Description
hardware flow control. It is an ideal choice in the field of industrial automation.
(2) Data collection and traceability issues. Data collection issues often occur, and many assembly lines lack “end-to-end traceability.”
In other words, there are often no unique identifiers associated with the parts and processing steps being produced.
One workaround is to use a timestamp instead of an identifier. Another situation involves an incomplete data set. In this case, omit
incomplete information parts or instances from the forecast and analysis, or use some estimation method (after consulting with manufacturing experts).
(3) A large number of features. Different from the data sets in traditional data mining, the features observed in manufacturing analysis
may be thousands. Care must therefore be taken to avoid that machine learning algorithms can only work with reduced datasets (i.e.
datasets with a small number of features).
(4) Multicollinearity, when products pass through the assembly line, different measurement methods are taken at different stations
in the production process. Some of these measurements can be highly correlated, however many machine learning and data mining
algorithm properties are independent of each other, and multicollinearity issues should be carefully studied for the proposed analysis method.
(5) Classification imbalance problem, where there is a huge imbalance between good and bad parts (or scrap, that is, parts that do not
pass quality control testing). Ratios may range from 9:1 to even lower than 99,000,000:1. It is difficult to distinguish good parts from scrap
using standard classification techniques, so several methods for handling class imbalance have been proposed and applied to manufacturing analysis [8].
(6) Non-stationary data, the underlying manufacturing process may change due to various factors such as changes in suppliers
or operators and calibration deviations in machines. There is therefore a need to apply more robust methods to the non-stationary
nature of the data. (7) Models can be difficult to interpret, and production and quality control engineers need to understand the analytical
solutions that inform process or design changes. Otherwise the generated recommendations and decisions may be ignored.
Display operation panel DO802
Display operation panel DO802
Display operation panel DO801-eA
Display operation panel DO801 3BSE020510R1
Display operation panel DO801
Display operation panel DO801
Display operation panel DO801
Display operation panel DO630
Display operation panel DO620
Display operation panel DO620
Display operation panel DO610
Display operation panel DO210
Display operation panel DNC115
Display operation panel DLM02
Display operation panel DLM01
Display operation panel DL22N-22
Display operation panel DKL032
Display operation panel DIGIFAS7201
Display operation panel DIGIFAS7116
Display operation panel DIGIFAS7108
Display operation panel DIGIFAS7105
Display operation panel DI93a HESG440355R3
Display operation panel DI890
Display operation panel DI890
Display operation panel DI885
Display operation panel DI885
Display operation panel DI840-eA
Display operation panel DI840
Display operation panel DI831
Display operation panel DI831
Display operation panel DI830 3BSE013210R1
Display operation panel DI830
Display operation panel DI830
Display operation panel DI828-eA
Display operation panel DI825
Display operation panel DI825
Display operation panel DI821Z
Display operation panel DI821-eA
Display operation panel DI821
Display operation panel DI821
Display operation panel DI820-eA
Display operation panel DI820
Display operation panel DI820
Display operation panel DI818-eA
Display operation panel DI818
Display operation panel DI814-eA
Display operation panel DI814
Display operation panel DI814
Display operation panel DI814
Display operation panel DI811-eA
Display operation panel DI811
Display operation panel DI811
Display operation panel DI810-eA
Display operation panel DI810 3BSE008508R1
Display operation panel DI810
Display operation panel DI810
Display operation panel DI810
Display operation panel DI803-eA
Display operation panel DI803
Display operation panel DI803
Display operation panel DI802-eA
Display operation panel DI802
Display operation panel DI802
Display operation panel DI801-eA
Display operation panel DI801
Display operation panel DI801
Display operation panel DI801
Display operation panel DI801
Display operation panel DI724F
Display operation panel DI651
Display operation panel DI650 3BHT300025R1
Display operation panel DI650
Display operation panel DI620
Display operation panel DI610
Display operation panel DI581-S
Display operation panel DI524
Display operation panel DI210
Display operation panel DI04
Display operation panel DI01
Display operation panel DDO02
Display operation panel DDO01
Display operation panel DDI03
Display operation panel DDI01
Display operation panel DDC779CE102 3BHE027859R0102
Display operation panel DDC779CE102 3BHE027859R0102
Display operation panel DDC779BE02 3BHE006805R0002
Display operation panel DDC779BE02 3BHE006805R0002
Display operation panel DCS150-7E
Display operation panel DCP10
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