術(shù)，給出控制策略及互譜控制算法，闡述了相關(guān)技術(shù)。介紹開(kāi)發(fā)出的原理樣機(jī)構(gòu)成及控制原理，通過(guò)對(duì)二維系統(tǒng)的控制試驗(yàn)，驗(yàn)證了控制效果。試驗(yàn)結(jié)果表明：采用的控制算法可行，控制方案達(dá)到隨機(jī)控制試驗(yàn)要求。

     

    Abstract: The cross-spectral control, as a key technique in multi-dimensional random vibration tests, is studied in terms of the strategy and algorithm of control, as well as some related techniques. The prototype apparatus and its control principle are discussed. To verify the control effect, a two-dimensional random vibration test is performed. The results show that the control algorithm is correct, and the control strategy gives results in good agreement with the vibration test.

     

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