Three-Axis Capacitive Sensor Arrays for Local and Global Shear Force Detection

Fernandes, Jayer; Chen, Jiangang; Jiang, Hongrui

doi:10.1109/jmems.2021.3101735

Cited by 23 publications

(7 citation statements)

References 43 publications

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“…This type of sensor can provide comprehensive and accurate mechanical information that equals to or even exceeds human tactility (1,2). Meanwhile, recognition of multipoint pressure distribution by sensor array allows us to obtain a complete pressure interaction profile (3)(4)(5), and complemented by artificial intelligence and data analytics, researchers already show the feasibility of more intelligent sensing functions such as grasping recognition (6)(7)(8) and slip detection (2,9). In addition, the thin and lightweight sensor form is also essential, as this contributes to the feasibility and flexibility of system-level integration (10)(11)(12).…”

Section: Introductionmentioning

confidence: 99%

An optical-based multipoint 3-axis pressure sensor with a flexible thin-film form

Wang,

Kim

et al. 2023

Sci. Adv.

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Multipoint 3-axis tactile pressure sensing by a high-resolution and sensitive optical system provides rich information on surface pressure distribution and plays an important role in a variety of human interaction–related and robotics applications. However, the optical system usually has a bulky profile, which brings difficulties to sensor mounting and system integration. Here, we show a construction of thin-film and flexible multipoint 3-axis pressure sensor by optical methods. The sensor can detect the distribution of 3-axis pressure on an area of 3 centimeter by 4 centimeter, with a high-accuracy normal and tangential pressure sensing up to 360 and 100 kilopascal, respectively. A porous rubber is used as a 3-axis pressure-sensitive optical modulator to omit the thick and rigid focusing system without sacrificing the sensitivity. In addition, by integrating thin and flexible backlight and imager, the sensor has a total thickness of 1.5 milimeter, making it function properly even when bent to a radius of 18 milimeter.

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Section: Introductionmentioning

confidence: 99%

An optical-based multipoint 3-axis pressure sensor with a flexible thin-film form

Wang,

Kim

et al. 2023

Sci. Adv.

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“…Tactile sensors can play a major role in providing force feedback from surgical instruments to the surgeon. The working of tactile force sensors, presented in the literature, is based on different transduction mechanisms including capacitive [10], [11], piezoresistive [12], [13], piezoelectric [14], [15], magnetic [16], [17], and optical [18], [19]. The capacitive tactile force sensors allow to achieve high sensitivity and resolution but are easily susceptible to parasitic capacitance and noise from nearby equipment and materials.…”

Section: Introductionmentioning

confidence: 99%

Design and Characterization of Three-Axis High-Range Inductive Tactile Force Sensor Utilizing Magnetorheological Elastomer for Robotic Surgical Applications

et al. 2023

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“…[18] The triaxial force sensors have been prepared based on different sensing mechanisms, mainly including of piezoelectric, [19] piezoresistive, [20,21] and capacitive. [22,23] Piezoresistive strain gauge triaxial force sensors have been widely studied due to good stability and sensitivity. [24,25] However, the limitations of rigid silicon and complicated fabrication process hinder its application in largearea production and curved surface.…”

Section: Introductionmentioning

confidence: 99%

Force Sensing and Feedback System Based on Novel Triaxial Force Capacitive Sensor for Minimally Invasive Surgical Robot

Zhang

et al. 2023

Advanced Sensor Research

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Minimally invasive surgery has attracted great attention due to small trauma, light pain, and quick recovery. Currently, most minimally invasive surgical robots lack the ability to force sense, resulting in high risks. Herein, a novel minimally invasive surgical force sensing and feedback system for minimally invasive surgical robot is proposed based on a flexible triaxial force capacitive sensor array. The capacitive force sensors utilize a microstructure electrode and orthogonal triangular pyramid microstructure to tackle the trade‐off between high sensitivity and wide‐detection range, showing 0–3 N detection range for normal force and high sensitivity of 69.19% N−1. Furthermore, the triaxial capacitive force sensors are integrated into the end‐effector of the minimally invasive surgical robot to form the minimally invasive surgical force sensing system. The system can show real‐time position of gripping or touching action, and the magnitude of triaxial force on the display surface. Importantly, the sensing force can further control the movement of the clamp, thus forming a novel force sensing and feedback system. The force sensing and feedback system of this minimally invasive surgical robot lays the foundation for its application in minimally invasive surgery andis expected to improve the safety and success of robotic‐assisted minimally invasive surgery.

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Three-Axis Capacitive Sensor Arrays for Local and Global Shear Force Detection

Cited by 23 publications

References 43 publications

An optical-based multipoint 3-axis pressure sensor with a flexible thin-film form

An optical-based multipoint 3-axis pressure sensor with a flexible thin-film form

Design and Characterization of Three-Axis High-Range Inductive Tactile Force Sensor Utilizing Magnetorheological Elastomer for Robotic Surgical Applications

Force Sensing and Feedback System Based on Novel Triaxial Force Capacitive Sensor for Minimally Invasive Surgical Robot

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