Control System

Discussion in 'The Projects Forum' started by yuanshikai, Feb 2, 2012.

  1. yuanshikai

    Thread Starter Member

    Sep 17, 2011
    49
    0
    Hi to all,
    I'm a newbie on electronics and in need of some help.
    We were tasked to design a simple control system project.
    And I would like to hear some suggestions if it's not too much of a hassle.
    We aren't really taught practical stuff in class, but the professors still task us with projects we never really learned of. So I hope i can reach out to the allaboutcircuits community for assistance. ^_^

    I know how to use PICs, filters, regulators, amplifiers, light and sound sensors and most of the basic stuff.
    I'm still learning receivers, transmitters, flash drives, multiplexers and am willing to learn new stuff.

    Btw, in the past, I've made a power supply, a two-stage amplifier, and a multitester using a PIC chip. I'm also currently working on a FM receiver and transmitter.
     
  2. GetDeviceInfo

    Senior Member

    Jun 7, 2009
    1,571
    230
    a control 'system' may consist of ;
    - bringing the process up from a powered down state, or simply 'power on'.
    - driving the process toward a steady state
    - detecting and alerting in the event of excessive errors
    - provide manual intervention of process variables
    - bringing the process down to a rest state, or simply a 'power off'

    In industry, an additional component of safety wraps the entire 'system'.
     
  3. yuanshikai

    Thread Starter Member

    Sep 17, 2011
    49
    0
    control system in my case prolly is in the broader sense of the word, any system that controls.
     
  4. GetDeviceInfo

    Senior Member

    Jun 7, 2009
    1,571
    230
    play on words. No clue what your looking for.
     
  5. wayneh

    Expert

    Sep 9, 2010
    12,154
    3,061
    I think he wants to control a lightbulb with a switch. :p So far he hasn't said that's not what he needs.
     
  6. yuanshikai

    Thread Starter Member

    Sep 17, 2011
    49
    0
    ok then just ignore the control sytem part. I want to make an electronics project that's slightly above controlling a light bulb with a switch and makes use of IC's.
     
  7. ifixit

    Distinguished Member

    Nov 20, 2008
    639
    108
    Hi yuanshikai,

    How about a control system that heats up a thermal mass to a specified temperature? You would learn a ton by doing this project, which is why your prof is having you do projects. Learn by doing.

    The sketch attached is a simple control loop between a heat generator and a heat temperature sensor. You get to learn about power drivers, thermistors, or electronic sensors, PID filters and there function and how heat travels in a heat conductor like a transistor heatsink.

    It should also be fun to do.

    Good Luck,
    Ifixit
     
  8. yuanshikai

    Thread Starter Member

    Sep 17, 2011
    49
    0
    Ifixit,
    thanks for the suggestion,
    i'll consider it,
    and do you have other suggestions beside this?
     
  9. MrChips

    Moderator

    Oct 2, 2009
    12,449
    3,368
    A PID control of the temperature a container of water (hot or cold) is an excellent project.
     
  10. wayneh

    Expert

    Sep 9, 2010
    12,154
    3,061
    Here's a project for a "refrigerator" that doesn't use micro controllers.
     
  11. yuanshikai

    Thread Starter Member

    Sep 17, 2011
    49
    0
    i want to make something awesome and practical yet simple enough.
     
  12. crutschow

    Expert

    Mar 14, 2008
    13,056
    3,245
    That's already been done. :rolleyes:
     
  13. yuanshikai

    Thread Starter Member

    Sep 17, 2011
    49
    0
    Then i want to copy it.
     
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