Home Appliance Control System

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Home Appliance Control System

• Presented by
• Kelly Allison
• Kiran Kapinjal Nallamatla
• Pooja Mohan
• Uttama Shakya

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Topics for presentation

• What is HACS?
• Functional Requirements
• Non-Functional Requirements
• Prototype of initial HACS interface screens
• Use Case Diagram
• Sequence Diagram Set Microwave Options
• Collaboration Diagram Set Microwave Options

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Topics ( contd)

• Class Diagram of HACS
• CRC Card for Microwave
• Activity Diagram Configure Microwave
• System Component Diagram
• System Deployment Diagram
• Summary

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What is HACS?

• Home Appliance Control System accessed by a
  remote device such as mobile phone or a palm-top
  to allow a home owner to control, monitor and
  coordinate home appliances.

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Functional Requirements

• The heart of the home network is the control
  system written using J2EE with container
  maintained persistence (retains history for one
  month).
• The central control system (CCS) shall provide
  secure login to the system. Users are identified
  with a username and password.
• It shall accept instructions locally or remotely
  and communicate those instructions to the
  appropriate devices within the home.
• Devices / appliances within the network shall
  have the capability to communicate between
  themselves as necessary and coordinate their
  process activity.
• It shall allow the user to activate and
  deactivate the system.
• It shall allow the system to start, stop and
  display current status without interfering with
  normal operations of the devices.
• It shall allow the user to add or remove, modify
  the behavior of and view the status of devices.
• It shall control, monitor, and coordinate
  appliances as programmed.
• It shall be adaptable. Detects events that
  change the environment and respond.
• It shall encapsulate lower-level functions to
  allow algorithms to vary independently.
• It shall accept information from the appliances,
  decisions made and appropriate messages generated
  based upon the decision (i.e. alarms, notify home
  owner, dial 911).

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Non-Functional Requirements

• Portability
• Reliability
• User friendliness
• Flexibility
• Performance
• Supportability

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Use Case Diagram
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Sequence Diagram Set Microwave Options
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opt
Opt power
opt
Opt Heat
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Collaboration Diagram Set Microwave Options
turn on/off
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Collaboration Diagram Set Microwave Options -
Set Heating Parameters
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Class Diagram of HACS

• A class diagram describes the static structure of
  the symbols in your new system.
• It is a graphic presentation of the static view
  that shows a collection of declarative (static)
  model elements, such as classes, types, and their
  contents and relationships.
• Classes are arranged in hierarchies sharing
  common structure and behavior, and are associated
  with other classes

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CRC Cards

• A CRC card is an index card that is use to
  represent the responsibilities of classes and the
  interaction between the classes.
• The cards are created through scenarios, based on
  the system requirements, that model the
  conceptual view of the system.

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CRC Cards How do you create them?

• Find Classes
• Find Responsibilities
• Define Collaborators
• Move the cards around

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CRC Card for Microwave

• Microwave
• Responsibilities Collaborators
• Report trouble
  Appliance
• Accept user setting change requests
  
• Perform diagnostic tests
• Perform any schedule / script activities

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Activity Diagram

• An activity diagram typically represents the
  invocation of an operation, a step in a business
  process, or an entire business process.

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Activity Diagram Configure Microwave
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Component Diagram
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Deployment Diagram
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J2EE Basic Authentication
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Initial screen prototype
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Summary

• HACS is your Home Local Network
• It provides an interface to your home
  appliances that is
• Reliable
• Portable
• Friendly
• Flexible
• Performs well
• Supportable