Results 31 to 40 of about 52,222 (179)

Development of an Improved Rapidly Exploring Random Trees Algorithm for Static Obstacle Avoidance in Autonomous Vehicles

Sensors, 2021
Safe path planning for obstacle avoidance in autonomous vehicles has been developed. Based on the Rapidly Exploring Random Trees (RRT) algorithm, an improved algorithm integrating path pruning, smoothing, and optimization with geometric collision ...
S. M. Yang, Y. A. Lin
doaj   +1 more source

Self-Adjusting Look-Ahead Distance of Precision Path Tracking for High-Clearance Sprayers in Field Navigation

Agronomy
As a core component of agricultural machinery autonomous navigation, path tracking control holds significant research value. The pure pursuit algorithm has become a prevalent method for agricultural vehicle navigation due to its effectiveness at low ...
Xu Wang, Bo Zhang, Xintong Du, Huailin Chen, Tianwen Zhu, Chundu Wu   +5 more
doaj   +1 more source

Multi-Constrained Geometric Guidance Law with a Data-Driven Method

Drones, 2023
A data-driven geometric guidance method is proposed for the multi-constrained guidance problem of variable-velocity unmanned aerial vehicles (UAVs). Firstly, a two-phase flight trajectory based on a log-aesthetic space curve (LASC) is designed.
Xinghui Yan, Yuzhong Tang, Yulei Xu, Heng Shi, Jihong Zhu   +4 more
doaj   +1 more source

Design of obstacle detection and avoidance system for GUANAY II AUV [PDF]

, 2016
Postprint (published ...
Galarza Bogotá, Cesar Mauricio, Gomáriz Castro, Spartacus, Masmitjà Rusiñol, Ivan, Prat Tasias, Jordi   +3 more
core   +1 more source

Research on decoupling control for the longitudinal and lateral dynamics of a tractor considering steering delay

Scientific Reports, 2022
To enhance the efficiency of tractor operation, the longitudinal and lateral dynamic control of a self-driving tractor is studied in this paper, and a control system that decouples control of the longitudinal and lateral movement of the tractor is ...
Hequan Miao, Peisong Diao, Guangfei Xu, Wenyan Yao, Zhicai Song, Wenjun Wang   +5 more
doaj   +1 more source

Energy Consumption Analysis of the Selected Navigation Algorithms for Wheeled Mobile Robots

Energies, 2023
The article presents the research on navigation algorithms of a wheeled mobile robot with the use of a vision mapping system and the analysis of energy consumption of selected navigation algorithms, such as RRT and A-star.
Adam Rapalski, Sebastian Dudzik
doaj   +1 more source

Further Results on Performance Analysis for Compressive Sensing Using Expander Graphs [PDF]

, 2007
Compressive sensing is an emerging technology which can recover a sparse signal vector of dimension n via a much smaller number of measurements than n. In this paper, we will give further results on the performance bounds of compressive sensing.
Hassibi, Babak, Xu, Weiyu
core   +1 more source

Biomimetic Adaptive Pure Pursuit Control for Robot Path Tracking Inspired by Natural Motion Constraints

Biomimetics
The essence of biomimetics in human–computer interaction (HCI) is the inspiration derived from natural systems to drive innovations in modern-day technologies.
Suna Zhao, Guangxin Zhao, Yan He, Zhihua Diao, Zhendong He, Yingxue Cui, Liying Jiang, Yongpeng Shen, Chao Cheng   +8 more
doaj   +1 more source

An Optimal Guidance Strategy for Moving-Target Interception by a Multirotor Unmanned Aerial Vehicle Swarm

IEEE Access, 2020
To solve the problem of intercepting a moving target by a multirotor unmanned aerial vehicle (UAV) swarm, an optimal guidance strategy is proposed. The proposed guidance law is based on the integration of the classic pure pursuit guidance law and Kuhn ...
Xi Wang, Guanzheng Tan, Yusi Dai, Fanlei Lu, Jian Zhao   +4 more
doaj   +1 more source

Pushing towards the Limit of Sampling Rate: Adaptive Chasing Sampling

, 2015
Measurement samples are often taken in various monitoring applications. To reduce the sensing cost, it is desirable to achieve better sensing quality while using fewer samples.
Li, Ying, Wang, Xin, Xie, Kun
core   +1 more source