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

Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

227
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
227
PD Controller: Design01:26

PD Controller: Design

288
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
288
Application of Pascal's Law01:03

Application of Pascal's Law

8.5K
Pascal's experimentally proven observations—that a change in pressure applied to an enclosed fluid is transmitted undiminished throughout the fluid and to the walls of its container—provide the foundations for hydraulics, one of the most important developments in modern mechanical technology.
Hydraulic systems are used to operate automotive brakes, hydraulic jacks, and numerous other mechanical systems. We can derive a relationship between the forces in a simple hydraulic system...
8.5K
Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

143
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...
143
Typical Model Studies01:30

Typical Model Studies

385
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
385
Kinematic Equations: Problem Solving01:15

Kinematic Equations: Problem Solving

12.5K
When analyzing one-dimensional motion with constant acceleration, the problem-solving strategy involves identifying the known quantities and choosing the appropriate kinematic equations to solve for the unknowns. Either one or two kinematic equations are needed to solve for the unknowns, depending on the known and unknown quantities. Generally, the number of equations required is the same as the number of unknown quantities in the given example. Two-body pursuit problems always require two...
12.5K

You might also read

Related Articles

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

Sort by
Same author

Automated Detection of Patent Ductus Arteriosus in Pediatric Patients Using Doppler Ultrasonography Videos Based on a Transformer Model.

Journal of imaging informatics in medicine·2026
Same author

Modulating starch digestion kinetics via feed processing: Implications for growth and metabolism in weaned pigs.

Animal nutrition (Zhongguo xu mu shou yi xue hui)·2026
Same author

<i>Enterococcus faecium</i> WEFA23-Derived Surface Layer Protein OTC Prevents <i>Listeria monocytogenes</i> Invasion by Strengthening Intestinal Barrier Function and Modulating Immune Responses.

Foods (Basel, Switzerland)·2025
Same author

Nanozymes modulate probiotic tryptophan metabolism to prevent Salmonella infection in mammalian models.

Nature microbiology·2025
Same author

Surface-layer proteins of Enterococcus faecium WEFA23 inhibit Listeria monocytogenes-induced inflammation via TLR2-mediated NF-κB and MAPK signalling in RAW 264.7 cells.

Microbiological research·2025
Same author

HLA-I genotype landscape in lung cancer and its prognosis value in Chinese small cell lung cancer.

Scientific reports·2025
Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026
Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026
Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026
Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026
Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026
Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026
See all related articles

Related Experiment Video

Updated: Jul 23, 2025

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.7K

Model-based large-dynamic iterative piston correction using extended objects.

Zexia Zhang, Bing Dong

    Optics Letters
    |July 14, 2023
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a new piston correction method for telescopes using extended objects. It effectively removes large piston errors, enhancing telescope resolution and performance.

    More Related Videos

    A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
    09:04

    A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

    Published on: June 1, 2022

    3.1K
    Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators
    08:59

    Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators

    Published on: June 13, 2022

    2.6K

    Related Experiment Videos

    Last Updated: Jul 23, 2025

    Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
    06:45

    Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

    Published on: October 28, 2022

    1.7K
    A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
    09:04

    A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

    Published on: June 1, 2022

    3.1K
    Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators
    08:59

    Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators

    Published on: June 13, 2022

    2.6K

    Area of Science:

    • Optical astronomy
    • Telescope engineering
    • Image processing

    Background:

    • High resolution in segmented or sparse aperture telescopes relies on precise cophasing.
    • Piston errors degrade image quality and resolution in such telescope systems.

    Purpose of the Study:

    • To propose a novel model-based piston correction method for segmented/sparse aperture telescopes.
    • To address and correct large-scale piston errors efficiently using extended objects.

    Main Methods:

    • A model-based piston correction technique is developed.
    • The method utilizes extended objects and broadband illumination.
    • A metric function based on power spectral density and modulation transfer function (MTF) sidelobe is derived.
    • Iterative estimation and correction of piston error using positive and negative biases are performed.

    Main Results:

    • The proposed method can remove large-scale piston errors within a few iterations.
    • The dynamic range of piston correction is demonstrated to be as large as the coherence length of light.
    • Experimental accuracy is influenced by image noise and bias accuracy.

    Conclusions:

    • The novel piston correction method offers an effective solution for large-scale piston errors in segmented telescopes.
    • The technique shows promise for improving the performance of sparse aperture telescopes.
    • Further research may focus on mitigating noise and improving bias accuracy for enhanced experimental results.