3 papers
physics.ins-det2001
An Overview of the LIGO Control and Data Acquisition System
R. Bork, R. Abbott, D. Barker +1
The LIGO Control and Data system (CDS) features a tightly coupled and highly integrated control and data acquisition system. Control of the interferometers requires many Multiple I…
physics.ins-det2001
The LIGO Interferometer Sensing and Control System
J. Heefner, R. Bork, R. Abbott
The LIGO Interferometer Sensing and Control System (ISC) is a large and highly distributed Multiple Input Multiple Output (MIMO) control system that is used to control the length a…
physics.optics2001
The LIGO Suspended Optic Digital Control System
J. Heefner, R. Bork
The original LIGO suspension control system [1] used analog circuitry to implement the closed loop damping required for local control of each the suspended optics. Recent developme…