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電流變智能半主動懸架的輸出反饋變結(jié)構(gòu)控制
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    摘要:

    對帶有電流變智能阻尼器的汽車半主動懸架系統(tǒng)設計了一種輸出反饋變結(jié)構(gòu)控制器。根據(jù)滑模運動方程穩(wěn)定的Hurwitz判據(jù)選擇滑模面矩陣,，實現(xiàn)控制與外界擾動完全解耦,。仿真分析了多種激勵信號下隔振質(zhì)量的響應及半主動懸架系統(tǒng)在系統(tǒng)參數(shù)攝動下的魯棒特性,。仿真結(jié)果表明,，變結(jié)構(gòu)控制下半主動懸架系統(tǒng)的隔振效果要遠好于最優(yōu)被動系統(tǒng),，而且對外界擾動有一定的適應性,，對系統(tǒng)參數(shù)攝動也具有很強的魯棒性,。

    Abstract:

    An output feedback variable structure controller was designed for automotive semi-active suspension with electro-rheological (ER) damper. Sliding surface matrix has been selected in accordance with Hurwitz stable judgement of sliding mode motion equation, the control law was completely decoupled from external excitations. The isolated mass response of many kinds of excitations and the robustness of semi-active suspension system with respect to parameter variations were simulated. The simulation results indicated that the performance of semi-active suspension system designed with varying structure control methods are better than those of optimally passive damping, semi-active suspension system has self-adaptability with respect to external disturbances and good robustness with respect to system parameter variations.

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趙成,陳大躍.電流變智能半主動懸架的輸出反饋變結(jié)構(gòu)控制[J].農(nóng)業(yè)機械學報,2007,38(8):5-10.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(8):5-10.

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