Advanced Occupancy System

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Advanced Occupancy System
Mitch WilliamsAdam WinterShane Woolwine
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Introduction

• It is our goal to develop a new sensory system
  that will allow a system operator to determine
  the availability of an area of interest. Sensor
  results are conveyed to a remotely located system
  display.
• This new system is based on a collection of
  existing technology that will be used to collect
  real time data within a perimeter of operation.
• Three situations concerning area of interest
  availability have been identified.
• An individual is located in an AOI.
• Objects or possessions have been left in an AOI.
• The AOI is unoccupied.

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Motivation

• Our motivation for this product is to increase
  consumer efficiency by developing a product that
  improves time management through the use of a
  more advanced organizational system.
• Currently methods for determining and monitoring
  the availability of an area of interest require
  large amounts of wasted time and effort.

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Possible Applications

• Library Tables Study Areas
• Classrooms Conference Rooms
• Energy Conservation
• Heating and air systems configured to adapt to
  information collected by the occupancy system.
• Sociology
• What areas do individuals tend to occupy?

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Current Competition

• People Counters
• Technology that uses motion detectors to count
  the number of people in an area of interest to
  determine occupancy levels
• Surveillance Security Companies
• Energy Efficiency Companies
• Systems that perform tasks such as turning off
  lights or appliances when they are not in use

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Customer Needs

• Display
• The ability to view information from a remote
  location
• Privacy
• The system does not invade consumer privacy, i.e.
  no cameras
• Appearance
• Does not interfere with normal activity
• Reliability
• The system requires minimal user intervention

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Customer Needs - 2

• Versatility
• System is extensible and expandable
• Can be implemented in a variety of locations
• Accuracy
• Can adjust for different occupancy scenarios
• Cost
• The system is priced affordably

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Key Sub Problems

• Sense Presence in Area of Interest
• What sensor(s) can give us the best information
  regarding occupancy while still maintaining power
  and privacy restrictions?
• Process Sensor Data
• What is the best method to accurately process
  sensor data and efficiently relay necessary
  occupant information?

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Interesting Sub-Solutions

• Sense Presence
• Motion Sensor
• Accuracy concern
• Thermal Sensor
• Unable to adjust to different occupancy scenarios
• Camera
• Privacy Invasion
• Combination Sonar Thermal (selected)
• Satisfies level of accuracy, desired information,
  and most customer needs

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Interesting Sub-Solutions - 2

• Process Sensor Data
• FPGA
• Not in our skill set
• PC
• Not Versatile
• Sensor Node (selected)
• Versatility Ease of use

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Final Concept

• A combination sensor scheme
• Thermal Sonar
• Possibly aggregated in one box or a multi-part
  design
• Sensor Node
• A microcontroller with radio
• Used to analyze sensor data and transmit relative
  information

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Diagram - Aggregate Model
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Diagram - Multi-part Model
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Proto-type

• Detect people, object, both, or neither in a
  given area represented by a table
• Break occupancy area (table) into a quadrant to
  show region occupancy
• Transmit the data wirelessly to a gateway mote
  connected to a PC and display information on PC