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L. V. Ursulyak,K. I. Zheleznov
Pág. 107 - 111
Principles of the object-oriented approach to development of the software for modeling longitudinal dynamic processes and processes of train?s progress are stated in this paper. Besides this, a method of differential equations system?s integration was an...
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Namkyun Im and Sangmin Lee
The effects of wave height and forward speed on the seakeeping performance of a small fishing vessel in irregular waves are evaluated using computational fluid dynamics (CFD). The wave height effect changed linearly for a forward speed in the head sea an...
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Nguyen Huu Loc Khuu, Van Anh Pham, Tran Thanh Cong Vu, Vu Thanh Binh Dao, Thuy Duy Truong, Ngoc Phi Nguyen and Tuong Quan Vo
In considering the problem of saving spaces during the transportation of items from one station to another, for example, in warehouses, factories, hospitals, etc., an automatic transportation system (ATS) that could take advantage of the above ceiling sp...
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Hyojoon An, Jong-Han Lee and Soobong Shin
The recent increase in earthquake activities has highlighted the importance of predicting the seismic response of structures. Damage to civil infrastructure, particularly bridges, can cause considerable human and property losses. The seismic performance ...
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Praveen Kumar Gupta, Goutam Ghosh, Virendra Kumar, Prabhu Paramasivam and Seshathiri Dhanasekaran
Lead Rubber Bearings (LRBs) represent one of the most widely employed devices for the seismic protection of structures. However, the effectiveness of the same in the case of curved bridges has not been judged well because of the complexity involved in cu...
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Hongqiang Sang, Jin Zhang, Xiujun Sun, Can Li, Lei Wang and Liwei Wang
A wave glider can convert vertical wave motion into its forward propulsion. There are many factors affecting the propulsion performance of a wave glider. The swing amplitude of hydrofoil can affect the efficiency of hydrofoil to capture wave energy, and ...
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Lars Kooijman, Riender Happee and Joost C. F. de Winter
In future traffic, automated vehicles may be equipped with external human-machine interfaces (eHMIs) that can communicate with pedestrians. Previous research suggests that, during first encounters, pedestrians regard text-based eHMIs as clearer than ligh...
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George E. Mustoe
Lower Eocene fluvial strata in the Chuckanut Formation preserve abundant bird and mammal tracks. Reptile trace fossils include footprints from a small turtle (ichnogenus Chelonipus), and several Crocodylian trackways that consist of irregularly spaced fo...
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Chunyu Song, Teer Guo, Jianghua Sui and Xianku Zhang
In order to solve the problem of the dynamic positioning control of large ships in rough sea and to meet the need for fixed-point operations, this paper proposes a dynamic positioning controller that can effectively achieve large ships? fixed-point contr...
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Xinyu Chen, Mingdong Chen, Mengmeng Liu, Yang Li, Deqiu Yang and Haihua Wu
To address the problem of poor ridging effect, a sweet potato ridging and shaping machine was designed and its overall structure and working principles were described. The design parameters of rotary tillage device, furrowing and shaping device and press...
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Baris Baspinar
This paper focuses on robust controller design for a generic helicopter model and terrain avoidance problem via artificial intelligence (AI). The helicopter model is presented as a hybrid system that covers hover and forward dynamics. By defining a set o...
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Zengyu Jia, Ruiqin Li, Yuan Wang, Juan Liu and Hailong Liang
Lower limb movement disorders caused by various reasons are an important public health problem currently facing the world. To solve this problem, a novel spatial 8R mechanism with a stable structure and motion performance for human hip joint rehabilitati...
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Chenhua Hua, Nailong Wu, Haodong Yuan, Xinyuan Chen, Yuqin Dong and Xianhui Zeng
Path planning is the precondition for Hybrid Autonomous Underwater Vehicles (HAUV) to enter the submerged area to undertake a mission. The influence of ocean currents on HAUV should be further investigated to obtain a time-optimal path. The improved A* a...
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Yonghui Cao, Shumin Ma, Yingzhuo Cao, Guang Pan, Qiaogao Huang and Yong Cao
The current development of manta ray robots is usually based on functional bionics, and there is a lack of bionic research to enhance the similarity of motion posture. To better exploit the characteristics of bionic, a similarity evaluation rule is const...
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Xiaokai Mu, Guan Yue, Nan Zhou and Congcong Chen
Simultaneous localization and mapping (SLAM) is an active localization method for Autonomous Underwater Vehicle (AUV), and it can mainly be used in unknown and complex areas such as coastal water, harbors, and wharfs. This paper presents a practical occu...
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Xiujun Sun, Chenyu Sun, Hongqiang Sang and Can Li
The wave glider is an ocean-wave-propelled autonomous marine vehicle with unique dual-body architecture, which can converse the energy obtained from the ocean wave into the forward thrust. In this paper, the dynamic models of the submerged glider based o...
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Yuchao Wang, Hui Wang, Dexin Zou and Huixuan Fu
When ships sail on the sea, the changes of ship motion attitude presents the characteristics of nonlinearity and high randomness. Aiming at the problem of low accuracy of ship roll angle prediction by traditional prediction algorithms and single neural n...
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Xiyu Liao, Zhanyang Chen, Hongbin Gui and Mengchao Du
The main hull encounters waves at first and causes waves to break, when trimarans are subject to the slamming in head waves. At this moment, emergence phenomena of side hulls will not occur. Thus, the slamming study of trimarans in oblique waves presents...
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Daehan Lee, Sanggi Ko, Jongyeol Park, Yong Cheol Kwon, Shin Hyung Rhee, Myungjun Jeon and Tae Hyung Kim
The present study aims to reduce the pitch motion of an assault amphibious vehicle system in seaways by waterjet impeller revolution rate control. A series of seakeeping tests were performed in a towing tank with a 1/4.5-scale model. This vehicle is manu...
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