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Related Concept Videos

Three-Dimensional Force System01:30

Three-Dimensional Force System

In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
One-Degree-of-Freedom System01:24

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...

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Related Experiment Video

Updated: Jul 3, 2026

Insertion of Flexible Neural Probes Using Rigid Stiffeners Attached with Biodissolvable Adhesive
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Embedded Force Sensor with Deep Transformation Calibration for Interventional Soft Robots.

Navid Masoumi, Andres C Ramos, Tannaz Torkaman

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |March 5, 2025
    PubMed
    Summary

    This study introduces a new calibration method for soft sensors using deep learning, improving force detection accuracy for sensitive surgical applications. The technique enhances precision and reduces trauma in robotic surgery.

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    Area of Science:

    • Robotics
    • Sensor Technology
    • Machine Learning

    Background:

    • Soft sensors are crucial for minimally invasive surgery, but their non-linear behavior and noise present calibration challenges.
    • Accurate force sensing is vital for precision and safety in delicate surgical procedures.

    Purpose of the Study:

    • To develop an advanced calibration method for gelatin-graphite-based soft sensors.
    • To improve the accuracy and sensitivity of force estimation in soft sensors for surgical applications.

    Main Methods:

    • Utilized convolutional deep learning approaches to model sensor non-linearity and reduce noise.
    • Implemented a calibration scheme (CQT) optimized for high performance.

    Main Results:

    • Achieved a Mean Absolute Error of less than or equal to 11.2 mN.
    • Demonstrated superior force estimation accuracy, particularly for forces below 400 mN.
    • Offered a smaller minimum detectable force compared to existing methods.

    Conclusions:

    • The proposed calibration method significantly enhances the performance of soft sensors.
    • This technology has the potential to revolutionize surgical procedures by improving precision and minimizing trauma.
    • The sensing principle and calibration method are key to advancing soft robotics in surgery.