Signal Processing for the Practical Physicist: Control Loop (Controls) Design Class

Document #:

LIGO-T1800210-v2

Document type:

T - Technical notes

Abstract:

Plots to support a training class given over the course of two days for LHO operators.

Files in Document:

• T1800210-v2_ControlLoopClass_DAY0_TimevsFrequencyDomain.pdf (1.2 MB)
• T1800210-v2_ControlLoopClass_DAY1_Noise.pdf (385.2 kB)
• T1800210-v2_ControlLoopClass_DAY2_Control.pdf (2.9 MB)

Other Files:

• Notes on Jeff's Day 2 : Controls Design and Stability -- Taken by M.R. Todd (MRTodd_JeffKissel_Controls_Class.pdf, 5.4 MB)
• White board day 1 A (controls_class_wb_a_day1.pdf, 2.0 MB)
• White board day 1 B (controls_class_wb_b_day1.pdf, 1.8 MB)
• White board day 2 A (controls_class_wb_a_day2.pdf, 15.1 MB)
• White board day 2 B (controls_class_wb_b_day2.pdf, 14.3 MB)
• White board day 3 A (controls_class_wb_a_day3.jpeg, 2.4 MB)
• White board day 3 B (controls_class_wb_b_day3.jpeg, 2.1 MB)
• White board day 4 (controls_class_wb_day4.pdf, 2.0 MB)

Topics:

• Commissioning
• Seismic Isolation
• Sensing and Control

Authors:

• Jeffrey Kissel

Notes and Changes:

.

Related Documents:

• LIGO-T1400010: Spectrum and spectral density estimation by the Discrete Fourier transform (DFT, FFT), including a comprehensive list of window functions and some new flat-top windows
• LIGO-T1300645: Re-assessing HAM-ISI Noise Budget Performance Model for aLIGO
• LIGO-T0900450: Sensor Noise Estimates for Advanced LIGO Seismic Isolation Systems (SEI_sensor_noise.m)

Referenced by:

Associated with Events:

GWANW 2025 held from 10 Jun 2025 to 12 Jun 2025 in LIGO Hanford Observatory