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In this paper, we study the trajectory and resource optimization for lightweight rotary-wing unmanned aerial vehicles (UAVs) equipped with a synthetic aperture radar (SAR) system. The UAV's mission is to perform SAR imaging of a given area…

信号处理 · 电气工程与系统科学 2022-07-14 Mohamed-Amine Lahmeri , Walid Ghanem , Christina Knill , Robert Schober

In this paper, the effective use of multiple quadrotor drones as an aerial antenna array that provides wireless service to ground users is investigated. In particular, under the goal of minimizing the airborne service time needed for…

信号处理 · 电气工程与系统科学 2018-09-27 Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

In unmanned aerial vehicle (UAV) applications, the UAV's limited energy supply and storage have triggered the development of intelligent energy-conserving scheduling solutions. In this paper, we investigate energy minimization for UAV-aided…

信号处理 · 电气工程与系统科学 2020-06-30 Yaxiong Yuan , Lei Lei , Thang Xuan Vu , Symeon Chatzinotas , Sumei Sun , Bjorn Ottersten

This paper studies high-speed online planning in dynamic environments. The problem requires finding time-optimal trajectories that conform to system dynamics, meeting computational constraints for real-time adaptation, and accounting for…

机器人学 · 计算机科学 2025-02-21 Gilhyun Ryou , Lukas Lao Beyer , Sertac Karaman

Providing smooth reference trajectories can effectively increase performance and accuracy of tracking control applications while overshoot and unwanted vibrations are reduced. Trajectory planning computations can often be simplified…

机器人学 · 计算机科学 2020-12-15 Florentin Rauscher , Oliver Sawodny

Minimum-time navigation within constrained and dynamic environments is of special relevance in robotics. Seeking time-optimality, while guaranteeing the integrity of time-varying spatial bounds, is an appealing trade-off for agile vehicles,…

机器人学 · 计算机科学 2022-09-07 Jon Arrizabalaga , Markus Ryll

Autonomous drone swarms are a burgeoning technology with significant applications in the field of mapping, inspection, transportation and monitoring. To complete a task, each drone has to accomplish a sub-goal within the context of the…

机器人学 · 计算机科学 2021-01-14 Rohith Gandhi Ganesan , Samantha Kappagoda , Giuseppe Loianno , David K. A. Mordecai

Drones equipped with cameras are emerging as a powerful tool for large-scale aerial 3D scanning, but existing automatic flight planners do not exploit all available information about the scene, and can therefore produce inaccurate and…

计算机视觉与模式识别 · 计算机科学 2017-08-07 Mike Roberts , Debadeepta Dey , Anh Truong , Sudipta Sinha , Shital Shah , Ashish Kapoor , Pat Hanrahan , Neel Joshi

The growing demand for drone navigation in urban and restricted airspaces requires real-time path planning that is both safe and scalable. Classical methods often struggle with the computational load of high-dimensional optimization under…

UAV trajectory planning is often done in a two-step approach, where a low-dimensional path is refined to a dynamic trajectory. The resulting trajectories are only locally optimal, however. On the other hand, direct planning in…

机器人学 · 计算机科学 2022-05-05 Sebastian Schräder , Daniel Schleich , Sven Behnke

It is a significant requirement for a quadrotor trajectory planner to simultaneously guarantee trajectory quality and system lightweight. Many researchers focus on this problem, but there's still a gap between their performance and our…

机器人学 · 计算机科学 2025-02-25 Jialiang Hou , Neng Pan , Zhepei Wang , Jialin Ji , Yuxiang Guan , Zhongxue Gan , Fei Gao

This paper investigates a hybrid compositional approach to optimal mission planning for multi-rotor Unmanned Aerial Vehicles (UAVs). We consider a time critical search and rescue scenario with two quadrotors in a constrained environment.…

机器人学 · 计算机科学 2019-09-20 Usman A. Fiaz , John S. Baras

The traditional multicopter design method usually requires a long iterative process to find the optimal design based on given performance requirements. The method is uneconomical and inefficient. In this paper, a practical method is…

系统与控制 · 电气工程与系统科学 2019-08-20 Xunhua Dai , Quan Quan , Kai-Yuan Cai

The robotics community is increasingly interested in autonomous aerial transportation. Unmanned aerial vehicles with suspended payloads have advantages over other systems, including mechanical simplicity and agility, but pose great…

机器人学 · 计算机科学 2023-10-24 Haojia Li , Haokun Wang , Chen Feng , Fei Gao , Boyu Zhou , Shaojie Shen

We investigate the problem of efficiently computing optimal transport (OT) distances, which is equivalent to the node-capacitated minimum cost maximum flow problem in a bipartite graph. We compare runtimes in computing OT distances on data…

数据结构与算法 · 计算机科学 2020-07-07 Yihe Dong , Yu Gao , Richard Peng , Ilya Razenshteyn , Saurabh Sawlani

In many unmanned aerial vehicle (UAV) applications for surveillance and data collection, it is not possible to reach all requested locations due to the given maximum flight time. Hence, the requested locations must be prioritized and the…

机器人学 · 计算机科学 2022-12-01 Fabian Meyer , Katharina Glock

This paper studies real-time motion planning and control for ball bumping motion with quadruped robots. To enable the quadruped to bump the flying ball with different initializations, we develop a nonlinear trajectory optimization-based…

机器人学 · 计算机科学 2022-10-12 Qiayuan Liao , Zhefeng Cao , Hua Chen , Wei Zhang

We consider a natural generalization of classical scheduling problems in which using a time unit for processing a job causes some time-dependent cost which must be paid in addition to the standard scheduling cost. We study the scheduling…

数据结构与算法 · 计算机科学 2018-12-03 Lin Chen , Nicole Megow , Roman Rischke , Leen Stougie , José Verschae

Unmanned aerial vehicles (UAVs), commonly known as drones, are being increasingly deployed throughout the globe as a means to streamline monitoring, inspection, mapping, and logistic routines. When dispatched on autonomous missions, drones…

机器人学 · 计算机科学 2023-04-10 Rashid Alyassi , Majid Khonji , Areg Karapetyan , Sid Chi-Kin Chau , Khaled Elbassioni , Chien-Ming Tseng

This paper presents the development and evaluation of an optimization-based autonomous trajectory planning algorithm for the asteroid reconnaissance phase of a deep-space exploration mission. The reconnaissance phase is a low-altitude flyby…