• KAGRA
• Subgroups
• VIS
• Acceptance Test

Acceptance Test

Flow chart

A: Design phase

Check sheets templates for A

A01 : Simulation satisfy the requirement?

Input

• KAGRA requirements
  • Input the design sensitivity (ref. xxx)
  • Input the DAC limit (ref. xxx)
• Suspension model
  • plant model : rigid body model by SUMCON (ref. xxx)
  • control model : LTI model by Matlab simlink (ref. xxx)
  • noise model : seismic noise, control noise (ref. xxx)

Output

• Transfer function
  • transfer function of the suspension (ref. xxx)
• Noises
  • requirement for sensor noises (ref. xxx)
  • requirement for actuator noises (ref. xxx)

Content

B: Installation phase

Check sheets templates for B

B01 : Tower is ready to combine?

• Cable connection
  • Resistance (Ohom)
  • Continuity (OK/NO)
• Calibration (LVDT, ACC)
  • Calibration (plot, polarity, coefficient)
  • Sensor noise (plot)
• Working point and dynamic range with FR, Limit SW
  • Range (from -mm to +mm)
  • Minimum range (mm)
  • Optimal point (mm)
  • Limit SW (on/off)
• Tuned frequencies of GAS Filter/IP
  • Frequency (TF, actuator efficiency)
  • Maximum frequency (Hz)

B02 : Payload is ready to combine?

• Please write
  • aaaa

B03 : Can we measure the TF in air?

• Please write
  • aaaa

B04 : Can we measure the TF in vacuum?

• Damping time
  • RMS in spectrum (plot)
• Healthy check
  • Transfer function (plot)
  • Resonant frequencies (PreQUA)

C: Integration phase

Check sheets templates for C

C01 : Can we control the suspension in local?

• Noise budget
  • Spectrum (plot)
• Automation
  • check the guardian transition

C02 : Can we control the suspension in global?

• Please write
  • aaaa