FSAE Instrumentation 02/10/09 Ryan Gunn John Lee Dan Van Winkle Ali Yilmaz
System Diagram
cRIO
NI 9205 Pin Assignments
NI 9401 Pin Assignments
Front Box to cRIO
Front Box Layout
Pspice Schematics
Pspice AC Sweep
Pspice AC Sweep (cont)
Engine Tachometer
Power Signal
Accelerometer Power Source
ADXL330
Sensor Harness to Front Box
Rear Box to cRIO
Sensor Harness to Rear Box
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 implementation May lead to significant changes to requirements and/or scheduling
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
Other Solutions USB drive Merge conversion program into read file program
Future Challenges Still need to implement some requirements: Interface between cRIO and software Data calibration Multiple signal analysis Anticipate heavy debugging