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柴油機主動隔振系統(tǒng)液壓執(zhí)行機構(gòu)線性化仿真與試驗
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    摘要:

    提出了抑制柴油機主動隔振系統(tǒng)中液壓執(zhí)行機構(gòu)非線性問題的預(yù)補償模型參考自適應(yīng)逆控制策略。在 [10,110]區(qū)間內(nèi)隨機選取了4個不同頻率的單頻正弦信號作為液壓執(zhí)行器的激勵信號,應(yīng)用該控制策略進行線性化控制仿真及試驗研究。結(jié)果表明隨著輸入頻率的增加,控制效果有逐漸加強的趨勢,在88.52 Hz處完全濾掉了各階諧波,達到了最佳的控制效果。

    Abstract:

    Via a pre-compensator (PCMRAIC) model, the reference adaptive inverse control method was presented and the hydraulic actuator non-linear problem of the diesel engine active vibration isolation system was studied. Four different pure tone sinusoidal signals were selected randomly from [10,110] as the stimulating input signal for the hydraulic actuator. Simulation and experiment were conducted through the PCMRAIC control strategy to realize the linearization control. As a result, the control effect was strengthened with the increase of the stimulating signal inputting frequency. Other harmonic was eliminated at the frequency of 88.52 Hz, and then the best control effect was realized.

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劉學廣,肖斌,劉志剛,楊鐵軍,高忠峰.柴油機主動隔振系統(tǒng)液壓執(zhí)行機構(gòu)線性化仿真與試驗[J].農(nóng)業(yè)機械學報,2008,39(3):28-31.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(3):28-31.

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