通过振动铲斗激振力及检测铲斗工作状态下的加速度或位移，利用合适算法能够较好地辨识出被掘削土体参数。
According to the vibratory force, acceleration or displacement of the bucket, which are measured in working state, the reasonable identification algorithm of soil parameter is also presented.
振动使土壤的抗剪强度下降是切削阻力下降的主要原因，同时，铲斗与土壤间摩擦力和粘附力下降，也是切削阻力下降的原因之一。
The main reason is that the cutting intension of soil reduced due to vibrating, and another one is the deducing of friction between bucket and soil.
依据振动掘削的动力学特征和振动机理，建立铲斗-土壤的单自由度模型。
The single degree of freedom model of bucket-soil was established according to the dynamic characters and vibratory mechanism.
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