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Sensors 2016, 16(12), 2147; doi:10.3390/s16122147

Design and Sensitivity Analysis Simulation of a Novel 3D Force Sensor Based on a Parallel Mechanism

Advanced Institute of Manufacturing with High-tech Innovations, and Department of Mechanical Engineering, National Chung Cheng University, Chia-Yi 621, Taiwan
Academic Editor: Stefano Mariani
Received: 16 September 2016 / Revised: 29 November 2016 / Accepted: 13 December 2016 / Published: 16 December 2016
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [1360 KB, uploaded 16 December 2016]   |  

Abstract

Automated force measurement is one of the most important technologies in realizing intelligent automation systems. However, while many methods are available for micro-force sensing, measuring large three-dimensional (3D) forces and loads remains a significant challenge. Accordingly, the present study proposes a novel 3D force sensor based on a parallel mechanism. The transformation function and sensitivity index of the proposed sensor are analytically derived. The simulation results show that the sensor has a larger effective measuring capability than traditional force sensors. Moreover, the sensor has a greater measurement sensitivity for horizontal forces than for vertical forces over most of the measurable force region. In other words, compared to traditional force sensors, the proposed sensor is more sensitive to shear forces than normal forces. View Full-Text
Keywords: 3D force sensor; parallel mechanism; sensitivity analysis 3D force sensor; parallel mechanism; sensitivity analysis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Yang, E.C.-Y. Design and Sensitivity Analysis Simulation of a Novel 3D Force Sensor Based on a Parallel Mechanism. Sensors 2016, 16, 2147.

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