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

Sampling Continuous Time Signal01:11

Sampling Continuous Time Signal

346
In signal processing, a continuous-time signal can be sampled using an impulse-train sampling technique, followed by the zero-order hold method. Impulse-train sampling involves the use of a periodic impulse train, which consists of a series of delta functions spaced at regular intervals determined by the sampling period. When a continuous-time signal is multiplied by this impulse train, it generates impulses with amplitudes corresponding to the signal's values at the sampling points.
In the...
346
Applications of RC Circuits01:22

Applications of RC Circuits

3.3K
A relaxation oscillator is one of the applications of RC circuits. A neon lamp relaxation oscillator comprises a capacitor, a resistor, a voltage source, and a lamp. The lamp acts like an open circuit, with infinite resistance until the potential difference across the lamp reaches a specific voltage. At that voltage, the lamp acts like a short circuit with zero resistance, and the capacitor discharges through the lamp, thus producing light. Once the capacitor is fully discharged through the...
3.3K
Frequency Response of a Circuit01:20

Frequency Response of a Circuit

365
Inductive circuits present intriguing challenges in electrical engineering, particularly during the transition from the time domain to the frequency domain. This transformation involves converting inductors into impedances and utilizing phasor representation.
The transfer function is pivotal in characterizing how these circuits react to various frequencies, facilitating a profound understanding of their behavior. An essential parameter is the time constant, signifying the...
365
Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

177
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...
177
Generator Voltage Control01:21

Generator Voltage Control

241
Generator voltage control is crucial for maintaining the stable operation of synchronous generators and wind turbines. In older models, a DC generator driven by the rotor delivers DC power to the rotor's field winding, and the power is transferred through slip rings and brushes. In the latest models, static or brushless exciters are used. Static exciters rectify AC power from the generator terminals and then transfer the DC power directly to the rotor. Brushless exciters, on the other hand,...
241
Basic Continuous Time Signals01:22

Basic Continuous Time Signals

339
Basic continuous-time signals include the unit step function, unit impulse function, and unit ramp function, collectively referred to as singularity functions. Singularity functions are characterized by discontinuities or discontinuous derivatives.
The unit step function, denoted u(t), is zero for negative time values and one for positive time values, exhibiting a discontinuity at t=0. This function often represents abrupt changes, such as the step voltage introduced when turning a car's...
339

You might also read

Related Articles

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

Sort by
Same author

Effect of electron beam irradiation on the property of oat and barley proteins and their interaction with major flavor compounds.

Food chemistry·2026
Same author

Engineering surface functional groups of MXenes for advanced catalysis and energy technology.

Nanoscale horizons·2026
Same author

Ciprofol-Esketamine Versus Ciprofol-Remifentanil in Hysteroscopic Endometrial Polypectomy: A Randomized Controlled Trial.

Medical science monitor : international medical journal of experimental and clinical research·2026
Same author

Framework-Densified Isotropic Cellulose Ionogel for Omnidirectional Flexible Sensing.

Biomacromolecules·2026
Same author

Assessing social rank in male mice using the multi-round warm spot test.

Physiology & behavior·2026
Same author

Global emergence, evolution and international dissemination of the ST145 Klebsiella oxytoca lineage.

npj antimicrobials and resistance·2026
Same journal

Correction: Kang et al. Fluid Flow to Electricity: Capturing Flow-Induced Vibrations with Micro-Electromechanical-System-Based Piezoelectric Energy Harvester. <i>Micromachines</i> 2024, <i>15</i>, 581.

Micromachines·2026
Same journal

Femtosecond Laser Texturing of Wood Coatings with Bio-Based Epoxy and Wax Additives for Enhanced Hydrophobicity.

Micromachines·2026
Same journal

Engineering of Optoelectronic Devices for Renewable Energy Applications.

Micromachines·2026
Same journal

Phase Transformation and Electrochemical Behavior of Hexagonal TiO<sub>2</sub> Nanotubes Under Different Annealing Temperatures and Heating Rates.

Micromachines·2026
Same journal

Process Optimization and Predictive Modeling of Femtosecond Laser Precision Milling for Commercial PMMA Slices.

Micromachines·2026
Same journal

A Hybrid Preprocessing Multi-Objective Surrogate Model for Thermal MEMS Actuators.

Micromachines·2026
See all related articles

Related Experiment Video

Updated: Sep 6, 2025

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition
05:11

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition

Published on: June 27, 2025

202

Time-Varying Pseudorandom Disturbed Pattern Generation Algorithm for Track Circuit Equipment Testing.

Xiaoming Chen1, Zhixuan Wang1, Zhiyang Yu2

  • 1School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian 116000, China.

Micromachines
|June 24, 2022
PubMed
Summary
This summary is machine-generated.

A novel time-varying pseudorandom disturbance algorithm enhances automatic test pattern generation for high-speed railway equipment. This method improves fault coverage and pattern generation efficiency, crucial for reliable testing.

Keywords:
ATPG 2D algorithm 4high-speed railwaypseudorandom pattern 3

More Related Videos

Long-term Behavioral Tracking of Freely Swimming Weakly Electric Fish
10:56

Long-term Behavioral Tracking of Freely Swimming Weakly Electric Fish

Published on: March 6, 2014

12.6K
Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing
09:39

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Published on: June 28, 2024

1.1K

Related Experiment Videos

Last Updated: Sep 6, 2025

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition
05:11

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition

Published on: June 27, 2025

202
Long-term Behavioral Tracking of Freely Swimming Weakly Electric Fish
10:56

Long-term Behavioral Tracking of Freely Swimming Weakly Electric Fish

Published on: March 6, 2014

12.6K
Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing
09:39

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Published on: June 28, 2024

1.1K

Area of Science:

  • Electrical Engineering
  • Computer Science
  • Railway Engineering

Background:

  • High-speed railway equipment requires accurate testing for reliability.
  • Existing automatic test pattern generation (ATPG) methods face challenges in fault coverage and efficiency.

Purpose of the Study:

  • To develop an advanced ATPG algorithm for improved test accuracy and fault coverage in railway equipment.
  • To enhance the randomness and efficiency of pseudorandom pattern generation.

Main Methods:

  • A time-varying pseudorandom disturbance algorithm is proposed, integrating pseudorandom pattern generation with the D algorithm.
  • The system timer is utilized as a time-varying random seed for enhanced pseudorandomness.
  • A novel switching logic based on invalid pattern proportion is introduced to combine algorithms.

Main Results:

  • The algorithm achieves near 100% fault coverage for specific circuit netlists.
  • Compared to independent methods, fault coverage is improved by over 50% and 30% for standard circuits.
  • Pattern generation efficiency is significantly enhanced.

Conclusions:

  • The proposed algorithm offers a robust solution for improving the testing of high-speed railway equipment.
  • It demonstrates superior performance in fault coverage and efficiency compared to existing methods.
  • The algorithm is well-suited for integration into high-speed railway equipment test platforms.