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M. M. Kedrya,M. L. Kumpan
Pág. 68 - 70
The one-dimensional electromechanical system with the hauling electric drive of successive excitation is examined. Differential equations, flow diagram and transmission function on entrance influence are given. The system operational modes under the dete...
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Fábio Lúcio Santos, Daniel Marçal de Queiroz, Domingos Sárvio Magalhães Valente, André Luiz de Freitas Coelho
Pág. 11 - 17
Mechanical harvesting can be considered an important factor to reduce the costs in coffee production and to improve the quality of the final product. Coffee harvesting machinery uses mechanical vibrations to accomplish the harvesting. Therefore, the dete...
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Zhonglin Lin, Weixiong Wang, Yufeng Li, Xinglong Zhang, Tianhong Zhang, Haitao Wang, Xianyu Wu and Feng Huang
In the process of unmanned aerial vehicle (UAV) visual-navigation-algorithm design and accuracy verification, the question of how to develop a high-precision and high-reliability semi-physical simulation platform has become a significant engineering prob...
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Ivana Bari?ic, Tihomir Dok?anovic and Matija Zvonaric
Digital image correlation (DIC) is a method of point displacement measurement by an optical system. If two cameras are used for capturing the same point displacement, three-dimensional data are obtained using the 3D-DIC method. The areas of application o...
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Maokai Sun, Shenghai Wang, Guangdong Han, Lin An, Haiquan Chen and Yuqing Sun
Payload lifting is inefficient and high-risk under rough sea conditions. Thus, it is not easy to achieve precise assembly, and the swing payload is liable to collide with other structures on deck and cause damage. In this paper, to explore the complex dy...
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Dongbing Guo, Chunhui Wang, Baoling Qi, Yu Zhang and Qingyan Li
Active imaging technology can perceive the surrounding environment and obtain three-dimensional information of the target. Among them, light detection and ranging (LiDAR) imaging systems are one of the hottest topics in the field of photoelectric active ...
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Zu Seong Park, Young Yun Woo, Sang Wook Han, Il Yeong Oh, Tae Woo Hwang, Yangjin Kim and Young Hoon Moon
A diffusion bonding system to fabricate long tubular parts by joining of two- or more-unit tubes made of tungsten heavy alloys (THAs) is proposed and characterized in this study. The difficulty of powder processing of THA originates from the weak strengt...
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Jea Seang Lim, Tae Sung Park, Yu Min Choi and Ik Keun Park
Composite materials have attracted significant attention with regard to the manufacturing of structures that require weight reduction, such as automobiles and aircraft, because they are more resistant to corrosion and fatigue than conventional metal mate...
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Giulia Angelucci, Fabrizio Mollaioli and Roberto Tardocchi
Inspired by the high mechanical performance of diagrid structures, the minimization of material consumption on braced tubes and the expressive potency of tensegrity modular structures, this work proposes an innovative three-dimensional system for tall bu...
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Frank Böhnke
The ear is able to detect low-level acoustic signals by a highly specialized system including a parametric amplifier in the cochlea. This is verified by a numerical mechanical model of the cochlea, which reduces the three-dimensional (3D) system to a one...
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Bassam A. Younis, Laura Mahoney and Nicholas Palomo
We present a novel system for water disinfection with ultra-violet (UV) radiation. In this system, the UV lamps do not come into contact with the water and hence remain free of fouling. The system incorporates a diffusor and a nozzle, with stationary gui...
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Chi-Jeng Bai, Wei-Cheng Wang, Po-Wei Chen and Wen-Tong Chong
In designing a horizontal-axis wind turbine (HAWT) blade, system integration between the blade design and the performance test of the generator is important. This study shows the aerodynamic design of a HAWT blade operating with an axial-flux permanent m...
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Xueliang Jiang, Wenjie Liu, Hui Yang, Zhenyu Li, Wenchen Fan and Feifei Wang
Although the current ecological engineering technology can reinforce shallow landslides, it cannot reinforce deep landslides. A new type of ecological engineering technology-living tree stump slope protection was developed, aiming at the deficiency of cu...
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Chengyuan Lin, Lebin Huang, Shangyong Chen, Mengshuang Huang, Ruyi Wang and Qinwen Tan
Pile groups are frequently employed to reinforce soft soil foundations, while the piling process frequently disturbs the adjacent foundation. The shielding effect, which prevents the transmission of disturbances from pile installation, is indispensable f...
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Barrie Dams, Binling Chen, Paul Shepherd and Richard J. Ball
Additive Manufacturing (AM) methods in the construction industry typically employ ground-based deposition methods. An alternative to transform the role of AM in construction is to introduce an aerial capability. A recent project titled Aerial Additive Ma...
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Hanxin Chen, Shaoyi Li and Menglong Li
Conventional signal processing methods such as Principle Component Analysis (PCA) focus on the decomposition of signals in the 2D time?frequency domain. Parallel factor analysis (PARAFAC) is a novel method used to decompose multi-dimensional arrays, whic...
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Hongjie Zou, Yitao Zhang, Jun Zhang, Chuanglu Chen, Xingguang Geng, Shaolong Zhang and Haiying Zhang
Pulse wave signal sensed over the radial artery on the wrist is a crucial physiological indicator in disease diagnosis. The sensor array composed of multiple sensors has the ability to collect abundant pulse wave information. As a result, it has graduall...
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Peter Wierach, Jan Petersen and Michael Sinapius
The focus of the work is on the evaluation, development and integration of a robust actuator system for three-dimensional flow control of a blown Coanda flap to improve the high lift system of commercial aircraft. As part of the research work presented, ...
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Esmaeil Mohammadi Dehcheshmeh, Parya Rashed, Vahid Broujerdian, Ayoub Shakouri and Farhad Aslani
This paper summarizes a study focused on evaluating the post-fire performance of steel Intermediate Moment Frames (IMFs) following earthquakes. To this aim, archetypes comprising 3-bay IMFs with three different heights were seismically designed, and thei...
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Minho Seong, Hyun-Ha Park, Insol Hwang and Hoon Eui Jeong
Diverse physical interlocking devices have recently been developed based on one-dimensional (1D), high-aspect-ratio inorganic and organic nanomaterials. Although these 1D nanomaterial-based interlocking devices can provide reliable and repeatable shear a...
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