【Key words】 Multi-Body System Theory； Multi-Axis CNC Machine Tool； Precision Modeling； Error Measurement And Evaluation； Accuracy Predicting； Software Error Compensating； Virtual Machining；
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建模精度 modeling accuracy
Thus, this paper makes a systematic and in-depth study on the MBS kinematics theory and the methods of precision modeling, error identification, accuracy prediction, and error compensation based on the studied theory.
本文对多体系统运动学以及基于该理论的机床精度建模、误差辨识、精度预测及误差补偿的方法作了系统、深入的探讨。
参考来源 - 多轴数控机床精度建模与误差补偿方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
该算法对角速度建模精度的要求较低，无需卫星动力学方程，方法简单且易于实现。
The algorithm had low requirement to the modeling accuracy of Angle rate and no need of kinetic equation for satellite, which was simple and easy to implement.
建立燃气轮机数学模型是船舶动力及其控制系统研制的重要手段，建模的关键在于提高精度和收敛速度。
The mathematic model of gas turbine engine is important for the development of ship power and its control system. The key of modeling is the precision and convergence.
与其他建模方法相比，如anfis，模糊树模型计算量小，精度高，尤其在高维数据建模中更为明显。
Compared with some other modeling methods, such as ANFIS, the proposed model is of less computation, higher accuracy, especially for high dimension data modeling.
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