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

Space Trusses01:25

Space Trusses

1.3K
A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. The space truss is widely used in various construction projects due to its adaptability and capacity to withstand complex loads.
At the core of a space truss lies the fundamental unit known as the tetrahedron. This structure is composed of six members that form a three-dimensional shape...
1.3K
State Space Representation01:27

State Space Representation

593
The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
593
Space Trusses: Problem Solving01:29

Space Trusses: Problem Solving

913
A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. Due to its adaptability and capacity to withstand complex loads, the space truss is widely used in various construction projects.
Consider a tripod consisting of a tetrahedral space truss with a ball-and-socket joint at C. Suppose the height and lengths of the horizontal and vertical...
913
Transfer Function to State Space01:23

Transfer Function to State Space

811
State-space representation is a powerful tool for simulating physical systems on digital computers, necessitating the conversion of the transfer function into state-space form. Consider an nth-order linear differential equation with constant coefficients, like those encountered in an RLC circuit. The state variables are selected as the output and its n−1 derivatives. Differentiating these variables and substituting them back into the original equation produces the state equations.
In an RLC...
811
State Space to Transfer Function01:21

State Space to Transfer Function

591
The conversion of state-space representation to a transfer function is a fundamental process in system analysis. It provides a method for transitioning from a time-domain description to a frequency-domain representation, which is crucial for simplifying the analysis and design of control systems.
The transformation process begins with the state-space representation, characterized by the state equation and the output equation. These equations are typically represented as:
591
Equation of Motion: General Plane motion01:22

Equation of Motion: General Plane motion

585
In the context of a rigid body's movement within a general plane, it is important to understand that this motion is typically triggered by external forces or couple moments exerted onto it. This principle can be explained through Newton's second law, which stipulates the translational motion of the body's center of mass along each axis.
Moreover, the body's center of mass experiences a rotational effect as a result of these couple moments. This rotation can be articulated as the...
585

You might also read

Related Articles

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

Sort by
Same author

Customizing galvanic vestibular stimulation amplitude: an objective technique using sway indices to account for individual sensitivity.

Experimental brain research·2026
Same author

Brain displacement and nonlinear deformation following human spaceflight.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Editorial: Impact of vestibular dysfunction studies on space flight health challenges.

Frontiers in neurology·2026
Same author

Development of head-trunk coordination measures for assessing sensorimotor function in laboratory and natural settings using wearable sensors.

Scientific reports·2025
Same author

Bilateral vestibulopathy affects spatial and temporal perception.

PloS one·2025
Same author

Effects of short-duration spaceflight on the execution of critical mission tasks.

Frontiers in physiology·2025

Related Experiment Video

Updated: Feb 7, 2026

How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants
08:50

How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants

Published on: December 14, 2014

9.7K

A Case Study of Severe Space Motion Sickness.

Millard F Reschke, Scott J Wood, Gilles R Clément

    Aerospace Medicine and Human Performance
    |July 19, 2018
    PubMed
    Summary

    Space motion sickness causes severe symptoms like oscillopsia, triggered by head movements and visual disturbances. This suggests altered vestibular and optokinetic mechanisms during spaceflight and upon return.

    Area of Science:

    • Space medicine
    • Human physiology in space
    • Vestibular system function

    Background:

    • Space motion sickness (SMS) is a persistent challenge in spaceflight.
    • Limited data exists on SMS onset during critical mission phases like launch and re-entry.
    • Understanding SMS etiology is crucial for astronaut health and performance.

    Observation:

    • A case study details severe SMS symptoms experienced by a crewmember immediately after launch.
    • Symptoms included oscillopsia (visual disturbance) triggered by head movements, eyeglasses, and body translation.
    • Detailed verbal reports captured the symptoms and their perceived causes during and post-flight.

    Findings:

    • Space motion sickness onset was sudden and linked to voluntary/involuntary head and body movements.

    More Related Videos

    Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients
    02:28

    Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients

    Published on: March 1, 2024

    941
    In vitro Synthesis of Native, Fibrous Long Spacing and Segmental Long Spacing Collagen
    07:54

    In vitro Synthesis of Native, Fibrous Long Spacing and Segmental Long Spacing Collagen

    Published on: September 20, 2012

    14.2K

    Related Experiment Videos

    Last Updated: Feb 7, 2026

    How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants
    08:50

    How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants

    Published on: December 14, 2014

    9.7K
    Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients
    02:28

    Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients

    Published on: March 1, 2024

    941
    In vitro Synthesis of Native, Fibrous Long Spacing and Segmental Long Spacing Collagen
    07:54

    In vitro Synthesis of Native, Fibrous Long Spacing and Segmental Long Spacing Collagen

    Published on: September 20, 2012

    14.2K
  • Head movements induced oscillopsia, creating a perception of environmental oscillation.
  • Exaggerated motion perception indicates potential increases in vestibular sensitivity or decreases in pursuit-optokinetic mechanisms.

    • Implications:

    • Findings suggest specific sensory system vulnerabilities in microgravity and during re-entry.
    • Understanding these mechanisms can inform countermeasures for space motion sickness.
    • This case study highlights the need for real-time data collection during critical spaceflight phases.