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Journal articles on the topic 'Electronic pressure sensor'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Kim, Soo-Wan, Geum-Yoon Oh, Kang-In Lee, et al. "A Highly Sensitive and Flexible Capacitive Pressure Sensor Based on Alignment Airgap Dielectric." Sensors 22, no. 19 (2022): 7390. http://dx.doi.org/10.3390/s22197390.

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Flexible capacitive pressure sensors with a simple structure and low power consumption are attracting attention, owing to their wide range of applications in wearable electronic devices. However, it is difficult to manufacture pressure sensors with high sensitivity, wide detection range, and low detection limits. We developed a highly sensitive and flexible capacitive pressure sensor based on the porous Ecoflex, which has an aligned airgap structure and can be manufactured by simply using a mold and a micro-needle. The existence of precisely aligned airgap structures significantly improved the

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2

Wang, Yizhu, Huiqin Qu, and Shu Diao. "Flexible Inductance Pressure Sensor for Wearable Electronic Devices." Journal of Nanoelectronics and Optoelectronics 18, no. 6 (2023): 652–62. http://dx.doi.org/10.1166/jno.2023.3437.

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Currently, wearable devices have higher requirements for flexible sensors based on environmental adaptability. Therefore, in order to solve the problem of low sensitivity of current flexible sensors, a new type of flexible inductance pressure sensor is proposed by introducing a ferrite film with high permeability into traditional flexible sensors. The validity and practicability of this method are verified by the research. The results show that the correlation curve of theoretical prediction shows the same trend as the actual curve. Sensor A showed the highest sensitivity of 1.61 kPa−1; Under

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3

Gan, Tiantian. "Capacitive Flexible Pressure Sensors and Their Application." E3S Web of Conferences 553 (2024): 05038. http://dx.doi.org/10.1051/e3sconf/202455305038.

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Because of their importance in obtaining information from people and automatic equipment, flexible pressure sensors (FPS) have been widely used in diverse fields such as electronic skin, soft robots, consumer electronics, health monitoring, and human-computer interaction. Among all kinds of soft pressure sensors, capacitance pressure sensor is characterized by its simple construction, low cost, and stable performance. Although this type of pressure sensor is easily made, it is still a hotspot to increase the sensitivity and extend the efficiency of the system. This paper reviews the related re

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4

Mamom, Jinpitcha, Bunyong Rungroungdouyboon, Hanvedes Daovisan, and Chawakorn Sri-Ngernyuang. "Electronic Alert Signal for Early Detection of Tissue Injuries in Patients: An Innovative Pressure Sensor Mattress." Diagnostics 13, no. 1 (2023): 145. http://dx.doi.org/10.3390/diagnostics13010145.

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Monitoring the early stage of developing tissue injuries requires intact skin for surface detection of cell damage. However, electronic alert signal for early detection is limited due to the lack of accurate pressure sensors for lightly pigmented skin injuries in patients. We developed an innovative pressure sensor mattress that produces an electronic alert signal for the early detection of tissue injuries. The electronic alert signal is developed using a web and mobile application for pressure sensor mattress reporting. The mattress is based on body distributions with reference points, temper

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5

Jin, Weikan, Zhiheng Yu, Guohong Hu, Hui Zhang, Fengli Huang, and Jinmei Gu. "Effects of Three-Dimensional Circular Truncated Cone Microstructures on the Performance of Flexible Pressure Sensors." Materials 15, no. 13 (2022): 4708. http://dx.doi.org/10.3390/ma15134708.

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Three-dimensional microstructures play a key role in the fabrication of flexible electronic products. However, the development of flexible electronics is limited in further applications due to low positioning accuracy, the complex process, and low production efficiency. In this study, a novel method for fabricating three-dimensional circular truncated cone microstructures via low-frequency ultrasonic resonance printing is proposed. Simultaneously, to simplify the manufacturing process of flexible sensors, the microstructure and printed interdigital electrodes were fabricated into an integrated

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6

Zheng, Anbo, Yuxiang Qin, Xueshuo Zhang, Qing Xia, Xin Xu, and Chenxiang Bai. "Tentacled snakes-inspired flexible pressure sensor for pain sensation monitoring." Smart Materials and Structures 31, no. 4 (2022): 045004. http://dx.doi.org/10.1088/1361-665x/ac5454.

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Abstract Exploration of flexible tactile sensors with high sensitivity that can imitate the perception functions (tactile sensing and pain sensing) of human skin is the main force in the realization of electronic skin. The research of electronic skin with the function of pain perception is of great significance in the field of biomimetic robot and treatment of patients losing the pain sensation ability of their skin. Herein, to broaden the application field of traditional electronic skin, we demonstrate a biomimetic and highly sensitive tactile sensor for realization of sensory functionalities

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7

Kim, Nakung, Daegeun Yun, Injoo Hwang, Gibaek Yoon, Seong Min Kang, and Yong Whan Choi. "Crack-Based Sensor with Microstructures for Strain and Pressure Sensing." Sensors 23, no. 12 (2023): 5545. http://dx.doi.org/10.3390/s23125545.

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Recent extensive research on flexible electronics has led to the development of various flexible sensors. In particular, sensors inspired by the slit organs of a spider, which utilize cracks in a metal film to measure strain, have garnered considerable interest. This method exhibited significantly high sensitivity, repeatability, and durability in measuring strain. In this study, a thin-film crack sensor was developed using a microstructure. The results exhibited its ability to simultaneously measure the tensile force and pressure in a thin film, further expanding its applications. Furthermore

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8

Xu, Dandan, Ling Duan, Suyun Yan, et al. "Monolayer MoS2-Based Flexible and Highly Sensitive Pressure Sensor with Wide Sensing Range." Micromachines 13, no. 5 (2022): 660. http://dx.doi.org/10.3390/mi13050660.

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Flexible pressure sensors play an important role in flexible robotics, human-machine interaction (HMI), and human physiological information. However, most of the reported flexible pressure sensors suffer from a highly nonlinear response and a significant decrease in sensitivity at high pressures. Herein, we propose a flexible novel iontronic pressure sensor based on monolayer molybdenum disulfide (MoS2). Based on the unique structure and the excellent mechanical properties as well as the large intercalation capacitance of MoS2, the prepared sensor holds an ultra-high sensitivity (Smax = 89.75

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9

Chen, Wufan, Bingwei Wang, Qianbing Zhu, and Xin Yan. "Flexible Pressure Sensors with a Wide Detection Range Based on Self-Assembled Polystyrene Microspheres." Sensors 19, no. 23 (2019): 5194. http://dx.doi.org/10.3390/s19235194.

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Flexible pressure sensors are important components of electronic skin and flexible wearable devices. Most existing piezoresistive flexible pressure sensors have obtained high sensitivities, however, they have relatively small pressure detection ranges. Here, we report flexible pressure sensors with a wide detection range using polydimethylsiloxane (PDMS) as the substrate, carbon nanotube films as the electrode material, and self-assembled polystyrene microsphere film as the microstructure layer. The obtained pressure sensor had a sandwich structure, and had a wide pressure detection range (fro

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10

Pan, Jin, Shiyu Liu, Hongzhou Zhang, and Jiangang Lu. "A Flexible Temperature Sensor Array with Polyaniline/Graphene–Polyvinyl Butyral Thin Film." Sensors 19, no. 19 (2019): 4105. http://dx.doi.org/10.3390/s19194105.

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Thermal-resistance temperature sensors generally employ temperature-sensitive materials as active layers, which are always deposited on a flexible substrate to improve flexibility. Such a temperature sensor is usually integrated in wearable devices with other sensors, such as pressure sensors and stretchable sensors. In prior works, the temperature and pressure sensors are usually located in different layers in a multifunction sensor, which results in a complicated fabrication process, as well as a large thickness of devices. Meanwhile, many temperature sensors are based on large areas of non-

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11

Xiao, Yongjun, Chao Guo, Qingdong Zeng, et al. "Electret Nanogenerators for Self-Powered, Flexible Electronic Pianos." Sustainability 13, no. 8 (2021): 4142. http://dx.doi.org/10.3390/su13084142.

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Traditional electronic pianos mostly adopt a gantry type and a large number of rigid keys, and most keyboard sensors of the electronic piano require additional power supply during playing, which poses certain challenges for portable electronic products. Here, we demonstrated a fluorinated ethylene propylene (FEP)-based electret nanogenerator (ENG), and the output electrical performances of the ENG under different external pressures and frequencies were systematically characterized. At a fixed frequency of 4 Hz and force of 4 N with a matched load resistance of 200 MΩ, an output power density o

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12

Padron, Ivan, Anthony T. Fiory, and Nuggehalli M. Ravindra. "Integrated Optical and Electronic Pressure Sensor." IEEE Sensors Journal 11, no. 2 (2011): 343–50. http://dx.doi.org/10.1109/jsen.2010.2062175.

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13

Hunter, Gary W., Philip G. Neudeck, Robert S. Okojie, Glenn M. Beheim, J. A. Powell, and Liangyu Chen. "An Overview of High-Temperature Electronics and Sensor Development at NASA Glenn Research Center." Journal of Turbomachinery 125, no. 4 (2003): 658–64. http://dx.doi.org/10.1115/1.1579508.

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This paper gives a brief overview of the status of high-temperature electronics and sensor development at NASA Glenn Research Center supported in part or in whole by the Ultra Efficient Engine Technology Program. These activities contribute to the long-term development of an intelligent engine by providing information on engine conditions even in high temperature, harsh environments. The technology areas discussed are: 1) high-temperature electronics, 2) sensor technology development (pressure sensor and high-temperature electronic nose), 3) packaging of harsh environment devices and sensors,

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14

Kim, Gaeul, Chi Cuong Vu, and Jooyong Kim. "Single-Layer Pressure Textile Sensors with Woven Conductive Yarn Circuit." Applied Sciences 10, no. 8 (2020): 2877. http://dx.doi.org/10.3390/app10082877.

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Today, e-textiles have become a fundamental trend in wearable devices. Fabric pressure sensors, as a part of e-textiles, have also received much interest from many researchers all over the world. However, most of the pressure sensors are made of electronic fibers and composed of many layers, including an intermediate layer for sensing the pressure. This paper proposes the model of a single layer pressure sensor with electrodes and conductive fibers intertwined. The plan dimensions of the fabricated sensors are 14 x 14 mm, and the thickness is 0.4 mm. The whole area of the sensor is the pressur

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15

Lee, Kang-Ho, Yeong-Eun Kwon, Hyukjin Lee, et al. "Active Body Pressure Relief System with Time-of-Flight Optical Pressure Sensors for Pressure Ulcer Prevention." Sensors 19, no. 18 (2019): 3862. http://dx.doi.org/10.3390/s19183862.

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A body pressure relief system was newly developed with optical pressure sensors for pressure ulcer prevention. Unlike a conventional alternating pressure air mattress (APAM), this system automatically regulates air flow into a body supporting mattress with adaptive inflation (or deflation) duration in response to the pressure level in order to reduce skin stress due to prolonged high pressures. The system continuously quantifies the body pressure distribution using time-of-flight (ToF) optical sensors. The proposed pressure sensor, a ToF optical sensor in the air-filled cell, measures changes

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16

Kim, Sungyong, and Dae Yu Kim. "Enhanced Sensitivity of a Resistive Pressure Sensor Based on a PEDOT:PSS Thin Film on PDMS with a Random-Height Micropyramid Structure." Micromachines 15, no. 9 (2024): 1110. http://dx.doi.org/10.3390/mi15091110.

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The use of flexible pressure sensors has become increasingly widespread in a variety of applications, including wearable electronics and electronic skin. These sensors need to exhibit high sensitivity, wide detection limits, a fast response time, a linear response, and mechanical stability. In this study, we demonstrate a resistive pressure sensor based on randomly arranged micropyramid polydimethylsiloxane (PDMS) with a conductive poly(3,4-ethylenedioxythiophene): polystyrenesulfonate (PEDOT:PSS) thin film with a sensitivity of 391 kPa−1, a response time of 52.91 ms, a recovery time of 4.38 m

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17

Li, Rui, Jiahao Hu, Yalong Li, et al. "Graphene-Based, Flexible, Wearable Piezoresistive Sensors with High Sensitivity for Tiny Pressure Detection." Sensors 25, no. 2 (2025): 423. https://doi.org/10.3390/s25020423.

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Flexible, wearable, piezoresistive sensors have significant potential for applications in wearable electronics and electronic skin fields due to their simple structure and durability. Highly sensitive, flexible, piezoresistive sensors with the ability to monitor laryngeal articulatory vibration supply a new, more comfortable and versatile way to aid communication for people with speech disorders. Here, we present a piezoresistive sensor with a novel microstructure that combines insulating and conductive properties. The microstructure has insulating polystyrene (PS) microspheres sandwiched betw

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18

Zhao, Yibin, Jingyu Zhou, Chenkai Jiang, et al. "Highly Sensitive and Flexible Capacitive Pressure Sensors Combined with Porous Structure and Hole Array Using Sacrificial Templates and Laser Ablation." Polymers 16, no. 16 (2024): 2369. http://dx.doi.org/10.3390/polym16162369.

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Flexible, wearable pressure sensors offer numerous benefits, including superior sensing capabilities, a lightweight and compact design, and exceptional conformal properties, making them highly sought after in various applications including medical monitoring, human–computer interactions, and electronic skins. Because of their excellent characteristics, such as simple fabrication, low power consumption, and short response time, capacitive pressure sensors have received widespread attention. As a flexible polymer material, polydimethylsiloxane (PDMS) is widely used in the preparation of dielectr

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19

Sun, Jian, Jin Dong, Bo Shen, and Wenhua Li. "Virtual Pressure Sensor for Electronic Expansion Valve Control in a Vapor Compression Refrigeration System." Energies 13, no. 18 (2020): 4917. http://dx.doi.org/10.3390/en13184917.

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Virtual sensor technology, which uses simulation models/algorithms to calculate a value to represent an unmeasured variable or replace a directly measured reading, has attracted many studies in the heating, ventilation, air conditioning and refrigeration (HVAC&R) industry. However, most virtual sensor technologies are developed for fault detection and diagnostics (FDD) purposes, which generally compare the virtual sensor values with actual measured values to detect if any fault occurred and identify the causes that led to the fault. It is rare to see studies focus on control performance of

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20

Sarı, Ömer Alperen, and Burcu Erkmen. "Posture Performance Analysis with Multiple Pressure Sensors." Orclever Proceedings of Research and Development 5, no. 1 (2024): 55–67. https://doi.org/10.56038/oprd.v5i1.502.

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This paper aims to analyze in detail the postural performance of individuals using a mat equipped with multiple pressure sensors. By collecting foot pressure data, processing and analyzing these data with artificial intelligence algorithms, imbalances in the weight distribution and posture type of individuals will be detected. The study aims to provide a new method in the field of posture performance assessment and improvement. The use of multi-sensor data aims to provide more precise and reliable results than traditional analysis methods and to fill the gaps in the literature. The pressure se

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21

Jiang, Chenkai, and Bin Sheng. "Linear Capacitive Pressure Sensor with Gradient Architecture through Laser Ablation on MWCNT/Ecoflex Film." Polymers 16, no. 7 (2024): 962. http://dx.doi.org/10.3390/polym16070962.

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The practical application of flexible pressure sensors, including electronic skins, wearable devices, human–machine interaction, etc., has attracted widespread attention. However, the linear response range of pressure sensors remains an issue. Ecoflex, as a silicone rubber, is a common material for flexible pressure sensors. Herein, we have innovatively designed and fabricated a pressure sensor with a gradient micro-cone architecture generated by CO2 laser ablation of MWCNT/Ecoflex dielectric layer film. In cooperation with the gradient micro-cone architecture and a dielectric layer of MWCNT/E

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22

Song, Chenyu. "Flexible Capacitive Pressure Sensors and Approaches to Enhance Sensitivity." Highlights in Science, Engineering and Technology 44 (April 13, 2023): 41–48. http://dx.doi.org/10.54097/hset.v44i.7191.

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Many research groups have become interested in the flexible capacitive pressure sensor in recent years. It has many applications, such as electronic skin and fingerprint collection devices. One of the challenges is optimizing the sensor's design, which can be achieved by improving its sensitivity. The flexible capacitive pressure sensor outperforms other pressure sensors in terms of efficiency, response time, and cost. In the future, more applications will use the flexible capacitive pressure sensor as the component. Thus, improving its sensitivity becomes significant. The topic of this review

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23

Zhang, Meng, Chengjie Qiu, Jianxiang Wang, et al. "A Soft Capacitive Pressure Sensor Based on a Liquid Dielectric Layer." Sensors 25, no. 9 (2025): 2700. https://doi.org/10.3390/s25092700.

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Soft electronic technology has broad application prospects in biomedical and wearable devices, among others, due to its flexibility, lightweight nature, and biocompatibility. Although various materials and structures have been proposed for pressure sensors based on soft electronic technology, most studies focus on a specific function with fixed sensitivity, lacking tunability to expand the operational range. In this work, we demonstrated a low-cost polydimethylsiloxane (PDMS)-based pressure sensor that can be easily fabricated by laser ablation and mature PDMS fabrication technology. We then e

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24

Duan, Yanhao, Shixue He, Jian Wu, Benlong Su, and Youshan Wang. "Recent Progress in Flexible Pressure Sensor Arrays." Nanomaterials 12, no. 14 (2022): 2495. http://dx.doi.org/10.3390/nano12142495.

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Flexible pressure sensors that can maintain their pressure sensing ability with arbitrary deformation play an essential role in a wide range of applications, such as aerospace, prosthetics, robotics, healthcare, human–machine interfaces, and electronic skin. Flexible pressure sensors with diverse conversion principles and structural designs have been extensively studied. At present, with the development of 5G and the Internet of Things, there is a huge demand for flexible pressure sensor arrays with high resolution and sensitivity. Herein, we present a brief description of the present flexible

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25

Cao, Chong, Chengchun Zhang, Chun Shen, et al. "Detection of Positive and Negative Pressure in a Double-Chamber Underwater Thruster." Micromachines 16, no. 5 (2025): 526. https://doi.org/10.3390/mi16050526.

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The aim of this paper is to develop a compact, rapid-response pressure sensor for underwater propulsion. Flexible pressure sensors are widely utilized in human–computer interactions and wearable electronic devices; however, manufacturing capacitive sensors that offer a broad pressure range and high sensitivity presents significant challenges. Inspired by the dermal papillary microstructure, a capacitive pressure sensor was prepared by infusing polydimethylsiloxane (PDMS) inside an anodic aluminum oxide (AAO) template and then demolding it. The resulting pressure sensor exhibits several key cha

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26

Ramalingame, Rajarajan, Amoog Lakshmanan, Florian Müller, Ulrike Thomas, and Olfa Kanoun. "Highly sensitive capacitive pressure sensors for robotic applications based on carbon nanotubes and PDMS polymer nanocomposite." Journal of Sensors and Sensor Systems 8, no. 1 (2019): 87–94. http://dx.doi.org/10.5194/jsss-8-87-2019.

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Abstract. Flexible tactile pressure sensor arrays based on multiwalled carbon nanotubes (MWCNT) and polydimethylsiloxane (PDMS) are gaining importance, especially in the field of robotics because of the high demand for stable, flexible and sensitive sensors. Some existing concepts of pressure sensors based on nanocomposites exhibit complicated fabrication techniques and better sensitivity than the conventional pressure sensors. In this article, we propose a nanocomposite-based pressure sensor that exhibits a high sensitivity of 25 % N−1, starting with a minimum load range of 0–0.01 N and 46.8

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27

Yang, Weidong, Wenxuan Ding, Menglong Liu, Jun Yang, and Mao Li. "A theoretical model of a flexible capacitive pressure sensor with microstructured electrodes for highly sensitive electronic skin." Journal of Physics D: Applied Physics 55, no. 9 (2021): 094001. http://dx.doi.org/10.1088/1361-6463/ac34a9.

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Abstract Electronic skin (e-skin) has attracted much attention in smart wearables, prosthetics, and robotics. Capacitive-type pressure sensors are generally regarded as a good option for designing tactile sensing devices owing to their superior sensitivity in low-pressure regions, fast response time, and convenient manufacturing. Introducing microstructures on the electrode surface is an effective approach to achieve highly sensitive capacitive pressure sensors. In this work, an electromechanical model is proposed to build the relationship between capacitance change and compressive force. The

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28

Kurnaz, Sedat, Ozgür Ozturk, Ali Hazar Mehmet, Utku Guduloglu, Nurdane Yilmaz, and Osman Cicek. "Flexible capacitive and piezoresistive pressure sensors based on screen-printed parylene C/polyurethane composites in low-pressure range." Flexible and Printed Electronics 8, no. 3 (2023): 035015. http://dx.doi.org/10.1088/2058-8585/acf774.

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Abstract The use of polymers to fabricate flexible pressure sensors as an alternative to conventional pressure sensors has led to the development of physiological monitoring of human body and the electronic skin. In particular, the fabrication of flexible capacitive and piezoresistive sensors using a variety of materials and the investigation of their electromechanical properties are further developments in these fields. Herein, parylene C is synthesized via chemical vapor deposition method. Pressure-sensitive inks are prepared with a composite of parylene C, polyurethane, polymethylmethacryla

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29

Curry, Eli J., Kai Ke, Meysam T. Chorsi, et al. "Biodegradable Piezoelectric Force Sensor." Proceedings of the National Academy of Sciences 115, no. 5 (2018): 909–14. http://dx.doi.org/10.1073/pnas.1710874115.

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Measuring vital physiological pressures is important for monitoring health status, preventing the buildup of dangerous internal forces in impaired organs, and enabling novel approaches of using mechanical stimulation for tissue regeneration. Pressure sensors are often required to be implanted and directly integrated with native soft biological systems. Therefore, the devices should be flexible and at the same time biodegradable to avoid invasive removal surgery that can damage directly interfaced tissues. Despite recent achievements in degradable electronic devices, there is still a tremendous

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Janardhanan, Shankaran, Joan Z. Delalic, Jeffrey Catchmark, and Dharanipal Saini. "Development of Biocompatible MEMS Wireless Capacitive Pressure Sensor." Journal of Microelectronics and Electronic Packaging 2, no. 4 (2005): 287–96. http://dx.doi.org/10.4071/1551-4897-2.4.287.

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The objective of this research was to develop a wireless pressure sensor useful for monitoring bladder pressure. The wireless sensor consists of an active capacitive element and an inductor coil. The changes in pressure are related to the changes in the resonant frequency of the internal sensor. The existing pressure sensors have inductors formed on both sides of the substrate. The changes in internal capacitance of these sensors are related to the changes in pressure by impedance matching of the internal LC circuit. The deviation in bladder pressure is an important variable in evaluating the

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31

Cheng, Lixia, Renxin Wang, Xiaojian Hao, and Guochang Liu. "Design of Flexible Pressure Sensor Based on Conical Microstructure PDMS-Bilayer Graphene." Sensors 21, no. 1 (2021): 289. http://dx.doi.org/10.3390/s21010289.

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As a new material, graphene shows excellent properties in mechanics, electricity, optics, and so on, which makes it widely concerned by people. At present, it is difficult for graphene pressure sensor to meet both high sensitivity and large pressure detection range at the same time. Therefore, it is highly desirable to produce flexible pressure sensors with sufficient sensitivity in a wide working range and with simple process. Herein, a relatively high flexible pressure sensor based on piezoresistivity is presented by combining the conical microstructure polydimethylsiloxane (PDMS) with bilay

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Lu, Yao, Xinyu Qu, Wen Zhao, et al. "Highly Stretchable, Elastic, and Sensitive MXene-Based Hydrogel for Flexible Strain and Pressure Sensors." Research 2020 (July 14, 2020): 1–13. http://dx.doi.org/10.34133/2020/2038560.

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Electronic skin is driving the next generation of cutting-edge wearable electronic products due to its good wearability and high accuracy of information acquisition. However, it remains a challenge to fulfill the requirements on detecting full-range human activities with existing flexible strain sensors. Herein, highly stretchable, sensitive, and multifunctional flexible strain sensors based on MXene- (Ti3C2Tx-) composited poly(vinyl alcohol)/polyvinyl pyrrolidone double-network hydrogels were prepared. The uniformly distributed hydrophilic MXene nanosheets formed a three-dimensional conductiv

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Sun, Shouheng, Zhenqin Wang, and Yuting Wang. "Progress in Microtopography Optimization of Polymers-Based Pressure/Strain Sensors." Polymers 15, no. 3 (2023): 764. http://dx.doi.org/10.3390/polym15030764.

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Due to the wide application of wearable electronic devices in daily life, research into flexible electronics has become very attractive. Recently, various polymer-based sensors have emerged with great sensing performance and excellent extensibility. It is well known that different structural designs each confer their own unique, great impacts on the properties of materials. For polymer-based pressure/strain sensors, different structural designs determine different response-sensing mechanisms, thus showing their unique advantages and characteristics. This paper mainly focuses on polymer-based p

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34

Cheng, Xiao, Fan Zhang, and Wentao Dong. "Soft Conductive Hydrogel-Based Electronic Skin for Robot Finger Grasping Manipulation." Polymers 14, no. 19 (2022): 3930. http://dx.doi.org/10.3390/polym14193930.

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Electronic skin with human-like sensory capabilities has been widely applied to artificial intelligence, biomedical engineering, and the prosthetic hand for expanding the sensing ability of robots. Robotic electronic skin (RES) based on conductive hydrogel is developed to collect strain and pressure data for improving the grasping capability of the robot finger. RES is fabricated and assembled by the soft functional materials through a sol–gel process for guaranteeing the overall softness. The strain sensor based on piezoresistive hydrogel (gauge factor ~9.98) is integrated onto the back surfa

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Chen, YuanYuan, RuiJie Xie, BingHua Zou, et al. "CNT@leather-based electronic bidirectional pressure sensor." Science China Technological Sciences 63, no. 10 (2020): 2137–46. http://dx.doi.org/10.1007/s11431-019-1502-7.

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Lin, Keng-Yu, Arturo Gamboa-Gonzalez, and Michael Wehner. "Soft Robotic Sensing, Proprioception via Cable and Microfluidic Transmission." Electronics 10, no. 24 (2021): 3166. http://dx.doi.org/10.3390/electronics10243166.

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Current challenges in soft robotics include sensing and state awareness. Modern soft robotic systems require many more sensors than traditional robots to estimate pose and contact forces. Existing soft sensors include resistive, conductive, optical, and capacitive sensing, with each sensor requiring electronic circuitry and connection to a dedicated line to a data acquisition system, creating a rapidly increasing burden as the number of sensors increases. We demonstrate a network of fiber-based displacement sensors to measure robot state (bend, twist, elongation) and two microfluidic pressure

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Luo, Miao, Yumeng Zhang, Yuxiang Luo, and Jiangang Lu. "A Tension/Pressure Integrated Resistive Sensor Comprising of a PDMS-LC-MWCNT Composite." Sensors 21, no. 18 (2021): 6078. http://dx.doi.org/10.3390/s21186078.

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A flexible strain sensor which integrates both pressure sensing and tension sensing functions is demonstrated with an active layer comprising of polydimethy-lsiloxane (PDMS) elastomer, liquid crystal (LC), and multi-walled carbon nanotubes (MWCNTs). The introduction of LC improves the agglomeration of MWCNTs in PDMS and decreases Young’s modulus of flexible resistive sensors. The tension/pressure integrated resistive sensor not only shows a broad tensile sensing range of 140% strain but also shows a good sensitivity of the gauge factor, 40, with tensile force. Besides, the tension/pressure int

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Zhang, Lunjia, Meng Gao, Ronghang Wang, Zhongshan Deng, and Lin Gui. "Stretchable Pressure Sensor with Leakage-Free Liquid-Metal Electrodes." Sensors 19, no. 6 (2019): 1316. http://dx.doi.org/10.3390/s19061316.

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Nowadays, with the development of wearable devices, stretchable pressure sensors have been widely adopted in all kinds of areas. Most of the sensors aim to detect small pressure, such as fingertip tactile sensing, but only a few are focused on high-pressure sensing, such as foot pressure sensing during men’s walking. In this work, a liquid metal-based stretchable sensor for large-pressure measurement is investigated. This sensor is fully stretchable because it is made of soft materials. However, when the soft sensor is subjected to high pressure, the liquid metal easily leaks from microchannel

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Abdellatif, Sameh O., Afaf Moustafa, Ahmed Khalid, and Rami Ghannam. "Integration of Capacitive Pressure Sensor-on-Chip with Lead-Free Perovskite Solar Cells for Continuous Health Monitoring." Micromachines 14, no. 9 (2023): 1676. http://dx.doi.org/10.3390/mi14091676.

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The increasing prevalence of hypertension necessitates continuous blood pressure monitoring. This can be safely and painlessly achieved using non-invasive wearable electronic devices. However, the integration of analog, digital, and power electronics into a single system poses significant challenges. Therefore, we demonstrated a comprehensive multi-scale simulation of a sensor-on-chip that was based on a capacitive pressure sensor. Two analog interfacing circuits were proposed for a full-scale operation ranging from 0 V to 5 V, enabling efficient digital data processing. We also demonstrated t

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Zou, Ruijie. "Advances in the Study of Three-Dimensional Nanomaterials in Flexible Piezoresistive Sensors (FPS)." Highlights in Science, Engineering and Technology 73 (November 29, 2023): 215–24. http://dx.doi.org/10.54097/hset.v73i.12975.

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Due to the exponential growth of flexible pressure sensors that are used in electronic skin, wearable electronics, artificial intelligence, and other related fields, it has become important to study and create high-performance pressure sensors with high sensitivity, a low detection threshold, and a wide range of sensing capabilities. Flexible piezoresistive sensors are notable in the realm of pressure sensors for their straightforward fabrication technique and exceptional ability to conform to various environmental conditions. Conversely, there has been a change in attention towards the enhanc

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Li, Jiayi, Shangbi Chen, Jingyu Zhou, et al. "Flexible BaTiO3-PDMS Capacitive Pressure Sensor of High Sensitivity with Gradient Micro-Structure by Laser Engraving and Molding." Polymers 15, no. 15 (2023): 3292. http://dx.doi.org/10.3390/polym15153292.

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The significant potential of flexible sensors in various fields such as human health, soft robotics, human–machine interaction, and electronic skin has garnered considerable attention. Capacitive pressure sensor is popular given their mechanical flexibility, high sensitivity, and signal stability. Enhancing the performance of capacitive sensors can be achieved through the utilization of gradient structures and high dielectric constant media. This study introduced a novel dielectric layer, employing the BaTiO3-PDMS material with a gradient micro-cones architecture (GMCA). The capacitive sensor

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Szczerba, Zygmunt, Piotr Szczerba, Kamil Szczerba, and Krzysztof Pytel. "Acceleration-Insensitive Pressure Sensor for Aerodynamic Analysis." Energies 16, no. 7 (2023): 3040. http://dx.doi.org/10.3390/en16073040.

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This paper presents a method for preparing a pressure sensor that is insensitive to acceleration along with experimental evidence of its efficacy in aerodynamic analysis. A literature review and preliminary studies revealed the undesirable effect of acceleration on sensors that are located on moving elements, as evidenced by deviations from actual pressure values for piezoresistive pressure sensors that are made using MEMS technology. To address this, the authors developed a double-membrane sensor geometry that eliminated this imperfection; a method of implementing two solo pressure sensors as

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Geng, Xingguang, Su Liu, Yitao Zhang, et al. "Adjacent Channel Interference Modeling of Single Vibration Point on Multichannel Dynamic Pressure Sensors." Journal of Sensors 2020 (February 12, 2020): 1–8. http://dx.doi.org/10.1155/2020/1953506.

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Pulse waves of a radial artery under different pressures applied through a cuff play an important role in disease diagnosis, especially in traditional chinese medicine (TCM). Pulse waves could be collected by a pressure sensor array affixed to an inflatable cuff. During a process of collecting pulse waves, one sensor of a sensor array moves up and down when the sensor is shocked by a pulse wave. Movement of the sensor leads to the passive displacement of other nearby sensors because of a connecting structure between them. Then, vibration signals will be generated by the nearby sensors although

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Lai, Qin-Teng, Qi-Jun Sun, Zhenhua Tang, Xin-Gui Tang, and Xin-Hua Zhao. "Conjugated Polymer-Based Nanocomposites for Pressure Sensors." Molecules 28, no. 4 (2023): 1627. http://dx.doi.org/10.3390/molecules28041627.

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Flexible sensors are the essential foundations of pressure sensing, microcomputer sensing systems, and wearable devices. The flexible tactile sensor can sense stimuli by converting external forces into electrical signals. The electrical signals are transmitted to a computer processing system for analysis, realizing real-time health monitoring and human motion detection. According to the working mechanism, tactile sensors are mainly divided into four types—piezoresistive, capacitive, piezoelectric, and triboelectric tactile sensors. Conventional silicon-based tactile sensors are often inadequat

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Kolaczyk, Keith, and Hao Jiang. "Photometric Monitoring of Electronic Cigarette Puff Topography." Sensors 23, no. 19 (2023): 8220. http://dx.doi.org/10.3390/s23198220.

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To study and monitor the adverse health consequences of using electronic cigarettes, a user’s puff topography, which are quantification parameters of the user’s vaping habits, plays a central role. In this work, we introduce a topography sensor to measure the mass of total particulate matter generated in every puff and to estimate the nicotine yield. The sensor is compact and low-cost, and is integrated into the electronic cigarette device to promptly and conveniently monitor the user’s daily puff topography. The topography sensor is comprised of a photometric sensor and a pressure sensor. The

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Gao, Rui, Wenjun Zhang, Junmin Jing, et al. "Design, Fabrication, and Dynamic Environmental Test of a Piezoresistive Pressure Sensor." Micromachines 13, no. 7 (2022): 1142. http://dx.doi.org/10.3390/mi13071142.

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Microelectromechanical system (MEMS) pressure sensors have a wide range of applications based on the advantages of mature technology and easy integration. Among them, piezoresistive sensors have attracted great attention with the advantage of simple back-end processing circuits. However, less research has been reported on the performance of piezoresistive pressure sensors in dynamic environments, especially considering the vibrations and shocks frequently encountered during the application of the sensors. To address these issues, this paper proposes a design method for a MEMS piezoresistive pr

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Lee, Sang Sik, Ki Young Shin, and Joung H. Mun. "Development of an Algorithm for a PZT Ceramic Foot Pressure Sensor." Key Engineering Materials 321-323 (October 2006): 1111–14. http://dx.doi.org/10.4028/www.scientific.net/kem.321-323.1111.

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Currently available foot pressure sensors (FPS), which usually include a capacitive sensor and a piezoresistive sensor, tend to exhibit characteristically slow response times. Therefore, we used PZT (lead zirconate-titanate) ceramic in this study, as it responds more quickly than the currently-used materials. We have developed an algorithm which can be applied to the PZT ceramic-based measurement of foot pressure. This algorithm was also verified in experiments. In this study, we fabricated the electronic circuits and a sensor on the basis of the newly-developed algorithm, and then verified th

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Nadezhdin, Igor S., and Aleksey G. Goryunov. "Single-chip solution for electronics unit of a smart pressure sensor." Sensor Review 40, no. 5 (2020): 529–34. http://dx.doi.org/10.1108/sr-10-2019-0253.

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Purpose Differential pressure is an important technological parameter, one urgent task of which is control and measurement. To date, the lion’s share of research in this area has focused on the development and improvement of differential pressure sensors. The purpose of this paper is to develop a smart differential pressure sensor with improved operational and metrological characteristics. Design/methodology/approach The operating principle of the developed pressure sensor is based on the capacitive measurement principle. The measuring unit of the developed pressure sensor is based on a differ

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Wang, Fei, and Xiaoming Tao. "Carbon/Silicone Nanocomposite-Enabled Soft Pressure Sensors with a Liquid-Filled Cell Structure Design for Low Pressure Measurement." Sensors 21, no. 14 (2021): 4732. http://dx.doi.org/10.3390/s21144732.

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In the fields of humanoid robots, soft robotics, and wearable electronics, the development of artificial skins entails pressure sensors that are low in modulus, high in sensitivity, and minimal in hysteresis. However, few sensors in the literature can meet all the three requirements, especially in the low pressure range (<10 kPa). This article presents a design for such pressure sensors. The bioinspired liquid-filled cell-type structural design endows the sensor with appropriate softness (Young’s modulus < 230 kPa) and high sensitivity (highest at 0.7 kPa−1) to compression forces below 0

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Vollberg, Dennis, Dennis Wachter, Thomas Kuberczyk, and Günter Schultes. "Cylinder pressure sensors for smart combustion control." Journal of Sensors and Sensor Systems 8, no. 1 (2019): 75–85. http://dx.doi.org/10.5194/jsss-8-75-2019.

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Abstract. Different sensor concepts for time-resolved cylinder pressure monitoring of combustion engines are realized and evaluated in this paper. We distinguish a non-intrusive form of measurement outside the cylinder, performed by means of a force compression rod from intrusive, real in-cylinder measurement by means of pressure membrane sensors being exposed to the hot combustion process. The force compression rod has the shape of a sine wave with thinner zones equipped with highly sensitive foil strain gauges that experience a relatively moderate temperature level of 120 ∘C. The sensor rod

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