研究生学术英语演讲示范知识讲解

The motivation of this paper
(4)electrical disturbance
The motivation of this paper
(5)ballast degradation
The motivation of this paper
➢ (1)insulated joint defect ➢ (2)conductive object ➢ (3)mechanical rail defect ➢ (4)electrical disturbance ➢ (5)ballast degradation
研究生学术英语论文演讲 示范
structure
➢ A brief introduction on railway track circuits ➢ The motivation of this paper ➢ This paper’s work
A brief introduction on railway track circuits
This paper’s work
Neural Network
InpuMCtoe&nmtOroourlytupununittitunits
This paper’s work
Neural Network
This memory neural unit allows the trained neural networks to have better memory effects and faster training speeds
Βιβλιοθήκη Baidu
Output 2nd neural layer 1st neural layer Data input
Result
1500 sequences’s(Simulation and actual data) results of RNN and CNN
(THE ROWS INDICATE THE TRUE CLASS AND THE COLUMNS REPRESENT THE PREDICTED CLASS)
➢ Depend on manual
measurement
➢ Cost much time on fault diagnosis in an emergency
The motivation of this paper
Therefore, in order to avoid artificial participation and shorten the fault detection time, the author of this paper hopes to use Neural Network to automatically and quickly identify these faults.
(1) Insulated joint defect
The motivation of this paper
(2) Conductive object across the insulated joints
The motivation of this paper
(3)mechanical rail defect
RNNs Accuracy:99.7%
CNNs Accuracy:99.2%
Thank you！
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Function: detect the absence of a train in a section of railway track.
No train
A train in
Train out
Signal curve when a train pass a track circuit
The motivation of this paper
Cause Failure in Railway Track Circuit, which
will lead to disastrous safety
problems
The motivation of this paper
➢ (1)insulated joint defect ➢ (2)conductive object ➢ (3)mechanical rail defect ➢ (4)electrical disturbance ➢ (5)ballast degradation