ETM/ITM Quad Suspension Actuator (Actuation) Control Range (Ranges)

Document #:

LIGO-T1100595-v4

Document type:

T - Technical notes

Abstract:

ETM/ITM Quad Suspension Control Ranges: details of OSEMs, Magnets and DC control stages at each stage.

Files in Document:

• T1100595-v4.pdf (510.8 kB)

Other Files:

• T1100595-v4_QUADMaxRange_ETMGap_HighRange_40GainDriver...pdf (160.4 kB)
• T1100595-v4_QUADMaxRange_ETMGap_LowNoise_1p5GainDriver...pdf (156.9 kB)
• T1100595-v4_QUADMaxRange_ITMGap_HighRange_40GainDriver...pdf (157.1 kB)
• T1100595-v4_QUADMaxRange_ITMGap_LowNoise_1p5GainDriver...pdf (155.5 kB)
• T1100595-v4_quad_actuation_ranges.pdf (62.8 kB)
• T1100595-v4_quad_actuation_ranges.xls (61.0 kB)

Topics:

• Suspensions
• Final Design

Authors:

• Norna Robertson
• Jeffrey Kissel

Keywords:

quad suspensions control range OSEMs magnets

Notes and Changes:

-v4 includes increased drive strength of UIM driver as per ECR E1400146, and T1200223.

Related Documents:

• LIGO-T1100378: aLIGO QUAD Controls Design Description

Referenced by:

• LIGO-T1000286-v9: aLIGO Quadruple Suspension (QUAD) Final Design Document
• LIGO-E1000040-v2: Transmission Monitor Telescope and Suspension (TMS), Preliminary Design Document
• LIGO-T1400293: Suspension Alignment Offsets and Gains
• LIGO-E1100604: aLIGO SUS Quad Design Documentation
• LIGO-T1100378-v12: aLIGO QUAD Controls Design Description