镗孔加工尺寸误差预测补偿是控制镗孔加工尺寸分散度、保证零件互换性的一种经济、有效的方法。
Dimension error prediction and compensation for boring is a cost effective method to control the dimension distribution and maintain part exchangeability.
结合机械加工自动线镗孔加工的实际应用，研制了一套面向大批量生产过程的在线镗孔加工尺寸误差预测补偿系统。
Combining the practical application in transfer line for boring, an on-line dimension error prediction and compensation system for boring in series production is developed and applied.
通过对机械加工自动线的分析，阐述了用于大批量生产的机械加工自动线的镗孔加工尺寸误差预测补偿系统的要求。
Firstly, the requirements to dimension error prediction and compensation system for boring in series production are identified and described, based on the analysis of transfer lines.
高精度的匹配和补偿可以减少预测误差，提高压缩视频图像的质量。
The prediction error can be decreased, incorporating with high accuracy estimation and compensation, and the quality of compressed video can be improved.
高精度的匹配和补偿可以减少预测误差，提高视频图像的压缩效果。
The prediction error can be decreased by incorporating high accuracy estimation and compensation, and the performance of compressed video can be improved.
因而，针对叶片在切削过程中的误差进行预测及主动补偿技术的研究，对提高叶片加工质量和加工效率具有重要意义。
Consequently, the prediction of the machining error in blade milling process and the investigation of active compensation can improve machining quality and processing efficiency significantly.
实验表明，本文采取的回弹预测方法可以将回弹预测误差控制在一定的范围内，采取的补偿措施在零件加工中取得了满意效果。
Experiment results show that the new prediction method can control the rebound forecast error within a certain range, the compensate measures has been achieved good results.
在线检测；预行程误差；BP神经网络； 误差预测； 误差补偿；
On-line inspecting system; Pre-travel error; BP neural network; Error prediction; Error compensation;
在线检测；预行程误差；BP神经网络； 误差预测； 误差补偿；
On-line inspecting system; Pre-travel error; BP neural network; Error prediction; Error compensation;
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