FSAE Instrumentation 02/10/09
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Transcript of FSAE Instrumentation 02/10/09
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FSAE Instrumentation 02/10/09
Ryan GunnJohn LeeDan Van WinkleAli Yilmaz
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System Diagram
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cRIO
9012 9201 9401
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NI 9205 Pin Assignments
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NI 9401 Pin Assignments
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Front Box to cRIO
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Front Box Layout
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Pspice Schematics
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Pspice AC Sweep
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Pspice AC Sweep (cont)
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Engine Tachometer
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Power Signal
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Accelerometer Power Source
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ADXL330
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Sensor Harness to Front Box
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Rear Box to cRIO
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Sensor Harness to Rear Box
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Software Implementation
We have decided to restart implementation of the software
We are using last year’s software as a reference
We are attempting a complete overhaul of the software implementationMay lead to significant changes to
requirements and/or scheduling
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Tentative Improvements
In the old implementation, saving and reading data was convoluted:Data binary log files run .vi to convert
binary log files to .lvm file run .vi to open .lvm file
It appears that we can skip intermediate step:Data .lvm file run .vi to open .lvm file
Processor and memory limitations
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Other Solutions
USB driveMerge conversion program into read file
program
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Future Challenges
Still need to implement some requirements: Interface between cRIO and softwareData calibrationMultiple signal analysis
Anticipate heavy debugging