Results 101 to 110 of about 1,517 (234)

Motion Planning of a Stepping-Wriggle Type Piezoelectric Actuator Operating in Bending Modes

IEEE Access, 2016
A new non-resonant-type piezoelectric actuator with unlimited stroke was proposed, in which two transducers operated in hybrid bending modes were used to generate the desired displacements with micrometer scale. Compared with the PZT stack, both positive
Dongmei Xu, Yingxiang Liu, Junkao Liu, Shengjun Shi, Weishan Chen   +4 more
doaj   +1 more source

Triboelectric–Electromagnetic Generator‐Enabled Hybrid Power Backpack for Self‐Powered Field Safety Management

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A lightweight hybrid backpack integrating SC‐TENGs and R‐EMGs harvests biomechanical energy during walking. With a low activation speed of 3 km h−1 and a high specific power of 0.18 W kg−1, it enables self‐powered field safety management. The power backpack refers to an energy‐harvesting solution engineered to mitigate battery reliance in wearable ...
Jie Chen, Qiao Bi, Chao Zuo, Qian Qin, Zhihao Hu, Hengyu Guo, Qian Tang   +6 more
wiley   +1 more source

Recent advances in multifunctional soft robots: A materials–structures–systems co‐design perspective for synergistic integration

FlexMat, EarlyView.
Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu, Zicao Peng, Chong Sun, Haitao Yang   +3 more
wiley   +1 more source

Design and fabrication of a piezoelectric stack actuator for use in a needle-free jet injector

, 2018
Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018.Cataloged from PDF version of thesis.Includes bibliographical references (pages 71-72).This thesis presents the design of a piezoelectric ceramic stack ...
Briggs, Randall (Randall Miller)
core  

Modelling and Analysis of Hysteresis in Piezoelectric Actuator

, 2006
Piezoelectric actuators are the potential actuators having a wide range of applications in smart structures and systems. However, the presence of hysteresis nonlinearity leads to degradation in their performance. This paper discusses a mathematical model
Apte, Deepak, Singh, A.K., Singh, AK
core   +1 more source

Structural design and 3D printing of flexible integrated electronic systems

FlexMat, EarlyView.
This review provides a comprehensive overview of design and integration strategies for individual components in flexible electronics, highlights the 3D‐printing fabrication techniques, and discusses recent advances in system‐level integration and their applications in real‐time monitoring and intelligent robotics.
Jiani Gong, Jiaying Wang, Changsong Shi, Chi Guo, Songze Fu, Jie Tao, Xiaolong Chen, Yunfei Chen, Zhiyang Lyu   +8 more
wiley   +1 more source

Adaptive identification of hysteresis and creep in piezoelectric stack actuators

, 2010
© Springer-Verlag London Limited 2009The adaptive identification of the non-linear hysteresis and creep effects in a piezoelectric actuator is proposed in this paper.
Cazzolato, B., Grainger, S., Lu, T., Minase, J.   +3 more
core   +1 more source

Triboelectric nanogenerators for vehicle intelligent cockpits

FlexMat, EarlyView.
Converting mechanical stimuli from drivers and vehicle motion into electrical signals, triboelectric nanogenerators provide promising interfaces toward passive, flexible, distributed and intelligent sensing for next‐generation automotive cockpits to support three core functional dimensions: driver state monitoring, vehicle state monitoring, and human ...
Haiqiu Tan, Shiquan Lü, Xiangwei Meng, Huiying Zhang, Wenxing Zhang, Dongxian Sun, Xiao Lu, Lei Wang, Haodong Zhang, William W. Yu   +9 more
wiley   +1 more source

Understanding Inertia and Saturation in Operational Hysteresis Through a Physics‐Based Piezo Model

IET Science, Measurement & Technology
High‐tech systems require precise motion control in the subnanometer position error range. With no magnetic interference and low mass, piezoelectric actuators are ideal for sensitive and high‐speed environments.
Haoyuan Li, Jeroen van Duivenbode, Calina Ciuhu, Elena A. Lomonova   +3 more
doaj   +1 more source

Implantable drug delivery system: Frontiers of medicine‐engineering interdisciplinary

Interdisciplinary Medicine, EarlyView.
This review systematically summarizes the driving mechanisms of implantable on‐demand drug delivery systems (IDDS), including endogenous, exogenous, and closed‐loop strategies. It highlights the pivotal roles of flexible electronics and miniaturization in enhancing the tissue conformity and spatial adaptability.
Yu Zeng, Rongtai Su, Manyu Zhao, Xin Song, Ran Liu, Yuhao Zhou, Chaojuan Yang, Yanli Jiao, Xiao‐Wei Xiang, Lingqian Chang   +9 more
wiley   +1 more source