Article
Physics, Applied
Yucheng Chen, Peng Zhang, Yuxia Li, Kun Zhang, Jinpeng Su, Liangsong Huang
Summary: A flexible capacitive pressure sensor based on micro-structured electrode has been developed, showing high sensitivity and good stability, suitable for applications in healthcare and smart services. By optimizing the size of the electrode microstructure, the sensor can achieve a sensitivity of 1.3 kPa(-1) in different pressure ranges. Assembled in arrays, the sensor can be used to monitor arterial pulse waves and breathing, proving its applicability in complex scenarios.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2021)
Article
Engineering, Electrical & Electronic
Xuefeng Zhang, Dongrui Dang, Songlin Su, Zhengdong Wang, Zhixue Tong
Summary: Using plant leaves as templates, a flexible capacitive pressure sensor with microstructured dielectric layer and electrodes was developed through a simple and convenient method. The sensor exhibits high sensitivity, fast response time, good durability, and a wide detection range. Experimental results demonstrate the potential applications of the sensor in monitoring tactile pressure signals and human movements.
IEEE SENSORS JOURNAL
(2023)
Article
Engineering, Electrical & Electronic
Xiaofeng Yang, Si Chen, Yijun Shi, Zhiwei Fu, Bin Zhou
Summary: A highly flexible, sensitive and capacitive pressure sensor based on a porous ionic membrane has been developed, with improved sensitivity and detectable pressure range by enhancing the deformability of the elastomer dielectric layer with micro-pores. The sensor provides high sensitivity and rapid dynamic responses, is insensitive to bending deformation, stable in low temperature range, and capable of measuring spatial pressure distribution and magnitude.
SENSORS AND ACTUATORS A-PHYSICAL
(2021)
Article
Engineering, Electrical & Electronic
Shaojie Cao, Ruiqing Li, Mahyar Panahi-Sarmad, Tianjiao Chen, Xueliang Xiao
Summary: This article introduces a simple and low-cost method for preparing highly sensitive capacitive pressure sensors, and illustrates the advantages and characteristics of the sensors. Controlling the microstructure of the sensor by changing templates can achieve excellent sensing performance. The sensor has a wide range of applications.
IEEE SENSORS JOURNAL
(2022)
Article
Engineering, Electrical & Electronic
Xueyang Liu, Chuanliang Li, Zhentao Wang, Yifeng Li, Jianqiu Huang, Huiyang Yu
Summary: This paper presents flexible pressure sensors based on 3D printing technology, with a sandwich structure design and a hollow prism structure pressure sensitive layer. Experimental synthesis of three kinds of flexible composite dielectrics demonstrated that the sensor with PDMS doping both BaTiO3 and CNTs showed the highest sensitivity, 1.3 times that of the reference sensor, indicating that fabricating composite dielectrics in this way has the potential to improve device performance.
IEEE SENSORS JOURNAL
(2021)
Article
Engineering, Electrical & Electronic
Chengyao Xu, Deqing Mei, Lingfeng Zhu, Yancheng Wang
Summary: Flexible pressure sensors have numerous applications in intelligent robotics, human-machine interfaces, and health monitoring. The use of standing surface acoustic waves can facilitate the fabrication of microstructures in the dielectric layer, resulting in improved performance and sensitivity of the sensor array.
SENSORS AND ACTUATORS A-PHYSICAL
(2022)
Review
Chemistry, Multidisciplinary
Min Su, Pei Li, Xueqin Liu, Dapeng Wei, Jun Yang
Summary: This paper provides a comprehensive review of recent developments in textile-based flexible capacitive pressure sensors, including sandwich structures, yarn structures, and in-plane structures. It discusses the influences of different device structures on performance and summarizes the applications of textile-based sensors in human wearable devices, robotic sensing, and human-machine interaction. The paper also highlights evolutionary trends, future directions, and challenges.
Article
Materials Science, Multidisciplinary
Feifei Wang, Youhong Tan, Haiyi Peng, Fancheng Meng, Xiaogang Yao
Summary: This study successfully fabricated a flexible capacitive pressure sensor with high sensitivity, stability, and fast response time, showing excellent human compatibility and promising application prospects in wearable electronics.
Article
Engineering, Electrical & Electronic
Ruiqing Li, Qun Zhou, Yin Bi, Shaojie Cao, Xue Xia, Aolin Yang, Siming Li, Xueliang Xiao
Summary: This paper reviews a large number of research outputs on sensitivity improvement of flexible capacitive pressure sensors and discusses methods and trends for enhancing the sensitivity of pressure sensors.
SENSORS AND ACTUATORS A-PHYSICAL
(2021)
Article
Biotechnology & Applied Microbiology
Luyu Lv, Tianxiang Liu, Ting Jiang, Jiamin Li, Jie Zhang, Qihui Zhou, Rajendra Dhakal, Xiao Li, Yuanyue Li, Zhao Yao
Summary: A highly sensitive flexible pressure sensor was created using a dielectric layer with pyramid microstructures. The sensor exhibits remarkable sensitivity, response time, recovery time, and low detection limit, along with exceptional stability and reproducibility. It can be used for monitoring physiological signals, sign language gestures, and vertical mechanical force, as well as accurately mapping the shape and position of objects. This pressure sensor with advanced performance has broad potential in electronic skin applications.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Jingxia Huang, Xiaobin Tang, Feng Wang, Zehuan Wang, Yujuan Niu, Hong Wang
Summary: In this study, a capacitive pressure sensor based on PVDF/rGO multilayer films with multi-hierarchical microstructures is designed and constructed to improve linearity. By optimizing the microstructure and roughness, the sensor achieves excellent performance in terms of sensitivity, limit of detection, response time, and stability.
ADVANCED ENGINEERING MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Ruzhan Qin, Mingjun Hu, Xin Li, Te Liang, Haoyi Tan, Jinzhang Liu, Guangcun Shan
Summary: This study presents a new strategy for fabricating a high-performance capacitive pressure sensor based on MXene/polyvinylpyrrolidone, utilizing interdigital electrodes to enhance sensitivity. The capacitive sensor exhibits high sensitivity, low detection limit, wide sensing range, fast response and recovery times, and good mechanical stability. It shows promising application prospects in flexible sensors and wearable electronics.
MICROSYSTEMS & NANOENGINEERING
(2021)
Article
Engineering, Electrical & Electronic
Dau Thi Ngoc Nga, Giorgio Mattana, Vu Thi Thu, Ronan Roussel, Benoit Piro
Summary: In this study, a conformable capacitive pressure sensor was fabricated by inkjet-printing silver electrodes onto polyimide foils. The sensor was used in a commercial dressing to reduce ischemia risk and monitor ankle movement and foot pressure.
SENSORS AND ACTUATORS A-PHYSICAL
(2022)
Article
Nanoscience & Nanotechnology
Mohd Farman, Rahul Prajesh, Anand Kumar Upadhyay, Prem Kumar, Eshwar Thouti
Summary: A novel approach for highly flexible capacitive pressure sensors with stable interfaces is proposed. These sensors have high sensitivity, low hysteresis, and high stability for large pressures, making them suitable for electronic skin applications. The sensors are capable of wide pressure sensing range and can be used for arterial pulse signal acquisition and pressure task execution. Additionally, a flexible pressure sensor matrix of 4x4 pixels is developed for single-point and multipoint pressure sensing.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Materials Science, Multidisciplinary
Dongguang Zhang, Xinxin Wang, Yali Wu, Honglie Song, Zhen Ma, Xunying Zhang, Xiaofeng Yang, Ruizhe Xing, Yang Li, Jiayi Yang
Summary: Flexible capacitive stress sensors are important for various applications, but the invariance of dielectric materials' elastic modulus can pose challenges to sensitivity and measurement limits. To address this issue, a sensor based on passive particle jamming variable stiffness material is proposed, which can achieve high sensitivity and large measurement range.
ADVANCED MATERIALS TECHNOLOGIES
(2021)
Article
Chemistry, Multidisciplinary
Yao Chu, Junwen Zhong, Huiliang Liu, Yuan Ma, Nathaniel Liu, Yu Song, Jiaming Liang, Zhichun Shao, Yu Sun, Ying Dong, Xiaohao Wang, Liwei Lin
ADVANCED FUNCTIONAL MATERIALS
(2018)
Article
Chemistry, Multidisciplinary
Xining Zang, Wenshu Chen, Xiaolong Zou, J. Nathan Hohman, Lujie Yang, Buxuan Li, Minsong Wei, Chenhui Zhu, Jiaming Liang, Mohan Sanghadasa, Jiajun Gu, Liwei Lin
ADVANCED MATERIALS
(2018)
Article
Chemistry, Multidisciplinary
Yichuan Wu, Qiyang Huang, Jing Nie, Jiaming Liang, Nirav Joshi, Takeshi Hayasaka, Shilong Zhao, Min Zhang, Xiaohao Wang, Liwei Lin
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
(2019)
Article
Robotics
Yichuan Wu, Justin K. Yim, Jiaming Liang, Zhichun Shao, Mingjing Qi, Junwen Zhong, Zihao Luo, Xiaojun Yan, Min Zhang, Xiaohao Wang, Ronald S. Fearing, Robert J. Full, Liwei Lin
Article
Biophysics
Tao Jiang, Lirong Deng, Wenying Qiu, Jiaming Liang, Yichuan Wu, Zhichun Shao, Dongkai Wang, Min Zhang, Xiang Qian, Junwen Zhong, Xiaohao Wang, Liwei Lin
BIOSENSORS & BIOELECTRONICS
(2020)
Article
Robotics
Jiaming Liang, Yichuan Wu, Justin K. Yim, Huimin Chen, Zicong Miao, Hanxiao Liu, Ying Liu, Yixin Liu, Dongkai Wang, Wenying Qiu, Zhichun Shao, Min Zhang, Xiaohao Wang, Junwen Zhong, Liwei Lin
Summary: This study explores agility and trajectory control in soft robots by using piezoelectric thin film and electrostatic footpads to achieve fast and precise movements. Results show that the robot performs well in trajectory manipulation and task execution, making it applicable in areas such as recording gas concentration route maps.
Article
Robotics
Wen Fan, Xiaoqing Guo, Enyang Feng, Jialin Lin, Yuanyi Wang, Jiaming Liang, Martin Garrad, Jonathan Rossiter, Zhengyou Zhang, Nathan Lepora, Lei Wei, Dandan Zhang
Summary: Teleoperation plays a significant role in various applications, making the design of intuitive and ergonomic control interfaces crucial. The rapid advancement of Mixed Reality (MR) has brought tangible benefits to human-robot interaction, and the application of haptic rendering can further enhance the intuitiveness and efficiency of MR-based immersive teleoperation. This study developed an immersive, bilateral teleoperation system that integrates Digital Twin-driven Mixed Reality (DTMR) manipulation with haptic rendering, leading to improved human-robot interaction experience and teleoperation performance.
IEEE ROBOTICS AND AUTOMATION LETTERS
(2023)
Proceedings Paper
Engineering, Electrical & Electronic
Jiaming Liang, Yichuan Wu, Huiwen Kan, Renxiao Xu, Zhichun Shao, Wenying Qiu, Tao Jiang, Mingjing Qi, Min Zhang, Liwei Lin, Xiaohao Wang
2019 20TH INTERNATIONAL CONFERENCE ON SOLID-STATE SENSORS, ACTUATORS AND MICROSYSTEMS & EUROSENSORS XXXIII (TRANSDUCERS & EUROSENSORS XXXIII)
(2019)