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電控空氣懸架系統(tǒng)阻尼多模式自適應(yīng)切換控制研究
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國家自然科學(xué)基金資助項目(51375212、51105177)和江蘇省高校自然科學(xué)研究資助項目(12KJB580001)


Damping Multi-mode Adaptive Switching Control of ECAS System
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    摘要:

    提出了一種阻尼多模式自適應(yīng)切換控制思想,根據(jù)車輛實際行駛工況和電控空氣懸架性能特點,分別設(shè)計了車身高位、車身中位、車身低位以及轉(zhuǎn)向工況4種阻尼控制模式,并采用邏輯判斷方法制定了各模式間的切換策略,通過Simulink/Stateflow建立了多模式自適應(yīng)切換控制系統(tǒng),使得系統(tǒng)能夠根據(jù)實際工況選擇最佳的阻尼控制模式。在此基礎(chǔ)上,基于不同模式所側(cè)重的控制目標,分別設(shè)計了相應(yīng)的阻尼力局部控制器,從而保證了系統(tǒng)的局部控制性能。最后進行了控制系統(tǒng)的實車道路試驗,驗證所提出的電控空氣懸架系統(tǒng)阻尼多模式自適應(yīng)切換控制方法的有效性和實用性。

    Abstract:

    A damping multi-mode adaptive switching control mode was proposed. According to the actual vehicle driving condition and the performance characteristics of electronically controlled air suspension (ECAS), four damping control modes, such as high body height mode, middle body height mode, low body height mode and steering mode, were designed. The switching strategy between different modes was made by logical judgment. By using Simulink/Stateflow, the multi-mode adaptive switching control system was established, which could choose the optimum damping control mode according to the actual driving condition. Based on the control objectives of different control modes, the corresponding damping local controllers were designed to guarantee the local control quality of the system. The vehicle tests of the control system were carried out finally, and the effectiveness and availability of the control method proposed was verified by the experimental results.

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汪少華,陳龍,孫曉強,徐興,殷春芳.電控空氣懸架系統(tǒng)阻尼多模式自適應(yīng)切換控制研究[J].農(nóng)業(yè)機械學(xué)報,2013,44(12):22-28. Wang Shaohua, Chen Long, Sun Xiaoqiang, Xu Xing, Yin Chunfang. Damping Multi-mode Adaptive Switching Control of ECAS System[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(12):22-28.

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  • 在線發(fā)布日期: 2013-12-05
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