Entrance Security SystemDec 07-07

Team Members:Nahiyan AliShrabantee ChatterjeeVaibhav KumarAlex WeigelTao Zeng

Advisor:Dr. Mani Mina

Client:Senior DesignDr. Gregory Smith

Problem DescriptionDesign and implement a prototype security

system that will allow access to authorized individuals, and will prevent multiple entry.

Entrance Security System

Authorized Access Multiple Entry

Presentation OutlinePlanning

•Requirements Specification•Project Plan

Design•Hardware•Software

Implementation

•Build•Test•Project Completeness

PlanningProject PlanSystem ConceptFunctional RequirementsNon-Functional RequirementsMarket SurveyDeliverablesProject Schedule

Project PlanRFID – Allow authorized

access only

Monitored Holding Area – Occupant flow control

Weight Sensor – Determine number of occupants

Alarm – Prevent security breach

Software – Determine the event of a security breach

Software

RFID

Holding AreaAlarm

Weight Sensor

System Concept

RFID 2

RFID 1

System Mockup System Block Diagram

PC

Interface Board

RFID 1

Door 2

Weight

Alarm

Door 1

RFID 2

Functional RequirementsAllow access to authorized personnel only

Prevent multiple entry during a single entry

Trigger an alarm in the event of a security

breach

Log the username/date when a person

accessed the lab

Log past security breaches and alarm

Non-Functional RequirementsPrevent theft of equipment

Account for user possessions

Mechanically prevent security breaches

Market SurveySecurity Guards

Turnstiles

DeliverablesUser/Administrator manuals

Circuit diagram

Logic and control software

Computer input/output interface board

RFID cards and compatible RFID scanner

Weight sensor

Project Schedule

DesignInput/OutputUser InterfaceHardware SpecificationSoftware Specification

Input/OutputInputRFID 1 (USB)RFID 2 (USB)Interface Board (RS-232)

Door 1 Sensor (Digital)Door 2 Sensor (Digital)Weight Scale (Analog)

OutputAlarm (Audio)Voice Commands (Audio)RFID Operational LED

Input

System

Output

User Interface

Normal State Alarm State

Software SpecificationVisual Studio.NET

Serial Port Interface

USB Interface

ActiveX DLL

Windows Media

Integration

Windows Speech

Access Database

User Profile Table

Voltage Lookup

Table

User Log

Ado.NET

Hardware Specification•USB Connection•Low FrequencyRFID•Analog/Digital Inputs•RS-232 •Visual Studio Compatible

Interface Board

•Mechanical Operation•Analog Output•10-lb Increment

Weight Scale

•Output 0V Open•Output 5V Closed

Door Sensor

ImplementationSystem SignalsSystem IntegrationTesting

System Signals

RFID 1

Door 1 Weight Scale

Door 2 RFID 2

Interface Board

Computer Software

Alarm

Voice Commands

Hallway Holding Area

Lab

Operation 1Swipe RFID to begin entry

RFID 1 RFID 2

RFID1 Door 1 Scale Door 2RFID2Computer Data: Swiped Able to open Waiting Unable to open Unable to swipe

Hallway Holding Area

Lab

Operation 2Enter holding area

RFID 1 RFID 2

RFID1 Door 1 Scale Door 2RFID2Computer Data: Swiped Open Waiting Unable to open Unable to swipe

Hallway Holding Area

Lab

Operation 3Identify number of occupants

RFID 1 RFID 2

RFID1 Door 1 Scale Door 2RFID2Computer Data: Unable to swipe Unable to open Allow only 1 occupant Unable to open Unable to swipe

Hallway Holding Area

Lab

Operation 4Exit

RFID 1 RFID 2

RFID1 Door 1 Scale Door 2RFID2Computer Data: Unable to swipe Unable to open Waiting Able to open Unable to swipe

Hallway Holding Area

Lab

Operation 5Restart

RFID 1 RFID 2

RFID1 Door 1 Scale Door 2RFID2Computer Data: Able to swipe Unable to open Waiting Unable to open Able to swipe

Weight Scale TestingVoltage StabilityContact ReliabilityMechanical Effects

Ground pin affecting weight read

Project Completeness

Status •Completed

Budget •Budget cost: $250•Actual cost: $203

Time •Estimated total hours: 545•Actual total hours: 416

Closing CommentsCurrent Status

Client is satisfiedTeam advisor is satisfiedSystem meets prototype requirementsProject is fully successful

Suggested Future DevelopmentSecure holding compartmentDigital weight sensorIncreased weight sensing areaEmergency power switchingFire alarm/building security integration

AcknowledgmentsDr. Gregory Smith (Client/Adviser)

Dr. Mani Mina (Faculty Adviser)

Dr. Robert J Weber (Faculty)

Dr. Degang Chen (Faculty)

Joe Mathias (Management Consultant)

Kyle Drees (Mechanical Engineering

Consultant)

Demo…

Questions