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Lighting Tool Box Machine Vision Lighting. Introduction to Lighting Tool Box. Lighting Tool Box system function and purpose Lighting Tool Box components LED Light Controller Incandescent Light Controller Florescent Lamp Controller Computer. Design Objectives.

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Presentation Transcript
introduction to lighting tool box
Introduction to Lighting Tool Box
  • Lighting Tool Box system function and purpose
  • Lighting Tool Box components
    • LED Light Controller
    • Incandescent Light Controller
    • Florescent Lamp Controller
    • Computer
design objectives
Design Objectives
  • The goal is to design and implement three lighting systems that can be remotely controlled via the internet.
implementation choices
Implementation Choices

Linux/GNU Operating System

  • Stability
  • Cost
  • Scalability
  • Open Source

PC104 Embedded System

  • Size
  • Heat-load
  • No moving parts
implementation choices cont
Implementation Choices cont.
  • Custom hardware for lighting controllers
    • Off the shelf products are non-existent
    • Flexibility to make changes
    • Cost
high level system block diagram
High Level System Block Diagram

Incandescent

Server

(PC104)

Incandescent

Light System

Web Cam

LED

Ring

Light

Internet

Light System

Fluorescent

Fluorescent

Light System

Client

high level block diagram incandescent lighting controller
High Level Block Diagram Incandescent Lighting controller

120V AC

Power Supply

Light

GND

MOSFET

LPF

Driver

PWM

Local/Remote

slide8

Low Level Block Diagram Power Supply

  • Vin 120 V RMS
  • Vout 12 Volts to 18 Volts Unregulated
  • Rectifier Circuit has a PIV of 36 Volts Diodes Rated at 50 Volts
  • Maximum Current of Circuit is 20 Amps
  • Capacitor was Calculated with I=C*(dv/dt)
  • 68,000 uF Electrolytic was the value closest to the calculated value
high level block diagram led lighting controller
High Level Block Diagram LED Lighting Controller

System Health

Power

Supply

12 VDC

5 VDC

PWM

Oscillator

Select

Logic

MOSFET

Driver

LED Light

Ring

Remote PWM

External

Sync

high level block diagram fluorescent lighting controller
High Level Block Diagram Fluorescent Lighting Controller

Circular

Fluorescent

Lamp

Server

(PC104)

Fluorescent

Controller

project changes
Project Changes

Lighting controllers will have the capability of being controlled in stand alone configuration.

dave and vladi s completed tasks
Dave And Vladi’s Completed Tasks
  • Acquired all needed parts (PC104, I/O Board, 2.5” HDD, Flash, Web Cam, Enclosures, Misc.)
  • Assembled PC104 and Modules
  • Installed/Streamlined Debian GNU/Linux OS on PC104 (under 100 MB compared with ~1.2 GB min Windows install )
  • Custom Linux Kernel 2.4.23 configured and compiled with i586 optimization, preemptive task scheduler, and low latency patches
  • Web Cam Installed and configured with our kernel
  • Web Site code completed in PHP, XHTML 1.0 Strict, and CSS 2.0 in accordance with W3C standards
  • Web Site daemon control module Coded
  • Web Cam Snapshot BASH Script Coded
dave and vladi s remaining tasks
Dave and Vladi’s Remaining Tasks
  • Digital I/O Card integration into our kernel
  • Digital I/O daemon control code
  • Testing of code with actual lighting systems
  • Achieve system boot time of ~ 3 sec
  • Miscellaneous enhancements of code and Operating System
feedback
Feedback

Any questions, comments, or suggestions?