Friday, September 14, 2007

Design of an Intelligent Switch

Our team has to design the intelligent switch according to the following guidelines

  • The switch should be capable of switching ON and OFF a bulb in toggle manner (up to 100W) There many techniques can be used to modify the switch.
For an example.
  • Input (Push button switch, touch sensitive switch etc...)
  • Actuator (Relays)
  • Any switch should be capable of switching ON and OFF a bulb connected to any switch.
  • It should be possible to connect the switch to a common data bus in plug and play manner (i.e. once the switch is connected to a common data line. It should be automatically assigned an address, which will be used for referring to that switch. (Select a suitable protocol from standard protocols)
  • The switch should have the user interface to specify the address of the switch to be controlled.
  • In a case of a power failure, there should be a mechanism to retain the last status of the switch when the power back.
  • Discuss options available for powering the design with following factors in mind.
  1. Techniques to minimize power consumption
  2. Ease of use.