122 citations · 443 across the 63 of their papers we have counts for
64 papers
Neural-Primitive: An Efficient End-to-end Local Planner with Primitive-based Imitation Learning for Autonomous Flight
Zhitao Liu, Guangtong Xu, Zihan Wang +3
Autonomous flight in unknown cluttered environments is hindered by the computation-quality-memory trilemma of onboard trajectory generation. In this paper, we propose an efficient…
Model-Based Planning and Control for Terrestrial-Aerial Bimodal Vehicles with Passive Wheels
Ruibin Zhang, Junxiao Lin, Yuze Wu +5
Terrestrial and aerial bimodal vehicles have gained widespread attention due to their cross-domain maneuverability. Nevertheless, their bimodal dynamics significantly increase the…
An Efficient Trajectory Planner for Car-like Robots on Uneven Terrain
Long Xu, Kaixin Chai, Zhichao Han +4
Autonomous navigation of ground robots on uneven terrain is being considered in more and more tasks. However, uneven terrain will bring two problems to motion planning: how to asse…
Intention-Aware Planner for Robust and Safe Aerial Tracking
Qiuyu Ren, Huan Yu, Jiajun Dai +6
Autonomous target tracking with quadrotors has wide applications in many scenarios, such as cinematographic follow-up shooting or suspect chasing. Target motion prediction is neces…
Robo-centric ESDF: A Fast and Accurate Whole-body Collision Evaluation Tool for Any-shape Robotic Planning
Shuang Geng, Qianhao Wang, Lei Xie +3
For letting mobile robots travel flexibly through complicated environments, increasing attention has been paid to the whole-body collision evaluation. Most existing works either op…
Polynomial-based Online Planning for Autonomous Drone Racing in Dynamic Environments
Qianhao Wang, Dong Wang, Chao Xu +2
In recent years, there is a noteworthy advancement in autonomous drone racing. However, the primary focus is on attaining execution times, while scant attention is given to the cha…
CoNi-MPC: Cooperative Non-inertial Frame Based Model Predictive Control
Baozhe Zhang, Xinwei Chen, Zhehan Li +4
This paper presents a novel solution for UAV control in cooperative multi-robot systems, which can be used in various scenarios such as leader-following, landing on a moving base,…
Ring-Rotor: A Novel Retractable Ring-shaped Quadrotor with Aerial Grasping and Transportation Capability
Yuze Wu, Fan Yang, Ze Wang +4
This letter presents a novel and retractable ring-shaped quadrotor called Ring-Rotor that can adjust the vehicle's length and width simultaneously. Unlike other morphing quadrotors…
CREPES: Cooperative RElative Pose Estimation System
Zhiren Xun, Jian Huang, Zhehan Li +5
Mutual localization plays a crucial role in multi-robot cooperation. CREPES, a novel system that focuses on six degrees of freedom (DOF) relative pose estimation for multi-robot sy…
Continuous Implicit SDF Based Any-shape Robot Trajectory Optimization
Tingrui Zhang, Jingping Wang, Chao Xu +2
Optimization-based trajectory generation methods are widely used in whole-body planning for robots. However, existing work either oversimplifies the robot's geometry and environmen…
Towards Efficient Trajectory Generation for Ground Robots beyond 2D Environment
Jingping Wang, Long Xu, Haoran Fu +5
With the development of robotics, ground robots are no longer limited to planar motion. Passive height variation due to complex terrain and active height control provided by specia…
Bearing-based Relative Localization for Robotic Swarm with Partially Mutual Observations
Yingjian Wang, Xiangyong Wen, Yanjun Cao +2
Mutual localization provides a consensus of reference frame as an essential basis for cooperation in multirobot systems. Previous works have developed certifiable and robust solver…
Decentralized Planning for Car-Like Robotic Swarm in Cluttered Environments
Changjia Ma, Zhichao Han, Tingrui Zhang +5
Robot swarm is a hot spot in robotic research community. In this paper, we propose a decentralized framework for car-like robotic swarm which is capable of real-time planning in cl…
Robust and Efficient Trajectory Planning for Formation Flight in Dense Environments
Lun Quan, Longji Yin, Tingrui Zhang +7
Formation flight has a vast potential for aerial robot swarms in various applications. However, existing methods lack the capability to achieve fully autonomous large-scale formati…
An Efficient Spatial-Temporal Trajectory Planner for Autonomous Vehicles in Unstructured Environments
Zhichao Han, Yuwei Wu, Tong Li +8
As a core part of autonomous driving systems, motion planning has received extensive attention from academia and industry. However, real-time trajectory planning capable of spatial…
A Linear and Exact Algorithm for Whole-Body Collision Evaluation via Scale Optimization
Qianhao Wang, Zhepei Wang, Liuao Pei +2
Collision evaluation is of vital importance in various applications. However, existing methods are either cumbersome to calculate or have a gap with the actual value. In this paper…
Automatic Parameter Adaptation for Quadrotor Trajectory Planning
Xin Zhou, Chao Xu, Fei Gao
Online trajectory planners enable quadrotors to safely and smoothly navigate in unknown cluttered environments. However, tuning parameters is challenging since modern planners have…
Dynamic Free-Space Roadmap for Safe Quadrotor Motion Planning
Junlong Guo, Zhiren Xun, Shuang Geng +3
Free-space-oriented roadmaps typically generate a series of convex geometric primitives, which constitute the safe region for motion planning. However, a static environment is assu…
Star-Convex Constrained Optimization for Visibility Planning with Application to Aerial Inspection
Tianyu Liu, Qianhao Wang, Xingguang Zhong +4
The visible capability is critical in many robot applications, such as inspection and surveillance, etc. Without the assurance of the visibility to targets, some tasks end up not b…
Certifiably Optimal Mutual Localization with Anonymous Bearing Measurements
Yingjian Wang, Xiangyong Wen, Longji Yin +3
Mutual localization is essential for coordination and cooperation in multi-robot systems. Previous works have tackled this problem by assuming available correspondences between mea…
DIDO: Deep Inertial Quadrotor Dynamical Odometry
Kunyi Zhang, Chenxing Jiang, Jinghang Li +4
In this work, we propose an interoceptive-only state estimation system for a quadrotor with deep neural network processing, where the quadrotor dynamics is considered as a percepti…
Real-Time Trajectory Planning for Aerial Perching
Jialin Ji, Tiankai Yang, Chao Xu +1
This paper presents a novel trajectory planning method for aerial perching. Compared with the existing work, the terminal states and the trajectory durations can be adjusted adapti…
Robust Trajectory Planning for Spatial-Temporal Multi-Drone Coordination in Large Scenes
Zhepei Wang, Chao Xu, Fei Gao
In this paper, we describe a robust multi-drone planning framework for high-speed trajectories in large scenes. It uses a free-space-oriented map to free the optimization from cumb…
STD-Trees: Spatio-temporal Deformable Trees for Multirotors Kinodynamic Planning
Hongkai Ye, Chao Xu, Fei Gao
In constrained solution spaces with a huge number of homotopy classes, stand-alone sampling-based kinodynamic planners suffer low efficiency in convergence. Local optimization is i…