Design Constraint Design Constraint Analysis Analysis Team KANG - - PowerPoint PPT Presentation

▶
design constraint design constraint analysis analysis
SMART_READER_LITE
LIVE PREVIEW

Design Constraint Design Constraint Analysis Analysis Team KANG - - PowerPoint PPT Presentation

Sep 19, 2023 331 likes •440 views

Design Constraint Design Constraint Analysis Analysis Team KANG Team KANG Group 1 Group 1 Sentry Gun Sentry Gun Design and build a turret and arm ature structure w ith the ability to detect, track and fire upon targets using a cam era, m

slide-1
SLIDE 1

Design Constraint Design Constraint Analysis Analysis

Team KANG Team KANG Group 1 Group 1

slide-2
SLIDE 2

Sentry Gun Sentry Gun

Design and build a turret and arm ature structure w ith the ability to detect, track and fire upon targets using a cam era, m otion sensors and a m ounted w eapon.

slide-3
SLIDE 3

Constraints Overview Constraints Overview

  • Camera Requirements

Camera Requirements

  • DSP Requirements

DSP Requirements

  • Microcontroller Requirements

Microcontroller Requirements

slide-4
SLIDE 4

Camera Requirements Camera Requirements

  • Digital Output Video Camera

Digital Output Video Camera

  • QVGA (320 X 240 Resolution)

QVGA (320 X 240 Resolution)

  • Frame Rate: ~ 15 frames/ second

Frame Rate: ~ 15 frames/ second

slide-5
SLIDE 5

Part Choices Part Choices

  • Camera:

Camera:

  • C3088 camera module with OV6620

C3088 camera module with OV6620 sensor chip sensor chip

  • 356x292 at 50Hz frame rate

356x292 at 50Hz frame rate

  • Analog and digital parallel output (

Analog and digital parallel output ( YCrCb YCrCb 4: 2: 2) 4: 2: 2)

  • I2C interface for settings

I2C interface for settings

  • Well

Well-

  • documented

documented

slide-6
SLIDE 6

DSP Requirements DSP Requirements

External memory expansion

capabilities (for image storage)

Processing speed min. at 15MHz to

run video algorithm

SPI channel (microcontroller

communication)

GPIO pins to interface with camera

(12-15)

slide-7
SLIDE 7

Part Choices Part Choices

  • DSP:

DSP:

  • Freescale

Freescale DSPB56374AE DSPB56374AE

  • 150 MIPS

150 MIPS

  • 80

80-

  • pin TQFP

pin TQFP

  • I2C, SPI

I2C, SPI

  • “

“ Up to 47 Up to 47” ” GPIO pins (from data sheet) GPIO pins (from data sheet)

slide-8
SLIDE 8

μ μC Requirements C Requirements

  • SCI ports for user interface and IR

SCI ports for user interface and IR sensors (min. 2) sensors (min. 2)

  • SPI port to interface with DSP

SPI port to interface with DSP

  • GPIO pins to interface with motion

GPIO pins to interface with motion sensors, motors and fire control sensors, motors and fire control

  • PWM capable of 16

PWM capable of 16-

  • bit output on at

bit output on at least two ports least two ports

slide-9
SLIDE 9

Part Choices Part Choices

  • μ

μC: C:

  • Freescale

Freescale MC9S12A512 MC9S12A512

  • 2 SCI, 3 SPI ports

2 SCI, 3 SPI ports

  • 29 GPIO

29 GPIO

  • 16

16-

  • bit PWM capability

bit PWM capability

  • 112

112-

  • LQFP

LQFP