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Silent Partner

Silent Partner. Submitted by: FREDERICK J HALL JOSEPH JOHN HOMZA JR STEVE LUTZ . What is Silent Partner?.

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Silent Partner

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  1. Silent Partner Submitted by: FREDERICK J HALL JOSEPH JOHN HOMZA JR STEVE LUTZ

  2. What is Silent Partner? • Our project is a first alert vest for use in the military/law enforcement industry. The vest will alert command and control personnel if the user is struck with an aggressive blow to the chest or back. We are planning on integrating it into currently designed personal protection equipment.   

  3. Project Scope • Project Name: Silent Partner • Problem: There is currently no automatic system to alert dispatch if an officer is in trouble. We are proposing to build such a system. • Goal: To create a prototype vest to aid in officer safety by May 2011. The vest will sense any malicious contact with the officer, alerting dispatch wirelessly that that officer is in need of assistance.

  4. SMART Objectives • Specific: We will be creating a prototype vest that will fit under current police personal protective equipment that will wirelessly alert dispatch of malicious contact via the paging band. • Measurable: The vest will differentiate a "malicious" force from normal forces experienced by a police officer during a regular duty shift. The wireless portion of the vest will transmit a signal a distance yet to be determined. The surveys currently distributed will help us determine the distance required. • Assignable: Currently all group members are contributing to the content of the website, as well as researching currently available pressure sensors and compact transmitters. Once the design and construction phase begins, each member will be responsible for managing a team designing different portions of the prototype as follows; Sensor/Electronics Box    - Hall / Homza                      Transmitter                        - Lutz / Hall                      Receiver / Antenna tech   - Homza / Lutz 

  5. SMART Objectives cont. • Realistic: In the interest of time and cost, our prototype may be a scaled down model of the future marketable product, both in size and signal transmission range. • Time Based: A prototype vest will be built by May 2011.

  6. Block Diagram

  7. Initial Proof of Concept • Weight: No greater than 5 pounds. • Battery:Power 120VAC transmitter. Battery life 2 hours minimum. • Sensor: Zero to 25 pound detection range, 0-20 lbs non-malicious force, 20-25 lbs malicious force to activate transmitter. • Transmitter: S-Band, 2-4 GHz. Range 25-50 ft line of sight. • Receiver: S-Band, 2-4 GHz. Power 120VAC.

  8. Background Research • Associated Patents • 780 8385 - Interactive clothing System - Basically a clothing tracking device. Similar to what we are looking to use to transmit our emergency signal. • 731 9386 - Configurable system for alerting caregivers - used in hospitals to alert emergency personnel when a particular patient is in duress. • 7478438 - Protective clothing or lining - this patent pertains to the technology behind the personal protective equipment used by law enforcement that we are proposing to tailor our technology into. • 7789046 - Non-Lethal gamecock sparring match, equipment and methods. Oddly enough, this is a similar technology to what we are looking to produce.

  9. Background Research Cont. • Associated Websites • http://www.tekscan.com/flexiforce/specs-flexiforce.html • http://www.bestbuy.com/site/Telephones-Communication/Cordless-Phones/abcat0802001.c?id=abcat0802001 • http://www.tekscan.com/flexiforce/appbrief-CPR.html • http://www.secondchance.com/products/t2.asp

  10. Work Breakdown Structure Sensor: • Set sensor to register force necessary to be considered malicious. • Will be accomplished by testing different forces to determine the right range of force necessary for this scaled model • Time: approx. 1 week • Person responsible: Hall

  11. Work Breakdown Structure cont. Transmitter: • Transmitter has to be found for this model so that transmission will be able to be sent 20-25 ft • Determine if a specific message will be sent or if when activated will it just light up a specific LED • Time: approx. 3 weeks • Person responsible: Lutz

  12. Work Breakdown Structure cont. Receiver/Antenna: • Both will depend on the specifics of the transmitter and the distance of transmission • The receiver will also depend on whether or not a message will be displayed or just an LED will be used • Time: approx. 3 weeks • Person responsible: Homza

  13. Work Breakdown Structure cont. Electronics • Develop circuit to incorporate sensor and transmitter specifics • Most critical point is to design so that battery life will be able to be sustained for a specific amount of time • Time: approx. 5 weeks • Group will collaborate to determine the best circuit to be built

  14. RX/TX Components • The following chips are being researched for use in the Silent Partner project: • Analog Devices: MxFE Transceiver (AD9352) • Through research it was found that this would be the best transceiver. • Analog Devices: Sample and Hold Amplifier (AD585)

  15. Proposed Chipset for Pressure Sensor • Microchip: Low Power Op-Amp (MCP6001) • Analog Devices: A/D converter (XRD8775) • Dallas Semi.: Battery Monitor (DS2760)

  16. Gantt Chart

  17. Gantt Chart cont.

  18. Risk Matrix

  19. Risk Matrix cont.

  20. Test and Verification

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