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異步電動機調(diào)速系統(tǒng)自適應辨識的CMAC-ADRC算法
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國家自然科學基金資助項目(60874014,、51273154)、江蘇高校優(yōu)勢學科建設工程資助項目(PAPD,NO.6-2011)、江蘇省2013年度普通高校研究生科研創(chuàng)新計劃資助項目(CXLX13_669)、江蘇省科技支撐計劃資助項目(BE2013402)和淮安市農(nóng)業(yè)科技指導性項目(HANZ2014007)


CMAC-ADRC Algorithm Based on Adaptive Parameter Identification for Asynchronous Motor Speed Control System
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    摘要:

    針對異步電動機調(diào)速系統(tǒng)快速響應時啟動超調(diào)量大的問題,,提出了一種基于自適應參數(shù)辨識的小腦模型神經(jīng)網(wǎng)絡復合自抗擾控制(CMAC-ADRC)的控制算法。將CMAC與ADRC各自的優(yōu)點相結(jié)合,利用CMAC神經(jīng)網(wǎng)絡實現(xiàn)前饋控制,,通過在線學習來抑制系統(tǒng)的超調(diào)量,增強系統(tǒng)的魯棒性能,,提高系統(tǒng)的快速性能,,利用ADRC技術實現(xiàn)反饋控制,進一步增強系統(tǒng)的抗干擾能力,。利用參考模型自適應參數(shù)辨識技術對轉(zhuǎn)動慣量進行辨識,,優(yōu)化自抗擾補償系數(shù)。以變頻器結(jié)合異步電動機為控制對象,進行仿真,,基于自適應參數(shù)辨識的CMAC-ADRC控制算法的干擾響應幅度是一階優(yōu)化自抗擾控制下干擾響應幅度的44.57%,,是小腦模型神經(jīng)網(wǎng)絡復合比例-微分(CMAC-PD)控制下干擾響應幅度的17.69%,干擾恢復時間是一階優(yōu)化自抗擾控制下干擾恢復時間的50%,,是CMAC-PD控制下恢復時間的60%,。搭建MCU-CPLD-DSP控制平臺進行了實驗,基于自適應參數(shù)辨識的CMAC-ADRC控制算法的超調(diào)量是一階優(yōu)化自抗擾控制的45.49%,,上升時間是一階優(yōu)化自抗擾控制的53.33%,,干擾響應幅度是一階優(yōu)化自抗擾控制干擾響應幅度的71%,干擾恢復時間是一階優(yōu)化自抗擾控制干擾恢復時間的76.47%,。

    Abstract:

    According to the problem of asynchronous motor speed control system, this paper proposes a cerebellar model aritculation controller coupled with active disturbance rejection controller (CMAC-ADRC) control algorithms based on adaptive parameter identification. The respective advantages of CMAC and ADRC were combined. And CMAC neural network was used for feedforward control. Its online learning was applied which suppressed overshoot system, enhanced the robustness and dynamic performance of the system. ADRC was used for feedback control which further enhanced the anti jamming capability. The inertia was identified by using model reference adaptive parameter identification technique and ADRC compensation factors were optimized. Taking converter and asynchronous motor as control objects, the simulation was carried out. The simulation results showed that the response amplitude caused by disturbance of control system using CMAC-ADRC based on adaptive identification was 44.57% of the one using first-order optimization ADRC, and 17.69% of the one using CMAC-PD. Meanwhile, the recovery time of disturbance was 50% of the one using first-order optimization ADRC, and 60% of the one using CMAC-PD. Some experiments were finished on the experiment platform based on MCU-CPLD-DSP. The experiment result showed that with CMAC-ADRC, the overshoot, rising time, response amplitude caused by disturbance, and recovery time of disturbance were 45.49%, 53.33%, 71% and 76.47% of the one using first-order optimization ADRC, respectively.

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李 慧,劉星橋,李 景.異步電動機調(diào)速系統(tǒng)自適應辨識的CMAC-ADRC算法[J].農(nóng)業(yè)機械學報,2015,46(3):358-365. Li Hui, Liu Xingqiao, Li Jing. CMAC-ADRC Algorithm Based on Adaptive Parameter Identification for Asynchronous Motor Speed Control System[J]. Transactions of the Chinese Society for Agricultural Machinery,2015,46(3):358-365.

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  • 收稿日期:2014-12-16
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  • 在線發(fā)布日期: 2015-03-10
  • 出版日期: 2015-03-10
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