And the mathematical model for the calculation of the technological process optimization was built through artificial neural net simulation of the technological analysis of the plastic part.
通过对塑件工艺分析的人工神经网络模拟，建立了可供工艺优化计算的数学模型。
BP neural networks model of the main spindle system of the grinder is built and the structure model updating and optimization calculation are carried through based on the method.
基于此法建立了磨床主轴系统的BP神经网络模型并进行了结构修正与优化计算。
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