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Elevators

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Elevators. Software Engineering. 2004/2005. Hydraulic Elevators. Cable Elevators [1] Control system ... Automatic breaking systems near the bottom and top of ... – PowerPoint PPT presentation

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Title: Elevators


1
Elevators
  • Software Engineering
  • 2004/2005

2
Hydraulic Elevators
3
Cable Elevators
  • 1 Control system
  • 2 Electric Motor
  • 3 Lifting wheel
  • 4 Counter-weight
  • 5 Rails

4
Security Systems
  • Elevator cables
  • Governor
  • If speed is faster than threshold, stop elevator
  • Rails
  • Electromagnetic rails
  • Automatic breaking systems near the bottom and
    top of elevator shaft
  • Shock absorbing system, at the bottom

5
Controlling elevator movement
  • Computer is responsible for
  • Managing user request
  • Knowing where the floors are
  • Knowing the cabin location
  • Managing movement policy
  • Cabin
  • Weight sensor
  • Automatic doors

6
Abstracting a few main components
Motors controller
Alarm
Elevators controller
Request Manager
7
Adding more precision to the abstraction
8
Your mission
  • You represent a company developing parts for
    elevator systems
  • You will be responsible for the development of a
    major component in an elevator control system
  • You will be competing in a market with several
    companies producing alternative components for
    the same task
  • You will be involved in standards committees

9
To learn more about elevators
  • science.howstuffworks.com
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