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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...
Two-Dimensional Force System01:20

Two-Dimensional Force System

A two-dimensional system in mechanical engineering involves the analysis of motion and forces in a plane. A two-dimensional force vector can be resolved into its components as:
Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
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...
Gyroscope01:02

Gyroscope

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,...
Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...

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Related Experiment Video

Updated: May 16, 2026

A Tactile Automated Passive-Finger Stimulator (TAPS)
19:44

A Tactile Automated Passive-Finger Stimulator (TAPS)

Published on: June 3, 2009

A three-axis force sensor for dual finger haptic interfaces.

Marco Fontana1, Simone Marcheschi, Fabio Salsedo

  • 1PERCRO Laboratory, TeCIP Institute, Scuola Superiore Sant'Anna, Piazza Martiri della Libertà 33, Pisa 56127, Italy. m.fontana@sssup.it

Sensors (Basel, Switzerland)
|December 4, 2012
PubMed
Summary
This summary is machine-generated.

We developed a novel three-axis mechanical force sensor for precise closed-loop force control in haptic devices. This sensor enhances haptic hand exoskeleton performance for realistic grasping and surface exploration simulations.

More Related Videos

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
07:32

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects

Published on: September 1, 2016

Related Experiment Videos

Last Updated: May 16, 2026

A Tactile Automated Passive-Finger Stimulator (TAPS)
19:44

A Tactile Automated Passive-Finger Stimulator (TAPS)

Published on: June 3, 2009

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
07:32

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects

Published on: September 1, 2016

Area of Science:

  • Robotics and Mechanical Engineering
  • Haptic Technology
  • Sensor Design

Background:

  • Haptic devices require precise force feedback for realistic simulation.
  • Existing sensors may not meet the specific demands of multi-DOF haptic interfaces.
  • Integration challenges exist for force sensors in compact haptic systems.

Purpose of the Study:

  • To design, characterize, and test a novel three-axis mechanical force sensor.
  • To optimize the sensor for closed-loop force control in three-degrees-of-freedom haptic devices.
  • To enable realistic force simulation for grasping and surface exploration in a dual-finger haptic interface.

Main Methods:

  • Development of an analytic model for the sensor's characteristic matrix.
  • Design of a sensing spring structure tailored to application specifications.
  • Proposal and implementation of an optimal overload protection mechanism.
  • Experimental characterization and integrated testing on a haptic hand exoskeleton.

Main Results:

  • Successful design and characterization of a novel three-axis mechanical force sensor.
  • Demonstration of the sensor's suitability for integration into a dual-finger haptic interface.
  • Quantifiable improvements in controller performance when the force sensor is incorporated into a haptic hand exoskeleton.

Conclusions:

  • The novel three-axis force sensor is effective for closed-loop force control in haptic applications.
  • The sensor design and overload protection mechanism meet application-specific requirements.
  • Integration of the sensor significantly enhances the performance of haptic hand exoskeletons for tactile simulation.