1 James N. Bellinger 4-Feb-2009 ME+1 status and Endcap Z James N. Bellinger University of Wisconsin...
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![Page 1: 1 James N. Bellinger 4-Feb-2009 ME+1 status and Endcap Z James N. Bellinger University of Wisconsin at Madison 4-Feb-2009.](https://reader036.fdocuments.in/reader036/viewer/2022082610/56649d0e5503460f949e4226/html5/thumbnails/1.jpg)
1James N. Bellinger 4-Feb-2009
ME+1 status and Endcap ZME+1 status and Endcap Z
James N. Bellinger
University of Wisconsin at Madison
4-Feb-2009
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2James N. Bellinger 4-Feb-2009
Endcap Z MeasurementsEndcap Z Measurements
Do we believe IR Z-sensor results?
1. MAB sensor position
2. Offsets to IR target
3. IR sensor data
4. Compare with expected
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3James N. Bellinger 4-Feb-2009
MAB Sensor PositionMAB Sensor Position
Relying on Celso’s fits for the two sensor centers
Extrapolate slightly to IR sensor radius—effect is small
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4James N. Bellinger 4-Feb-2009
Offsets to TargetOffsets to Target
Calibrated numbers for distance from PG4 to base of sensor: taken from Link SDF file
Thickness of skin: varies from 3.04 to 3.14mm: I use 3.14
Thickness of target: ignored
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5James N. Bellinger 4-Feb-2009
IR sensor PositionIR sensor Position
Field Off to On changes look similar, if include dips
.6
.3
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6James N. Bellinger 4-Feb-2009
Comparing w/ Ideal Transfer PlateComparing w/ Ideal Transfer Plate
Name Nom Ideal 0T 3.8T Ideal-Nom 0T-Nom Y 3.8T-Nom
distancemeter_p11 6847.70 6847.701 6847.4537 6848.3519 0.001 -0.2463 0.6519
distancemeter_p12 6847.70 6847.7006 6846.3914 6848.7085 0.0006 -1.3086 1.0085
distancemeter_p13 6847.70 6847.6995 6845.4289 6848.169 -0.0005 -2.2711 0.469
distancemeter_p14 6847.70 6847.6997 6851.6001 6852.4654 -0.0003 3.9001 4.7654
distancemeter_p15 6847.70 6847.6997 6851.5236 6849.6702 -0.0003 3.8236 1.9702
distancemeter_p16 6847.70 6847.7012 6862.781 6863.5609 0.0012 15.081 15.8609
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7James N. Bellinger 4-Feb-2009
Using PG-corrected Transfer PlateUsing PG-corrected Transfer Plate
Name ZPG Hand 0T Fit 0THand
3.8TFit 3.8T
Fit0-ZPG
Fit3.8-ZPG
Fit0-Hand0
Fit3.8-Hand3.8
dm_p11 6848.48 6847.42 6847.4537 6849 6848.3519 -1.0263 -0.1281 0.0332 -0.6506
dm_p12 6845.73 6846.48 6846.3914 6849.58 6848.7085 0.6614 2.9785 -0.0893 -0.8742
dm_p13 6847.53 6845.37 6845.4289 6848.26 6848.169 -2.1011 0.639 0.0626 -0.0893
dm_p14 6850.03 6851.54 6851.6001 6852.68 6852.4654 1.5701 2.4354 0.0609 -0.2138
dm_p15 6843.18 6851.11 6851.5236 6849.75 6849.6702 8.3436 6.4902 0.4094 -0.084
dm_p16 6847.36 6864.27 6862.781 6864.04 6863.5609 15.421 16.2009 -1.4844 -0.4755
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8James N. Bellinger 4-Feb-2009
Using PostCraft Tilt/ShiftUsing PostCraft Tilt/Shift
Name ZPG Hand 0T Fit 0THand
3.8T
Fit 3.8T Fit0-PG Fit3.8-PG Fit0-Hand0Fit3.8-
Hand3.8
dm_p11 6847.40 6847.42 6847.4537 6849 6848.3519 0.0537 0.9519 0.0332 -0.6506
dm_p12 6838.98 6846.48 6846.3914 6849.58 6848.7085 7.4114 9.7285 -0.0893 -0.8742
dm_p13 6841.76 6845.37 6845.4289 6848.26 6848.169 3.6689 6.409 0.0626 -0.0893
dm_p14 6850.80 6851.54 6851.6001 6852.68 6852.4654 0.8001 1.6654 0.0609 -0.2138
dm_p15 6849.88 6851.11 6851.5236 6849.75 6849.6702 1.6436 -0.2098 0.4094 -0.084
dm_p16 6853.39 6864.27 6862.781 6864.04 6863.5609 9.391 10.1709 -1.4844 -0.4755
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9James N. Bellinger 4-Feb-2009
Conclusions wrt Endcap ZConclusions wrt Endcap Z
None at the moment.
Not sure if Distancemeter at Pt6 is reading correctly
Not sure why the others shift so much when trying to take disk tilt into account
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10James N. Bellinger 4-Feb-2009
Z positions w/o CocoaZ positions w/o Cocoa
Illustrate w/o Cocoa
Know MAB 2D sensor position
Know distance to distancemeter
Know ME1/2 2D sensor position
Using chamber geometry, predict ME1/3 positions
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11James N. Bellinger 4-Feb-2009
ME+1 Z positions: HSLM1 Field onME+1 Z positions: HSLM1 Field on
Position of Reference DCOPS Center• 6665.74 MAB
• +34.2675 To target, calibrated+skin thickness
• +148.983 Distancemeter distance
• -24.424 DM dowel to DCOPS dowel, CAD
• -41.27 DCOPS dowel to DCOPS center, CAD
• 6783.291 Expected CMS z
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12James N. Bellinger 4-Feb-2009
Z Position of ME12 DCOPS centerZ Position of ME12 DCOPS center
Contributions• 6631.44 Celso ASPD Z of chamber at PG4
• 3.92 effect of chamber tilt
• 135.8 offset PG4 to surface of chamber
• -41.35 offset DCOPS dowel to surface
• 41.276 offset DCOPS center to dowel
• 6771.09 Expected CMS Z
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13James N. Bellinger 4-Feb-2009
U/D data wrt CenterU/D data wrt Center
-0.879 Reference
1.398 1_3_03 outer
-0.780 1_3_03 inner
0.790 1_2_02 reference (upside down)
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14James N. Bellinger 4-Feb-2009
Predicting Z at 1_3_03Predicting Z at 1_3_03
Slope of laser line = .004938
Intercept = 6747.847
3_03 outer 6781.552
3_03 inner 6773.043
Offset to surface85.44
Surface Z at 3_03 outer 6868.39
Surface Z at 3_03 inner 6857.70
10.7mm change??
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15James N. Bellinger 4-Feb-2009
Comparing w/ PGComparing w/ PG
-697.44 coded target at center of 3_03
7565.6 PostCraft Z center of YE+1
6868.16 PG est for average (center)
6868.39 My est for outer
6857.70 My est for inner
Outer is close to reference
Suggests that outer Z is good, inner Z needs work
Est changes to 6866.7 for PG if I include tilts