Calibration for the Sensitivity Matrix of the Collins Strain Gauge ...

ContentsNOMENCLATURE....................................................................................................................i1. INTRODUCTION ............................................................................................................... 12. CALIBRATION DETAILS................................................................................................. 22.1 Collins Internal Strain-Gauge Balance................................................................. 22.2 Axis System................................................................................................................ 22.3 Previous Calibration of Collins Strain Gauge Balance ..................................... 42.4 Strain-Gauge Amplifiers......................................................................................... 52.5 Manual Calibration Rig........................................................................................... 63. RESULTS ........................................................................................................................93.1 Loading Program....................................................................................................... 93.2 Calibration Data Reduction .................................................................................. 103.3 Calibration Results................................................................................................. 113.4 Statistical Analysis ................................................................................................. 124. CONCLUSIONS ................................................................................................................ 12REFERENCES ...................................................................................................................... 13APPENDIX A: ZERO CORRECTED DATA RESULTS ............................................... 14List of FiguresFigure 1: Collins Internal Strain-Gauge Balance ....................................................................... 2Figure 2: Axes System.................................................................................................................. 3Figure 3: Vishay Strain-Gauge Amplifiers .................................................................................. 5Figure 4: Calibration Box Assembly............................................................................................ 6Figure 5: Manual Rig Assembly Setup for Axial Loading ........................................................... 7Figure 6: Manual Rig Assembly Setup for Vertical Loading....................................................... 8