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Hak-Jun Lee and Dahoon Ahn
This paper presents an air bearing stage that uses flexure for yaw motion compensation. The proposed stage realizes motion in three degrees of freedom (DOF), which are the X, Y, and Tz directions. To work with Tz as the rotational motion of the stage, we...
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Yuhan Niu, Xingyou Chen, Li Chen, Zhiwei Zhu and Peng Huang
Taking advantage of the concurrent stretching and bending property of corrugated flexure hinges, a sinusoidal corrugated flexure linkage was proposed and applied for the construction of a corrugated dual-axial mechanism with structural symmetry and decou...
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Xingyu Chen, Liye Zhao, Jiawen Xu and Zhikang Liu
Micro-newton thrust stands are widely used in thruster ground calibration procedures for a variety of space missions. The conventional analytical model does not consider the gravity-induced extension effect and systematic error in displacement for thrust...
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Bimal Jeet Goteea, Qianjun Zhang and Wei Dong
In this manuscript, a compact electromagnetic dual actuation positioning system (CEDAPS) based on the Lorentz force principle that features a 10 mm range and nanometer-scale resolution with flexure guides is presented. Firstly, the stiffness of the flexu...
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Yonghong Zhang, Chengmin Wang, Shuangquan Tang, You Jiang, Hong Chen and Wenjie Ge
This study investigates and designs a novel stacked hinge with low stiffness, large rotation angle, high strength, and length-adaptive functionality. Firstly, based on the large deformation theory of cantilever beams and relevant theories of leaf springs...
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Hiromi Kaji and Toru Takeshita
We conducted microstructural and microchemical analyses of deformation bands in a forearc fold belt consisting of the Eocene Urahoro Group located in northern Japan. In the study area, there was one flexure (or monocline) developed where deformation band...
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Alessio Buzzin, Andrea Rossi, Ennio Giovine, Giampiero de Cesare and Nicola Pio Belfiore
Downscaling has been a focal task of Electronics and Electromechanics in the last few decades, and a great engine for technological progress as well. Nevertheless, a scaling operation affects device physics, functioning and performance. The present paper...
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Mingxiang Ling, Lei Yuan, Zhihong Luo, Tao Huang and Xianmin Zhang
Ongoing interests in high-speed precision actuation continuously sparks great attention on developing fast amplified piezoelectric actuators (APAs) with compliant mechanisms. A new type of APA with enhanced resonance frequency is herein reported based on...
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Nazim Abdul Nariman, Khader Hamdia, Ayad Mohammad Ramadan and Hamed Sadaghian
In this paper, an optimization approach was presented for the flexural strength and stiffness design of reinforced concrete beams. Surrogate modeling based on machine learning was applied to predict the responses of the structural system in three-point f...
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Sang-Woo Kim, Dong-Seok Han and Kil-Hee Kim
This study evaluates the effect of shear on the deflection of reinforced concrete (RC) beams subjected to combined bending and shear. A total of nine simply supported beams were manufactured with the shear span-to-depth ratio, tension steel ratio, and sh...
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Chang-Whan Lee, Dong-Jun Kim, Sung-Kwon Kim and Kyuho Sim
The free-piston Stirling engine is a closed-cycle regenerative heat engine that converts heat energy into mechanical work, and requires a spring element for vibratory operations of the displacer and power pistons. In this study, the geometry of the flexu...
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Sang-Woo Kim
This study proposes a method for predicting the deflection of shear-critical reinforced concrete (RC) beams. Shear deterioration of shear-critical RC beams occurs before flexural yielding. After shear deterioration occurs in the shear-critical RC beams, ...
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Deyi Xu, Yang Yang and Zongping Chen
Due to the advantage of saving indoor space, a special-shaped column frame attracted more attention of the engineers and researchers. This paper presented a quasi-static cyclic loading experiment of six specimens of reinforced concrete (RC) L-shaped colu...
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A. Sakbana,M. Mashrei
Pág. Page 148 - 169
This study concerns with flexural behavior of RC beams strengthened by carbon fiber reinforced polymer (CFRP) using finite element method (FEM). ABAQUS program has been used in this research. The load-deflection relationship, crack pattern, strain in the...
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Hanlun Zhang, Zehao Wu and Qingsong Xu
This paper presents the design of a new flexure-based xy micropositioning stage with a large hollow platform, which is suitable for practical use with a microscope. The designed mechanism has a parallel-kinematic structure and is actuated by two voice co...
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Imran Hussain, Wei Xia, Dongpo Zhao, Peng Huang and Zhiwei Zhu
In this paper, a voice coil motor (VCM) actuated fast tool servo (FTS) system is developed for diamond turning. To guide motions of the VCM actuator, a crossed double parallelogram flexure mechanism is selected featuring totally symmetric structure with ...
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Shahabe Saquib, AlQarni Abdullah, Das Gotam, Naqash Talib, Sibghatullah Muhammad and AlHaid Sultana
Splinting of the mobile teeth is a critical part of periodontal management to improve the prognosis and longevity of stable results of periodontally compromised teeth with increased mobility. Different types of splints are used in the dental field based ...
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Jianan Xu, Haiyang Zhu, Daitao Guan and Yong Zhan
To improve the energy extraction performance of the oscillating hydrofoil, the lift force that acts on the oscillating hydrofoil is analyzed. The pressure difference between the oscillating hydrofoil?s opposing surfaces is dominant to generate the lift f...
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Joko Purnomo,Jimmy Chandra
Pág. 41 - 50
Reinforced concrete shear wall (RC wall) is an important element in tall buildings, which provides strength and stiffness against lateral loadings, e.g. earthquake and wind. Numerous researches have been conducted to study its nonlinear behavior via micr...
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Mario André Torres Melgarejo, Maximilian Darnieder, Sebastian Linß, Lena Zentner, Thomas Fröhlich and René Theska
Compliant mechanisms based on flexure hinges are widely used in precision engineering applications. Among those are devices such as precision balances and mass comparators with achievable resolutions and uncertainties in the nano-newton range. The exact ...
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