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

Vector Addition of Forces01:23

Vector Addition of Forces

5.7K
When understanding the effects of multiple forces acting on an object, vector addition is a crucial concept to grasp. This mathematical concept can be used to calculate the net force acting on an object when two or more forces are involved.
To understand the concept of vector addition, consider the scenario of a ship being pulled by two small tugboats. The two forces, F1 and F2, act concurrently on the ship in different directions. The parallelogram law can be used to calculate the net force...
5.7K
Gyroscope01:02

Gyroscope

4.2K
A gyroscope is defined as a spinning disk in which the axis of rotation is free to assume any orientation. When spinning, the orientation of the spin axis is unaffected by the orientation of the body that encloses it. The body or vehicle enclosing the gyroscope can be moved from place to place, while the orientation of the spin axis remains the same. This makes gyroscopes very useful in navigation, especially where magnetic compasses cannot be used, such as in crewed and crewless spacecraft,...
4.2K
Gyroscope: Precession01:24

Gyroscope: Precession

5.5K
Precession can be demonstrated effectively through a spinning top. If a spinning top is placed on a flat surface near the surface of the Earth at a vertical angle and is not spinning, it will fall over due to the force of gravity producing a torque acting on its center of mass. However, if the top is spinning on its axis, it precesses about the vertical direction, rather than topple over due to this torque. Precessional motion is a combination of a steady circular motion of the axis and the...
5.5K
Automatic Processing and Automatic Social Behavior01:28

Automatic Processing and Automatic Social Behavior

258
Automatic processing refers to the cognitive operations that occur without conscious intent or awareness, playing a fundamental role in shaping social cognition and behavior. These processes enable individuals to navigate complex social environments efficiently by relying on mental shortcuts and pre-existing knowledge structures known as schemas. One of the most influential mechanisms underlying automatic processing is priming, which subtly activates mental representations through exposure to...
258
Real Gases: Effects of Intermolecular Forces and Molecular Volume Deriving Van der Waals Equation04:01

Real Gases: Effects of Intermolecular Forces and Molecular Volume Deriving Van der Waals Equation

39.1K
Thus far, the ideal gas law, PV = nRT, has been applied to a variety of different types of problems, ranging from reaction stoichiometry and empirical and molecular formula problems to determining the density and molar mass of a gas. However, the behavior of a gas is often non-ideal, meaning that the observed relationships between its pressure, volume, and temperature are not accurately described by the gas laws.
39.1K
Sign Test for Matched Pairs01:17

Sign Test for Matched Pairs

415
The sign test for matched pairs offers a robust method for comparing two paired samples, often for the effects of an intervention in one of them. This method is very useful in situations where the underlying distribution of the data is unknown. The test compares two related samples—often pre- and post-treatment measurements on the same subjects—to determine if there are significant differences in their median values.
To conduct the sign test, we first calculate the differences in...
415

You might also read

Related Articles

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

Sort by
Same author

Rockwool-Based Fertigation Enhances Tea Plant Growth While Mitigating Soil N<sub>2</sub>O Emissions.

Plants (Basel, Switzerland)·2026
Same author

Comparative response of root-associated soil bacterial communities to phytophthora blight in healthy versus diseased Panax notoginseng plants.

Scientific reports·2026
Same author

Nitroxyl relieves acute kidney injury by suppressing SLC31A1-mediated cuproptosis in renal tubular epithelial cells.

Life sciences·2026
Same author

A longitudinal imaging study of the effects of type 2 diabetes and microvascular disease on diabetic bone disease.

Bone·2026
Same author

Unlocking the genetic potential of cauliflower: the 'lucky' cultivar and <i>Bacillus subtilis</i> synergy for superior productivity and bioactive enrichment.

Frontiers in plant science·2026
Same author

Liposomes: An Intelligent Drug Delivery System for Translational Applications in Bone Biomedicine.

Journal of biomedical materials research. Part B, Applied biomaterials·2026
Same journal

RETRACTED: Zhang et al. A Novel Framework for Reconstruction and Imaging of Target Scattering Centers via Wide-Angle Incidence in Radar Networks. <i>Sensors</i> 2025, <i>25</i>, 6802.

Sensors (Basel, Switzerland)·2026
Same journal

Enhancing Unsupervised Multi-Source Domain Adaptation for Person Re-Identification via Mixture of Experts and Graph-Based Relation.

Sensors (Basel, Switzerland)·2026
Same journal

Development of an Instrumented Glove for Palmar Pressure Assessment in Kayakers.

Sensors (Basel, Switzerland)·2026
Same journal

Development and Experimental Validation of an Autonomous IoT-Based Monitoring System for Real-Time Water Quality Assessment in the Amazon River.

Sensors (Basel, Switzerland)·2026
Same journal

Semi-Supervised Adversarial Learning Framework for Controller Area Network Bus Intrusion Detection.

Sensors (Basel, Switzerland)·2026
Same journal

Smart Optimization Method for Safety Signs in Innovative Manufacturing Environments Integrating Industrial Field IoT Sensors and Knowledge Graphs.

Sensors (Basel, Switzerland)·2026
See all related articles

Related Experiment Video

Updated: Feb 5, 2026

Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
11:44

Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators

Published on: August 15, 2014

10.8K

MEMS Gyroscope Automatic Real-Time Mode-Matching Method Based on Phase-Shifted 45° Additional Force Demodulation.

Feng Bu1, Dacheng Xu2, Heming Zhao3

  • 1School of Electronic and Information Engineering, Soochow University, Suzhou 215006, China. bf_suda@126.com.

Sensors (Basel, Switzerland)
|September 13, 2018
PubMed
Summary
This summary is machine-generated.

This study introduces a new method for microelectromechanical systems (MEMS) vibrating gyroscopes to achieve real-time mode-matching. The novel phase-shifted 45° additional force demodulation (45° AFD-RM) improves gyroscope performance and reliability.

Keywords:
45° additional forceMEMS gyroscopenegative stiffness effectphase-shifted demodulationreal-time mode-matching

More Related Videos

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
10:28

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Published on: July 5, 2016

10.7K
Real-Time Force Measurement Between Emulsion Droplets During Enzymatic Breakdown
04:56

Real-Time Force Measurement Between Emulsion Droplets During Enzymatic Breakdown

Published on: June 27, 2025

642

Related Experiment Videos

Last Updated: Feb 5, 2026

Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
11:44

Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators

Published on: August 15, 2014

10.8K
Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
10:28

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Published on: July 5, 2016

10.7K
Real-Time Force Measurement Between Emulsion Droplets During Enzymatic Breakdown
04:56

Real-Time Force Measurement Between Emulsion Droplets During Enzymatic Breakdown

Published on: June 27, 2025

642

Area of Science:

  • Engineering
  • Physics
  • Materials Science

Background:

  • Existing mode-matching techniques for MEMS vibrating gyroscopes struggle with real-time and reliability demands.
  • Accurate mode-matching is crucial for optimal gyroscope performance and reducing errors.

Purpose of the Study:

  • To present a novel method for automatic and real-time mode-matching in MEMS vibrating gyroscopes.
  • To address the limitations of current mode-matching approaches in terms of speed and dependability.

Main Methods:

  • A phase-shifted 45° additional force demodulation (45° AFD-RM) technique is proposed.
  • This method utilizes a phase-shifted force signal and two-way demodulations to generate a mode-matching phase metric.
  • The phase metric adaptively controls tuning voltage to adjust sense-mode frequency via negative stiffness.

Main Results:

  • The 45° AFD-RM method successfully achieves real-time mode-matching.
  • Mode frequency split was consistently controlled within 0.1 Hz.
  • Significant improvements were observed in gyroscope scale factor, zero-bias instability, and angle random walk.

Conclusions:

  • The proposed 45° AFD-RM method offers an effective solution for real-time mode-matching in MEMS gyroscopes.
  • This technique enhances gyroscope accuracy and reliability, overcoming previous limitations.