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

Attitudes01:54

Attitudes

32.7K
Attitude is our evaluation of a person, an idea, or an object. We have attitudes for many things ranging from products that we might pick up in the supermarket to people around the world to political policies. Typically, attitudes are favorable or unfavorable: positive or negative (Eagly & Chaiken, 1993). And, they have three components: an affective component (feelings), a behavioral component (the effect of the attitude on behavior), and a cognitive component (belief and knowledge;...
32.7K
BIBO stability of continuous and discrete -time systems01:24

BIBO stability of continuous and discrete -time systems

892
System stability is a fundamental concept in signal processing, often assessed using convolution. For a system to be considered bounded-input bounded-output (BIBO) stable, any bounded input signal must produce a bounded output signal. A bounded input signal is one where the modulus does not exceed a certain constant at any point in time.
To determine the BIBO stability, the convolution integral is utilized when a bounded continuous-time input is applied to a Linear Time-Invariant (LTI) system....
892
Rigid Body Equilibrium Problems - I00:49

Rigid Body Equilibrium Problems - I

5.4K
A rigid body is said to be in static equilibrium when the net force and the net torque acting on the system is equal to zero. To solve for rigid body equilibrium problems, do the following steps.
5.4K
Nuclear Stability03:18

Nuclear Stability

22.9K
Protons and neutrons, collectively called nucleons, are packed together tightly in a nucleus. With a radius of about 10−15 meters, a nucleus is quite small compared to the radius of the entire atom, which is about 10−10 meters. Nuclei are extremely dense compared to bulk matter, averaging 1.8 × 1014 grams per cubic centimeter. If the earth’s density were equal to the average nuclear density, the earth’s radius would be only about 200 meters.
To hold positively charged protons together...
22.9K
RNA Stability01:53

RNA Stability

35.6K
Intact DNA strands can be found in fossils, while scientists sometimes struggle to keep RNA intact under laboratory conditions. The structural variations between RNA and DNA underlie the differences in their stability and longevity. Because DNA is double-stranded, it is inherently more stable. The single-stranded structure of RNA is less stable but also more flexible and can form weak internal bonds. Additionally, most RNAs in the cell are relatively short, while DNA can be up to 250 million...
35.6K
Rigid Body Equilibrium Problems - II01:21

Rigid Body Equilibrium Problems - II

7.9K
A rigid body is in static equilibrium when the net force and the net torque acting on the system are equal to zero.
Consider two children sitting on a seesaw, which has negligible mass. The first child has a mass (m1) of 26 kg and sits at point A, which is 1.6 meters (r1) from the pivot point B; the second child has a mass (m2) of 32 kg and sits at point C. How far from the pivot point B should the second child sit (r2) to balance the seesaw?
7.9K

You might also read

Related Articles

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

Sort by
Same author

Electricity generation from food wastes and microbial community structure in microbial fuel cells.

Bioresource technology·2013
Same author

Plasmon-enhanced photothermoelectric conversion in chemical vapor deposited graphene p-n junctions.

Journal of the American Chemical Society·2013
Same author

Rapid and sensitive detection of vinorelbine in the urine of tumor patients by capillary electrophoresis with tris(2,2'-bipyridyl)ruthenium(II)-based electrochemiluminescence assay.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry·2013
Same author

Synthesis and biological evaluation of 4-phenoxy-6,7-disubstituted quinolines possessing semicarbazone scaffolds as selective c-Met inhibitors.

Archiv der Pharmazie·2013
Same author

The effects of external electric field: creating non-zero first hyperpolarizability for centrosymmetric benzene and strongly enhancing first hyperpolarizability for non-centrosymmetric edge-modified graphene ribbon H2N-(3,3)ZGNR-NO2.

Journal of molecular modeling·2013
Same author

Msx2 plays a critical role in lens epithelium cell cycle control.

International journal of ophthalmology·2013
Same journal

Neural network parameter identification-based prescribed-time adaptive control for morphing glide aircraft.

ISA transactions·2026
Same journal

Nonlinear system-guided continuous-time generalization for cross-aircraft engine state monitoring.

ISA transactions·2026
Same journal

Predefined-time distributed optimal formation control for constrained UAV-UGV systems.

ISA transactions·2026
Same journal

Fixed-time distributed secondary control for voltage/frequency restoration and power sharing in microgrids under switching topologies.

ISA transactions·2026
Same journal

A robust ATUB-Net for bearing fault diagnosis under unbalanced sample scenarios.

ISA transactions·2026
Same journal

Data-driven trajectory tracking control of UAV systems under a novel probability-selection event-triggered mechanism.

ISA transactions·2026
See all related articles

Related Experiment Video

Updated: Jan 20, 2026

Rigid Embedding of Fixed and Stained, Whole, Millimeter-Scale Specimens for Section-free 3D Histology by Micro-Computed Tomography
07:41

Rigid Embedding of Fixed and Stained, Whole, Millimeter-Scale Specimens for Section-free 3D Histology by Micro-Computed Tomography

Published on: October 17, 2018

9.3K

Fixed-time attitude stabilization for a rigid spacecraft.

Haibo Du1, Jun Zhang1, Di Wu2

  • 1School of Electrical Engineering and Automation, Hefei University of Technology, Hefei, Anhui 230009, China.

ISA Transactions
|August 28, 2019
PubMed
Summary
This summary is machine-generated.

This study presents a fixed-time attitude stabilization controller for rigid spacecraft, ensuring stability in a time independent of initial conditions. The controller effectively handles uncertainties and disturbances, validated through simulations.

Keywords:
Attitude stabilizationFixed-time controlRigid spacecraft

More Related Videos

The Rigid Tube as an Alternative in Controlling the Problematic Airway
08:26

The Rigid Tube as an Alternative in Controlling the Problematic Airway

Published on: June 6, 2020

6.8K
Flexural Rigidity Measurements of Biopolymers Using Gliding Assays
07:55

Flexural Rigidity Measurements of Biopolymers Using Gliding Assays

Published on: November 9, 2012

11.2K

Related Experiment Videos

Last Updated: Jan 20, 2026

Rigid Embedding of Fixed and Stained, Whole, Millimeter-Scale Specimens for Section-free 3D Histology by Micro-Computed Tomography
07:41

Rigid Embedding of Fixed and Stained, Whole, Millimeter-Scale Specimens for Section-free 3D Histology by Micro-Computed Tomography

Published on: October 17, 2018

9.3K
The Rigid Tube as an Alternative in Controlling the Problematic Airway
08:26

The Rigid Tube as an Alternative in Controlling the Problematic Airway

Published on: June 6, 2020

6.8K
Flexural Rigidity Measurements of Biopolymers Using Gliding Assays
07:55

Flexural Rigidity Measurements of Biopolymers Using Gliding Assays

Published on: November 9, 2012

11.2K

Area of Science:

  • Aerospace Engineering
  • Control Theory
  • Robotics

Background:

  • Spacecraft attitude stabilization is critical for mission success.
  • Existing methods may not guarantee fixed-time convergence or handle uncertainties robustly.

Purpose of the Study:

  • To design a fixed-time attitude stabilization controller for rigid spacecraft.
  • To ensure stabilization time is independent of initial conditions.
  • To address parameter uncertainties and external disturbances.

Main Methods:

  • Utilizing Modified Rodriguez Parameters for spacecraft modeling.
  • Employing an improved backstepping design methodology.
  • Developing a fixed-time control algorithm.

Main Results:

  • The proposed controller achieves attitude stabilization in a fixed, predetermined time.
  • The controller demonstrates robustness against parameter uncertainties.
  • Effectiveness is validated through comprehensive simulations.

Conclusions:

  • The developed fixed-time control scheme provides a reliable solution for spacecraft attitude stabilization.
  • The approach offers enhanced performance and robustness compared to conventional methods.
  • This work contributes to the advancement of autonomous spacecraft control systems.