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基于并聯(lián)機(jī)構(gòu)的多自由度減振系統(tǒng)模糊控制
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    摘要:

    采用并聯(lián)機(jī)構(gòu)為主體機(jī)構(gòu)，以磁流變阻尼器為減振執(zhí)行器，建立了三自由度減振平臺(tái)模型。設(shè)計(jì)了基于模糊控制策略的半主動(dòng)控制器，對(duì)機(jī)構(gòu)的3條支路分別進(jìn)行控制。采用ADAMS和Matlab軟件聯(lián)合仿真，并與無(wú)控狀態(tài)下系統(tǒng)的振動(dòng)進(jìn)行對(duì)比，動(dòng)平臺(tái)的加速度峰值和均方根值均下降了40%。結(jié)果表明，建立的減振系統(tǒng)及所采取的控制算法達(dá)到了預(yù)期效果。

    Abstract:

    A mode of multi-dimensional damping platform was established, in which parallel mechanism was used as main mechanism and MR damper was used as performer. A semi-active controller was designed by using fuzzy algorithm, and it was applied to control three branches of the mechanism. The system was simulated by ADAMS and Matlab software. The simulated vibration effect under on fuzzy controller was compared with that under off controller. It was found that the acceleration peak value and mean square root value of the moving platform all dropped about 40%. The results showed that the damping system and control algorithm were effective to multi-dimensional damping. 

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朱偉,馬履中,吳偉光,陳修祥,謝俊.基于并聯(lián)機(jī)構(gòu)的多自由度減振系統(tǒng)模糊控制[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(3):127-130.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(3):127-130.

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