Results 1 to 10 of about 735,574 (312)
Energy and Built Environment, 2020 Push-pull ventilation systems provide excellent control of contaminants and harmful gases. However, since both a push inlet and a pull outlet are used in the push-pull ventilation system, the flow rate required by the system is large.
Yi Wang, Yingxue Cao
exaly +3 more sources
Periodic solutions and the avoidance of pull‐in instability in nonautonomous microelectromechanical systems [PDF]
Mathematical methods in the applied sciences, 2020 We study periodic solutions of a one‐degree of freedom microelectromechanical system (MEMS) with a parallel‐plate capacitor under T‐periodic electrostatic forcing.
S. Kadyrov +4 more
semanticscholar +1 more source
Actuators, 2023 This paper presents the results of a comprehensive study of the pull-in phenomenon in the hybrid levitation microactuator (HLMA), in which square-shaped proof masses (PMs) of different sizes, namely, length sides of 2.8 and 3.2 mm and thicknesses of 25 ...
Emil R. Mamleyev +4 more
doaj +1 more source
Frontiers in Robotics and AI, 2021 This paper proposes an underactuated grippers mechanism that grasps and pulls in different types of objects. These two movements are generated by only a single actuator while two independent actuators are used in conventional grippers.
A. Kakogawa, Yuki Kaizu, Shugen Ma
semanticscholar +1 more source
Fractal Pull-in Stability Theory for Microelectromechanical Systems
Frontiers in Physics, 2021 Pull-in instability was an important phenomenon in microelectromechanical systems (MEMS). In the past, MEMS were usually assumed to work in an ideal environment.
Dan Tian +3 more
doaj +1 more source
Actuators, 2021 In this paper, a novel photovoltaic-electrostatic hybrid actuator with a slant lower electrode based on the PLZT ceramic is proposed. The mathematical model of photovoltaic-electrostatic hybrid actuator is established.
Zhen Lv +3 more
doaj +1 more source
Increase of Three-Axis Accelerometer Sensitivity Using Capacitor in Spring [PDF]
AUT Journal of Electrical Engineering, 2022 This study has introduced a three-axis capacitive accelerometer, in which the part of the capacitor that calculates acceleration is installed in the z direction in the spring to improve the sensitivity in the said direction.
kamran Delfan Hemmati +1 more
doaj +1 more source
Pull-in Phenomenon in the Electrostatically Micro-switch Suspended between Two Conductive Plates using the Artificial Neural Network [PDF]
Journal of Applied and Computational Mechanics, 2022 Artificial Neural Networks (ANN) are designed to evaluate the pull-in voltage of MEMS switches. The mathematical model of a micro-switch subjected to electrostatic force is preliminarily illustrated to get the relevant equations providing static ...
Mortaza Aliasghary +2 more
doaj +1 more source
Subcarrier synchronization for satellite USB TT&C
Dianzi Jishu Yingyong, 2022 Jilin-1 satellites TT&C adopts USB system. The receiver adopts the architecture FFT+DPLL1+DPLL2. FFT mainly realizes coarse capture of carrier. DPLL1 realizes tracking of carrier phase on the basis of FFT. DPLL2 realizes subcarrier tracking.
Zhang Shiwei +5 more
doaj +1 more source