Smooth Polynomial Ramp for SEI turnon

Document #:

LIGO-T1300510-v2

Document type:

T - Technical notes

Abstract:

derive and discuss a smooth ramp for ramping a bias signal. Used in the ISI turn-on procedure for moving the CART basis bias signals

Files in Document:

• Polyramp.pdf (196.4 kB)

Topics:

• Seismic Isolation
• Commissioning
• Suspensions

Authors:

• Brian Lantz

Keywords:

ramp polynomical P5 smooth ISI turnon

Notes and Changes:

All the latex source files, pdfs, and matlab files are in the seismic repository at
{SeismicSVN}/seismic/Common/Documents/T1300510_poly_ramp/

Referenced by:

• LIGO-T1400284-v2: Glitches in the Blend Switch - Origin and Fix
• LIGO-T1800031-v2: Smooth Ramp for Isolation Turnoff
• LIGO-T1300559-v1: Changing the ISI CPS offsets to the Cartesian (CART) Basis