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Dipole Stability Comparison: Movement Analysis between WP08 and WP09 Measurements

Verify dipole stability over time by analyzing D points triangle movement. Explore how movement depends on time intervals between measurements at WP08 and WP09. Data analysis includes reference measurements and equations for movement and rotation. Correlation coefficients and average movements over 50 days are calculated for both sides. Connection sides and periods are plotted separately to provide a comprehensive analysis.

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Dipole Stability Comparison: Movement Analysis between WP08 and WP09 Measurements

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  1. Dipole StabilityComparison WP08 / WP09 Natalia Emelianenko

  2. Objective Verify the dipole stability over time. How does the movement of D points triangle between the measurements at WP08 and WP09 depend on the time interval between the two measurements ?

  3. Data for the Analysis Table CRYOGEO_D_POINTS – steps from WP09. We take the last measurement at WP09: select * from CRYOGEO_D_POINTS A where not exists (select 1 from CRYOGEO_D_POINTS where magnet_nu = A.magnet_nu and step > A.step)

  4. Reference Measurement at WP08 In the table CRYOGEO_D_POINT for each measurement the reference measurement at WP08 is given: MEAS_ID, REFERENCE_MEAS There are 2 records for each measurement: MEAS = 'end carto‘–result from WP09 MEAS = 'fidu‘– result from WP08

  5. D Points Triangle: Move and Rotation Move by X and Z can be found from the equations: x = a + x` cos φ - y` sin φ y = b + x` sin φ + y` cos φ Rotation: φ = arctg (z10’ - z9’) / (x10’– x9’)– arctg (z10 - z9) / (x10– x9) z D11 D10` b φ a x D9 D10

  6. Move by X: All Firms Both Sides

  7. X Move Distribution: All Values

  8. Move by X: All Firms

  9. Movement by X, All Firms, All Steps

  10. Move by Z: All Firms Both Sides

  11. Move by Z: All Firms

  12. Rotation: All Firms Both Sides

  13. Rotation: All Firms

  14. Correlation Between Sides Movement by X Rotation Movement by Z Correlation coefficients: X 0.36 Z 0.18 Angle 0.42

  15. Average Movement by X over 50 Days Period: Both Sides

  16. Average Movement by Z over 50 Days Period: Both Sides

  17. Average Rotation over 50 Days Period: Both Sides

  18. X, Other Periods, Both Sides

  19. Sides Plotted Separately Average dX over 50 days

  20. X Move, Connection Side, Periods

  21. Middle Point Movement by X and Z D11 D10 D9

  22. Summary on All Firms, All Steps, Both Sides X Move Z Move Rotation connection side lyre side

  23. X Move: Steps Last step – WP09-WELD connection side lyre side Last step – WP09B-WELD

  24. To Be Continued… If needed

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