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Arduino Forum Accelerometer Automated Locking system
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Related

Accelerometer Automated Locking system

Former Member
Former Member over 10 years ago

Hello,

 

I am Yuvish Chintaram from Mauritius Island.

 

Recently, I have applied to a university and my acceptance would be considered on a project that would help to contribute to my society.

My other friends are planting mangroves to help protect the marine ecosystem but I am more interested in science  and think to have find an interesting project.

 

A few months ago, an accident occured to a student that fell from a moving bus.(I have send you the link below.)

Surprisingly, two more people fell from a moving bus from the back emergency door after the earlier incident.

A solution was found by the Government that all bus should have an alarm and  that when the door opens an alarm will ring. But this does not solve the problem!

 

Hence, my idea was to incorporate a locking system that is fully autonomous. The system should lock the door while the bus is moving but unlock itself when the bus stops at a bustop.

I was thinking of using an accelerometer that will detect the acceleration of the bus that will relay to a circuit such that at a minimum value the latter will send a signal that will automatically lock or unlock the system.

eg. If(X>200)

      eletric lock is lock  

      else if (X<200)
       electric.lock is unlock

 

I am here to ask you if you could give me some advice and also if my current solution will work.

I would also be pleased to know your ideas about my project.( How would you answer it, etc..)

I would really appreciate if you could reply me as soon as possible.

 

http://news.islandcrisis.net/2015/03/17-year-old-student-keshnee-purmasing-died-after-falling-from-school-bus/

 

Regards

Yuvish Chintaram

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Top Replies

  • Robert Peter Oakes
    Robert Peter Oakes over 10 years ago +1
    Given that once the bus is at desired speed, the acceleration will effectively be zero, the same as if it where not moving so this would not be an ideal sensor to use A GPS measuring speed in any direction…
  • shabaz
    shabaz over 10 years ago in reply to gadget.iom +1
    That's true, but (been a long time since I was on a bus!) there are the 'smash glass' hammers or override buttons with thin glass in front of them. Maybe that is not an option in some countries though…
  • Former Member
    Former Member over 10 years ago in reply to balearicdynamics +1
    Yes okay. so basically I have an: 1. Arduino UNO 2. 3 Axis Gyroscope+Accelerome ter Module for Arduino MPU 6050 3. I have not still buy thew electric lock but what do you think of this: http://www.ebay…
Parents
  • gadget.iom
    gadget.iom over 10 years ago

    Page 36 of the following PDF file explains how the motion locking system operates on London Taxis:

    https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&uact=8&ved=0CEwQFjAD&url=http%3A%2F%2Fwww.covent…

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  • Former Member
    Former Member over 10 years ago in reply to gadget.iom

    Hey Paul..thnx thats really helpful..
    Thats explain a lot...
    but it has not specified what components are used..thats the problem and how they are connected all that( i think they are connected to the footbrake and this is going to be complex for me)
    And yes, for thew lock I got only this which is appropriate for the system
    If you have any in mind, please suggest me?

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  • gadget.iom
    gadget.iom over 10 years ago in reply to Former Member

    Yuvish Chintaram wrote:

     

    And yes, for thew lock I got only this which is appropriate for the system
    If you have any in mind, please suggest me?

    http://www.ebay.co.uk/itm/Solenoid-Bolt-Electro-Lock-Electronic-Access-Control-Door-Lock-Electric-Em-Tec-/191603944342?pt=LH_DefaultDomain_3&hash=item2c9c7c2b96

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  • Former Member
    Former Member over 10 years ago in reply to gadget.iom

    Thnx paul you are very helpful
    https://www.youtube.com/watch?v=X4aIvnJXgWY

    Is it that?

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  • Former Member
    Former Member over 10 years ago in reply to gadget.iom

    Thnx paul you are very helpful
    https://www.youtube.com/watch?v=X4aIvnJXgWY

    Is it that?

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  • gadget.iom
    gadget.iom over 10 years ago in reply to Former Member

    Yuvish Chintaram wrote:

     

    Is it that?

     

    Looks very similar.

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  • Former Member
    Former Member over 10 years ago in reply to gadget.iom

    Hello,
    why so silent here?
    Paul, Enrico, mcb1 help?
    Anyone know the sketch?

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  • balearicdynamics
    balearicdynamics over 10 years ago in reply to Former Member

    Hello Yuvish,

     

    sorry but for us not all days are the same. Maybe sometimes we are very busy with out jobs too image

     

    Please paste the code with syntax settings (for C or C++ is perfect) so we can copy and past in an IDE to check it in details and eventually do some tests.

     

    Enrico

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