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《机械工程前沿(英文)》 2022年 第17卷 第3期 doi: 10.1007/s11465-022-0691-5
关键词: multifingered hand mechanism design robot safety variable stiffness actuator
Hui Ching FAN, Hong Sen YAN
《机械工程前沿(英文)》 2012年 第7卷 第1期 页码 5-15 doi: 10.1007/s11465-012-0310-y
Without modifying the cam contour, a cam mechanism with a variable input speed trajectory offers an alternative solution to flexibly achieve kinematic and dynamic characteristics, and then decrease the follower’s residual vibration. Firstly, the speed trajectory of cam is derived by employing Bezier curve, and motion continuity conditions are investigated. Then the motion characteristics between the plate cam and its roller follower are derived. To analyze the residual vibration, a single degree of freedom dynamic model of the elastic cam-follower system is introduced. Based on the motion equation derived from the dynamic model, the residual vibration of the follower is yielded. The design procedure to improve the kinematic and dynamic motion characteristics is presented and two design examples with discussions are provided. Finally, the simulations of the kinematic and dynamic models by ADAMS are carried out and verified that the design models as well as the performances of the mechanism are feasible.
关键词: cam mechanism variable input speed kinematic design dynamic design optimal design
《机械工程前沿(英文)》 2021年 第16卷 第4期 页码 711-725 doi: 10.1007/s11465-021-0647-1
关键词: variable stiffness actuator variable stiffness module drive module symmetrical structure double-deck grooves expandable electrical system
Jinghua XU, Tiantian WANG, Qianyong CHEN, Shuyou ZHANG, Jianrong TAN
《机械工程前沿(英文)》 2020年 第15卷 第1期 页码 24-42 doi: 10.1007/s11465-019-0558-6
关键词: performance design air separation unit (ASU) lumped parameter model (LPM) variable working conditions T–S fuzzy interval detection
Smart product design for automotive systems
A. Galip ULSOY
《机械工程前沿(英文)》 2019年 第14卷 第1期 页码 102-112 doi: 10.1007/s11465-019-0527-0
关键词: mechatronics automotive control co-design component swapping modularity active suspensions variable camshaft timing engine plug-in hybrid electric vehicle
《结构与土木工程前沿(英文)》 页码 1428-1441 doi: 10.1007/s11709-023-0998-2
关键词: intake tower NSGA-II mode decomposition response spectrum method anti-seismic engineering measures optimization design variable project cost
Design of a novel RTD-based three-variable universal logic gate
Mao-qun YAO,Kai YANG,Cong-yuan XU,Ji-zhong SHEN
《信息与电子工程前沿(英文)》 2015年 第16卷 第8期 页码 694-699 doi: 10.1631/FITEE.1500102
关键词: Resonant tunneling diode (RTD) Threshold logic gate Reed-Muller expansion Universal logic gate
Effect of variable heat capacities on performance of an irreversible Miller heat engine
Xingmei YE
《能源前沿(英文)》 2012年 第6卷 第3期 页码 280-284 doi: 10.1007/s11708-012-0203-0
关键词: Miller cycle variable heat capacity irreversibility parametric optimization
何惠明,杨晓洲,肖红,范作智,钱良,范光
《中国工程科学》 2012年 第14卷 第2期 页码 59-68
基于煤矿井下变频调速装置与电动机一体式的隔爆型变频调速三相异步电动机实现高效、节能的研发项目,根据传统的感应电动机电磁计算程序增加变频调速电动机的计算方案,并结合ANSOFT 2D有限元针对三相异步电动机的数值分析方法,进行设计核算。详细论述了变频电机的变频调速原理、控制策略,并给出实际样机,介绍其设计与制造技术。
A neural network-based production process modeling and variable importance analysis approach in corn
《化学科学与工程前沿(英文)》 2023年 第17卷 第3期 页码 358-371 doi: 10.1007/s11705-022-2190-y
关键词: big data corn to sugar factory neural network variable importance analysis
Development of an axial-type fan with an optimization method
Chong-hyun CHO, Soo-yong CHO, Chaesil KIM,
《能源前沿(英文)》 2009年 第3卷 第4期 页码 414-422 doi: 10.1007/s11708-009-0038-5
关键词: axial-type fan gradient method free-vortex method design variable total pressure static pressure operating flowrate
数据中心设计——一种微结构材料体系设计新方法 Article
Wei Chen, Akshay Iyer, Ramin Bostanabad
《工程(英文)》 2022年 第10卷 第3期 页码 89-98 doi: 10.1016/j.eng.2021.05.022
在高通量计算材料科学时代,材料基因组计划的核心是为计算材料设计建立数据处理、材料结构和材料属性(PSP)之间的关系。近年来,在数据获取和存储,微结构表征和重建(MCR),机器学习(ML),材料建模和仿真,数据处理、材料制造和实验方面取得的技术进步,显著提升了研究人员在PSP关系的建立和逆向材料设计方面的能力。本文将从设计研究的角度审视这些进步。特别介绍了一种数据中心设计方法,并从本质上将该方法分为三个方面:设计表征、设计评估和设计合成。每个方面的发展都由领域知识指导并从中受益。因此,针对每个方面,提出了一种应用广泛的计算方法,这些方法的集成实现了以数据为中心的材料发现和设计。
Yufei MAO, Liejin GUO, Bofeng BAI, Ximin ZHANG
《能源前沿(英文)》 2010年 第4卷 第4期 页码 546-552 doi: 10.1007/s11708-010-0116-8
关键词: convective heat transfer helical coils high Reynolds number supercritical pressure variable property
Hamed HABIBI, Hamed RAHIMI NOHOOJI, Ian HOWARD
《机械工程前沿(英文)》 2017年 第12卷 第3期 页码 377-388 doi: 10.1007/s11465-017-0431-4
Power maximization has always been a practical consideration in wind turbines. The question of how to address optimal power capture, especially when the system dynamics are nonlinear and the actuators are subject to unknown faults, is significant. This paper studies the control methodology for variable-speed variable-pitch wind turbines including the effects of uncertain nonlinear dynamics, system fault uncertainties, and unknown external disturbances. The nonlinear model of the wind turbine is presented, and the problem of maximizing extracted energy is formulated by designing the optimal desired states. With the known system, a model-based nonlinear controller is designed; then, to handle uncertainties, the unknown nonlinearities of the wind turbine are estimated by utilizing radial basis function neural networks. The adaptive neural fault tolerant control is designed passively to be robust on model uncertainties, disturbances including wind speed and model noises, and completely unknown actuator faults including generator torque and pitch actuator torque. The Lyapunov direct method is employed to prove that the closed-loop system is uniformly bounded. Simulation studies are performed to verify the effectiveness of the proposed method.
关键词: wind turbine nonlinear model maximum power tracking passive fault tolerant control adaptive neural control
Design and experimental study of a passive power-source-free stiffness-self-adjustable mechanism
Yuwang LIU, Dongqi WANG, Shangkui YANG, Jinguo LIU, Guangbo HAO
《机械工程前沿(英文)》 2021年 第16卷 第1期 页码 32-45 doi: 10.1007/s11465-020-0604-4
关键词: variable stiffness mechanism stiffness self-regulation bionic robot modeling
标题 作者 时间 类型 操作
Mechanical design, modeling, and identification for a novel antagonistic variable stiffness dexterous
期刊论文
On the improvement design of dynamic characteristics for the roller follower of a variable-speed plate
Hui Ching FAN, Hong Sen YAN
期刊论文
Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment
期刊论文
Performance design of a cryogenic air separation unit for variable working conditions using the lumped
Jinghua XU, Tiantian WANG, Qianyong CHEN, Shuyou ZHANG, Jianrong TAN
期刊论文
Optimization design of anti-seismic engineering measures for intake tower based on non-dominated sorting
期刊论文
Design of a novel RTD-based three-variable universal logic gate
Mao-qun YAO,Kai YANG,Cong-yuan XU,Ji-zhong SHEN
期刊论文
Effect of variable heat capacities on performance of an irreversible Miller heat engine
Xingmei YE
期刊论文
A neural network-based production process modeling and variable importance analysis approach in corn
期刊论文
Development of an axial-type fan with an optimization method
Chong-hyun CHO, Soo-yong CHO, Chaesil KIM,
期刊论文
Convective heat transfer in helical coils for constant-property and variable-property flows with high
Yufei MAO, Liejin GUO, Bofeng BAI, Ximin ZHANG
期刊论文
Power maximization of variable-speed variable-pitch wind turbines using passive adaptive neural fault
Hamed HABIBI, Hamed RAHIMI NOHOOJI, Ian HOWARD
期刊论文