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Qingni Yuan, Junhui Yi, Ruitong Sun and Huan Bai
To improve the path planning efficiency of a robotic arm in three-dimensional space and improve the obstacle avoidance ability, this paper proposes an improved artificial potential field and rapid expansion random tree (APF-RRT) hybrid algorithm for the ...
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Louise Cilliers, François Retief
Pág. 87 - 100
In this study the evolutionary development of orthopedics (management of diseases of bones and joints), which commenced in early Mesopotamia and Egypt, is followed through Classical times.The Greek in? uence probably commenced in the 6thcent...
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Louise Cilliers, François Retief
Pág. 87 - 100
In this study the evolutionary development of orthopedics (management of diseases of bones and joints), which commenced in early Mesopotamia and Egypt, is followed through Classical times.The Greek in? uence probably commenced in the 6thcent...
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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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Adel Younis, Fadi AlKhatib and Zuomin Dong
Mechanical vibrations have a significant impact on ride comfort; the driver is constantly distracted as a result. Volumetric engine inertial unbalances and road profile irregularities create mechanical vibrations. The purpose of this study is to employ o...
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Mateusz Malarczyk, Mateusz Zychlewicz, Radoslaw Stanislawski and Marcin Kaminski
In this paper, the problem of the remote control of electric drives with a complex mechanical structure is discussed. Oscillations of state variables and control precision are the main issues found in such applications. The article proposes a smart, IoT-...
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Mateusz Malarczyk, Grzegorz Kaczmarczyk, Jaroslaw Szrek and Marcin Kaminski
This paper presents the operation of a remotely controlled, wheel-legged robot. The developed Wi-Fi connection framework is established on a popular ARM microcontroller board. The implementation provides a low-cost solution that is in congruence with the...
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Marcin Bakala, Piotr Duch and Piotr Ostalczyk
This paper proposes a simple mathematical model based on the variable fractional-order difference equation of a robot arm. The model of the described arm does not consider the impact of the movement of the mobile platform, it was assumed that all degrees...
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Yifan Zhang and Quanmin Zhu
Industrial robots play an indispensable role in flexible production lines, and the faults caused by degradation of equipment, motors, mechanical system joints, and even task diversity affect the efficiency of production lines and product quality. Aiming ...
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Lin Hong, Xin Wang, Desheng Zhang and Hang Xu
Hydrodynamic coefficient estimation is crucial to the shape design, dynamic modeling, and control of underwater vehicles. In this paper, we conduct a numerical study on the hydrodynamic coefficient estimation of an underactuated underwater vehicle (actua...
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Ying Zhang, Dawei Guo and Yuntian Yang
This work describes the advances on a micro-newton torsional thrust balance for ionic liquid electrospray thruster (ILET) being developed in the National University of Defense Technology. The torsional thrust balance adopts an asymmetric pendulum arm abo...
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Feng Chen, Siqi Chen, Rongfan Zhang, Yongsheng Shi and Liangyao Gu
Trailing arms are widely used in the automobiles? suspension system, and effective detection of their wall thickness is essential to ensure their mechanical properties and to evaluate the casting process. In this work, an ultrasonic measurement model (UM...
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Aymeric Pionteck, Xavier Chiementin, Marcela Munera, Sébastien Murer, Delphine Chadefaux and Guillaume Rao
Human lower limbs are exposed to vibrations on a daily basis, during work, transport or sports. However, most of the FE (Finite Elements) and OMA (Operational Modal Analysis) studies focus either on the whole body or on the hand-arm system. The study pre...
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Wenhong Ma, Zhouyang Yang, Xiaochen Qi, Yu Xu, Dan Liu, Housen Tan, Yongbin Li and Xuhai Yang
The production of the Korla fragrant pear is significant, but the optimal harvesting time is short; therefore, the reasonable use of mechanical arms for harvesting is conducive to promoting the sustainable development of the fragrant pear industry. The e...
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Huimin Xu, Gaohong Yu, Chenyu Niu, Xiong Zhao, Yimiao Wang and Yijin Chen
Mature broccoli has large flower balls and thick stems. Therefore, manual broccoli picking is laborious and energy-consuming. However, the big spheroid vegetable-picking manipulator has a complex structure and poor enveloping effect and easily causes mec...
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Ji-Hong Li, Mun-Jik Lee, Hyungjoo Kang, Min-Gyu Kim and Gun Rae Cho
ROV trencher is a kind of ROV which trenches the sea floor using a specifically designed tool and buries the subsea cables and pipelines. According to the soil conditions, this trenching method can have two different types, one is mechanical cutting and ...
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Martin Goubej, Jana Königsmarková, Ronald Kampinga, Jakko Nieuwenkamp and Stéphane Paquay
The paper deals with development of a methodology for mechatronic system design using state-of-the-art model-based system engineering methods. A simple flexible robotic arm is considered as a benchmark problem for the evaluation of various techniques use...
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Jing Qi, Xilun Ding, Weiwei Li, Zhonghua Han and Kun Xu
Hand postures and speech are convenient means of communication for humans and can be used in human?robot interaction. Based on structural and functional characteristics of our integrated leg-arm hexapod robot, to perform reconnaissance and rescue tasks i...
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Zhaohua Wang, Nan Wu, Qingguo Wang, Yongxin Li, Quanwei Yang and Fenghe Wu
Biological structures have excellent mechanical performances including lightweight, high stiffness, etc. However, these are difficult to apply directly to some given complex structures, such as automobile frame, control arm, etc. In this study, a novel b...
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