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International Conference on engineering Tribology technology, ICETT 2014

作者： Sun-Hui, Yao Shang-Hsien, Hung Yen-Liang, Su Wen-Hsien, Kao Yueh-Feng, Lin Bachelor Degree Program in Technology Management Chang Jung Christian University Kway Jen Tainan71101 Taiwan Department of Mechanical Engineering National Chen Kung University Tainan70101 Taiwan Institute of Mechatronoptic System Chienkuo Technology University Zhanghua50094 Taiwan

ISBN: (纸本)9783038354581

A series of W-Al nanolayer coatings were deposited with varying content of aluminum from 0 at.% to 65 at.% by a unbalanced magnetron (UBM) sputtering system. The as-deposited coatings were investigated first. Then, the coatings were oxidized aiming to study their oxidation behavior. SEM, TEM, XRD, GDOS and nano-hardness tester were used. The results showed that the Al content had a significant effect on the performance of W-Al coatings. The hardness of as-deposited and oxidized coatings decreased with increasing Al content. The pure W coating was heavily oxidized. As the Al content increased, the oxidation decreased fast and then remained stable as the Al content was higher than 45at.%. The effects of formed oxides on hardness were discussed. © 2015 Trans Tech Publications, Switzerland.

关键词： Hardness

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How Fast Can a Robotic Drummer Beat Using Dielectric Elastomer Actuators?

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IEEE Robotics and Automation Letters 2024年第3期9卷 2638-2645页

作者： Wakle, Sudhir Lin, Tse-Han Huang, Shu Basu, Sumit Lau, Gih-Keong National Yang Ming Chiao Tung University International College of Semiconductor Technology Hsinchu30010 Taiwan Indian Institute of Technology Kanpur Mechanical Engineering Department Kanpur208016 India National Yang Ming Chiao Tung University Department of Graduate Degree Program of Robotics Hsinchu30010 Taiwan Industrial Technology Research Institute Mechanical and Mechatronics System Research Labs Zhudong 31057 Taiwan National Yang Ming Chiao Tung University Department of Mechanical Engineering International College of Semiconductor Technology Hsinchu30010 Taiwan

Fast drumming presents a speed challenge to many robotic arms. To simultaneously meet the needs for speed, stroke, and force, we proposed and tested a new double-saddle dielectric elastomer actuator (DEA) as the artificial biceps for driving a lightweight robotic drummer. This work finds that fast force induction is instrumental to the fast drumming by a DEA-driven drumstick. While a pure-shear series of DEA under a large pre-stretch and lateral reinforcement can generate a large isotonic stroke, it is not fast in isometric force induction. Instead, this work found a double-saddle DEA, which is a degenerated two-segment pure-shear DEA with a middle laterally buckled beam, managed to induce a faster isometric force at a 0.5 s down time constant when its ultimate actuation tapered due to substantial strain stiffening effect. As such, this double-saddle DEA-driven drummer suffered less from the dynamic stroke decrement than the 8-segment DEA did. A 4.4 g DEA managed to swing freely a 7.8 g drumstick up to nearly 60° at 6 kV and a maximum tip speed of up to 0.45 m/s. The drumming frequency upon 5.5 kV activation was up to 2-2.5 Hz. In comparison, an 8-segment pure-shear DEA-driven drummer failed to reach the drum when pulsed at 2 Hz. Interestingly, a slower stroke excited multiple drumbeats due to secondary bounces. To achieve a faster drumming to match a human drummer, it is foreseen that a harder dielectric elastomer material will help drive a faster soft robot. © 2016 IEEE.

关键词： Dielectric materials

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Characterization of Double HfZrO2based FeFET toward Low-Voltage Multi-Level Operation for High Density Nonvolatile Memory

Characterization of Double HfZrO2based FeFET toward Low-Volt...

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2022 International Symposium on VLSI technology, systems and Applications, VLSI-TSA 2022

作者： Lou, Z.-F. Liao, C.-Y. Hsiang, K.-Y. Lin, C.-Y. Lin, Y.-D. Yeh, P.-C. Wang, C.-Y. Yang, H.-Y. Tzeng, P.-J. Hou, T.-H. Tang, Y.-T. Lee, M.H. National Taiwan Normal University Institute and Undergraduate Program of Electro-Optical Engineering Taipei Taiwan National Yang Ming Chiao Tung University Department of Electronics Engineering Hsinchu Taiwan National Central University Department of Electrical Engineering Taoyuan Taiwan Industrial Technology Research Institute Electronic and Optoelectronic System Research Laboratories Hsinchu Taiwan

ISBN: (纸本)9781665409230

A double HfZrO2 (HZO) ferroelectric field-effect transistor (FeFET) is demonstrated with ultra-low operating voltage as |VP/E| = 3 V to achieve multilevel cell (MLC) nonvolatile memory (NVM). Compared to a single FE-HZO FeFET, the metal/ferroelectric/metal/ferroelectric/Si (MFMFS) structure results not only in a reduction of VP/E, but also provides a feasible memory window (MW) of 1.9 V for MLC operation. In addition, the metal/ferroelectric/insulator/ ferroelectric/Si (MFIFS) FeFET exhibits a MW as high as >2.5 V. The double HZO FeFET has potential to improve power consumption and enhance memory density for MLC-NVM applications. © 2022 IEEE.

关键词： Nonvolatile storage

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SUBDIVISION OF THICK SEDIMENTARY UNITS INTO LAYERS FOR SIMULATION OF GROUNDWATER-FLOW

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GROUND WATER 1985年第6期23卷 767-774页

作者： WEISS, JS WILLIAMSON, AK U.S. Geological Survey Water Resources Division 211 East 7th Street 3rd Floor Austin Texas 78701. Jonathan Weiss received his B.A. degree in Geological Sciences from the State University of New York in 1977 and his M.S. degree in Geology from The Ohio State University in 1982. He began employment with the U.S. Geological Survey in Ohio in 1979. He transferred to Au7stin Texas in 1982 to work on the Gulf Coast Regional Aquifer-System Analysis project. Alex E. Williamson completed undergraduate studies in Geography and Engineering at the University of California Berkeley and Western Washington State University with a B.S. degree in 1975. Upon graduation he began working for the U.S. Geological Survey in Sacramento California and he received an M.A. degree in Water Resources Engineering from California State University Sacramento in 1981. In 1978 he began working on the Central Valley Aquifer project of the national Regional Aquifer-System Analysis (RASA) program. Upon completion of that study in 1983 he transferred to Austin Texas to work on the Gulf Coast RASA.

Subdividing thick sedimentary units into model layers based solely on stratigraphy can lead to serious violation of ground-water flow modeling restraints and produce erroneous results. Borehole geophysical data can be used to suggest relative permeabilities and delineate model layers that are more likely to have uniform hydraulic properties than layers delineated by stratigraphic definitions alone. The uniformity within layers emphasizes the permeability contrast between layers, thereby allowing a quasi three-dimensional approach. Sedimentary units containing many thin beds of limited areal extent must be subdivided into model layers which incorporate large variations in hydraulic properties. The lack of permeability contrast between layers requires a fully three-dimensional approach. In this case, the subdivision into layers needs to be made by including an evaluation of depths of producing zones, and the resultant vertical distribution of hydraulic heads. Nonlinear vertical hydraulic-head gradients can occur in thick sedimentary units due to uneven vertical distribution of pumpage and small vertical permeabilities. Because these hydraulic-head gradients are not modeled within a layer, the subdivisions should be made such that the model layers permit simulation of vertical hydraulic-head gradients which can closely approximate observed gradients. These methods are applied to the thick sedimentary units of the Gulf Coastal Plain, U.S.A.

关键词： FLOW OF WATER

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A mems _-preconcentrator employing a carbon molecular sieve membrane for highly volatile organic compound sampling

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Chemosensors 2021年第5期9卷

作者： Kuo, Hung-Yang Cheng, Wei-Riu Wu, Tzu-Heng Sheen, Horn-Jiunn Wang, Chih-Chia Lu, Chia-Jung Department of Chemistry National Taiwan Normal University Taipei11677 Taiwan Institute of Applied Mechanics National Taiwan University Taipei10617 Taiwan Department of Chemical and Materials Engineering Chung Cheng Institute of Technology National Defense University Taoyuan33509 Taiwan Undergraduate Degree Program of System Engineering and Technology National Yang Ming Chiao Tung University Hsinchu30010 Taiwan

This paper presents the synthesis and evaluation of a carbon molecular sieve membrane (CMSM) grown inside a MEMS-fabricated μ-preconcentrator for sampling highly volatile organic compounds. An array of µ-pillars measuring 100 µm in diameter and 250 µm in height were fabricated inside a microfluidic channel to increase the attaching surface for the CMSM. The surface area of the CMSM was measured as high as 899 m2/g. A GC peak amplification factor >2 × 104 was demonstrated with gaseous ethyl acetate. Up to 1.4 L of gaseous ethanol at the 100 ppb level could be concentrated without exceeding the capacity of this microchip device. Sharp desorption chromatographic peaks ( © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

关键词： Molecular sieves

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A Comparison Diagnosis Algorithm for Conditional Fault Local Diagnosis of Multiprocessor systems 25th

A Comparison Diagnosis Algorithm for Conditional Fault Loca...

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25th International Computer Symposium on New Trends in Computer Technologies and Applications, ICS 2022

作者： Lv, Yali Lin, Cheng-Kuan Hsu, D. Frank Fan, Jianxi School of Information Technology Henan University of Chinese Medicine Zhengzhou China Department of Computer Science National Yang Ming Chiao Tung University Hsinchu Taiwan Undergraduate Degree Program of Systems Engineering and Technology National Yang Ming Chiao Tung University Hsinchu Taiwan Computer Science and Information Engineering Chung Cheng Institute of Technology NDU Taoyuan City Taiwan Department of Computer and Information Science Fordham University New York United States School of Computer Science and Technology Soochow University Suzhou China

ISBN: (纸本)9789811995811

An efficient diagnosis is very important for a multiprocessor system. In this paper, we present a (α, β) -trees combination S(u, X, α, β) and give some conclusions about the local diagnosis. Based on the (α, β) -trees combination, we give a conditional fault local diagnosis algorithm to identify the fault or fault-free status of each processor correctly under the MM ∗ model when the number of faulty nodes does not exceed α+ 2 β- 3 and every node has at least one fault-free neighboring node. According to our results, a connected network with a (α, β) -trees combination S(u, X, α, β) for a node u is conditionally locally (α+ 2 β- 3 ) -diagnosable at node u and the time complexity of our algorithm to diagnose u is O(α2β+ αβ2). As an application, we show that our algorithm can identify all the faulty nodes of n-dimensional star graph Sn if the faulty node number does not exceed 3 n- 8. Compared with existing algorithms, our algorithm allows more faulty node in a multiprocessor system. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Computational complexity

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Sasirangan Cloth Recognition and Shopping Experience Simulation Based on Virtual Reality Game with Non-Player Character Integration

Sasirangan Cloth Recognition and Shopping Experience Simulat...

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HCI and UX Conference in Indonesia (CHIuXiD), International

作者： Subandi Subandi Aulia Akhrian Syahidi Siti Zakiah Kiyoshi Kiyokawa Ahmad Riyadi M. Helmy Noor Smart City Information System Applied Undergraduate Program Politeknik Negeri Banjarmasin Banjarmasin Indonesia Informatics Engineering Undergraduate Program Faculty of Computer Science Universitas Brawijaya Malang Indonesia Cybernetics and Reality Engineering Laboratory Nara Institute of Science and Technology Ikoma Japan Informatics Engineering Diploma Program Politeknik Negeri Banjarmasin Banjarmasin Indonesia

ISBN: (纸本)9781665476652

Sasirangan cloth is one of the traditional cloths owned by Indonesia and is a typical cloth originating from the province of South Kalimantan. This Sasirangan cloth has many motifs and is unique. Sasirangan cloth is also one of the potentials that can attract local and foreign tourists to visit South Kalimantan. However, in recent years, tourist visits to South Kalimantan have decreased due to the impact of the COVID-19 pandemic. Then it also has an impact on the delay in the implementation of the Banjarmasin Sasirangan Festival which is usually held annually. The next impact is a decrease in turnover and interest in shopping for Sasirangan cloth, so that employees who work for Sasirangan cloth craftsmen are dismissed and reduce people's income. So the purpose of this study is to report the results of the development of a Virtual Reality Game application called VR-SasiranganKu by integrating the interaction of Non-Player Character (NPC) behavior with the type of narrative in the simulation genre game. VR-SasiranganKu is recommended to introduce and at the same time promote Sasirangan cloth to users, then justify the reaction to knowledge and shopping experience, and evaluate user experience using the UX Honeycomb method. Respondents involved as many as 100 people who are local and national tourists. The results show that the interaction of NPC behavior can provide good direction to users regarding the introduction of Sasirangan cloth by presenting an appropriate interaction design based on the narrative and the theme of the NPC that has been adopted, the results of justification using VR-SasiranganKu can provide knowledge reaction and very good shopping experience, and based on user experience evaluation that VR-SasiranganKu has adopted a very good UX with an average score of 4.91.

关键词： Human computer interaction COVID-19 Solid modeling Pandemics Games Virtual reality User experience

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P-27: Novel AlNiLa serves as gate electrodes of a-TFT for AMLCD

P-27: Novel AlNiLa serves as gate electrodes of a-TFT for AM...

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48th Annual SID Symposium, Seminar, and Exhibition 2010, Display Week 2010

作者： Liu, Po-Tsun Chou, Yi-Teh Hsu, Ting-Hao Huang, An-Di Chen, Bing-Mau Department of Photonics Display Institute National Chiao Tung University Hsinchu 300 Taiwan Department of Photonics Institute of Electro-Optical Engineering National Chiao Tung University Hsinchu 300 Taiwan Master Degree Program of Flat Panel Display Technology National Chiao Tung University Hsinchu 300 Taiwan Department of Opto-Electronic System Engineering Minghsin University of Science and Technology Hsinchu 30010 Taiwan

ISBN: (纸本)9781618390950

AlNiLa metallization technology is introduced for AMLCD as gate electrodes. Ni can effectively prevent Al diffusing into Si-based layer while La can obviously increase uniformity during AlNiLa deposition than that of conventional Al-Nd alloy. According to the electrical measurement results, the compatibility of AlNiLa in TFT has been verified.

关键词： Electrodes

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P-27: Novel AlNiLa serves as gate electrodes of a-TFT for AMLCD

P-27: Novel AlNiLa serves as gate electrodes of a-TFT for AM...

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作者： Liu, Po-Tsun Chou, Yi-Teh Hsu, Ting-Hao Huang, An-Di Chen, Bing-Mau Department of Photonics Display Institute National Chiao Tung University Hsinchu 300 Taiwan Department of Photonics Institute of Electro-Optical Engineering National Chiao Tung University Hsinchu 300 Taiwan Master Degree Program Flat Panel Display Technology National Chiao Tung University Hsinchu 300 Taiwan Department of Opto-Electronic System Engineering Minghsin University of Science and Technology Hsinchu 30010 Taiwan

关键词： Aluminum alloys

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Tracking Players in a Badminton Court by Two Cameras

arXiv

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arXiv 2023年

作者： Chou, Young-Ching Zhang, Shen-Ru Chen, Bo-Wei Chen, Hong-Qi Lin, Cheng-Kuan Tseng, Yu-Chee Department of Computer Science National Yang Ming Chiao Tung University Taiwan Undergraduate Degree Program of Systems Engineering and Technology National Yang Ming Chiao Tung University Taiwan Computer Science and Information Engineering Chung Cheng Institute of Technology NDU Taiwan

This study proposes a simple method for multi-object tracking (MOT) of players in a badminton court. We leverage two off-the-shelf cameras, one on the top of the court and the other on the side of the court. The one on the top is to track players’ trajectories, while the one on the side is to analyze the pixel features of players. By computing the correlations between adjacent frames and engaging the information of the two cameras, MOT of badminton players is obtained. This two-camera approach addresses the challenge of player occlusion and overlapping in a badminton court, providing player trajectory tracking and multi-angle analysis. The presented system offers insights into the positions and movements of badminton players, thus serving as a coaching or self-training tool for badminton players to improve their gaming strategies. Copyright © 2023, The Authors. All rights reserved.

关键词： Cameras

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