Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper...

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3D LASER PROFILOMETER Srisharan

Transcript of Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper...

Page 1: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

3DLASERPROFILOMETER

Srisharan

Page 2: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Theproblem- Rocksurfaceroughnessimaging

Source:UNAVCOandMuralha etal.(2014)

Page 3: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Projectobjective

CreateaninexpensiveArduinobasedlaserscannerprototypeforrocksurfacescanningin

thePennStateRockMechanicslab

Page 4: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Workingprinciple

Page 5: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Workingprinciple

Page 6: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Workingprinciple

Page 7: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Workingprinciple

Page 8: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Workingprinciple

Page 9: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Workingprinciple

Page 10: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Listofparts• Sparkfun RedBoard andassociatedparts(eg.jumpercables,

breadboardetc.)• 10kpotentiometersx2• Linelasermodule• Logitechwebcam• NEMA17steppermotor(200steps/revolutionor1.8o resolution)• TB6612Stepperdriver• 100uF capacitor• Opensourcecodes– Arduino1.6.11andProcessing3.2.1

Page 11: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Mechanicalbuild

Page 12: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Circuitry

Page 13: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Proofofconceptresults

Page 14: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Challenges• Environmentalredsinteractingwithpoorwebcamcontrasts

• Microstepping andpulsewidthmodulation• Lenscurvaturedistortion

Page 15: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Futurework• Betterresolution• Mirostepping orusinggearedDCmotorfornon-jerkymovements

• ‘Blackbox’forthesetup• UsingPython/Matlab forpointcloud insteadofProcessing

Page 16: Srisharan - Read the Docs...List of parts • SparkfunRedBoard and associated parts (eg. jumper cables, breadboard etc.) • 10k potentiometers x 2 • Line laser module • Logitech

Takeaways• Learntsomefundamentalsofelectricalcircuitryandprofilometry

• Learntallaboutsteppermotordrivers• Preemptivevsreactivedesignconsiderations


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O // z · CONTENTS Page CHAPTER 1: Using a Breadboard 1 Components 7 Resistors 7 Capacitors 9 Semiconductors 12 Integrated Circuits 13 Diodes 14 Potentiometers 16 Photocell 17 Ferrite

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IS/QC 410101 (1992): Potentiometers for Use in Electronic ...ted and rotary preset potentiometers IS QC 410100 : 1992 Potentiometers for use in electronic equipment. Sectional specification

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