arXiv: Multiagent Systems最新文献

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Reachability-Based Safety and Goal Satisfaction of Unmanned Aerial Platoons on Air Highways 基于可达性的空中高速公路无人机排安全与目标满足
arXiv: Multiagent Systems Pub Date : 2016-02-25 DOI: 10.2514/1.G000774
Mo Chen, Qie Hu, J. Fisac, Kene Akametalu, Casey Mackin, C. Tomlin
{"title":"Reachability-Based Safety and Goal Satisfaction of Unmanned Aerial Platoons on Air Highways","authors":"Mo Chen, Qie Hu, J. Fisac, Kene Akametalu, Casey Mackin, C. Tomlin","doi":"10.2514/1.G000774","DOIUrl":"https://doi.org/10.2514/1.G000774","url":null,"abstract":"Recently, there has been immense interest in using unmanned aerial vehicles (UAVs) for civilian operations. As a result, unmanned aerial systems traffic management is needed to ensure the safety and goal satisfaction of potentially thousands of UAVs flying simultaneously. Currently, the analysis of large multi-agent systems cannot tractably provide these guarantees if the agents' set of maneuvers is unrestricted. In this paper, platoons of UAVs flying on air highways is proposed to impose an airspace structure that allows for tractable analysis. For the air highway placement problem, the fast marching method is used to produce a sequence of air highways that minimizes the cost of flying from an origin to any destination. The placement of air highways can be updated in real-time to accommodate sudden airspace changes. Within platoons traveling on air highways, each vehicle is modeled as a hybrid system. Using Hamilton-Jacobi reachability, safety and goal satisfaction are guaranteed for all mode transitions. For a single altitude range, the proposed approach guarantees safety for one safety breach per vehicle, in the unlikely event of multiple safety breaches, safety can be guaranteed over multiple altitude ranges. We demonstrate the platooning concept through simulations of three representative scenarios.","PeriodicalId":263659,"journal":{"name":"arXiv: Multiagent Systems","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127983354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 46
Distributed Algorithms for Stochastic Source Seeking with Mobile Robot Networks: Technical Report 移动机器人网络随机源搜索的分布式算法:技术报告
arXiv: Multiagent Systems Pub Date : 2014-01-31 DOI: 10.1115/1.4027892
Nikolay A. Atanasov, J. L. Ny, George J. Pappas
{"title":"Distributed Algorithms for Stochastic Source Seeking with Mobile Robot Networks: Technical Report","authors":"Nikolay A. Atanasov, J. L. Ny, George J. Pappas","doi":"10.1115/1.4027892","DOIUrl":"https://doi.org/10.1115/1.4027892","url":null,"abstract":"Autonomous robot networks are an effective tool for monitoring large-scale environmental fields. This paper proposes distributed control strategies for localizing the source of a noisy signal, which could represent a physical quantity of interest such as magnetic force, heat, radio signal, or chemical concentration. We develop algorithms specific to two scenarios: one in which the sensors have a precise model of the signal formation process and one in which a signal model is not available. In the model-free scenario, a team of sensors is used to follow a stochastic gradient of the signal field. Our approach is distributed, robust to deformations in the group geometry, does not necessitate global localization, and is guaranteed to lead the sensors to a neighborhood of a local maximum of the field. In the model-based scenario, the sensors follow the stochastic gradient of the mutual information between their expected measurements and the location of the source in a distributed manner. The performance is demonstrated in simulation using a robot sensor network to localize the source of a wireless radio signal.","PeriodicalId":263659,"journal":{"name":"arXiv: Multiagent Systems","volume":"210 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114367253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 74
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