Darsi ii
Download
1 / 16

DARSI II - PowerPoint PPT Presentation


  • 303 Views
  • Uploaded on
  • Presentation posted in: Sports / Games

Data Acquisition Real-Time System Integration. DARSI II. Preston Schipper Matt Hulse Adrienne Baile. Data Acquisition. What is Data Acquisition? Network of Sensors Central Collection Processing of Information Output. Our Data Acquisition System: Application: CU FSAE race car

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha

Download Presentationdownload

DARSI II

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Darsi ii l.jpg

Data Acquisition

Real-Time System Integration

DARSI II

Preston Schipper

Matt Hulse

Adrienne Baile


Data acquisition l.jpg

Data Acquisition

  • What is Data Acquisition?

  • Network of Sensors

  • Central Collection

  • Processing of Information

  • Output

  • Our Data Acquisition System:

  • Application: CU FSAE race car

  • Design: Challenges, Solutions

  • Teamwork & Group Schedule

  • Impacts and Feasibility of DARSI after the Capstone expo.

  • Examples of Data Acquisition:

  • Anti-Lock Brakes

  • Airplane Black Boxes

  • Industrial Manufacturing

  • Lab Experiements


What is formula sae l.jpg

What is Formula SAE?

  • Collegiate Design Series

  • Group of diverse engineering disciplines

  • World Wide Competition

  • Why FSAE needs DARSI

  • Objectives of DARSI

  • Gather

  • Process

  • Store

  • Present

  • Control


Darsi system breakdown fall 2004 l.jpg

DARSI System Breakdown: Fall 2004


Darsi versus darsi ii l.jpg

DARSI versus DARSI II

Fall 2004 Capstone Project: DARSI

Spring 2006 Capstone Project: DARSI II

  • Fully functioning data acquisition microprocessor subsystems

  • Linear position & Hall-effect wheel sensors

  • SmartMedia memory logging

  • Automated CAN Bus network

  • MS Windows data viewing software

  • Hardware miniaturization; surface mount chips

  • CAN Bus expansion; ‘bus master’ module

  • Real-time information for driver; LCD module

  • Multi-sensor compatible modules

  • Enhanced PC software; analysis tools

  • Traction control; real-time analysis/control module


Darsi ii bus master module l.jpg

DARSI II: Bus Master Module

Current Bus Master:

  • Bus Master ‘Module’:

  • Code package

  • Installed on every DARSI microprocessor

  • Hardware enabled

  • PIC Microcontroller – PIC18F458

  • Controller Area Network (CAN)

  • C Programmable

  • Polling Data / Unique Bus Traffic

  • Hardware settings control which module acts as bus master.

CAN Bus Data Frame


Darsi ii lcd module l.jpg

DARSI II: LCD Module

LCD Module:

CrystalFontz CFAG12864B-TMI-V


Darsi ii multi sensor modules l.jpg

DARSI II: Multi-Sensor Modules

OLD

NEW

  • Multi-sensor Modules:

  • PIC Microcontroller – PIC18F258

  • Fast – 40 MHz

  • Controller Area Network (CAN)

  • 10-bit A/D converter

  • C Programmable

  • Minimize space/weight/repetitive hardware


Darsi ii traction control module l.jpg

DARSI II: Traction Control Module

  • Traction Control System

  • Monitor front and rear wheel speeds through data on the CAN bus to detect wheel spin

  • Communicate with the ECU by D/A to through CAN to limit engine power

  • Changeable control system parameters for varying surface conditions (rain, gravel, dry, etc)


Design constraints implementation challenges l.jpg

Design Constraints & Implementation Challenges

  • High Temperatures

  • Signal Noise

  • Signal Attenuation

  • Durability / Vibrations

  • Weather

  • Power Limitations

  • Packaging

  • Storage Versus Real-time

  • Time / Board Prototyping

  • Communication / Compatibility

  • Data Processing Speed

  • Signal Acquisition


Details of project l.jpg

Details of Project

Processors

LCD Systems

  • Microchip – PIC18F258/458

  • Fast – 40 MHz

  • Cost <$10

  • Controller Area Network (CAN)

  • C Programmable

  • CrystalFontz CFAG12864B-TMI-V

  • 75.0 x 52.7 x 8.9mm

  • 60.0 x 32.6mm Viewing Area

  • Built-in Samsung controller KS0107/KS0108

  • PCB Redesign

  • Surface mount hardware

Traction Control

  • 034 Motorsports Stage IC Engine Control System


Labor and responsibilities l.jpg

Labor and Responsibilities

  • PCB Design (Adrienne)

    • Schematics

    • PCB Development and Population

  • Processor Coding (Matt & Preston)

    • Multi-sensor capabilities

    • Bus Master module

    • LCD Module

    • Traction Control System

  • New Module Prototyping (Matt & Adrienne)

    • Breadboarding

    • Testing

  • Traction Control ECU Interfacing (Preston)


Schedule l.jpg

Schedule


What s after expo l.jpg

What's After Expo?

  • Economics and Marketability

  • Broad consumer market

  • Fully customizable

  • State of the art

  • Manufacturability and Sustainability

  • Pre-manufactured and replaceable sensors

  • Modularity allows for adaptation

  • Simple expansion capabilities


Impacts l.jpg

Impacts

  • Environment

  • Emissions

  • Fuel Economy

  • Safety

  • Acquired information allows for determining safe operating limits

  • Driver feedback to warn of dangerous conditions

  • Traction control will decrease out of control vehicles

  • Society

  • Racers

  • Environmental

  • Applications in general consumer market


Final objective l.jpg

Final Objective

To design and construct improvements and expansions for the DARSI modular telemetric data acquisition system for automotive applications with a focus on the CU FSAE race car.

Questions?


  • Login