short to medium range positional device with security (car locator)

Short to Medium Range Positional Device With Security (Car Locator)Short to Medium Range Positional Device With Security (Car Locator)

Hong J. Kim

Thomas Na

Ja Heon Ku

Hong J. Kim

Thomas Na

Ja Heon Ku

Problem StatementProblem Statement

The Primary purpose of the Short to Medium Range Positional Device is to locate an automobile from a short distance with a visual display.

The team will be implementing Radio Frequency (RF), RF sensors, microcontrollers, and Remote Keyless Entry System (RKE) to locate the automobile.

The Primary purpose of the Short to Medium Range Positional Device is to locate an automobile from a short distance with a visual display.

The team will be implementing Radio Frequency (RF), RF sensors, microcontrollers, and Remote Keyless Entry System (RKE) to locate the automobile.

BackgroundBackground

Ever come out of a store and were not able to find the car? The Short to Medium Range Positional Device (Car Locator) will save time and the embarrassment of losing the car.

The Car Locator will assist the owner in finding the car quickly and with ease.

Ever come out of a store and were not able to find the car? The Short to Medium Range Positional Device (Car Locator) will save time and the embarrassment of losing the car.

The Car Locator will assist the owner in finding the car quickly and with ease.

BackgroundBackground

Control Systems Computer Programming PCB Construction and Layout Circuit Analysis and Development Digital Communications.

Control Systems Computer Programming PCB Construction and Layout Circuit Analysis and Development Digital Communications.

ObjectiveObjective The objective of the car

locator is to design and produce a reliable car locating device.

The locator will incorporate security for loss or theft of the device.

The objective of the car locator is to design and produce a reliable car locating device.

The locator will incorporate security for loss or theft of the device.

ObjectivesObjectives

Wireless Communications Security Power Consumptions User Interface

Wireless Communications Security Power Consumptions User Interface

Phase 1Phase 1

Design Concept

Pugh Matrix

Specifications

Components

Order Parts

Design Concept

Pugh Matrix

Specifications

Components

Order Parts

Pugh MatrixPugh MatrixDesign Constraints Weight Using ISM

bandUsing WiFi

Using GPS

The system will use small size battery (Disk battery)

8 8 5 3

The system must be programmable 7 7 7 7

Device will be easy to use 9 8 7 7

The device must be portable 11 9 9 9

Simple function programming 7 6 4 4

Must work in any weather conditions. 10 10 10 10

Antenna Range must be within 500 ft. to 1 mile. 12 10 6 10

Must have low power consumption 12 10 5 7

The system will incorporate the Remote Keyless Entry System (RKE) with code rolling feature.

12 10 1 1

Easy to read. 12 9 9 8

Total 100 814 631 675

SpecificationsSpecifications

RF 2.4 GHZ (ISM band)

RKE Features Security Features Power Consumption User Interface (ease)

RF 2.4 GHZ (ISM band)

RKE Features Security Features Power Consumption User Interface (ease)

Ordering ComponentsOrdering Components

Evaluation Boards RF Wireless

Components Security Components Remote Keyless Entry

System Circuit Components Programs

Evaluation Boards RF Wireless

Components Security Components Remote Keyless Entry

System Circuit Components Programs

Phase 2Phase 2

RF Concepts Car Unit Remote Unit

RF Concepts Car Unit Remote Unit

RF ConceptsRF Concepts

Directional Sensing

Omni Directional 2.4 GHZ ISM Band

Directional Sensing

Omni Directional 2.4 GHZ ISM Band

Car UnitCar Unit

Omni Directional Transceiver

Omni Directional Transceiver

Remote UnitRemote Unit

Directional Sensing Cardioid

Directional Sensing Cardioid

Phase 3Phase 3

Security Fingerprint Scanner Rolling Code

Techology

Security Fingerprint Scanner Rolling Code

Techology

Phase 4Phase 4

Interface Remote Unit

LCD/LED Display RKE Functionality

Car Unit Reset/Reconfigure

Interface Remote Unit

LCD/LED Display RKE Functionality

Car Unit Reset/Reconfigure

Phase 5Phase 5

Power Consumption Remote Unit

Disc, AA, AAA Batteries

Car Unit Car Battery

Power Consumption Remote Unit

Disc, AA, AAA Batteries

Car Unit Car Battery

Functional Block DiagramFunctional Block Diagram

Filter and

Amp

Analog to

Digital Convert

er

Digital to

Analog Convert

er

Interface and Displa

y

Microproces

sor

Transceiver in Car

Filter and

Amp

Antenna

Power Manage

ment

Antenna

ADC and Filter and

Amp / DAC and Filter and

Amp

Microproces

sor

Transceiver in

the Remote

D D

AA

D

A A

W

D

A

W

D - DigitalA - AnalogW - Wireless

Planned SchedulePlanned Schedule

Estimated Cost*Estimated Cost*

Equipment Quantity Cost Total

Microcontroller

development board

2 $150 - $300 each $300 - $600

RF antenna

development boards

2 Š 3 $100 each $200 - $300

Components (resisters,

caps., transistors, etc.)

$200 $200

RKE components 1 $100 $100

Total estimate $800 - $1200

*Total cost to be determined

ConclusionConclusion

Achieving Specifications

Scheduling Marketing

Equals Success!!!!

Achieving Specifications

Scheduling Marketing

Equals Success!!!!