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車用永磁同步電動(dòng)機(jī)電流環(huán)偏差解耦控制系統(tǒng)
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汽車安全與節(jié)能國(guó)家重點(diǎn)實(shí)驗(yàn)室開放基金資助項(xiàng)目


Current Loop Deviation Decoupling Control System of Permanent Magnet Synchronous Motor in Vehicle Application
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    摘要:

    以永磁同步電動(dòng)機(jī)矢量控制為基礎(chǔ)，分析了轉(zhuǎn)子諧波磁通和電動(dòng)機(jī)參數(shù)變化對(duì)電流控制器性能的影響。并通過復(fù)矢量模型，指出高速下耦合電壓使得電流控制性能惡化。針對(duì)勵(lì)磁電流分量和轉(zhuǎn)矩電流分量之間的交叉耦合問題，提出了一種偏差解耦控制方法，并與傳統(tǒng)的反饋解耦控制進(jìn)行了仿真和實(shí)驗(yàn)對(duì)比。結(jié)果表明，所提偏差解耦控制方法實(shí)現(xiàn)了寬調(diào)速范圍內(nèi)的電流解耦控制，具有很好的參數(shù)魯棒性和擾動(dòng)抑制能力。

    Abstract:

    Based on rotor field oriented vector control system for permanent magnet synchronous motors (PMSM), rotor harmonic flux and motor parameters and the way they affect current controller performance were analyzed. The coupled voltages deteriorated current controller performance in high speed. This was because the field current component and torque current component could not be decoupled completely in rotor field oriented vector control. According to series decoupling theory, a deviation decoupling method was proposed. The feedback decoupling control and the proposed deviation decoupling control were contrastive analyzed. Simulation and experimental results showed that the deviation decoupling algorithm was robust against parameter changes, and could suppress harmonic disturbances. It had a good decoupling ability in high speed.

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吳志紅,王雙全,朱元,田光宇.車用永磁同步電動(dòng)機(jī)電流環(huán)偏差解耦控制系統(tǒng)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(12):18-24. Wu Zhihong, Wang Shuangquan,Zhu Yuan, Tian Guangyu. Current Loop Deviation Decoupling Control System of Permanent Magnet Synchronous Motor in Vehicle Application[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(12):18-24.

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  • 在線發(fā)布日期: 2011-12-19
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