Cost Effective Panoramic Infrared Camera -

CDR

Group #2

Laith Charles - Electrical Engineering

Alejandro Drausal - Computer Engineering

Nicholas Gaor - Electrical Engineering

Tyler Johnson - Computer Engineering

What is a cost effective panoramic infrared camera?

• Current infrared camera

systems cost on average over

$5000, making them a costly

solution to any

security/surveillance needs

• By using a single camera on a

rotating axis, we can stitch

together multiple images to

create a single panoramic

image which can cover large

areas

Motivation

• Many ideas to use for our senior design

project, but all of them were costly to

produce.

• St. Johns Optical Systems offered to fund a

project for our senior design class, given that

the project focused on an optical application

and was something they could use in the

future to promote their company.

• Upon seeking copyright permission from

Applied Motion Products for a product of

theirs, they agreed to sponsor us parts for

our project as well.

Existing System

Specifications and Requirements

Overview

System Requirements

• Fast Acquisitions of Panorama

• Easy to view Panorama

• Compact Design

• Inexpensive Solution

• Robust Design

• Must be weather resistant

• System must capture clear imagery

System Specifications

• Must update in real time with complete 360 panorama at least every 2 seconds.

• Minimum required speed for real time image transmission 2 MB/s.

• Minimum inductive quality factor of 300 for moderately efficient wireless charging.

• FPGA must be able to store and process 1.32 MB of data at a time.

• Final PCB needs to be able to store 8 MB of data.

• Motor must have a minimum of 2 lbs of torque.

Rotational Platform

• Tamarisk

• Zynq

• Wireless Communication

• Inductive Coil Interface

• Platform

• Battery

Tamarisk®320 Camera

FOCAL PLANE ARRAY

Detector Type Uncooled VOx

Microbolometer

Array Size 320 x 240

Pixel Pitch 17 µm

Frame Rate 60Hz

VIDEO FEATURES / OUTPUTS

Digital Video 8/14-Bit LVCMOS

Image Control Wht Hot, Blk Hot, Invert,

Revert

Non-Uniformity

Correction

1-point with shutter or

through lens

INTERFACING

Primary

Electrical

Connector

60 pin

Input Power 3.5 V

Power

Dissipation

0.80 W (≤600 mA)

External Sync

Input

Yes

60-pin Connector

Processor Board

Lens

Retaining Pin

Lens Mount

Camera Housing

Zynq Chip

• MicroZed dev board

• Uses same Zynq 7000 chip except for

package size (final will be less pins)

• Includes Ethernet, UART, USB,

microSD, JTAG, and more

• Comes w/ 1 GB of RAM

• Comes w/ embedded Linux distro:

Xillinux

• Final chip setup will use same Linux distro

• Could use less RAM, we only need

maybe 512 MB

MicroZed

4”

2.5”

Wireless Communication

• TI CC3200 microcontroller

• Data transmitted over Wi-Fi from a written

application

• Responsible for sending commands and

data to the Tamarisk

• Small, lightweight

• Coordinates with the base unit components

Physical Housing

(inches)

Specifications and Requirements

Software

Software Requirements

• Receive data from I/O

• Reconstruct images from data

• Transfer image data to embedded server

• Provide interface for user to view data

Software Overview

Viewing Interface Components

• Viewable by anybody who joins local Wi-Fi network

• Security optional to add later

• This gives display the widest availability, viewable from any modern browser

• Given large resolution, panoramic needs to be split into 4 views: North, South, East,

West

• Will have the ability to save any frame desired

Viewing Interface

40*320 = 12,800 Horizontal Pixels

Viewing Interface Instructions

• Give end-user access to list of ~25 commands

• Tamarisk offers many more which are not needed

by end-user in our design

• As seen on viewing interface model, contrast and level

controlled by slider

• When command that takes value is selected, dialog box

will appear asking for value w/ info on the format it

expects

Base Unit

• Stepper Motor

• Motor Driver

• Motor Controller

Stepper Motor

• OMHT17-275 Stepper Motor

• Provides the precision we need in

order to take panoramic pictures

• Servo motors proved too complicated

for such a rudimentary task

• It’s small size and strength allow for

easy implementation and flexibility

with the components on the rotational

platform

Stepper Motor Specifications

Specifications

Motor

Length(mm)

48

Holding Torque

(oz-in)

62.3

Leads 8

Step Angle(deg) 1.8

Stepper Motor Driver

• Applied Motion Products STR 2 Motor Driver

• Offers customizable pulses

• Programmable for clockwise and counter

clockwise movements

• Small size allows for flexible implementation

in the housing unit.

Stepper Driver Specifications

Specifications

Weight (oz) 4.7

Power

Requirement

(VDC)

12-48

Output Current

(A/phase)

0.3-2.2

Motor Controller

• Tiva C TM4C123GXL + CC3100

• Easily programmable

• Open source easily repackaged

into PCB.

• Uses Wi-Fi to communicate with

the rotational platform when

pulsing to the motor has finished

and the next picture needs to be

taken.

• Low power

• Inexpensive to integrate.

Power Distribution

Power Supply Unit

• OMPS150A24 Power Supply

• Specially designed for powering our base

unit components

• Offers enough power for optimal

performance from the STR-2 Driver and

OMHT17-275 Stepper Motor

Power Supply Unit Specifications

Specifications

Nominal Output

Voltage

24V

Maximum

Output Current

6.3A

Maximum

Power Output

151.2W

Efficiency 85%

Inductively Coupled Coils

• The rotational platform is powered by a battery.

• To keep the battery charged the system will wirelessly charge the

battery using 2 coupled inductors.

• The base inductor will get power from the power supply which will

be transmitted via DC though a solid copper solenoid.

• The magnetic field induced in the bottom solenoid will affect the

coil on the rotational platform and induce a current which can

charge the battery on the top system.

• High Q factor.

Administrative

Team Roles

• Hardware

• PCB design

• Power Regulation

• Motor controller

• Component interfacing

• Software

• GUI

• Web server

• Camera data acquisition

• Data processing

Hardware Software Packaging

Alejandro X X

Laith X X

Nick X X

Tyler X X

Hardware Roles

PCB design Power Regulation Motor Controller Component Interfacing

Laith X X

Nick X X

Software Roles

GUI Web Server Camera Data Acquisition Data Processing

Alejandro X X

Tyler X X

Estimated Full BudgetItem# Description Part Qty. Price Total

1 Power Supply OMPS300A48 2 $182.00 $364.00

2 Driver STR-2 2 $99.00 $99.00

3 Motor OMHT17-075 2 $74.00 $148.00

4 Development Board AES-Z7MB-7Z010-G 1 $199.00 $199.00

5 Break Out AES-MBCC-BRK-G 1 $59.99 $59.99

6 Zynq XC7Z010-1CLG225C 2 $54.86 $109.71

7 RAM AS4C64M16D3L-12BCN 4 $4.58 $18.32

8 PCB 4PCB 2 $300.00 $600.00

9 Parts Misc Supply 2 $80.00 $160.00

10 Camera Tamarisk 320 1 $0.00 $0.00

$1758.03

Estimated Budget (one complete system)

Item# Description Part Total

1 Power Supply OMPS300A48 $182.00

2 Driver STR-2 $99.00

3 Motor OMHT17-075 $74.00

6 Zynq XC7Z010-1CLG225C $54.86

7 RAM AS4C64M16D3L-12BCN $4.58

8 PCB 4PCB $300.00

9 Parts Misc Supply $80.00

10 Camera Tamarisk 320 $3,000.00

$3,794.44

Projected Milestones

Current Progress

• All parts except PCB and Tamarisk

Camera have been procured

• Received notice the camera will be

here Monday

Questions?