What kind of source block is this?

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Camila Moscibrocki
Camila Moscibrocki 2020-2-10
评论： Fangjun Jiang 2020-2-10
Hi, I would like to know what kind of Simulink source block is this, I'm studying a full model for single wheelset traction control with a constant locomotive speed, and this block represents the friction constant for dry and wet rails:
Note: This isn't an editable file from Simulink, its a PrintScreen from a pdf of the book "Design and Simulation of Heavy haul Locomotives and Trains". The project was designed at Simulink, but I don't have the original .slx file.

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回答（1 个）

Fangjun Jiang
Fangjun Jiang 2020-2-10
double click to open it. The title of the dialog window shall tell the block type.
  2 个评论
Camila Moscibrocki
Camila Moscibrocki 2020-2-10
编辑：Camila Moscibrocki 2020-2-10
Hi, this isn't an editable file from Simulink, its a PrintScreen from a pdf of the book Design and Simulation of Heavy haul Locomotives and Trains". The project was designed at Simulink, but I don't have the original .slx file.
Fangjun Jiang
Fangjun Jiang 2020-2-10
If the PDF file is generated by report generator or Webview, you might be able to hover over in PDF file and it will display some info.
Anyway, it looks like a "Repeating Sequence" block. You can try this block, specifying data that represents a negative pulse.

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