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Zhichao Ma, Peer Fischer
《工程(英文)》 2023年 第24卷 第5期 页码 13-16 doi: 10.1016/j.eng.2022.06.006
Yu Sun, Sergej Fatikow, Xinyu Liu
《工程(英文)》 2023年 第24卷 第5期 页码 1-2 doi: 10.1016/j.eng.2023.04.006
Different manipulation mode analysis of a radial symmetrical hexapod robot with leg–arm integration
《机械工程前沿(英文)》 2022年 第17卷 第1期 页码 8-8 doi: 10.1007/s11465-021-0664-0
关键词: leg–arm integration hexapod robot fixed coordinated manipulation mobile manipulation
基于3D变换电磁学和2D表面电磁学的电磁场操控和天线设计 Review
Peng-fei ZHANG, Yu-kai YAN, Ying LIU, Raj MITTRA
《信息与电子工程前沿(英文)》 2020年 第21卷 第3期 页码 351-365 doi: 10.1631/FITEE.1900489
关键词: 场操控;变换光学;天线设计;表面电磁学
Flexible micro flow sensor for micro aerial vehicles
Rong ZHU, Ruiyi QUE, Peng LIU
《机械工程前沿(英文)》 2017年 第12卷 第4期 页码 539-545 doi: 10.1007/s11465-017-0427-0
This article summarizes our studies on micro flow sensors fabricated on a flexible polyimide circuit board by a low-cost hybrid process of thin-film deposition and circuit printing. The micro flow sensor has merits of flexibility, structural simplicity, easy integrability with circuits, and good sensing performance. The sensor, which adheres to an object surface, can detect the surface flow around the object. In our study, we install the fabricated micro flow sensors on micro aerial vehicles (MAVs) to detect the surface flow variation around the aircraft wing and deduce the aerodynamic parameters of the MAVs in flight. Wind tunnel experiments using the sensors integrated with the MAVs are also conducted.
关键词: micro flow sensor flexible sensor surface flow sensing aerodynamic parameter micro aerial vehicle (MAV)
Dependence of error sensitivity of frequency on bias voltage in force-balanced micro accelerometer
Lili CHEN, Wu ZHOU
《机械工程前沿(英文)》 2013年 第8卷 第2期 页码 146-149 doi: 10.1007/s11465-013-0260-z
To predict more precisely the frequency of force-balanced micro accelerometer with different bias voltages, the effects of bias voltages on error sensitivity of frequency is studied. The resonance frequency of accelerometer under closed loop control is derived according to its operation principle, and its error sensitivity is derived and analyzed under over etching structure according to the characteristics of Deep Reaction Ion Etching (DRIE). Based on the theoretical results, micro accelerometer is fabricated and tested to study the influences of AC bias voltage and DC bias voltage on sensitivity, respectively. Experimental results indicate that the relative errors between test data and theory data are less than 7%, and the fluctuating value of error sensitivity under the range of voltage adjustment is less than 0.01 μm . It is concluded that the error sensitivity with designed parameters of structure, circuit and process error can be used to predict the frequency of accelerometer with no need to consider the influence of bias voltage.
关键词: Micro-Electro-Mechanical Systems (MEMS) micro accelerometer force-balanced micro accelerometer frequency error sensitivity
Numerical simulation of micro scale flowing and boiling
Wen WANG, Rui ZHUAN,
《能源前沿(英文)》 2009年 第3卷 第4期 页码 396-401 doi: 10.1007/s11708-009-0049-2
关键词: volume-of-fluid (VOF) micro channel nucleate boiling bubble dynamics simulation
Dynamical research on spherical micro actuator with piezoelectric ceramic stacks drivers
ZHANG Ruihua, CHEN Haichu
《机械工程前沿(英文)》 2007年 第2卷 第4期 页码 433-438 doi: 10.1007/s11465-007-0074-y
关键词: spherical micro-gripper friction coefficient dynamic frequency
Laboratory assessment of Alaska aggregates using Micro-Deval test
Jenny LIU,Sheng ZHAO,Anthony MULLIN
《结构与土木工程前沿(英文)》 2017年 第11卷 第1期 页码 27-34 doi: 10.1007/s11709-016-0359-5
关键词: aggregate durability Washington degradation test Micro-Deval test
基于语音识别的电磁调控智能超表面 Article
柏林, 刘元可, 徐亮, 张政, 王强, 蒋卫祥, 仇成伟, 崔铁军
《工程(英文)》 2023年 第22卷 第3期 页码 185-190 doi: 10.1016/j.eng.2022.06.026
本研究提出并实现了一种基于人类语音识别的智能超表面平台,用于对电磁波束进行可编程调控。该智能超表面平台由数字编码超表面、语音识别模块、单片机和数模转换器(DAC)电路组成,可根据预先存储的语音指令对电磁波进行智能控制。所构建的数字编码超表面包含6 × 6 个超级子单元,每个超级子单元由4 × 4 个嵌入了变容二极管的有源数字单元组成。语音识别模块配合DAC和单片机对语音指令进行识别,并生成对应的电压序列来控制超表面。此外,在超表面的设计过程中引入遗传算法,可有效优化超表面相位分布。为了验证智能超表面平台的性能,实验展示了雷达散射截面积缩减、涡旋波束生成和波束分裂三种典型功能。所提出的方案为调控电磁波提供了一种新途径,并在电磁和声学通信之间架起了一座桥梁。
Characterization of micro-mixing in a novel impinging streams reactor
Hui HU, Zhiming CHEN, Zhen JIAO
《化学科学与工程前沿(英文)》 2009年 第3卷 第1期 页码 58-64 doi: 10.1007/s11705-009-0106-8
关键词: micro-mixing impinging streams reactor turbulent mixing mass transfer
Recent advances in micro- and nano-machining technologies
Shang GAO, Han HUANG
《机械工程前沿(英文)》 2017年 第12卷 第1期 页码 18-32 doi: 10.1007/s11465-017-0410-9
Device miniaturization is an emerging advanced technology in the 21st century. The miniaturization of devices in different fields requires production of micro- and nano-scale components. The features of these components range from the sub-micron to a few hundred microns with high tolerance to many engineering materials. These fields mainly include optics, electronics, medicine, bio-technology, communications, and avionics. This paper reviewed the recent advances in micro- and nano-machining technologies, including micro-cutting, micro-electrical-discharge machining, laser micro-machining, and focused ion beam machining. The four machining technologies were also compared in terms of machining efficiency, workpiece materials being machined, minimum feature size, maximum aspect ratio, and surface finish.
关键词: micro machining cutting electro discharge machining (EDM) laser machining focused ion beam (FIB)
Special issue: Micro-electromechanical systems (MEMS)
Zhuangde JIANG
《机械工程前沿(英文)》 2017年 第12卷 第4期 页码 457-458 doi: 10.1007/s11465-017-0492-4
《环境科学与工程前沿(英文)》 2021年 第15卷 第6期 doi: 10.1007/s11783-021-1409-3
• MFC promoted the nitrogen removal of anammox with Fe-C micro-electrolysis.
Boiling heat transfer correlations for refrigerant mixtures flowing inside micro-fin tubes
ZHANG Xiaoyan, ZHANG Xingqun, CHEN Yunguang, YUAN Xiuling
《能源前沿(英文)》 2008年 第2卷 第4期 页码 489-493 doi: 10.1007/s11708-008-0110-6
标题 作者 时间 类型 操作
Different manipulation mode analysis of a radial symmetrical hexapod robot with leg–arm integration
期刊论文
Dependence of error sensitivity of frequency on bias voltage in force-balanced micro accelerometer
Lili CHEN, Wu ZHOU
期刊论文
Dynamical research on spherical micro actuator with piezoelectric ceramic stacks drivers
ZHANG Ruihua, CHEN Haichu
期刊论文
Laboratory assessment of Alaska aggregates using Micro-Deval test
Jenny LIU,Sheng ZHAO,Anthony MULLIN
期刊论文
Characterization of micro-mixing in a novel impinging streams reactor
Hui HU, Zhiming CHEN, Zhen JIAO
期刊论文
microbial fuel cell for enhancing the nitrogen removal of the anammox process coupled with iron-carbon micro-electrolysis
期刊论文