Article(id=1277328337362088513, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1277328335906669390, articleNumber=1003-3033(2026)05-0056-08, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2026.05.1091, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1768320000000, receivedDateStr=2026-01-14, revisedDate=1773849600000, revisedDateStr=2026-03-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1782468407239, onlineDateStr=2026-06-26, pubDate=1779897600000, pubDateStr=2026-05-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1782468407239, onlineIssueDateStr=2026-06-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1782468407239, creator=13701087609, updateTime=1782468407239, updator=13701087609, issue=Issue{id=1277328335906669390, tenantId=1146029695717560320, journalId=1146031787341344770, year='2026', volume='36', issue='5', pageStart='1', pageEnd='318', issueExtLink='null', onlineDate='null', pubDate='1779897600000', pubDateStr='2026-05-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1782468406892, creator='13701087609', updateTime=1782867658151, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1279002917143286724, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1277328335906669390, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1279002917143286725, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1277328335906669390, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=56, endPage=63, ext={EN=ArticleExt(id=1277328337857016388, articleId=1277328337362088513, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Simulation study on Multi-UAV leak source detection in large and medium-sized chemical plant areas, columnId=1277328337617941059, journalTitle=China Safety Science Journal, columnName=Safety Technology and Engineering, runingTitle=null, highlight=null, articleAbstract=

In order to address frequent hazardous gas leaks in large and medium-sized chemical plant areas, this study proposes a leak source localization method based on a multi-strategy improved PSO(MSPSO) algorithm, leveraging the collaborative capabilities of a small number of UAVs. First, considering the physical constraints UAVs face during actual movement, an acceleration control strategy was integrated into PSO algorithm. Simultaneously, the chemical plant area was divided into distinct zones to more accurately simulate the UAVs' flight states during the search process. Second, an upwind search strategy was introduced based on diffusion characteristics of leak sources, utilizing wind direction information to accelerate the search process. Third, to prevent UAVs from getting stuck in pseudo-leak sources, Cauchy mutation perturbations and simulated annealing mechanisms were employed to enhance the UAVs' ability to escape local optima. Finally, a three-dimensional simulation environment for large and medium-sized chemical plant areas was established to compare and analyze the performance of various swarm intelligence algorithms in simulated scenarios. The results indicate that MSPSO exhibits faster convergence and higher localization success rates, with performance better meeting the leakage source localization requirements of large-to-medium-scale chemical plant areas.

, authors=Xuefeng Zhang1, Jingjing Tang2, Jun Jiang3, **, Di Chen1, authorsList=Xuefeng Zhang, Jingjing Tang, Jun Jiang, Di Chen, authorCompany=null, correspAuthors=Jun Jiang, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1277328342177149537, articleId=1277328337362088513, tenantId=1146029695717560320, journalId=1146031787341344770, language=CN, title=大中型化工装置区多无人机查找泄漏源仿真研究, columnId=1277328337940902469, journalTitle=中国安全科学学报, columnName=安全技术与工程, runingTitle=null, highlight=null, articleAbstract=

为解决大中型化工装置区频繁发生的危险气体泄漏问题,利用少量无人机(UAV)之间的协同作用,提出一种基于多策略改进粒子群优化算法(MSPSO)的泄漏源定位方法。首先,考虑无人机在实际运动过程中受到的物理限制,将加速度的控制策略融入粒子群优化算法(PSO),同时,将大中型化工装置区划分为不同区域以更加精准模拟无人机在查找过程中的飞行状态;其次,根据泄漏源的扩散特点,引入逆风查找策略,利用风向信息加快无人机的查找过程;然后,为避免无人机陷入伪泄漏源,采用柯西变异扰动与模拟退火机制增强无人机跃出局部最优解的能力;最后,建立大中型化工装置区三维仿真环境,在仿真场景中对比分析多种群智能算法的性能。结果表明:文中提出的基于MSPSO的泄漏源定位方法具有较快的收敛速度及较高的定位成功率,定位效果更能够满足大中型化工装置区对泄漏源定位的要求。

, authors=张学锋1, 唐晶晶2, 江军3, **, 陈迪1, authorsList=张学锋, 唐晶晶, 江军, 陈迪, authorCompany=null, correspAuthors=江军, authorNote=

张学锋 (1978—),男,河北石家庄人,博士,教授,主要从事虚拟现实与人工智能等方面的研究。E-mail:

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** 江军(1978—),男,安徽六安人,本科,工程师,主要从事企业安全生产管理方面的工作。E-mail:
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张学锋 (1978—),男,河北石家庄人,博士,教授,主要从事虚拟现实与人工智能等方面的研究。E-mail:

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Parameter settings

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所用方法 惯性权重 最大迭代次数 c1和c2
MSPSO [0.4,1.2] 2 400 2.0
CPSO 1.2 2 400 2.0
IPSO [0.4,1.2] 2 400 异步变化
PSO 1.2 2 400 2.0
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参数设置

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所用方法 惯性权重 最大迭代次数 c1和c2
MSPSO [0.4,1.2] 2 400 2.0
CPSO 1.2 2 400 2.0
IPSO [0.4,1.2] 2 400 异步变化
PSO 1.2 2 400 2.0
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大中型化工装置区多无人机查找泄漏源仿真研究
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张学锋 1 , 唐晶晶 2 , 江军 3, ** , 陈迪 1
中国安全科学学报 | 安全技术与工程 2026,36(5): 56-63
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中国安全科学学报 |安全技术与工程 2026 , 36 (5) : 56 -63
大中型化工装置区多无人机查找泄漏源仿真研究
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张学锋1 , 唐晶晶2, 江军3, ** , 陈迪1
作者信息
  • 1 安徽工业大学 计算机科学与技术学院, 安徽 马鞍山 243000
  • 2 安徽工业大学 资产与实验室管理处, 安徽 马鞍山 243000
  • 3 铜陵有色股份有限公司, 安徽 铜陵 244000
通讯作者:
** 江军(1978—),男,安徽六安人,本科,工程师,主要从事企业安全生产管理方面的工作。E-mail:
作者简介:

张学锋 (1978—),男,河北石家庄人,博士,教授,主要从事虚拟现实与人工智能等方面的研究。E-mail:

Simulation study on Multi-UAV leak source detection in large and medium-sized chemical plant areas
Xuefeng Zhang1 , Jingjing Tang2, Jun Jiang3, ** , Di Chen1
Affiliations
  • 1 School of Computer Science and Technology, Anhui University of Technology, Ma'anshan Anhui 243000, China
  • 2 Department of Asset and Laboratory Management, Anhui University of Technology, Ma'anshan Anhui 243000, China
  • 3 Tongling Nonferrous Metals Co., Ltd., Tongling Anhui 244000, China
出版时间: 2026-05-28 doi: 10.16265/j.cnki.issn1003-3033.2026.05.1091
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为解决大中型化工装置区频繁发生的危险气体泄漏问题,利用少量无人机(UAV)之间的协同作用,提出一种基于多策略改进粒子群优化算法(MSPSO)的泄漏源定位方法。首先,考虑无人机在实际运动过程中受到的物理限制,将加速度的控制策略融入粒子群优化算法(PSO),同时,将大中型化工装置区划分为不同区域以更加精准模拟无人机在查找过程中的飞行状态;其次,根据泄漏源的扩散特点,引入逆风查找策略,利用风向信息加快无人机的查找过程;然后,为避免无人机陷入伪泄漏源,采用柯西变异扰动与模拟退火机制增强无人机跃出局部最优解的能力;最后,建立大中型化工装置区三维仿真环境,在仿真场景中对比分析多种群智能算法的性能。结果表明:文中提出的基于MSPSO的泄漏源定位方法具有较快的收敛速度及较高的定位成功率,定位效果更能够满足大中型化工装置区对泄漏源定位的要求。

大中型化工装置  /  无人机(UAV)  /  粒子群优化算法(PSO)  /  泄漏源定位  /  主动嗅觉

In order to address frequent hazardous gas leaks in large and medium-sized chemical plant areas, this study proposes a leak source localization method based on a multi-strategy improved PSO(MSPSO) algorithm, leveraging the collaborative capabilities of a small number of UAVs. First, considering the physical constraints UAVs face during actual movement, an acceleration control strategy was integrated into PSO algorithm. Simultaneously, the chemical plant area was divided into distinct zones to more accurately simulate the UAVs' flight states during the search process. Second, an upwind search strategy was introduced based on diffusion characteristics of leak sources, utilizing wind direction information to accelerate the search process. Third, to prevent UAVs from getting stuck in pseudo-leak sources, Cauchy mutation perturbations and simulated annealing mechanisms were employed to enhance the UAVs' ability to escape local optima. Finally, a three-dimensional simulation environment for large and medium-sized chemical plant areas was established to compare and analyze the performance of various swarm intelligence algorithms in simulated scenarios. The results indicate that MSPSO exhibits faster convergence and higher localization success rates, with performance better meeting the leakage source localization requirements of large-to-medium-scale chemical plant areas.

large and medium-sized chemical plants  /  unmanned aerial vehicles(UAV)  /  particle swarm optimization(PSO)  /  leak source localization  /  active olfaction
张学锋, 唐晶晶, 江军, 陈迪. 大中型化工装置区多无人机查找泄漏源仿真研究. 中国安全科学学报, 2026 , 36 (5) : 56 -63 . DOI: 10.16265/j.cnki.issn1003-3033.2026.05.1091
Xuefeng Zhang, Jingjing Tang, Jun Jiang, Di Chen. Simulation study on Multi-UAV leak source detection in large and medium-sized chemical plant areas[J]. China Safety Science Journal, 2026 , 36 (5) : 56 -63 . DOI: 10.16265/j.cnki.issn1003-3033.2026.05.1091
目前,多利用机器人主动嗅觉自动查找及定位大中型化工装置区等场景中的气体泄漏源,但由于机器人价格昂贵且过多机器人协作存在空间竞争、协作困难等问题,如何利用少量机器人之间的协同作用快速精准定位到泄漏源,避免危险气体泄漏造成安全事故,成为亟待解决的问题。
机器人主动嗅觉是指利用配备体积分数传感器的移动机器人跟踪气体分子扩散轨迹确定气体泄漏源所在位置的过程[1]。机器人气体泄漏源定位问题可分为烟羽发现、烟羽追踪和气体泄漏源确认3个阶段。烟羽发现是移动机器人所探测到的体积分数信息从无到有的过程。烟羽跟踪是一个持续优化气体体积分数值的动态过程,不断分析环境中的泄漏气体的体积分数变化,并根据体积分数信息调整机器人的运动策略,逐步向气体泄漏源的位置收敛。在此过程中,可使用不同策略指引机器人运动,主要包括基于化学趋向性方法、基于风向趋向性方法及基于信息趋向性方法及群智能算法等[2]。基于风趋向性和基于化学趋向性的气体泄漏源定位算法均通过模仿生物在感知气味时逆流而上的行为实现气体泄漏源定位。李家奕[3]提出基于进化梯度算法的气体泄漏源定位方法,融合风向信息与化学信息,实现动态室内环境下的气体泄漏源定位过程。基于信息趋向性的泄漏源定位算法在查找过程中持续计算关于气体泄漏源的信息,并据此建立体积分数概率地图以实现气体泄漏源的精准定位[4]。李吉功等[5]利用每个采样周期中获取的体积分数信息与风速风向信息,将其作为判断局部范围内是否包括气体泄漏源的证据,并结合已有证据更新气体泄漏源的空间分布图。基于群智能算法的气体泄漏源定位方法主要是通过模拟自然界中生物种群的行为进行气体泄漏源定位。相对于单机器人,利用多机器人群体的协同效应解决气体泄漏源定位问题在查找时间、鲁棒性等方面获得显著优势[6-7]。Jatmiko等[8]提出混沌粒子群优化算法(Charge Particle Swarm Optimization,CPSO),在粒子群优化算法(Particle Swarm Optimization,PSO)中引入库仑定律避免算法在迭代后期陷入局部最优解。张勇等[9]针对室内环境中含有噪声的问题,提出基于骨干PSO算法的多机器人查找泄漏源方法。通过在线估计微粒探测到泄漏气体体积分数所含的噪声强度,判断微粒间的概率支配关系,同时改进微粒位置、局部引导者及全局引导者更新方法。周围等[10]提出改进PSO(Improved PSO,IPSO)算法,对PSO中的权重系数进行非线性调整、速度进行二阶振荡处理,并通过异步变化调整学习因子的大小。黄建新等[11]在布谷鸟查找算法中引入模糊C均值聚类,该算法在查找时间和精度上均具有较大提升。傅均等[12]针对室内环境中气体泄漏源定位策略切换阈值敏感问题,将离散风向系统与人工生态系统相结合,提出风向人工生态系统优化算法,缩短了查找时间。气体泄漏源确认主要用于判断某一位置是否为真实泄漏源位置。在这一阶段中需要根据烟羽追踪中所获取的体积分数信息才能确定某位置是否为气体泄漏源。综上所述,气体泄漏源定位研究从单机器人逐步向多机器人发展,且定位算法从传统的体积分数梯度搜索逐步向基于群智能算法发展。PSO算法作为一种典型的群智能算法,因易实现、参数少、速度快等优点,受到越来越多学者的关注。但现有研究主要集中在二维平面上,尚未充分考虑泄漏源的高度、多机器人协作困难等问题,难以满足大中型化工装置区的实际应用需求。
鉴于此,笔者拟综合考虑气体泄漏源的高度、环境中噪声对体积分数的影响,利用少量无人机(Unmanned Aerial Vehicles,UAV)之间的协作作用,提出一种基于多策略改进PSO(Multi-Strategy improved PSO,MSPSO)算法的泄漏源定位方法,加快无人机的查找进程,提高泄漏源定位的成功率,以期避免大中型化工装置区中危险气体泄漏造成安全事故。
在PSO中,一群微粒在搜索空间中飞行以寻找最优解,每个微粒根据局部引导者及全局引导者更新微粒速度及位置[13-14]
根据PSO的原理,将无人机抽象为微粒,气体泄漏源抽象为食物,泄漏气体体积分数数据抽象为微粒的适应值,将泄漏源的定位过程转换为微粒的飞行过程。但是当全局引导者的位置未更新时,其他微粒迅速向其周围聚集,从而束缚微粒停滞在其周围。因此,当微粒的探索性不足时,易陷入局部最优解,此时无人机易陷入伪泄漏源。
w的取值对无人机在气体泄漏源定位中的全局查找能力与局部查找能力影响显著,较大的权值有利于提高无人机的全局查找能力,较小的权值有利于增强无人机的局部查找能力[15],因此,使用线性递减权值策略可使无人机在迭代前期具有较强的全局查找能力,加快收敛速度。随着时间的推移,无人机的局部查找能力增强,有利于提高查找精度。
标准PSO中对微粒速度和位置的更新没有考虑加速度的限制。通过引入加速度,限制无人机在飞行过程中速度的变化,以反映无人机在实际运动过程受到的物理限制。同时,将大中型化工装置区划分为不同区域以更加精准模拟无人机在查找过程中的各种行为。
在迭代过程中,使用加速度和PSO中的速度更新公式共同决定无人机的速度变化。为更好地使无人机适应加速度,同时能够避免与建筑物的碰撞,以场景中各个建筑物的所在位置为中心,利用射线法将整个场景分为建筑物区域、避障区域、减速区域以及自由飞行区域。建筑物区域被定义为无人机禁止飞行区域;避障区域为建筑物区域的邻域,使用A*算法[16-17]规划出可通行路径以避免无人机与建筑物发生碰撞;减速区域为避障区域的邻域,用于要求无人机在特定情况下进行减速,使无人机更好地适应从最大自由飞行速度到最大避障速度的转变;剩余空间为自由飞行区域,根据加速度和速度公式共同决定无人机的最终运动方向。
动物在寻找食物的过程中,在发现目标气味时通常采取逆风而行的运动策略。其逻辑是烟羽通常从气味源开始扩散,沿着一段时间内气流的运动方向传播,因此,风向的反方向大概率是气味源的方向[18]。大中型化工装置区中气体泄漏事故通常在有风环境下发生,由于风的影响,泄漏气体的扩散也常常表现出顺风流动的特征。基于这种逆风而行的思想,在PSO中引入逆风查找策略。在每次迭代中选择当前体积分数最大的无人机,结合其当前位置信息、风速风向信息以及PSO更新其速度。结合体积分数信息与风速风向信息,不仅能够使无人机在风向变化时适应性地调整查找策略,而且能够使无人机的查找具有方向性,客观上加快无人机的查找速度。其速度更新公式如下:
$ \begin{array}{c}v_{i}(t)=w v_{i}(t-1)+c_{1} r_{1}\left(p_{i}(t-1)-\right. \\\left.x_{i}(t-1)\right)+c_{2} r_{2} \\\left(g(t-1)-x_{i}(t-1)\right)+\operatorname{RWr}_{3}(-\boldsymbol{V})\end{array}$
$ W=1-\left(\frac{t}{t_{\max }}\right)^{2}$
式中:vi为速度;t为当前迭代次数;w为权重系数;c1、c2为加速因子;r1、r2为[0,1]的随机数;pi为局部引导者的位置;g为全局引导者的位置;R为风向因子;W为自适应步长;r3为[0,1]均匀分布的随机数;V为风速向量。
随着迭代次数的增加,无人机的多样性降低,易陷入局部最优解。因此,在无人机的位置更新公式上引入柯西变异扰动策略。柯西变异[19]是一种常用的扰动策略,通过在当前位置周围引入柯西分布的随机数来扩展搜索空间,重新探索更广泛的解空间。当全局最优位置的变化连续多次小于预设阈值时,将当前全局最优解的位置视为陷阱,在未来的迭代过程中监测无人机是否靠近陷阱位置。若无人机被检测到位于陷阱附近,则结合柯西变异更新无人机的位置。具体扰动位置更新公式如下:
$ x_{i}(t)=x_{i}(t-1)+v_{i}(t)+C$
式中C为标准柯西分布随机数,其生成的随机数通常是无界的,需将随机数的最大值与最小值限制在预设范围之内。由于实际情况中无人机受到速度与加速度的限制,若扰动过大,无人机无法在一次迭代内到达扰动位置。而气体泄漏事故通常发生在管道、阀门、储罐等建筑物附近,因此,若无人机位于建筑物附近,则将扰动位置作为目标位置,利用多次迭代到达目标点。
由于柯西变异扰动具有随机性和不确定性,且无人机在查找过程中探测到的气体体积分数会受到环境中噪声的影响,仅使用柯西变异扰动不易快速突破陷阱的束缚。为提高无人机的查找性能,引入模拟退火机制使无人机能够较快摆脱陷阱的束缚。模拟退火算法是一种经典的启发式随机寻优算法。算法从一定的初始温度开始,利用具有概率突跳特性的麦尔特罗夫准则[20]在搜索空间中进行随机查找,通过重复降温与热平衡获得全局最优解。将无人机探测到的气体体积分数值作为能量值,初次迭代时无人机探测到的最高体积分数和最低体积分数的差值作为模拟退火的初始温度。当无人机位于陷阱附近,且连续多次迭代使用柯西扰动策略无法突破陷阱的束缚时,则根据麦尔特罗夫准则计算概率判断是否将当前体积分数的最大无人机位置视为全局最优位置。
由于无人机的全局引导者始终为目前迭代过程中发现的最佳位置。因此,根据全局引导者的体积分数判断是否发现泄漏源。如果全局引导者体积分数大于阈值ε1,则认为无人机发现气体泄漏源。
如果无人机找到气体泄漏源,则立刻停止查找,输出全局引导者的位置。当无人机在最大迭代次数内仍未发现气体泄漏源,则认为查找失败,停止查找。
多无人机查找泄漏源流程如图1所示。
以长193.5m、宽198m的大中型化工装置区为仿真场景,并利用Unity平台进行三维建模还原。相较于其他模型,气体湍流扩散模型适用范围广、结构简单,能快速模拟不同条件下的气体扩散。由于大中型化工装置区较为开阔、障碍物少,气体扩散主要受风速风向影响,且远距离扩散趋于均匀,障碍物局部影响减弱。因此,仿真中未考虑障碍物对气体体积分数的影响。
假设仿真场景中仅存在一个气体泄漏源,通过Visual Studio设置不同试验条件,利用Unity展示三维可视化过程,两者使用Socket进行通信。根据大中型化工装置区的特点,泄漏源常位于设备高处,因此,在仿真过程中,设置气体泄漏源的位置为(163.2,54.9,11.3m),最大迭代次数为2 400,气体泄漏源强Q=60mg/s,气体扩散系数k=0.08m2/s,风速为1.2m/s,无人机的最大飞行速度为10m/s,最大避障速度为6m/s,最大加速度为10m/s2,无人机的最大飞行高度为21m,无人机在xyz轴上的初始速度均为1m/s,无人机每隔0.1s更新一次位置和所采集到的气体体积分数。为更加贴近实际环境中的气体分布情况,在计算无人机所在位置的体积分数数据时,加入[-10%,+10%]的误差。该条件下泄漏源所在高度的体积分数分布如图2所示,气体扩散体积分数呈椭圆状由内向外递减。
采用2个评价指标分析算法的性能:①成功率,即成功定位到气体泄漏源的次数与总试验次数的比值,该指标能够衡量算法在多次试验中成功定位到气体泄漏源的鲁棒性。②平均迭代次数,该指标能够衡量算法完成气体泄漏源定位的平均查找时间,反映算法的查找效率。
为验证不同方法的性能,对比MSPSO算法与CPSO算法[8]、IPSO算法[10]、标准PSO算法[14],表1为主要参数的取值。
针对上述试验环境,假设无人机个数为4,且可实时获取所在位置的泄漏气体体积分数,图3为使用MSPSO算法的气体泄漏源定位过程,矩形为无人机的所在位置,椭圆为气体泄漏源的位置。迭代初期,无人机已经捕捉到气体体积分数,由于受到风速的影响,位于左下角的无人机探测到的体积分数最大,为全局引导者的位置;随着时间的推移,无人机收敛到一个相对较小的区域;查找后期时,无人机已经到达气体泄漏源附近,还未达到算法的终止条件,正在进行局部查找。此次仿真试验无人机定位到的气体泄漏源坐标为(163.0,55.06,11.57m),与真实气体泄漏源的误差约为0.37m,整个过程花费54.8s。
为对比分析4种算法在一般情况下的性能及特点,设置无人机个数分别为2、4、6、8、10、12、14、16,其初始位置随机分布于大中型化工装置区,每种算法针对不同无人机个数均独立运行30次,通过查找时间、查找成功率分析不同方法的性能和特点。
图4图5分别为4种方法在不同无人机个数情况下的查找时间及查找成功率对比,从图4图5可以看出,在无人机个数较少时,MSPSO算法具有较高的成功率,而CPSO、IPSO以及PSO易陷入伪泄漏源,查找成功率偏低。同时,在无人机的个数较少时,与其他方法相比,MSPSO算法在查找时间上也展现出一定的优势。但是随着无人机个数的增加,4种算法的效率差距也随之越来越小。
为比较4种算法在极端初始位置情况下的性能及特点,根据气体湍流扩散模型的体积分数数据将大中型化工装置区划分为高体积分数区域、中等体积分数区域及低体积分数区域,使无人机初始位置分别位于不同等级体积分数的区域,无人机的个数分别为2、4、6、8、10、12、14、16。针对不同定位算法、不同无人机个数和不同等级体积分数区域分别独立运行30次,通过查找时间、查找成功率分析不同方法的表现。
图6图11分别为4种方法分别在3种初始位置区域的查找时间和成功率对比。对于机器人主动嗅觉而言,由于气体泄漏位置具有不确定性,无人机初始位置的优劣无法完全控制。从图10图11中可以看出,相对于其他算法,无人机的初始位置选在低体积分数区域时对MSPSO算法的影响相对较小。同时,无人机初始位置选在高体积分数区域和中等体积分数区域时,MSPSO算法仍具有一定优势。
为进一步对比和分析4种算法的性能,在泄漏源位置、风速风向、无人机个数和初始位置等参数相同的试验条件下,使用4种算法进行气体泄漏源仿真试验。图12为4种方法查找过程的变化曲线。由图12可知:由于环境中噪声、风速以及建筑物的影响,4种方法中的全局引导者在查找过程中均存在不同程度的短暂退化现象,但总体来看,随着迭代次数的增加,无人机的全局引导者依然朝气体泄漏源的位置移动,最终确定气体泄漏源的位置。同时,在相同的迭代次数内,相比其他方法,MSPSO算法中全局引导者的位置更接近气体泄漏源。
1) 从逆风查找、柯西变异与模拟退火机制等方面改进PSO算法,利用多无人机可快速定位到气体泄漏源。
2) 仿真试验结果表明:与CPSO算法、IPSO算法及标准PSO算法相比,文中提出的基于MSPSO的泄漏源定位方法能够快速定位到气体泄漏源,成功率较高,且在无人机数量较少及无人机初始位置较差时仍保持相对较好的定位效果,更能满足大中型化工装置区对气体泄漏源定位的要求。
3) 文中研究存在以下不足:①未考虑泄漏气体在扩散过程中会受到降水强度、空气相对湿度等多种因素的影响;②未考虑多个气体泄漏源的存在;③未考虑动态障碍物对无人机查找过程中的影响。因此,探索基于动态环境下的大中型化工装置区多无人机查找泄漏源是未来的研究方向。
  • 安徽省教育厅重点实验室项目(TZJQR007-2023)
  • 安徽高校自然科学研究项目(2022AH050290)
  • 安徽省教育厅质量工程项目(2025zyxwjxalk076)
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2026年第36卷第5期
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doi: 10.16265/j.cnki.issn1003-3033.2026.05.1091
  • 接收时间:2026-01-14
  • 首发时间:2026-06-26
  • 出版时间:2026-05-28
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  • 收稿日期:2026-01-14
  • 修回日期:2026-03-19
基金
安徽省教育厅重点实验室项目(TZJQR007-2023)
安徽高校自然科学研究项目(2022AH050290)
安徽省教育厅质量工程项目(2025zyxwjxalk076)
作者信息
    1 安徽工业大学 计算机科学与技术学院, 安徽 马鞍山 243000
    2 安徽工业大学 资产与实验室管理处, 安徽 马鞍山 243000
    3 铜陵有色股份有限公司, 安徽 铜陵 244000

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** 江军(1978—),男,安徽六安人,本科,工程师,主要从事企业安全生产管理方面的工作。E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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