1. Optimal Wireless Lighting Control For Office Buildings Kim Rowe

2. Overview  Lighting Control Efficiency  LED Lighting Efficiency  Wireless Lighting Control  Architectures  Hardware  Software  Implementation  Summary

3. Lighting Control Efficiency  Lighting Costs  Office Building Lighting Costs  Individual Control Savings  Light Harvesting  7% of Energy*  20% of Building Costs*  23% Cost Reduction*

4. LED Lighting  Bulb Replacement (20% Longer)  75% Less Energy  Bulb Tube Replacements  Luminair Replacement  110V/60Hz  220V/50Hz  Lighting Control System  Warranty Cost

5. Wireless Lighting Controls  User Control Convenience  Wireless Remote Per User  Movable Switches  Cell Phone Control  Installation Cost Reduction  Restructuring Cost Reduction  Movable Control Panels & Switches  Reprogramming Lighting Control

6. Architectures  Hardware System Architecture  Software System Architecture  Unison Ultra Tiny Embedded Linux  Component Hardware Architectures  Control Node  Ballast Control  Light Sensor  Shade Control

7. System Hardware Architecture

8. System Hardware Architecture Assumptions  Wireless For:  Cost Reduction  Phone Access  Convenience  Restructuring  Unison Ultra Tiny Embedded Linux  COTS Software Components  Legacy Serial Connections  Lower Security Acceptable

9. System Software Requirements  Wireline Interface For Maintenance  Login/Password Information  Group Control  Individual Cube and Room Control  Control Panel Support  Solaris, AIX, Linux & Windows …  Browser Based Solution  Scripting Option

10. Unison  100% Linux Compatible  100% POSIX Compatible  Complete Integrated I/O Components  TCP/IP, UDP, Telnet, Thttpd, Tftpd,...  File Systems  Serial  Graphics  Motor Control  Power Supplies and Lighting Control

11. Unison Architecture

12. Control Hardware Architecture

13. Control Software Architecture

14. Ballast Hardware Architecture

15. Ballast Software Architecture

16. Shade Hardware Architecture

17. Shade Software Architecture

18. Light Sensor Hardware Architecture

19. Light Sensor Software Architecture

20. Control Panel Hardware Architecture

21. Control Panel Software Architecture

22. Implementation  COTS Software  Ultra Tiny Embedded Linux (Unison)  Web Server, TFTP, Telnet with Posix Shell, TCP/UDP, SNMP, SNTP,  Wireless Options: WiFi, WiMAX, Zigbee, Low Cost Zigbee, Bluetooth, RF4Home  SoC ARM Cortex M3 Processors  PWM, SPI, Ethernet, Serial, A/D, uSD, NOR/NAND Flash

23. Summary  Wireless Office Control = $$$$ Savings  Control Via Switches, Panels, Phones and Remotes – Very Usable  LED Lighting = $$$ Savings  Wireless Installation  50% Savings

24. Summary  COTS Software  Unison Ultra Tiny Linux  Networking and Integration Components  Management System Integration  ARM Cortex M3 MCUs  Low Cost Hardware Solutions  High Quality (Color Touch Panel, Wireless)

25. Demo and Questions