Page 110 - Proceedings of the 2018 ITU Kaleidoscope
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2018 ITU Kaleidoscope Academic Conference
Table 1 – Excerpt of event log based on [19]
Case ID Activity Resource Time-stamp
Case 1 Turning & Milling - Machine 4 Machine 4 - Turning & Milling 29/1/2012 23:24
Case 1 Turning & Milling - Machine 4 Machine 4 - Turning & Milling 30/1/2012 05:44
Case 1 Turning & Milling - Machine 4 Machine 4 - Turning & Milling 30/1/2012 06:59
Case 1 Turning & Milling - Machine 4 Machine 4 - Turning & Milling 30/1/2012 07:21
Case 1 Turning & Milling Q.C. Quality Check 1 31/1/2012 13:20
Case 1 Laser Marking - Machine 7 Machine 7- Laser Marking 1/2/2012 08:18
Case 1 Lapping - Machine 1 Machine 1 - Lapping 14/2/2012 00:00
Case 1 Lapping - Machine 1 Machine 1 - Lapping 14/2/2012 00:00
Case 1 Lapping - Machine 1 Machine 1 - Lapping 14/2/2012 09:05
Case 1 Lapping - Machine 1 Machine 1 - Lapping 14/2/2012 09:05
Case 1 Round Grinding - Machine 3 Machine 3 - Round Grinding 14/2/2012 09:13
Case 1 Round Grinding - Machine 3 Machine 3 - Round Grinding 14/2/2012 13:37
Case 1 Final Inspection Q.C. Quality Check 1 16/2/2012 06:59
Case 1 Final Inspection Q.C. Quality Check 1 16/2/2012 12:11
Case 1 Final Inspection Q.C. Quality Check 1 16/2/2012 12:43
Case 1 Packing Packing 17/2/2012 00:00
... ... ... ...
Case 253 Flat Grinding - Machine 11 Machine 11 - Grinding 10/1/2012 11:59
Case 253 Lapping - Machine 1 Machine 1 - Lapping 11/1/2012 00:00
Case 253 Laser Marking - Machine 7 Machine 7- Laser Marking 11/1/2012 14:23
Case 253 Final Inspection Q.C. Quality Check 1 15/1/2012 06:50
Case 253 Packing Packing 16/1/2012 00:00
Case 253 Packing Packing 16/1/2012 00:00
Case 254 Laser Marking - Machine 7 Machine 7- Laser Marking 2/1/2012 10:15
Case 254 Flat Grinding - Machine 11 Machine 11 - Grinding 2/1/2012 14:00
Case 254 Flat Grinding - Machine 11 Machine 11 - Grinding 3/1/2012 17:04
Case 254 Flat Grinding - Machine 11 Machine 11 - Grinding 4/1/2012 10:28
Case 254 Final Inspection Q.C. Quality Check 1 4/1/2012 15:26
Case 254 Packing Packing 6/1/2012 00:00
Case 254 Final Inspection Q.C. Quality Check 1 6/1/2012 10:24
Case 255 Turning - Machine 8 Machine 15 - Turning 2/1/2012 07:00
Case 255 Turning Q.C. Quality Check 1 5/1/2012 13:58
Case 255 Laser Marking - Machine 7 Machine 7- Laser Marking 10/1/2012 09:22
Case 255 Final Inspection Q.C. Quality Check 1 11/1/2012 10:22
Case 255 Packing Packing 16/1/2012 00:00
The multiplicative input gate units are used to avoid the multiplication by elements. Therefore, the degree to which
negative effects that unrelated inputs can create. The input the previous memory block will be effective in the current
gate controls the input flow to the memory cell, and the output LSTM is determined. If the activation output vector contains
gate controls the output sequence of the memory cell to other values close to zero, the previous memory will be forgotten.
LSTM blocks. The input gateis a section where thenew memoryiscreated by
The forget gate in the structure of the memory block is a simple neural network with the activation function tanh and
controlled by a single-layer of the neural network. At a time the previous memory block. These operations are calculated
t, the components of the LSTM unit are updated by means of using equations (2) and (3).
equation (1) [22, 9].
i t = σ(W[x t , h t−1 , C t−1 ] + b i ) (2)
f t = σ(W[x t , h t−1 , C t−1 ] + b f ) (1)
C t = f t .C t−1 + i t .tanh(W[x t , h t−1 , C t−1 ] + b c ) (3)
where x t is the input sequence, h t−1 is the previous block
Finally, the output gate is the section where the probabilities
output, C t−1 is the previous LSTM block memory, and b f
is the polarization vector. W represents separate weight of the current LSTM block are generated [9]. The output is
vectors for each input and σ is the logistic sigmoid function. calculated by means of equations (4) and (5).
The sigmoid activation function, which is the output of the
forgetting gate, is applied to the previous memory block by o t = σ(W[x t , h t−1 , C t−1 ] + b o ) (4)
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