Vigilance Control Device

  • Thread starter ENE
  • Start date
  • #1
ENE
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2
Hello,
What is VCD and how it work?
 

Answers and Replies

  • #2
Simon Bridge
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What do you find out when you google "what is a vigilence control device"?
Do you know what a "dead man's switch" is?
 
  • #3
ENE
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No.
 
  • #4
Nidum
Science Advisor
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One of the best known examples is the ' Dead Man's Handle ' as used traditionally on many Diesel and Electric trains .

Driver has to keep a handle or treadle depressed whilst driving . If driver releases pressure then first a warning siren sounds , then a partial brake application is automatically made and then a full brake application if driver does not respond .

Many variants . There is normally a procedure which allows driver to release handle/ treadle briefly without triggering the alarm and braking so as to be able to do necessary tasks away from the driving position .

That is the traditional system . Modern trains have much more complex integrated safety systems .
 
  • #5
ENE
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Hello,
From where you learn it?
 
  • #6
Vanadium 50
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You were already given a good starting point: "What do you find out when you google "what is a vigilence control device"?"

We can't do your work for you - you've posted question after question after question without having put in the tiniest piece of effort. This helps neither you nor us.
 

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