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CAD/CAM for scalable nanomanufacturing:A network-based system for hybrid 3D printing

Microsystems & Nanoengineering 2017年第1期3卷 135-145页

作者： Hae-Sung Yoon Hyun-Taek Lee Ki-Hwan Jang Chung-Soo Kim Hyunseo Park Dae-Wook Kim Kunwoo Lee Sangkee Min Sung-Hoon Ahn BK21 Plus Transformative Training Program for Creative Mechanical and Aerospace Engineers Seoul National UniversitySeoul 08826Republic of Korea Department of Mechanical and Aerospace Engineering Seoul National UniversitySeoul 08826Republic of Korea Department of Mechanical Engineering University of Wisconsin-MadisonMadisonWI 53706USA Institute of Advanced Machines and Design Seoul National UniversitySeoul 08826Republic of Korea

Micro-and nano-structuring have been highlighted over several decades in both science and engineering *** addition to continuous efforts in fabrication techniques,investigations in scalable nanomanufacturing have been pursued to achieve reduced feature size,fewer constraints in terms of materials and dimensional complexity,as well as improved process *** this study,based on recent micro-/nanoscale fabrication processes,characteristics and key requirements for computer-aided design and manufacturing(CAD/CAM)systems for scalable nanomanufacturing were *** include a process knowledge database,standardized processing,active communication,adaptive interpolation,a consistent coordinate system,and management of peripheral *** scalable nanomanufacturing,it is important to consider the flexibility and expandability of each process,because hybrid and bridging processes represent effective ways to expand process *** an example,we describe a novel CAD/CAM system for hybrid three-dimensional(3D)printing at the *** novel hybrid process was developed by bridging aerodynamically focused nanoparticle printing,focused ion beam milling,micromachining,and spincoating *** system developed can print a full 3D structure using various inorganic materials,with a minimum process scale of 50 *** most obvious difference versus CAD/CAM at‘conventional’scales is that our system was developed based on a network to promote communication between users and process *** the network-based system,it is also possible to narrow the gap among different processes/*** anticipate that this approach can contribute to the development of CAD/CAM for scalable nanomanufacturing and a wide range of hybrid processes.

关键词： Computer-aided design and manufacturing(CAD/CAM) nanomanufacturing network-based 3D printing

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Design and implementation of self-protection agent for network-based intrusion detection system

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Journal of Central South University of Technology 2003年第1期10卷 69-73页

作者： ZHU Shu-ren(朱树人) LI Wei-qin(李伟琴) Changsha University of Electric Power Changsha 410077 China Beijing University of Aeronautics and Astronautics Beijing 100083 China Beijing University of Aeronautics and Astronautics Beijing 100083 China

Static secure techniques, such as firewall, hierarchy filtering, distributed disposing,layer management, autonomy agent, secure communication, were introduced in distributed intrusion detection. The self-protection agents were designed, which have the distributed architecture,cooperate with the agents in intrusion detection in a loose-coupled manner, protect the security of intrusion detection system, and respond to the intrusion actively. A prototype self-protection agent was implemented by using the packet filter in operation system kernel. The results show that all the hosts with the part of network-based intrusion detection system and the whole intrusion detection system are invisible from the outside and network scanning, and cannot apperceive the existence of network-based intrusion detection system. The communication between every part is secure. In the low layer, the packet streams are controlled to avoid the buffer leaks exist ing in some system service process and back-door programs, so as to prevent users from misusing and vicious attack like Trojan Horse effectively.

关键词： intrusion detection system (IDS) network-based intrusion detection system(NIDS) self-protection agent IP filter

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network-based synchronous control of memristive neural networks with denial of service attacks

Network-based synchronous control of memristive neural netwo...

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第三十九届中国控制会议

作者： Xinyu Cai Yijun Zhang Zhenpeng Jiang School of Automation Nanjing University of Science and Technology

This letter is concerned with the issue of global asymptotically synchronization of two neural networks with the denial of service attacks in the communication channels. The memristive neural networks which are with memory, adaptability and high parallel processing ability are considered. A master-slave framework with networks attacks are proposed. Compared with the prior literatures, the DoS attack, which can destroy the network communication, has been modeled by Bernoulli distributed variable. Some sufficient conditions are derived to ensure the synchronization of networks by using Lyapunov function ***, a numerical example is given to illustrate the effectiveness of obtained results.

关键词： Memristive Neural networks Synchronization DoS attacks network-based

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Language Learning Strategies in a network-based Environment

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海外英语 2017年第22期 9-13,15页

作者：王小萍 Guangdong Institute of Public Administration

With the swift development of network technology, research on how to integrate network technology into language learning has become a trend. This paper examines whether the application of language learning strategy(LLS) in the networkbased environment has incomparable superiority. Beginning with the literature review, it presents an analysis on similarities and differences between network-based language learning strategy(NBLLS) and non-NBLLS, and then expounds the characteristics,the influencing factors and teachers' role of NBLLS. Taking 25 participants in the group of non-NBLL and 34 in the NBLL group as the comparative survey study, the empirical result shows the new evidence that there is a little difference between the two groups in the use of LLS. The findings of this study have implications for the application of NBLLS.

关键词： language learning strategy application implication network-based

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An Experimental Study of network-based Language Learning in Less-developed Areas

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海外英语 2012年第12X期 7-9页

作者：王正华常州轻工职业技术学院基础部江苏常州213164

The advent of the Age of Information brings about bright prospects to network-based Language Learning(NBLL).The thesis adopts the Engagement Theory as guided *** purpose is to use the novel NBLL model effectively with the help of modern technology especially in less-developed *** thesis focuses on network-based experimental *** research shows that the students under NBLL environment have cultivated the capabilities in information collection,computer operation,and information evaluation,as well as the abilities in problem solving,reasoning with criticism,and cooperating with others.

关键词： the engagement theory network-based language learn

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Where Have network-based Self-learning Classes Gone?——Reflections & Expectations on the Employment of network-based Self-learning Classes

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海外英语 2012年第18期 279-280页

作者：吴雪茵宁夏大学外国语学院宁夏银川750021

To respond to the further development of college English reforms,many universities employed network-based selflearning classes to aid the traditional classroom teaching,especially in teaching listening,but as time went by,some universities gradually gave them *** paper intends to reflect on the employment of network-based self-learning listening classes,analyz ing the learning with and without its aid,and meanwhile introduce the need to re-employ it,and discuss how we can improve the network-based self-learning classes to help with students' listening.

关键词： network-based self-learning listening improvement

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College English Teachers’ Beliefs on network-based Language Learning

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教师 2018年第29期 45-46页

作者：樊海怡文山学院

The advantages and disadvantages for learning English in the network-based environment attract most researchers’concern *** study profiles college English teachers’beliefs about the networkbased language *** main finding is that teachers’beliefs about network-based language learning are heterogeneous and thus reflect a wide range in terms of the evolution of approaches and technology use.

关键词： college English teachers’beliefs network-based language learning

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AN EMPIRICAL RESEARCH ON network-based TEACHING APPROACH AND ITS EFFECTS

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Chinese Journal of Applied Linguistics 2006年第5期29卷 33-39,127页

作者：张瑞明徐延徐穗广州大学

This is an empirical research on network-based teaching approach. By adopting the theory of autonomy, we redesigned the class arrangement. After the research was carried out for three months, a questionnaire was designed to learn of the student's attitude change towards the learning of English. The results show that over 80% of the students agree with the network-based teaching approach. They especially like the teaching of listening and speaking. Students have a stronger motivation than before and are more interested in learning English. We also analyzed the students' CET4 scores, and found the experimental group made more progress than the control group. All these are of great value to our further research.

关键词： network-based teaching approach autonomy

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