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并聯(lián)機(jī)床伺服系統(tǒng)雙自適應(yīng)模糊滑?？刂?/div>
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重慶大學(xué)機(jī)械傳動(dòng)國家重點(diǎn)實(shí)驗(yàn)室開放基金資助項(xiàng)目（SKLMT-KFKT-200901）和西華大學(xué)重點(diǎn)實(shí)驗(yàn)室開放基金資助項(xiàng)目（szjj2011-041）


Double Adaptive Fuzzy Sliding Mode Control for Hydraulic Servo System of Parallel Machine
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    摘要:

    以并聯(lián)機(jī)床的單通道對(duì)稱閥控非對(duì)稱液壓缸為研究對(duì)象,提出一種適合該系統(tǒng)的將模糊控制,、滑?？刂?、自適應(yīng)控制三者有機(jī)結(jié)合的雙自適應(yīng)模糊滑?？刂扑惴?。仿真結(jié)果表明,，采用所提方法使系統(tǒng)的輸出漸進(jìn)一致地收斂于參考輸入信號(hào)，解決了對(duì)稱滑閥控非對(duì)稱液壓缸系統(tǒng)存在的動(dòng)態(tài)性能不對(duì)稱,、系統(tǒng)精度低,、穩(wěn)定性差等問題，可有效快速跟蹤變化信號(hào),，對(duì)有界的干擾和參數(shù)攝動(dòng)具有不變性,。與常規(guī)PID控制相比，雙自適應(yīng)模糊滑?？刂聘m合于高階非線性,、強(qiáng)干擾的復(fù)雜系統(tǒng)，將此法應(yīng)用于并聯(lián)機(jī)床的液壓控制系統(tǒng)可提高機(jī)床控制精度,，改善機(jī)床動(dòng)態(tài)性能,，穩(wěn)態(tài)誤差僅為常規(guī)PID控制的20%。

    Abstract:

    Taking a single-channel control of parallel machine tools as the research object, an double adaptive fuzzy sliding mode control method adapted to the asymmetric cylinder hydraulic servo system controlled by symmetric valve was presented to make the output of the system follow the reference signal progressively, so that the problems of dynamic performance asymmetry, low accuracy, low stability were resolved. Double adaptive fuzzy sliding mode control was more suited to complex systems with higher order nonlinearity and strong interference. The simulation results demonstrated that the double adaptive fuzzy sliding mode control system could greatly improve the dynamic performance and control precision of parallel machine tools. The steady-state error is only 20% of PID controller.

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唐銳,王少江,侯力,張祺,姜平,任文娟.并聯(lián)機(jī)床伺服系統(tǒng)雙自適應(yīng)模糊滑?？刂芠J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2012,43(10):229-234. Tang Rui, Wang Shaojiang, Hou Li, Zhang Qi, Jiang Ping, Ren Wenjuan. Double Adaptive Fuzzy Sliding Mode Control for Hydraulic Servo System of Parallel Machine[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(10):229-234.

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  • 在線發(fā)布日期: 2012-10-19
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