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Data AcquisitionReal-Time System Integration
DARSI
Matt HulsePreston Schipper
Marc KesslerChris Lites
Andy Lin
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Data AcquisitionWhat 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
•Central Processing Units
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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
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Implementation Challenges
•High Temperatures
•Signal Noise
•Signal attenuation
•Durability
•Weather
•Power Limitations
•Packaging
Design Constraints
•Storage
•Time
•Communication
•Data Processing
•Signal Acquisition
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Details of Project
Processor Speed Sensor
Linear Potentiometer
Thermistor
•Microchip – PIC18F258
•Fast – 40 MHz
•Cost <$10
•Controller Area Network (CAN)
•C Programmable
•Accurate/Precise
•LVDT
•Reliable
•Uses
•Cost
•Hall Effect
•Reliable
•Implementation
•Cost
•Accuracy vs. Simplicity
•Reliable
•Implementation
•Cost
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Labor and Responsibilities
Responsibilities•Sensors
•Main Processor
•Pre Processors
•Communication System
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Schedule
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What's after the 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
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Impacts
Environment
•Emissions
•Fuel Economy
Safety
•Acquired information allows for determining safe operating limits
•Driver feedback to warn of dangerous conditions
•Gathered information can be used for safety control systems
Society
•Racers
•Environmental
•Applications in general consumer market
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Final Objective
To design and construct a modular telemetric data acquisition system for automotive applications with a focus on the CU FSAE race car.
Questions?