Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Multi-input and Multi-variable systems

Multi-input and Multi-variable systems

Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...

One-Degree-of-Freedom System

One-Degree-of-Freedom System

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...

You might also read

Related Articles

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

Sort by

Same author

Vitellogenin receptor expression in ovaries controls innate immunity in the Chinese mitten crab (Eriocheir sinensis) by regulating vitellogenin accumulation in the hemolymph.

Fish & shellfish immunology·2020

Same author

Single posterior debridement, interbody fusion, and fixation on patients with continuous multivertebral lumbar spine tuberculosis (CMLSTB).

BMC musculoskeletal disorders·2020

Same author

The pseudogene URAHP promotes proliferation and regulates the pathogenesis of preeclampsia.

American journal of translational research·2020

Same author

Excited-state photophysical processes in a molecular system containing perylene bisimide and zinc porphyrin chromophores.

Physical chemistry chemical physics : PCCP·2020

Same author

Concordance of Genomic Alterations between Circulating Tumor DNA and Matched Tumor Tissue in Chinese Patients with Breast Cancer.

Journal of oncology·2020

Same author

Evidence of Rotational Fröhlich Coupling in Polaronic Trions.

Physical review letters·2020

Search research articles

Related Experiment Video

Updated: Jul 17, 2026

Combining Multiple Data Acquisition Systems to Study Corticospinal Output and Multi-segment Biomechanics

Combining Multiple Data Acquisition Systems to Study Corticospinal Output and Multi-segment Biomechanics

Published on: January 9, 2016

Towards an Integrated System for Estimating Multi-joint Movement from Diverse Sensor Data.

Xiuchuan Pan¹, Emanuel Todorov, Weiwei Li

¹department of cognitive science, university of california san diego, la jolla, ca 92093, usa xpan@cogsci.ucsd.edu.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

|February 7, 2007

Summary

This study introduces a new motion capture method using statistical inference and optimization. It accurately estimates joint angles, sensor placements, and segment sizes, even with inaccurate sensor attachment.

More Related Videos

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

Published on: May 26, 2020

Related Experiment Videos

Last Updated: Jul 17, 2026

Combining Multiple Data Acquisition Systems to Study Corticospinal Output and Multi-segment Biomechanics

Combining Multiple Data Acquisition Systems to Study Corticospinal Output and Multi-segment Biomechanics

Published on: January 9, 2016

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

Published on: May 26, 2020

Area of Science:

Biomechanics
Human motion analysis
Wearable sensor technology

Background:

Traditional motion capture methods often yield suboptimal joint angle estimates.
Existing techniques struggle with varying sensor placements and hardware compatibility.
A need exists for adaptable and statistically robust motion capture solutions.

Purpose of the Study:

To develop a novel motion capture approach addressing limitations of previous methods.
To enable simultaneous use of diverse sensor types for comprehensive data capture.
To improve accuracy and flexibility in estimating human movement parameters.

Main Methods:

Combines modern statistical inference with domain-specific optimization techniques.
Develops an algorithm capable of handling arbitrary sensor collections (markers, goniometers, gyroscopes).
Simultaneously infers time-varying joint angles, sensor placements, and segment sizes.

Main Results:

Achieves statistically optimal joint angle estimations.
Accommodates rapid and imprecise sensor attachment by inferring placements.
Provides error bars for all estimated quantities, enhancing result reliability.
Demonstrates flexibility with multi-sensor and multi-hardware integration.

Conclusions:

The proposed method offers a more robust and adaptable solution for motion capture.
It overcomes key limitations related to sensor placement and hardware specificity.
This approach enhances the accuracy and practical utility of human motion analysis.