Results 21 to 30 of about 109,256 (309)

Trajectory Planning for UAV Based on Improved ACO Algorithm

open access: yesIEEE Access, 2020
Trajectory planning is an important subject in the field of unmanned aerial vehicles (UAVs). However, existing methods do not solve some problems well, such as slow convergence speed and low searching efficiency of related algorithms and collisions ...
Bo Li   +3 more
doaj   +1 more source

Research on the trajectory tracking of a curved road in an active lane change scenario based on model predictive control algorithm

open access: yesAdvances in Mechanical Engineering, 2023
In this paper, a control method for trajectory planning and tracking of an intelligent vehicle is proposed. In terms of trajectory planning, a trajectory planning method for curved lane changes is designed based on conventional lane change trajectory ...
Wei Wang, Fufan Qu, Chong Guo, Wenbo Li
doaj   +1 more source

Deep Reinforcement Learning Based Trajectory Planning Under Uncertain Constraints

open access: yesFrontiers in Neurorobotics, 2022
With the advance in algorithms, deep reinforcement learning (DRL) offers solutions to trajectory planning under uncertain environments. Different from traditional trajectory planning which requires lots of effort to tackle complicated high-dimensional ...
Lienhung Chen   +5 more
doaj   +1 more source

Automated multigravity assist trajectory planning with a modified ant colony algorithm [PDF]

open access: yes, 2010
The paper presents an approach to transcribe a multigravity assist trajectory design problem into an integrated planning and scheduling problem. A modified Ant Colony Optimization (ACO) algorithm is then used to generate optimal plans corresponding to ...
Vasile, M.   +3 more
core   +1 more source

MGA trajectory planning with an ACO-inspired algorithm [PDF]

open access: yes, 2009
Given a set of celestial bodies, the problem of finding an optimal sequence of gravity assist manoeuvres, deep space manoeuvres (DSM) and transfer arcs connecting two or more bodies in the set is combinatorial in nature.
Vasile, M., Ceriotti, M.
core   +1 more source

Energy consumption path planning of food robot based on improved whale algorithm and neural network

open access: yesShipin yu jixie, 2022
Objective: In order to solve the energy-saving trajectory planning problem of robot in food industry with unknown dynamic parameters, a point-to-point robot joint energy consumption path planning scheme based on whale algorithm and neural network was ...
HUANG Chong-fu, CHANG Yu, LIU Li-chao
doaj   +1 more source

Time Optimal Trajectory Planing Based on Improved Sparrow Search Algorithm

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
Complete trajectory planning includes path planning, inverse solution solving and trajectory optimization. In this paper, a highly smooth and time-saving approach to trajectory planning is obtained by improving the kinematic and optimization algorithms ...
Xiaofeng Zhang   +21 more
doaj   +1 more source

An ant system algorithm for automated trajectory planning [PDF]

open access: yes, 2010
The paper presents an Ant System based algorithm to optimally plan multi-gravity assist trajectories. The algorithm is designed to solve planning problems in which there is a strong dependency of one decision one all the previously made decisions. In the
Vasile, M., Ceriotti, M.
core   +1 more source

A Method for Autonomous Driving Trajectory Planning in Parking Environments

open access: yesShanghai Jiaotong Daxue xuebao, 2023
Local trajectory planning is one of the key technologies of the autonomous valet parking system. In this scenario, there exist problems such as long planning time, discontinuous curvature, and insufficient safety in local trajectory planning methods for ...
LIN Chun, HE Yuesheng, FANG Xingqi, WANG Chunxiang
doaj   +1 more source

An Improved RRT-Connect Algorithm Used for UAV 3D Trajectory Planning

open access: yesHangkong gongcheng jinzhan, 2018
The widespread use of unmanned aerial vehicle(UAV) has made trajectory planning becoming a hot research area. Although there have been numerous UAV trajectory planning methods so far, it is difficult to effectively apply them in trajectory planning ...
Tian Jiang, Li Erchao
doaj   +1 more source

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