Possible fixes for Type Bp suspension damping issue (PR2/PR3/PRM)

Document #:

JGW-T1503467-v1

Document type:

T

Submitted by:

Mark Barton

Updated by:

Mark Barton

Document Created:

09 Apr 2015, 08:53

Contents Revised:

05 Aug 2015, 11:51

DB Info Revised:

05 Aug 2015, 11:51

Abstract:

Shoda-san's model of the Type Bp suspension design shows that the pendulum mode will be hard to control because there is no inverted pendulum stage and no eddy-current dampers. A number of possible fixes are considered.

Files in Document:

• JGW-T1503467-v1.docx (5.2 MB)
• JGW-T1503467-v1.pdf (8.3 MB)

Topics:

• Detector:Suspensions
• Activity:KAGRA

Authors:

• Mark Barton

Notes and Changes:

-v for discussion at VIS meeting, 8/5/2015

Related Documents:

• JGW-T1503908: Type-Bp performance simulation