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Laihu Peng, Yuan Sun, Yubao Qi and Xin Ru
In order to solve the problem of low response frequency and poor consistency of conventional yarn grippers in weft accumulators, in this study, a piezoelectric yarn gripper is used instead of conventional yarn grippers and the motion characteristics of i...
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Riccardo Della Sala, Valerio Spinogatti, Cristian Bocciarelli, Francesco Centurelli and Alessandro Trifiletti
In this paper, a novel dynamic body-driven ultra-low voltage (ULV) comparator is presented. The proposed topology takes advantage of the back-gate configuration by driving the input transistors? gates with a clocked positive feedback loop made of two AND...
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Noora Almarri, Peter Langlois, Dai Jiang and Andreas Demosthenous
A power management unit (PMU) is an essential block for diversified multi-functional low-power Internet of Things (IoT) and biomedical electronics. This paper includes a theoretical analysis of a high current, single-stage ac-dc, reconfigurable, dual out...
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Jeroen Feys, Benny De Cauwer, Dirk Reheul, Clara Sciffer, Shana Clercx and Sander Palmans
Cyperus esculentus is an invasive perennial sedge that can cause huge losses in arable crops. Current control strategies are based on combinations of cultural, mechanical, and chemical measures, repeated over years. Recent commercial releases of safe inn...
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Chuang Wu, Anjiang Cai, Xing Gao and Chongjing Cao
In recent years, with the rapid development of soft robots, dielectric elastomer actuators (DEAs) as a novel type of soft actuators have been widely studied. However, DEAs often suffer from low instantaneous output force/power, especially in high payload...
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Yaoqing Lu, Kangfu Liu and Tao Wu
The micro-electro-mechanical systems (MEMS) resonant scanners are in great demand for numerous light scanning applications. Recently, the development of LiDAR in micro-robotics and mobile devices has led to the requirement of ultra-small systems with low...
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Jianmin Qiu, Ying Yang, Xin Hong, Piotr Vasiljev, Dalius Mazeika and Sergejus Borodinas
This paper presents a disc-type ultrasonic piezoelectric motor, which is designed for micro flying vehicles. It provides a high output rotation speed under low operating voltage, compared with common piezoelectric devices, by employing a ?contact teeth? ...
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State of charge (SOC) estimation is a key issue in battery management systems. The challenge lies in balancing the trade-off between accuracy and computation cost. To this end, we propose an alternate method by combining the ampere-hour integral (AHI) me...
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Yong-Nong Chang, Shun-Yu Chan and Hung-Liang Cheng
This paper proposes a single-stage, high power-factor light-emitting diode (LED) driver with a self-excited control scheme for the power switches. The self-excited mechanism is accomplished by fetching the driving voltages from a center-tapped transforme...
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Peng Xiao, Ting Dong, Jianing Xie, Dongxiang Luo, Jian Yuan and Baiquan Liu
Recently, thermally activated delayed fluorescence (TADF) organic light-emitting diodes (OLEDs) have attracted both academic and industrial interest due to their extraordinary characteristics, such as high efficiency, low driving voltage, bright luminanc...
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