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考慮陀螺效應(yīng)的動(dòng)力總成懸置系統(tǒng)分析和優(yōu)化
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    摘要:

    應(yīng)用陀螺力學(xué)理論，對(duì)傳統(tǒng)動(dòng)力總成懸置系統(tǒng)的無阻尼動(dòng)力學(xué)方程進(jìn)行修正,，引入陀螺矩陣,，得到新的動(dòng)力學(xué)方程,。對(duì)新的動(dòng)力總成懸置系統(tǒng)動(dòng)力學(xué)模型進(jìn)行計(jì)算分析,，研究了陀螺矩陣對(duì)頻域,、時(shí)域響應(yīng)的影響,。使用遺傳算法分別對(duì)修改前后的方程進(jìn)行優(yōu)化計(jì)算,，并進(jìn)行比較分析。結(jié)果表明,，對(duì)于低轉(zhuǎn)速發(fā)動(dòng)機(jī),，曲軸轉(zhuǎn)動(dòng)的陀螺效應(yīng)不明顯，而對(duì)于高轉(zhuǎn)速的發(fā)動(dòng)機(jī),，陀螺效應(yīng)不能忽略,，應(yīng)以考慮陀螺力矩的方程為基礎(chǔ)進(jìn)行設(shè)計(jì)分析。

    Abstract:

    The traditional no-damp equation of a engine-mount system was modified with consideration of gyro effect. To indicate the effect of gyro moment on the mount system, including frequency domain response and time domain response, the new system was analyzed. The engine-mount was optimized for the traditional equation and the new equation, respectively, using the genetic algorithm. The results for two equations were analyzed and compared, which showed that the gyro effect of the crankshaft system could be ignored for low rotating-speed engine and it should be considered for higher rotating-speed engine.

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劉獻(xiàn)棟,周賢杰.考慮陀螺效應(yīng)的動(dòng)力總成懸置系統(tǒng)分析和優(yōu)化[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(3):10-14.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(3):10-14.

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