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河系自动结构化算法设计与实现 被引量:1
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作者 肖提荣 吴玉婷 +1 位作者 林小柏 何照攀 《测绘技术装备》 2019年第3期43-45,42,共4页
分析了河系网络空间结构特征,以几何网络矢量数据模型描述河流网络,利用基于效用几何网络分析法来追溯整个河系的结构,实现河系自动结构化,进而实现河流自动分等分段;并基于ArcGIS网络分析功能研发出自动化插件工具。实验表明该工具可... 分析了河系网络空间结构特征,以几何网络矢量数据模型描述河流网络,利用基于效用几何网络分析法来追溯整个河系的结构,实现河系自动结构化,进而实现河流自动分等分段;并基于ArcGIS网络分析功能研发出自动化插件工具。实验表明该工具可以快速完成河流等级划分,并按顺序逐条、逐段编号,为制图人员实现河流的快速选取及符号化提供可靠依据。 展开更多
关键词 河系结构 河流自动分级 插件工具 水系制图
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Virtual Reality Simulation of Fuzzy-logic Control during Underwater Dynamic Positioning 被引量:4
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作者 Midhin Das Thekkedan Cheng Siong Chin Wai Lok Woo 《Journal of Marine Science and Application》 CSCD 2015年第1期14-24,共11页
In this paper, graphical-user-interface (GUI) software for simulation and fuzzy-logic control of a remotely operated vehicle (ROV) using MATLABTM GUI Designing Environment is proposed. The proposed ROV's GUI plat... In this paper, graphical-user-interface (GUI) software for simulation and fuzzy-logic control of a remotely operated vehicle (ROV) using MATLABTM GUI Designing Environment is proposed. The proposed ROV's GUI platform allows the controller such as fuzzy-logic control systems design to be compared with other controllers such as proportional-integral-derivative (PID) and sliding-mode controller (SMC) systematically and interactively. External disturbance such as sea current can he added to improve the modelling in actual underwater environment. The simulated results showed the position responses of the fuzzy-logic control exhibit reasonable performance under the sea current disturbance. 展开更多
关键词 graphical-user-interface (GUI) fuzzy-logic control remotely operated vehicle (ROV) proportional-integral-derivative (PID) sliding-mode controller (SMC) underwater dynamic positioning
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