Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Multimachine Stability01:25

Multimachine Stability

602
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
602
Simplified Synchronous Machine Model01:30

Simplified Synchronous Machine Model

859
The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
In this model, each generator is connected to a...
859
Detection of Black Holes01:10

Detection of Black Holes

2.6K
Although black holes were theoretically postulated in the 1920s, they remained outside the domain of observational astronomy until the 1970s.
Their closest cousins are neutron stars, which are composed almost entirely of neutrons packed against each other, making them extremely dense. A neutron star has the same mass as the Sun but its diameter is only a few kilometers. Therefore, the escape velocity from their surface is close to the speed of light.
Not until the 1960s, when the first neutron...
2.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same journal

Integrated diamond quantum spectrometer for high-resolution picoliter nuclear magnetic resonance (NMR) under ambient magnetic noise.

The Review of scientific instruments·2026
Same journal

Asymmetric-beam steady-state thermoreflectance for three-dimensional anisotropic thermal conductivity measurements.

The Review of scientific instruments·2026
Same journal

The next-generation particle x-ray temporal diagnostic for simultaneous time-resolved measurements of nuclear-burn and x-ray emission histories in support of basic-science and inertial confinement fusion experiments at OMEGA.

The Review of scientific instruments·2026
Same journal

Cavity-based non-destructive diagnostics of beam quadrupole moment and energy spread.

The Review of scientific instruments·2026
Same journal

Measuring reaction-in-flight neutrons via the activation technique.

The Review of scientific instruments·2026
Same journal

Design of a test rig for the investigation of water separation in two-phase annular flow.

The Review of scientific instruments·2026

Related Experiment Video

Updated: Mar 13, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

15.1K

Distributed state machine supervision for long-baseline gravitational-wave detectors.

Jameson Graef Rollins1

  • 1LIGO Laboratory, California Institute of Technology, Pasadena, California 91125, USA.

The Review of Scientific Instruments
|October 27, 2016
PubMed
Summary

A new automation platform, Guardian, manages complex controls for the Laser Interferometer Gravitational-wave Observatory (LIGO) detectors. This state machine system enhances control and simplifies development for advanced scientific instruments.

More Related Videos

Gradient Echo Quantum Memory in Warm Atomic Vapor
10:00

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

13.3K
A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
08:23

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

Published on: September 30, 2019

6.7K

Related Experiment Videos

Last Updated: Mar 13, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

15.1K
Gradient Echo Quantum Memory in Warm Atomic Vapor
10:00

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

13.3K
A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
08:23

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

Published on: September 30, 2019

6.7K

Area of Science:

  • Gravitational-wave Astronomy
  • Experimental Physics
  • Control Systems Engineering

Background:

  • Advanced LIGO detectors are complex, multi-component systems requiring sophisticated control.
  • Existing control systems face challenges in managing the intricate optical-mechanical setups and seismic isolation.
  • The need for a robust and adaptable automation platform is critical for detector operation and development.

Purpose of the Study:

  • To introduce Guardian, a novel state machine-based automation platform.
  • To address the automation and supervisory control challenges in Advanced LIGO detectors.
  • To provide a flexible framework for experimental control across various scales.

Main Methods:

  • Development of Guardian, a distributed, hierarchical state machine automation platform.
  • Implementation using standard Python for user code, facilitating rapid development.
  • Focus on modular, independent automaton nodes for comprehensive detector management.

Main Results:

  • Guardian successfully handles the automation and supervisory control requirements of Advanced LIGO.
  • The platform's design supports the fast-paced development and commissioning of complex instruments.
  • Demonstrated utility in managing intricate optical-mechanical systems and feedback control loops.

Conclusions:

  • Guardian provides an effective solution for the complex control needs of gravitational-wave detectors.
  • The platform's generic design makes it applicable to a wide range of scientific experiments.
  • Guardian enhances the development and operational efficiency of large-scale scientific facilities.