Article
Chemistry, Multidisciplinary
Xuecheng Qu, Xiu Ma, Bojing Shi, Hu Li, Li Zheng, Chan Wang, Zhuo Liu, Yubo Fan, Xiangyu Chen, Zhou Li, Zhong Lin Wang
Summary: The newly developed safe dielectric elastomer Braille device, actuated by a triboelectric nanogenerator, is easy to fabricate and affordable, enabling Braille dot matrix display for the blind. This innovation holds the potential to provide the visually impaired with a portable Braille e-book in the future.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Multidisciplinary Sciences
Weikang Lin, Dongsheng Zhang, Wang Wei Lee, Xuelong Li, Ying Hong, Qiqi Pan, Ruirui Zhang, Guoxiang Peng, Hong Z. Tan, Zhengyou Zhang, Lei Wei, Zhengbao Yang
Summary: This article introduces a wearable electrotactile rendering system that can generate tactile stimuli with high spatial resolution and rapid refresh rates. The system has applications in braille display, virtual reality shopping, and digital virtual experiences.
Article
Engineering, Electrical & Electronic
Xin Tang, Hao Shen, Siyuan Zhao, Na Li, Jia Liu
Summary: Flexible electronics have potential applications in the development of brain-computer interfaces, addressing the limitations of traditional rigid electronics. They offer unique advantages in terms of flexibility, stretchability, and softness, impacting neuroscience, neuroprosthetic control, bioelectronic medicine, and brain and machine intelligence integration. Challenges regarding materials, device fabrication, and system integration need to be addressed to develop flexible brain-computer interfaces with broad applicability.
NATURE ELECTRONICS
(2023)
Article
Chemistry, Analytical
Xiaochao Tian, Yuze Sun, Zhiyao Li, Hu Wang, Zhicong Wang, Haigang Wang, Jinzhi Zhu, Zhigang Yang
Summary: This study describes the design of a piezoelectric-driven hydraulically amplified Braille-flexible bump device, which enables the flexible formation of Braille characters. Experimental results show that the device meets the touch sensitivity standard for the blind, proving its feasibility and effectiveness.
Article
Engineering, Environmental
Yan Zhao, Sichao Wang, Ming Yuan, Yuan Chen, Yunpeng Huang, Jiabiao Lian, Shiliu Yang, Huaming Li, Limin Wu
Summary: A novel flexible supercapacitor electrode material with excellent specific capacitance and cycling stability was reported in this study, showing high energy density and power density at 1 A g(-1). The self-assembled all-solid-state supercapacitor device demonstrated good flexibility without significant electrochemical properties attenuation.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Analytical
Min Liu, Jia Yang, Juan Wang, Zhihong Liu, Chengguo Hu
Summary: This study presents a light-addressable paper-based photoelectrochemical (PEC) analytical device for on-site high-throughput biosensing. The device consists of a solar cell-type single-channel PEC system with separated detection zones, and can be produced in large quantities using a simple method. By taking advantage of the sensitive photocurrent response, an AChE-based PEC biosensing system for the on-site screening of ultratrace pesticides was established.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Physical
Yifan Xia, Yan Zhu, Biao Yang, Wenyu Guo, Shilei Han, Xin Wang
Summary: In this study, a wireless-controlled, self-powered, and patterned information encryption display system based on a flexible electroluminescence device has been developed. The device is driven by a wearable triboelectric nano-generator and can achieve dynamic electroluminescence emission based on pixels for wireless-controlled information encryption.
Article
Computer Science, Cybernetics
Hao Chen, Wentao Tao, Chang Liu, Qi Shen, Yuecheng Wu, Liuxia Ruan, Wenzhen Yang
Summary: In this study, a novel electromagnetic Braille display is developed, providing a cost-effective solution for visually impaired individuals. It features a stable performance, long service life, and low cost due to the innovative layered electromagnetic driving mechanism. The optimized T-shaped screw compression spring allows for a high refresh frequency, enabling quick Braille reading. Experimental results demonstrate its stable operation, good fingertip touch, and satisfactory support force, making it beneficial for low-income visually impaired individuals in developing countries.
IEEE TRANSACTIONS ON HAPTICS
(2023)
Article
Multidisciplinary Sciences
Jun-Hua Li, Han-Le Zhang, Qing-Lin Ji, Wu-Xiang Zhao
Summary: This paper proposes a distortion-corrected integral imaging 3D display system based on lens array holographic optical elements. By using distortion compensation and perspective transformations, the system achieves a better 3D display effect.
Article
Biochemical Research Methods
Weiyang Yang, Yan Gong, Cheng-You Yao, Maheshwar Shrestha, Yaoyao Jia, Zhen Qiu, Qi Hua Fan, Arthur Weber, Wen Li
Summary: Integrative neural interfaces combining neurophysiology, optogenetics, and neural imaging offer opportunities for studying neural circuits in the brain. The development of ultra-flexible, highly conductive and fully transparent microscale electrocorticogram (mu ECoG) electrode arrays with PEDOT:PSS-ITO-Ag-ITO assembly shows enhanced mechanical flexibility, robustness, and resilience to photon-induced artifacts. In vivo experiments demonstrate successful recording of light-evoked ECoG oscillations from the primary visual cortex (V1) of an anesthetized rat.
Article
Materials Science, Multidisciplinary
Srinivasan Palanisamy, Muthuramalingam Thangaraj, Khaja Moiduddin, Abdulrahman M. Al-Ahmari
Summary: This paper introduces the development of a flexible sensor for automotive entertainment applications. By using printed capacitive sensors, it is possible to lower the cost and enhance the detection capabilities. The study investigates the effects of electrode overlap, gap, and width on sensor performance and production costs. Additionally, a new generation of flexible printed sensors has been developed, surpassing traditional human-machine interface (HMI) sensors.
Article
Optics
Miao Xu, Yating Liu, Ye Yuan, Hongbo Lu, Longzhen Qiu
Summary: This work demonstrates an adaptive liquid lens using a novel transparent electrically responsive fluid, DBA. The DBA liquid lens with a hemispherical piano-convex shape can change its curvature according to various input voltages. The proposed DBA liquid lens exhibits high optical transmittance, good thermal stability, and excellent imaging property.
Article
Optics
Duo Chen, Xinzhu Sang, Peng Wang, Xunbo Yu, Xin Gao, Binbin Yan, Huachun Wang, Shuai Qi, Xiaoqian Ye
Summary: A new method for synthesizing high-quality virtual views in 3D light-field display is proposed in this study, addressing the issue of dense viewpoints by blending scene tower results to provide smooth motion parallax.
Article
Chemistry, Multidisciplinary
Lanfang Wang, Ruifang Ding, Yanqing Hao, Yujia Li, Wenjiao Liu, Wenbo Lu, Xiaohong Xu
Summary: A novel light-driven non-enzymatic glucose sensor based on AuNi nanodendrites has been successfully developed. The nanodendritic structure provides a large surface area and excellent electron transfer for glucose oxidation. Under visible light illumination, this hierarchical hybrid structure exhibits remarkable photoelectrocatalytic activity.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Engineering, Electrical & Electronic
Xu Dong, Yaoyao Jiang, Yida Xu, Lvzhou Li, Shengping Dai, Xiaoting Cao, Xiaoshuang Zhou, Ningyi Yuan, Jianning Ding
Summary: This article introduces a multisensory flexible braille interactive device based on liquid crystal elastomers (LCEs). By utilizing the reversible shape-memory performance of LCEs, the device solves the issues of complex structure design and poor portability in traditional braille readers. The device also incorporates a flexible electric heating layer to enable the contraction of braille points, and introduces thermochromic powders to translate the pattern concept of visually impaired individuals into observable color information.
ACS APPLIED ELECTRONIC MATERIALS
(2022)
Article
Engineering, Electrical & Electronic
Yicheng Yang, Xiaoxin Wang, Ziliang Zhou, Jia Zeng, Honghai Liu
Summary: In this study, a vision-based tactile sensor was customized and used to verify a two-step spatial surface sensing method. The results showed that surface reconstruction and recognition were related, and that the reconstruction step helped improve recognition accuracy. Additionally, the custom sensor demonstrated excellent recognition capability, indicating practical value in surface recognition through touch.
IEEE SENSORS JOURNAL
(2021)
Article
Engineering, Electrical & Electronic
Ziliang Zhou, Yicheng Yang, Jia Zeng, Xiaoxin Wang, Honghai Liu
Summary: This study focuses on exploring the parametric properties of electrotactile feedback using an electrical stimulation system and innovative measurement methods. The results show that the new bisection algorithm is more robust and achieves a 50% efficiency improvement, while individual differences and sensitivities can be quantified by the sensitivity index.
IEEE SENSORS JOURNAL
(2022)
Article
Engineering, Electrical & Electronic
Xiaoxin Wang, Yicheng Yang, Ziliang Zhou, Guiyao Xiang, Honghai Liu
Summary: This study proposes a novel high-speed vision-based tactile sensor that emulates the functional characteristics of the human fingertip. Experimental results demonstrate that high-frequency information can enhance tactile sensitivity and discrimination of texture surfaces.
IEEE SENSORS JOURNAL
(2023)
Article
Engineering, Electrical & Electronic
Yicheng Yang, Xiaoxin Wang, Ziliang Zhou, Jia Zeng, Honghai Liu
Summary: This article proposes a metric to evaluate tactile roughness across materials based on granularity commonly used for sandpapers. The experiment demonstrates that this metric is stable, repeatable, reliable, and valuable for tactile sensing assessment in robot dexterous manipulation.
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
(2023)
Article
Computer Science, Cybernetics
Ziliang Zhou, Xiaoxin Wang, Yicheng Yang, Jia Zeng, Honghai Liu
Summary: Due to its low energy consumption and fast response, electrotactile feedback has the potential for great use in human-machine interaction. However, the regulation of electrotactile perception remains challenging due to the variability of electrode skin impedance. This paper focuses on voltage response modelling using data-driven analysis, successfully obtaining a mathematical model for fingertip skin and proposing calibration methods for peak voltage prediction. The results provide novel theoretical support for precise regulation of fingertip electrotactile perception.
IEEE TRANSACTIONS ON HAPTICS
(2023)
Article
Engineering, Electrical & Electronic
Jia Zeng, Yixuan Sheng, Yicheng Yang, Ziliang Zhou, Honghai Liu
Summary: This study proposes a novel network architecture called MINDS for gesture recognition, suitable for both sEMG and AUS modalities. Additionally, a cross modality knowledge distillation framework is introduced to improve the accuracy of sEMG by transferring knowledge from AUS. Experimental results demonstrate the superiority of MINDS over other networks under both sEMG and AUS modalities, confirming the effectiveness and feasibility of this approach.
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
(2022)
Article
Engineering, Biomedical
Yixuan Sheng, Jinbiao Liu, Ziliang Zhou, Hanwei Chen, Honghai Liu
Summary: This study proposes a musculoskeletal model based on surface electromyography (sEMG) to estimate joint angle trajectory of elbow isokinetic exercise. The experimental results demonstrate that the model accurately predicts isokinetic and isotonic movements, paving the way for tailored isokinetic exercise in clinical therapy such as stroke rehabilitation.
IEEE TRANSACTIONS ON MEDICAL ROBOTICS AND BIONICS
(2021)
Review
Computer Science, Cybernetics
Ziliang Zhou, Yicheng Yang, Jinbiao Liu, Jia Zeng, Xiaoxin Wang, Honghai Liu
Summary: This paper reviews the advantages and applications of electrotactile stimulation, as well as the research progress and challenges in related fields. Electrotactile feedback has been proven to be efficient and flexible, but still faces challenges in precise control.
IEEE TRANSACTIONS ON HAPTICS
(2022)
