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拖拉機(jī)電液懸掛系統(tǒng)模糊PID自適應(yīng)控制方法
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“十二五”國(guó)家科技支撐計(jì)劃資助項(xiàng)目（2011BAD20B01）和中央高?；究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)資金資助項(xiàng)目（2013QJ018）


Fuzzy-PID Self-adaptive Control Method in Electro-hydraulic Hitch System
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    摘要:

    將模糊PID自適應(yīng)控制方法應(yīng)用到拖拉機(jī)電液懸掛系統(tǒng)控制中,。根據(jù)系統(tǒng)特性，設(shè)計(jì)了模糊PID自適應(yīng)控制器,，建立了電液懸掛系統(tǒng)模型,，并與普通PID控制方法進(jìn)行了牽引力控制、位置控制性能仿真分析,。搭建了試驗(yàn)臺(tái)對(duì)電液懸掛系統(tǒng)進(jìn)行田間試驗(yàn),。試驗(yàn)結(jié)果表明，采用模糊PID自適應(yīng)控制以后,，電液懸掛系統(tǒng)設(shè)定耕深由0.1 m階躍至0.3 m時(shí),，系統(tǒng)過(guò)渡過(guò)程時(shí)間為4 s，無(wú)超調(diào)量,；設(shè)定牽引力由3 kN階躍至7 kN時(shí),，系統(tǒng)過(guò)渡過(guò)程時(shí)間為5 s，系統(tǒng)超調(diào)量為25%,。

    Abstract:

    Fuzzy-PID self-adaptive control method was used in tractor’s electro-hydraulic hitch system. Firstly, the fuzzy-PID self-adaptive controller was designed, and the model of the system was built. Secondly, the performance of draft control and position control was simulated and analyzed compared with PID control. At last, a field-test bed of electro hydraulic hitch system was built. The test result showed that fuzzy-PID adaptive control had a better performance than PID control in electro-hydraulic hitch system. When the preset position stepped from 0.1 m to 0.3 m, the response time was 4 s, and overshoot was 0. When preset draft stepped from 3 kN to 7 kN, the system’s response time was 5 s, and the overshoot was 25%.

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李明生,趙建軍,朱忠祥,謝斌,遲瑞娟,毛恩榮.拖拉機(jī)電液懸掛系統(tǒng)模糊PID自適應(yīng)控制方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2013,44(Supp2):295-300. Li Mingsheng, Zhao Jianjun, Zhu Zhongxiang, Xie Bin, Chi Ruijuan, Mao Enrong. Fuzzy-PID Self-adaptive Control Method in Electro-hydraulic Hitch System[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(Supp2):295-300.

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  • 在線發(fā)布日期: 2013-10-21
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