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Radio maps find numerous applications in wireless communications and mobile robotics tasks, including resource allocation, interference coordination, and mission planning. Although numerous techniques have been proposed to construct radio…

信号处理 · 电气工程与系统科学 2022-01-14 Raju Shrestha , Daniel Romero , Sundeep Prabhakar Chepuri

The capabilities of autonomous flight with unmanned aerial vehicles (UAVs) have significantly increased in recent times. However, basic problems such as fast and robust geo-localization in GPS-denied environments still remain unsolved.…

机器人学 · 计算机科学 2021-08-10 Shuxiao Chen , Xiangyu Wu , Mark W. Mueller , Koushil Sreenath

Unmanned aerial vehicles (UAVs) are becoming largely ubiquitous with an increasing demand for aerial data. Accurate navigation and localization, required for precise data collection in many industrial applications, often relies on RTK GNSS.…

机器人学 · 计算机科学 2021-04-02 Yu Xianjia , Li Qingqing , Jorge Pena Queralta , Jukka Heikkonen , Tomi Westerlund

Mars has been a prime candidate for planetary exploration of the solar system because of the science discoveries that support chances of future habitation on this planet. Martian caves and lava tubes like terrains, which consists of uneven…

机器人学 · 计算机科学 2022-08-16 Akash Patel , Avijit Banerjee , Bjorn Lindqvist , Christoforos Kanellakis , George Nikolakopoulos

This paper addresses the problem of active collaborative localization in heterogeneous robot teams with unknown data association. It involves positioning a small number of identical unmanned ground vehicles (UGVs) at desired positions so…

机器人学 · 计算机科学 2023-08-15 Igor Spasojevic , Xu Liu , Ankit Prabhu , Alejandro Ribeiro , George J. Pappas , Vijay Kumar

The Mars Perseverance Rover represents a generational change in the scale of measurements that can be taken on Mars, however this increased resolution introduces new challenges for techniques in exploratory data analysis. The multiple…

计算工程、金融与科学 · 计算机科学 2024-09-11 Austin P. Wright , Scott Davidoff , Duen Horng Chau

In this paper, we investigate joint 3-dimensional (3D) trajectory planning and resource allocation for rotary-wing unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) sensing. To support emerging real-time SAR applications and…

信号处理 · 电气工程与系统科学 2024-04-02 Mohamed-Amine Lahmeri , Walid R. Ghanem , Christina Bonfert , Robert Schober

Unmanned aerial vehicle (UAV) is becoming increasingly important in modern civilian and military applications. However, its novel use cases is bottlenecked by conventional satellite and terrestrial localization technologies, and calling for…

信号处理 · 电气工程与系统科学 2024-01-10 Bin Han , Hans D. Schotten

In this paper, we study the communication problem from rovers on Mars' surface to Mars-orbiting satellites. We first justify that, to a good extent, the rover-to-orbiter communication problem can be modelled as communication over a $2…

信息论 · 计算机科学 2015-12-11 Songze Li , David T. H. Kao , A. Salman Avestimehr

Indoor localization for autonomous micro aerial vehicles (MAVs) requires specific localization techniques, since the Global Positioning System (GPS) is usually not available. We present an efficient onboard computer vision approach that…

机器人学 · 计算机科学 2016-10-25 V. Strobel , R. Meertens , G. C. H. E. de Croon

This paper presents a localization technique using aerial imagery maps and LIDAR based ground reflectivity for autonomous vehicles in urban environments. Traditional localization techniques using LIDAR reflectivity rely on high definition…

机器人学 · 计算机科学 2020-03-26 Ankit Vora , Siddharth Agarwal , Gaurav Pandey , James McBride

Future Mars missions will require advanced guidance, navigation, and control algorithms for the powered descent phase to target specific surface locations and achieve pinpoint accuracy (landing error ellipse $<$ 5 m radius). The latter…

系统与控制 · 计算机科学 2018-10-23 Brian Gaudet , Richard Linares , Roberto Furfaro

In emergency search and rescue scenarios, the quick location of trapped people is essential. However, disasters can render the Global Positioning System (GPS) unusable. Unmanned aerial vehicles (UAVs) with localization devices can serve as…

多智能体系统 · 计算机科学 2024-01-17 Zhihao Zhu , Jiafan He , Luyang Hou , Lianming Xu , Wendi Zhu , Li Wang

This paper studies the optimal unmanned aerial vehicle (UAV) placement problem for wireless networking. The UAV operates as a flying wireless relay to provide coverage extension for a base station (BS) and deliver capacity boost to a user…

信息论 · 计算机科学 2019-11-01 Junting Chen , David Gesbert

Ultra-wideband technology has emerged in recent years as a robust solution for localization in GNSS denied environments. In particular, its high accuracy when compared to other wireless localization solutions is enabling a wider range of…

信号处理 · 电气工程与系统科学 2022-04-12 Wang Shule , Carmen Martínez Almansa , Jorge Peña Queralta , Zhuo Zou , Tomi Westerlund

Ballistic capture orbits offer safer Mars injection at longer transfer time. However, the search for such an extremely rare event is a computationally intensive process. Indeed, it requires the propagation of a grid sampling the whole…

动力系统 · 数学 2023-08-22 Thomas Caleb , Gianmario Merisio , Pierluigi Di Lizia , Francesco Topputo

A new 3D localization and mapping techinque with terrain inclination assistance is proposed in this paper to allow a robot to identify its location and build a global map in an outdoor environment. The Iterative Closest Points (ICP)…

机器人学 · 计算机科学 2019-05-09 Xiaorui Zhu , Chunxin Qiu , Mark A. Minor

Localization, that is the estimation of a robot's location from sensor data, is a fundamental problem in mobile robotics. This papers presents a version of Markov localization which provides accurate position estimates and which is tailored…

人工智能 · 计算机科学 2011-06-02 W. Burgard , D. Fox , S. Thrun

The ExoMars mission of the program Aurora (ESA) aims to send a vehicle (Rover) on Mars in 2013. Beyond the technological aspects of the mission, the Rover will also carry scientific instruments for the analysis of Mars subsurface to search…

This work presents a 3D multi-robot exploration framework for a team of UGVs moving on uneven terrains. The framework was designed by casting the two-level coordination strategy presented in [1] into the context of multi-robot exploration.…

机器人学 · 计算机科学 2023-07-10 Luigi Freda , Tiago Novo , David Portugal , Rui P. Rocha