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

Feedback control systems01:26

Feedback control systems

Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Root-Locus Method01:19

Root-Locus Method

A cruise control system in a car is designed to maintain a specified speed automatically by adjusting the gas pedal. The system continuously measures the vehicle's speed and makes fine adjustments to the pedal to achieve this goal. The root locus method is particularly useful for understanding how the cruise control system's behavior changes under varying conditions, such as when the car goes uphill, downhill, or faces strong wind resistance.
This system can be represented by a block diagram,...
Open and closed-loop control systems01:17

Open and closed-loop control systems

Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal and...
Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
Control Systems01:10

Control Systems

Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
Linear Approximation in Time Domain01:21

Linear Approximation in Time Domain

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, the...

You might also read

Related Articles

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

Sort by
Same author

Dynamic neural network-based robust observers for uncertain nonlinear systems.

Neural networks : the official journal of the International Neural Network Society·2014
Same author

An Address ON THE DRUG HABIT: Delivered at a Meeting of the Pharmaceutical Society.

British medical journal·2010
Same author

THE PLACE OF PHARMACOLOGY IN THE MEDICAL CURRICULUM.

British medical journal·2010
Same author

A British Medical Association Lecture ON THE DRUG HABIT.

British medical journal·2010
Same author

ALCOHOL: ITS USE AND ABUSE: LADY PRIESTLEY MEMORIAL LECTURE.

British medical journal·2010
Same author

An Address ON THE SPECIFIC ACTION OF DRUGS IN TUBERCULOSIS.

British medical journal·2010
Same journal

Strategic Ability Updating in Concurrent Games by Coalitional Commitment.

IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics : a publication of the IEEE Systems, Man, and Cybernetics Society·2015
Same journal

Meta-Analysis of the First Facial Expression Recognition Challenge.

IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics : a publication of the IEEE Systems, Man, and Cybernetics Society·2012
Same journal

Adjustable model-based fusion method for multispectral and panchromatic images.

IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics : a publication of the IEEE Systems, Man, and Cybernetics Society·2012
Same journal

Face Feature Weighted Fusion Based on Fuzzy Membership Degree for Video Face Recognition.

IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics : a publication of the IEEE Systems, Man, and Cybernetics Society·2012
Same journal

A New Adaptive Fast Cellular Automaton Neighborhood Detection and Rule Identification Algorithm.

IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics : a publication of the IEEE Systems, Man, and Cybernetics Society·2012
Same journal

Human-arm-and-hand-dynamic model with variability analyses for a stylus-based haptic interface.

IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics : a publication of the IEEE Systems, Man, and Cybernetics Society·2012
See all related articles

Related Experiment Video

Updated: Jul 7, 2026

Operant Learning of Drosophila at the Torque Meter
17:31

Operant Learning of Drosophila at the Torque Meter

Published on: June 16, 2008

Repetitive learning control: a Lyapunov-based approach.

W E Dixon1, E Zergeroglu, D M Dawson

  • 1Robotics & Process Syst. Div., Oak Ridge Nat. Lab., TN.

IEEE Transactions on Systems, Man, and Cybernetics. Part B, Cybernetics : a Publication of the IEEE Systems, Man, and Cybernetics Society
|February 2, 2008
PubMed
Summary
This summary is machine-generated.

This study introduces a novel learning-based feedforward control to manage unknown periodic nonlinear dynamics. This approach enables hybrid control schemes for robust robotic system performance.

More Related Videos

An Experimental Platform to Study the Closed-loop Performance of Brain-machine Interfaces
10:51

An Experimental Platform to Study the Closed-loop Performance of Brain-machine Interfaces

Published on: March 10, 2011

Related Experiment Videos

Last Updated: Jul 7, 2026

Operant Learning of Drosophila at the Torque Meter
17:31

Operant Learning of Drosophila at the Torque Meter

Published on: June 16, 2008

An Experimental Platform to Study the Closed-loop Performance of Brain-machine Interfaces
10:51

An Experimental Platform to Study the Closed-loop Performance of Brain-machine Interfaces

Published on: March 10, 2011

Area of Science:

  • Robotics
  • Control Theory
  • Machine Learning

Background:

  • Controlling systems with unknown nonlinear dynamics is challenging.
  • Periodic dynamics require specific compensation strategies.

Purpose of the Study:

  • Develop a learning-based feedforward term for systems with unknown periodic nonlinear dynamics.
  • Enable hybrid control schemes combining learning and adaptive techniques.

Main Methods:

  • A straightforward Lyapunov-like stability analysis to generate the learning-based feedforward term.
  • Design of hybrid adaptive/learning control schemes.
  • Application to a robot manipulator for position tracking.

Main Results:

  • Successful compensation for unknown periodic nonlinear dynamics.
  • Achieved global asymptotic link position tracking for a robot manipulator.
  • Demonstrated the effectiveness of hybrid control strategies.

Conclusions:

  • The proposed learning-based feedforward term effectively addresses periodic dynamics.
  • Hybrid control schemes offer a flexible framework for complex control problems.
  • This method enhances robotic system control accuracy and robustness.