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Forecasting model building method and related forecasting method and computer program product

A computer program and predictive model technology, applied in computer control, program control, simulator, etc., can solve problems such as inability to achieve comprehensive quality control

Active Publication Date: 2020-08-11
IND TECH RES INST
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method cannot achieve the purpose of comprehensive quality control

Method used

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  • Forecasting model building method and related forecasting method and computer program product
  • Forecasting model building method and related forecasting method and computer program product
  • Forecasting model building method and related forecasting method and computer program product

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Embodiment Construction

[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0038]The invention is a virtual measurement (multitask learning based VM) system based on multitask learning. During the training phase of the virtual measurement system, use the multitask data selection mechanism to select suitable task data for training in the task database according to the key component status. , and correspondingly establish multiple prediction models. However, the virtual measurement system of the present invention utilizes a multitask learning algorithm (Multitask Learning Algorithm) and uses Lasso regression to establish a prediction model. Of course, the present invention is not limited to establishing a prediction model by using lasso regression, and may also use, for example, ridge-regression ...

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Abstract

The invention provides a prediction model establishment method applied to a processing machine to manufacture a workpiece. The predictive model building method includes the following steps: during the manufacture of the workpiece, a processing machine parameter set is generated; after the workpiece is manufactured, the workpiece is measured to generate a workpiece quality parameter set; determined by the processing machine parameter set A key part state; and according to the processing machine parameter set, the workpiece quality parameter set and the key part state, a corresponding workpiece quality prediction model under the key part state is generated.

Description

technical field [0001] The present invention relates to a method for establishing a forecast model, a related forecast method and a computer program product. Background technique [0002] In increasingly complex processing applications, whether the workpiece is qualified or not (Go / NoGo) is often the result of judging the quality of multiple workpieces. Taking the bearing processing machine as an example, the workpiece quality of the bearing processing machine includes: the height, entrance diameter, inner diameter and groove diameter of the bearing. After the workpiece (bearing) is manufactured, it is necessary to further measure the height, entrance diameter, inner diameter and groove diameter of the bearing, and the results of measuring the quality of these workpieces can be used to judge whether the workpiece is qualified or not. [0003] When one or more workpieces are judged to be of poor quality, the workpiece is considered as unqualified (NoGo). For example, when t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/4097
CPCG05B19/4097G05B2219/32194G05B19/41875G05B2219/32201G05B13/041G05B13/048
Inventor 林群惟陈德铭
Owner IND TECH RES INST