无人机集群曲线虚拟管道空间满足规划

TP29; 虚拟管道宽度直接影响了管道内无人机的流速,但目前虚拟管道规划的方法并不能保证管道宽度,容易造成堵塞,严重影响无人机通行效率.对此,提出一种虚拟管道空间满足规划方法,可以在包含障碍物的环境中得到一条满足虚拟管道空间要求的管道生成线.主要包括路径搜索和轨迹优化,基于快速探索随机树*(rapidly exploring random tree*,RRT*)搜索,通过空间检测判断每段路径周围是否有足够空间,若无足够空间则重新拓展搜索,替换掉空间不足的路径段.在轨迹优化过程中,使用均匀B样条参数化轨迹,并设计碰撞代价函数和光滑代价函数,使轨迹远离障碍物,为虚拟管道规划提供足够空间.仿真测试验...

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Published in系统工程与电子技术 Vol. 46; no. 10; pp. 3528 - 3535
Main Authors 肖士博, 齐国元, 邓嘉豪, 苏鹏鹏, 贾晶童
Format Journal Article
LanguageChinese
Published 天津工业大学控制科学与工程学院,天津 300387%天津工业大学电子与信息工程学院,天津 300387 01.10.2024
Subjects
运动规划
空间满足
虚拟管道
quadrotor aircraft
路径搜索
motion planning
四旋翼飞行器
uniform B-spline
virtual tube
space satisfaction
均匀B样条
path searching
Online AccessGet full text
ISSN1001-506X
DOI10.12305/j.issn.1001-506X.2024.10.29

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Abstract TP29; 虚拟管道宽度直接影响了管道内无人机的流速,但目前虚拟管道规划的方法并不能保证管道宽度,容易造成堵塞,严重影响无人机通行效率.对此,提出一种虚拟管道空间满足规划方法,可以在包含障碍物的环境中得到一条满足虚拟管道空间要求的管道生成线.主要包括路径搜索和轨迹优化,基于快速探索随机树*(rapidly exploring random tree*,RRT*)搜索,通过空间检测判断每段路径周围是否有足够空间,若无足够空间则重新拓展搜索,替换掉空间不足的路径段.在轨迹优化过程中,使用均匀B样条参数化轨迹,并设计碰撞代价函数和光滑代价函数,使轨迹远离障碍物,为虚拟管道规划提供足够空间.仿真测试验证了所提方法在大规模集群中的优越性和鲁棒性.在仿真测试中,15架无人机集群通行时间平均降低20％.
AbstractList TP29; 虚拟管道宽度直接影响了管道内无人机的流速,但目前虚拟管道规划的方法并不能保证管道宽度,容易造成堵塞,严重影响无人机通行效率.对此,提出一种虚拟管道空间满足规划方法,可以在包含障碍物的环境中得到一条满足虚拟管道空间要求的管道生成线.主要包括路径搜索和轨迹优化,基于快速探索随机树*(rapidly exploring random tree*,RRT*)搜索,通过空间检测判断每段路径周围是否有足够空间,若无足够空间则重新拓展搜索,替换掉空间不足的路径段.在轨迹优化过程中,使用均匀B样条参数化轨迹,并设计碰撞代价函数和光滑代价函数,使轨迹远离障碍物,为虚拟管道规划提供足够空间.仿真测试验证了所提方法在大规模集群中的优越性和鲁棒性.在仿真测试中,15架无人机集群通行时间平均降低20％.
Abstract_FL The width of the virtual tube directly affects the flow rate of unmanned aerial vehicles in the tube.However,current virtual tube planning methods cannot guarantee the tube width,which leads to blockages that severely impact the efficiency of unmanned aerial vehicle passage.In this regard,a method for planning a virtual tube space is proposed that can generate a tube generation path meeting the virtual tube space requirements in an environment containing obstacles.The method mainly includes path searching and trajectory optimization.It is based on the rapidly exploring random tree*(RRT*)search,where space detection is used to determine whether there is sufficient space around each segment of the path.The search is then re-expanded,replacing path segments with insufficient space if the space is not enough.In the trajectory optimization process,a uniform B-spline is used to parameterize the trajectory,and a collision cost function and a smoothing cost function are designed to keep the trajectory away from obstacles,providing enough space for virtual tube planning.Simulation tests verify the superiority and robustness of the proposed method in large-scale swarms,with the reduction of 20％of average passage time of a swarm containing 15 unmanned aerial vehicles.
Author 肖士博
苏鹏鹏
贾晶童
邓嘉豪
齐国元
AuthorAffiliation 天津工业大学控制科学与工程学院,天津 300387%天津工业大学电子与信息工程学院,天津 300387
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Author_FL XIAO Shibo
DENG Jiahao
JIA Jingtong
SU Pengpeng
QI Guoyuan
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DocumentTitle_FL Space satisfaction planning for curved virtual tube of unmanned aerial vehicle swarm
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Issue 10
Keywords 运动规划
空间满足
虚拟管道
quadrotor aircraft
路径搜索
motion planning
四旋翼飞行器
uniform B-spline
virtual tube
space satisfaction
均匀B样条
path searching
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Snippet TP29; 虚拟管道宽度直接影响了管道内无人机的流速,但目前虚拟管道规划的方法并不能保证管道宽度,容易造成堵塞,严重影响无人机通行效率.对此,提出一种虚拟管道空间满足规划...
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Title 无人机集群曲线虚拟管道空间满足规划
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