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Notification Systems Inc. (NSI)

Notification Systems Inc. (NSI). RECALIBRATION ALARM SYSTEM. Team Members. Brian W. Hagerty Team Leader. Dr. Nicolas H.Younan Advisor. Alex Kua. Amanda D.Wilcox. Members Responsibility. Predicted Timeline. Current Status. Timeline. Abstract.

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Notification Systems Inc. (NSI)

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  1. NotificationSystems Inc. (NSI)

  2. RECALIBRATION ALARM SYSTEM

  3. Team Members Brian W. Hagerty Team Leader Dr. Nicolas H.Younan Advisor Alex Kua Amanda D.Wilcox

  4. Members Responsibility

  5. Predicted Timeline Current Status Timeline

  6. Abstract • Data collection, large part of remote sensing • ASD needs to be recalibrated many times throughout the day • The operator of the ASD does not know when to recalibrate • Solving this problem: Analyze radiance data from Multi-Filter Rotating Shadow Band Radiometer (MFR-7) • When recalibration is needed, a transmitted signal will activate an alarm • Alarm notifies the ASD operator to recalibrate

  7. Design Requirements • Power Specification: • Transmitter/Analyzer: 12V DC power supply directly from the YESDAS system • Receiver: 12V ( 4 button cell batteries) • Signal Processing: • The analyzer will receive the serial transfer digital signal directly from the RS-232 interface. The analyzer will send a signal to be transmitted if there is a changes of >= 50 W/m2/nm. • Performance: • The whole system will be able to transmit and receive up to 2 miles away. Error for the frequency of oscillation should be less than +/- 5%. The analyzer will be able to continuously analyze real-time data. 4. Electromagnetic Compatibility: Since this device involves transmission of a signal, the signal would adhere to part 15 of the FCC regulation particularly § 15.13 and § 15.17 5. Installation: The transmitter together with the analyzer will be easily mounted near the MFR-7 and high enough from the ground. The receiver will be portable. The user will be able to wear it on his/her hip similar to a pager.

  8. Design Requirements (Cont.) 6. Physical Packaging: The transmitter/Analyzer will not be larger than 6.5” high, 7.5” long and 5” deep weighing less than 5lb (2.76kg) and the receiver must be small and lightweight enough to beportable. In this case, it will not be larger than 3” high, 4” wide and 1.5” deep, which is approximately the size of a pager. 7. Durability: The analyzer/transmitter device will be able to withstand outside environmental conditions . This generally corresponds to a ± 50° C environmental temperature range. Also, both the analyzer/transmitter and the receiver/alarm will be able to withstand being dropped as may occur in typical use. 8. Cost: The cost of the Transmitter/Analyzer will be kept to a minimum. It will not exceed $150. While the receiver cost will not exceed $50 each.

  9. The Recalibration Alarm System Transmitter If recalibration is needed MFR-7 Located at North Farm ASD user STATION Signal Analysis (Hardware) FIELD

  10. Received data S Decision Standard graph Memory 2.02 pm 10:42 am The Analyzer Simulation

  11. Typical Day Slope Difference Slope Difference between Typical Day and Standard Day • Alarm Status Difference of >=50 STATUS • Prototype: PROGRAMMING STAGES • Testing: IN PROCESS Alarm Sounds Standard Day Slope Difference Alarm Off

  12. The Transmitter

  13. D/A Converter Buffer Amplifier High Pass Filter Low Pass Filter Analyzer signal Gain Control Booster Multiplier Antenna Relaxation Oscillator Integrator Transmitter Flow Chart

  14. STATUS • Prototype: COMPLETED • Testing: COMPLETED • Packaging: IN PROCESS Input Signal Output Signal Transmitter Output

  15. The Receiver

  16. Low-Pass Filter DC Block Rectifier Transmitter Signal 2nd Order Low-Pass Audio Amp Receiver Flow Chart

  17. Simulated Output STATUS • Prototype: COMPLETED • Testing: COMPLETED • Packaging: IN PROCESS Input Signal Prototype Output Output Signal Receiver Output

  18. Demonstration

  19. Transmitter Price List

  20. Receiver Price List

  21. Design Status • Transmitter • Prototype: COMPLETED • Testing: COMPLETED • Packaging: IN PROCESS • Receiver • Prototype: COMPLETED • Testing: COMPLETED • Packaging: IN PROCESS • Analyzer • Prototype: PROGRAMMING STAGES • Testing: IN PROCESS

  22. Acknowledgement • Advising : • Dr. Nicolas H.Younan – Mississippi State University (ECE Department) • Proposal : • Dr. Lori Bruce – Mississippi State University (ECE Department) • Assistance : • Dr. Joseph Picone – Mississippi State University (ECE Department) • Dr. Roger L.King – Mississippi State University (ECE Department) • Dr. Patrick Donohoe –Mississippi State University (ECE Department) • Mr. Louis Wasson – Mississippi State University (Department of Plant and Soil Sciences) • Mr. Tim Cary – Manufacturing Technician (Yankee Environmental Systems, Inc)

  23. References

  24. References

  25. References

  26. RECALIBRATION ALARM SYSTEM

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