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Related papers: Perception-Aware Time-Optimal Planning for Quadrot…

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Time-optimal trajectories drive quadrotors to their dynamic limits, but computing such trajectories involves solving non-convex problems via iterative nonlinear optimization, making them prohibitively costly for real-time applications. In…

Robotics · Computer Science 2025-06-18 Katherine Mao , Hongzhan Yu , Ruipeng Zhang , Igor Spasojevic , M Ani Hsieh , Sicun Gao , Vijay Kumar

The flying speed of autonomous quadrotors has increased significantly over the past 5 years, particularly in the field of autonomous drone racing. However, most research primarily focuses on the aggressive flight of a single quadrotor,…

Robotics · Computer Science 2024-09-24 Fangguo Zhao , Jiahao Mei , Jin Zhou , Yuanyi Chen , Jiming Chen , Shuo Li

Planning time-optimal trajectories for quadrotors in cluttered environments is a challenging, non-convex problem. This paper addresses minimizing the traversal time of a given collision-free geometric path without violating bounds on…

Robotics · Computer Science 2024-09-26 Katherine Mao , Igor Spasojevic , M. Ani Hsieh , Vijay Kumar

Quadrotor flight is an extremely challenging problem due to the limited control authority encountered at the limit of handling. Model Predictive Contouring Control (MPCC) has emerged as a promising model-based approach for time optimization…

Perching on the moving platforms is a promising solution to enhance the endurance and operational range of quadrotors, which could benefit the efficiency of a variety of air-ground cooperative tasks. To ensure robust perching, tracking with…

Robotics · Computer Science 2024-01-19 Yuman Gao , Jialin Ji , Qianhao Wang , Rui Jin , Yi Lin , Zhimeng Shang , Yanjun Cao , Shaojie Shen , Chao Xu , Fei Gao

The role of a motion planner is pivotal in quadrotor applications, yet existing methods often struggle to adapt to complex environments, limiting their ability to achieve fast, safe, and robust flight. In this letter, we introduce a…

Robotics · Computer Science 2024-03-20 Jiaxin Qiu , Qingchen Liu , Jiahu Qin , Dewang Cheng , Yawei Tian , Qichao Ma

In this paper, we propose a robust and efficient quadrotor motion planning system for fast flight in 3-D complex environments. We adopt a kinodynamic path searching method to find a safe, kinodynamic feasible and minimum-time initial…

Robotics · Computer Science 2019-07-04 Boyu Zhou , Fei Gao , Luqi Wang , Chuhao Liu , Shaojie Shen

Recently, neural control policies have outperformed existing model-based planning-and-control methods for autonomously navigating quadrotors through cluttered environments in minimum time. However, they are not perception aware, a crucial…

Robotics · Computer Science 2023-03-06 Yunlong Song , Kexin Shi , Robert Penicka , Davide Scaramuzza

In this work, we propose a search-based planning method to compute dynamically feasible trajectories for a quadrotor flying in an obstacle-cluttered environment. Our approach searches for smooth, minimum-time trajectories by exploring the…

Robotics · Computer Science 2017-09-19 Sikang Liu , Nikolay Atanasov , Kartik Mohta , Vijay Kumar

Flying quadrotors in tight formations is a challenging problem. It is known that in the near-field airflow of a quadrotor, the aerodynamic effects induced by the propellers are complex and difficult to characterize. Although machine…

Robotics · Computer Science 2024-10-15 Kong Yao Chee , Pei-An Hsieh , George J. Pappas , M. Ani Hsieh

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…

Robotics · Computer Science 2025-02-25 Jialiang Hou , Neng Pan , Zhepei Wang , Jialin Ji , Yuxiang Guan , Zhongxue Gan , Fei Gao

In this paper we propose a computational design tool that al-lows end-users to create advanced quadrotor trajectories witha variety of application scenarios in mind. Our algorithm al-lows novice users to create quadrotor based use-cases…

Human-Computer Interaction · Computer Science 2019-06-28 Christoph Gebhardt , Benjamin Hepp , Tobias Naegeli , Stefan Stevsic , Otmar Hilliges

We study the nonlinear observability of a systems states in view of how well they are observable and what control inputs would improve the convergence of their estimates. We use these insights to develop an observability-aware…

Robotics · Computer Science 2016-04-28 Karol Hausman , James Preiss , Gaurav Sukhatme , Stephan Weiss

In this paper we first contribute a large scale online study (N=400) to better understand aesthetic perception of aerial video. The results indicate that it is paramount to optimize smoothness of trajectories across all keyframes. However,…

Graphics · Computer Science 2019-06-28 Christoph Gebhardt , Stefan Stevsic , Otmar Hilliges

Learning-based controllers have achieved impressive performance in agile quadrotor flight but typically rely on massive training in simulation, necessitating accurate system identification for effective Sim2Real transfer. However, even with…

Robotics · Computer Science 2026-02-11 Yunfan Ren , Zhiyuan Zhu , Jiaxu Xing , Davide Scaramuzza

Visual inertial odometry (VIO) is widely used for the state estimation of multicopters, but it may function poorly in environments with few visual features or in overly aggressive flights. In this work, we propose a perception-aware…

Robotics · Computer Science 2022-08-02 Xiangyu Wu , Shuxiao Chen , Koushil Sreenath , Mark W. Mueller

Over the past decade, there has been a remarkable surge in utilizing quadrotors for various purposes due to their simple structure and aggressive maneuverability, such as search and rescue, delivery and autonomous drone racing, etc. One of…

Robotics · Computer Science 2024-09-11 Jin Zhou , Jiahao Mei , Fangguo Zhao , Jiming Chen , Shuo Li

Controller performance in quadrotor trajectory tracking depends heavily on parameter tuning, yet standard approaches often rely on fixed, manually tuned parameters that sacrifice task-specific performance. We present Trajectory-Aware…

Robotics · Computer Science 2025-11-05 Hersh Sanghvi , Spencer Folk , Vijay Kumar , Camillo Jose Taylor

We present the first static-obstacle avoidance method for quadrotors using just an onboard, monocular event camera. Quadrotors are capable of fast and agile flight in cluttered environments when piloted manually, but vision-based autonomous…

Fault-tolerant control is crucial for safety-critical systems, such as quadrotors. State-of-art flight controllers can stabilize and control a quadrotor even when subjected to the complete loss of a rotor. However, these methods rely on…

Robotics · Computer Science 2021-03-01 Sihao Sun , Giovanni Cioffi , Coen de Visser , Davide Scaramuzza