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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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Weixiang Zhou, Mengyan Ning, Jian Ren and Jiqiang Xu
An effective path-following controller is a guarantee for stable sailing of underactuated unmanned surface vehicles (USVs). This paper proposes an event-triggered robust control approach considering an unknown model nonlinearity, external disturbance, an...
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Fei Liu, Wuxiang Zhang, Junfan Shang, Minghui Yi, Shenru Wang and Xilun Ding
Automated fiber placement (AFP) systems accommodate complex-shaped structures by pressing fibers against the non-planar surfaces of mandrels, in which compaction mechanisms are of crucial significance. A conventional compaction mechanism utilizes an inde...
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Babak Salamat and Gerhard Elsbacher
Steering large-scale particle or robot systems is challenging because of their high dimensionality. We use a centralized stochastic approach that allows for optimal control at the cost of a central element instead of a decentralized approach. Previous wo...
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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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Yuxi Zhang and Yong Liu
In this paper, the path following of an underactuated ship as a fundamental application for autonomous sailing in seaways is studied. First, the guidance system based on the line of sight (LOS) method is established to handle underactuated dynamics of sh...
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Wooseok Ryu, Youngjin Choi, Yong Je Choi, Yeong Geol Lee and Sungon Lee
We developed an anthropomorphic prosthetic hand with an underactuated mechanism for wrist or forearm amputees. The fabricated prototype is 475 g and can realize self-adaptive grasping, adduction/abduction, and flexion/extension motions.
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Wenhao Yang and Wenzeng Zhang
Based on the motion principle of bionic earthworms, we designed and fabricated a novel crawling robot driven by pneumatic power. Its structure is divided into four segments, and its motion process is periodic with high stability. Due to the pneumatic suc...
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