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

Distributed Loads: Problem Solving01:21

Distributed Loads: Problem Solving

888
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
888
Linear Approximation in Time Domain01:21

Linear Approximation in Time Domain

193
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
193
Multimachine Stability01:25

Multimachine Stability

280
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:
280
Stability of Equilibrium Configuration: Problem Solving01:13

Stability of Equilibrium Configuration: Problem Solving

777
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
777
Constraints and Statical Determinacy01:26

Constraints and Statical Determinacy

816
In structural engineering, the equilibrium of a system is not only determined by its equations of equilibrium but also with the help of constraints. Constraints refer to restrictions on the motion of a system. The proper combinations of constraints can minimize the total number of constraints needed to maintain a system in mechanical equilibrium. When this happens, the system is said to be statically determinate. For such systems, the unknown reaction supports can be estimated using equilibrium...
816
One-Degree-of-Freedom System01:24

One-Degree-of-Freedom System

626
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
626

You might also read

Related Articles

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

Sort by
Same author

Self-supported catalysts.

Chemical reviews·2008
Same author

[The local control of radiotherapy following Ivor-Lewis esophagectomy in the patients with stage II A middle-third thoracic esophageal cancer].

Zhonghua wai ke za zhi [Chinese journal of surgery]·2008
Same author

Magnetic loading of carbon nanotube/nano-Fe(3)O(4) composite for electrochemical sensing.

Talanta·2008
Same author

Carbon nanotube/polystyrene composite electrode for microchip electrophoretic determination of rutin and quercetin in Flos Sophorae Immaturus.

Talanta·2008
Same author

[Observation on efficacy of large volume whole lung lavage in treatment of pneumoconiosis].

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases·2008
Same author

[Application of large volume whole lung lavage in pneumoconiosis].

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases·2008

Related Experiment Video

Updated: Nov 11, 2025

WheelCon: A Wheel Control-Based Gaming Platform for Studying Human Sensorimotor Control
08:18

WheelCon: A Wheel Control-Based Gaming Platform for Studying Human Sensorimotor Control

Published on: August 15, 2020

5.2K

Fully Distributed Optimal Position Control of Networked Uncertain Euler-Lagrange Systems Under Unbalanced Digraphs.

Zhijun Guo, Gang Chen

    IEEE Transactions on Cybernetics
    |March 26, 2021
    PubMed
    Summary

    This study presents fully distributed adaptive control schemes for networked uncertain nonlinear Euler-Lagrange (EL) systems to achieve optimal positioning. The methods work without global information and under general communication graphs, even with constraints.

    More Related Videos

    The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
    11:53

    The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

    Published on: October 14, 2017

    11.9K
    Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
    06:04

    Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

    Published on: February 14, 2025

    784

    Related Experiment Videos

    Last Updated: Nov 11, 2025

    WheelCon: A Wheel Control-Based Gaming Platform for Studying Human Sensorimotor Control
    08:18

    WheelCon: A Wheel Control-Based Gaming Platform for Studying Human Sensorimotor Control

    Published on: August 15, 2020

    5.2K
    The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
    11:53

    The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

    Published on: October 14, 2017

    11.9K
    Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
    06:04

    Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

    Published on: February 14, 2025

    784

    Area of Science:

    • Robotics
    • Control Systems Engineering
    • Networked Systems

    Background:

    • Networked uncertain nonlinear Euler-Lagrange (EL) systems present challenges in achieving cooperative optimal positioning.
    • Existing optimal control schemes often require global information or specific communication graph structures.

    Purpose of the Study:

    • To develop fully distributed optimal position control protocols for networked uncertain nonlinear EL systems.
    • To address both unconstrained and constrained positioning problems.
    • To enhance control schemes for general unbalanced directed communication graphs.

    Main Methods:

    • Adaptive parameter estimation and gain tuning techniques for unconstrained problems.
    • The epsilon-exact penalty function method for incorporating environmental constraints.
    • Design of fully distributed control protocols that do not require global information.

    Main Results:

    • A fully distributed optimal position control protocol for unconstrained networked EL systems was developed.
    • An enhanced optimal control scheme incorporating environmental constraints using the epsilon-exact penalty function was presented.
    • The proposed adaptive control schemes demonstrated effectiveness under general unbalanced directed communication graphs.

    Conclusions:

    • The developed adaptive control schemes are fully distributed, eliminating the need for global information.
    • The control strategies are robust and applicable to general unbalanced directed communication networks.
    • The findings offer a significant advancement in the cooperative control of networked uncertain nonlinear systems.