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2022 4th International Conference on Intelligent Control, Measurement and Signal Processing (ICMSP)最新文献

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Fault-Tolerant Consensus of Single-Integrator Multi-Agent Systems under Synchronous Self-Sensing Function Failure 同步自感知功能失效下单集成商多智能体系统容错一致性
Zhihai Wu, Linbo Xie
This paper investigates fault-tolerant consensus of single-integrator multi-agent systems (MASs) with partial agents subject to synchronous self-sensing function failure (SSFF). First, a strategy of recovering the connectivity of network topology among normal agents is proposed via multi-hop communication together with agents subject to SSFF as routing nodes. Second, a fault-tolerant consensus protocol with time-varying gains is designed. Then, consensus convergence is analyzed by separately investigating the dynamics of normal agents and agents subject to SSFF. It is proved that under proper time-varying gains, single-integrator MASs using the proposed strategy of recovering the connectivity of network topology and fault-tolerant consensus protocol can achieve consensus. Finally, numerical simulations are provided to illustrate the effectiveness of the theoretical results.
研究了部分智能体存在同步自感知功能失效的单积分器多智能体系统的容错一致性问题。首先,提出了一种以受SSFF约束的agent作为路由节点,通过多跳通信恢复正常agent之间网络拓扑连通性的策略。其次,设计了具有时变增益的容错共识协议。然后,通过分别考察正常智能体和受SSFF影响的智能体的动态,分析了共识收敛性。证明了在适当的时变增益下,采用所提出的恢复网络拓扑连通性策略和容错一致性协议的单积分器质量可以达到一致性。最后,通过数值模拟验证了理论结果的有效性。
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引用次数: 0
Visual Scheme Design of Intelligent Assembly of Lithium Battery Using Robot 基于机器人的锂电池智能装配可视化方案设计
Fei Yuan, Dawei Li, Xiansen Jiang, Lihui Wang
In this paper, machine vision is combined with SCARA robot to realize the intelligent assembly of lithium battery.
本文将机器视觉与SCARA机器人相结合,实现锂电池的智能装配。
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引用次数: 0
A Pulse Accumulation Method for LPI Radar Emitter Signal Recognition LPI雷达辐射源信号识别的脉冲累加方法
Zhaocheng Hu, D. Hu, Jiantao Wang, Jie Huang
Radar emitter signal recognition is a crucial means to distinguish unknown radars, and it depends on the high quality of received signals. However, signals of Low probability of intercept (LPI) radars are easily interfered with by noise, resulting in poor signal quality and low recognition accuracy. We propose a pulse accumulation method to improve the quality of pulse signals for LPI radar emitter signal recognition. Firstly, the pulse accumulation problem is described. Then we propose the time-domain alignment iterative method (TAIM) to improve the effect of pulse accumulation. Finally, time-frequency images of the accumulated signals are input to the deep residual network for recognition to verify the effect of the proposed method. This approach enhances the effect of pulse accumulation by employing the proposed TAIM, and ultimately improves the performance of signal recognition. Simulation results show that the proposed pulse accumulation method can improve the recognition accuracy by 7% more than that of single-pulse signals at −6dB.
雷达辐射源信号识别是识别未知雷达的重要手段,它依赖于接收信号的高质量。然而,低截获概率雷达信号容易受到噪声的干扰,导致信号质量差,识别精度低。为了提高脉冲信号的质量,提出了一种脉冲累加方法,用于LPI雷达辐射源信号识别。首先,描述了脉冲积累问题。然后提出了时域对准迭代法(TAIM)来改善脉冲积累的效果。最后,将累积信号的时频图像输入深度残差网络进行识别,验证所提方法的效果。该方法利用所提出的TAIM增强了脉冲积累的效果,最终提高了信号识别的性能。仿真结果表明,该方法比单脉冲信号在−6dB时的识别精度提高了7%以上。
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引用次数: 0
Predictive analysis of three-phase flow measurement data model 三相流量测量数据模型的预测分析
Ruirong Dang, Fanfan Zhao
This paper is based on data analysis, and on the basis of previous research, using the data obtained by the three-phase flow measuring instrument to conduct research on the three-phase flow rate and moisture content prediction, and establish a response time domain and frequency based on the moisture content meter. The support vector machine regression model (SVR Model) of domain eigenvalues is used to predict the moisture content calibration results of simulated well performance experiments with different flow rates. The model verification results show that the interpretation model can achieve higher moisture content prediction accuracy, and Comparing the proportion of moisture content in indoor experiments to achieve the target of interpretation accuracy of predicted moisture content. On the basis of the interpretation method research, the actual logging data is interpreted. Helps in calculating the production of oil wells in different regions.
本文以数据分析为基础,在前人研究的基础上,利用三相流量测量仪获得的数据对三相流量和含水率预测进行研究,建立基于含水率仪的响应时域和响应频率。采用域特征值的支持向量机回归模型(SVR model)对不同流量下模拟井动态实验的含水率标定结果进行了预测。模型验证结果表明,该解译模型能够达到较高的含水率预测精度,并通过室内实验中含水率的对比,达到预测含水率解译精度的目标。在解释方法研究的基础上,对实际测井资料进行了解释。有助于计算不同地区油井的产量。
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引用次数: 0
Road 3D Point cloud Data Modeling based on LiDAR 基于激光雷达的道路三维点云数据建模
Shuncai Yao, Jinxuan Shi
This paper mainly studies how to collect useful point cloud data efficiently and accurately by 3D lidar and gives a set of effective fast 3D modeling method. Using LiDAR RS-LIDAR-16 to scan the roads and their surroundings at different measuring stations, the 3d laser point clouds of several stations were obtained. Point cloud registration and denoising were carried out to eliminate noisy scattered point clouds. The experimental results show that this method can realize the modeling of three-dimensional point clouds of different stations and has good modeling effect.
本文主要研究了如何利用三维激光雷达高效、准确地采集有用的点云数据,并给出了一套有效的快速三维建模方法。利用激光雷达RS-LIDAR-16对不同测量站的道路及其周围环境进行扫描,得到了多个测量站的三维激光点云。对点云进行配准和去噪,消除有噪声的散点云。实验结果表明,该方法可以实现对不同站点的三维点云的建模,具有良好的建模效果。
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引用次数: 1
The architecture and key technologies of the digital twin system of helicopter based on cloud-edge-end integration 基于云-端集成的直升机数字孪生系统体系结构及关键技术
G. Lai, Xiuhua Zhang, Chengsan Lu, Jingyi Wang
As a typical complex equipment system, helicopter is designed and optimized for its physical entity, and condition monitoring and predictive maintenance is a challenging task. As the link between the physical world and the virtual world, the digital twin technology can express the helicopter with high precision, high real-time and high integration in the virtual space, so as to promote the further study of the helicopter. In this paper, the architecture and key technology of the digital twin system of the helicopter equipment with cloud edge integration are described, and the real-time simulation of the helicopter equipment is realized by making full use of the edge computing power, reducing the cloud computing demand, improving the whole system's computing power, reducing the time and economic consumption in the process of data transmission.
直升机作为一种典型的复杂装备系统,其设计和优化是针对其物理实体进行的,状态监测和预测性维护是一项具有挑战性的任务。数字孪生技术作为连接物理世界和虚拟世界的纽带,能够在虚拟空间中对直升机进行高精度、高实时性和高集成度的表达,从而促进直升机的进一步研究。本文阐述了具有云边缘集成的直升机装备数字孪生系统的体系结构和关键技术,通过充分利用边缘计算能力,降低云计算需求,提高整个系统的计算能力,减少数据传输过程中的时间和经济消耗,实现直升机装备的实时仿真。
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引用次数: 0
Phase Retrieval Based on Enhanced Generator Conditional Generative Adversarial Network 基于增强生成器条件生成对抗网络的相位检索
Shasha Pu, Lan Li, Yu Xiang, Xiaolong Qiu
Phase retrieval refers to the recovery of the original image using only the Fourier amplitude of the image. Due to the small amount of information contained in the Fourier amplitude, the common network structure cannot achieve accurate reconstruction of the image when the oversampling rate of the image is low. It is the key issue of phase retrieval to improve the structure of the neural network. We propose an application of end-to-end adversarial network to solve phase retrieval problems by adding a U-Net model to the conditional generative adversarial network(U-NetCGAN). This desired approach realizes multi-scale recognition and fusion of image features and improves the quality of image reconstruction. The experimental results show that the model is significantly better than the traditional phase retrieval algorithm. Compared to other algorithms, the evaluation indicators of PSNR and SSIM values in our approach have increased about 6 dB and 0.1, respectively.
相位恢复是指仅利用图像的傅里叶振幅恢复原始图像。由于傅里叶幅值所包含的信息量小,当图像的过采样率较低时,常用的网络结构无法实现对图像的精确重构。改进神经网络的结构是相位检索的关键问题。我们提出了一种端到端对抗网络的应用,通过在条件生成对抗网络(U-NetCGAN)中添加U-Net模型来解决相位检索问题。该方法实现了图像特征的多尺度识别和融合,提高了图像重建的质量。实验结果表明,该模型明显优于传统的相位检索算法。与其他算法相比,本文方法的PSNR和SSIM值的评价指标分别提高了约6 dB和0.1。
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引用次数: 0
Detection Approach Based on an Improved YOLOX for Flange Surface Defects 基于改进YOLOX的法兰表面缺陷检测方法
Yinghao Li, Panpan Liu, Yihao Xiang, Chengming Liu, Haogong Guo
Industrial product surface defect detection is a challenging task, In this paper, we take flange surface defect detection as the research target and propose a high-performance target detection framework to solve some problems in flange surface defect detection, such as inconspicuous features, small target scale and irregular morphology. The proposed model is based on the You Only Look Once (YOLOX) algorithm for improvement. The improved network architecture makes the model more sensitive to the details of the target by increasing the output of the backbone feature extraction network. The extraction and fusion of features is enhanced by using RFP (Recursive Feature Pyramid) and CBAM (Convolutional Block Attention Module) in the neck of the network. In addition, we compare the effect of different single data enhancement methods on the training effect and propose an enhancement method for flange surface defect data to address the problem of low defect data. Experiments show that the flange surface defect detection algorithm proposed in this paper balances accuracy and speed, outperforms existing advanced detection models, and has good detection capability.
工业产品表面缺陷检测是一项具有挑战性的任务,本文以法兰表面缺陷检测为研究目标,提出了一种高性能的目标检测框架,解决了法兰表面缺陷检测中存在的特征不明显、目标尺度小、形态不规则等问题。提出的模型是基于You Only Look Once (YOLOX)算法进行改进的。改进后的网络结构通过增加骨干特征提取网络的输出,使模型对目标的细节更加敏感。在网络颈部采用递归特征金字塔(RFP)和卷积块注意模块(CBAM)增强特征的提取和融合。此外,我们比较了不同单一数据增强方法对训练效果的影响,提出了一种针对法兰表面缺陷数据的增强方法,以解决缺陷数据低的问题。实验表明,本文提出的法兰表面缺陷检测算法平衡了精度和速度,优于现有的先进检测模型,具有良好的检测能力。
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引用次数: 0
Video Log Visual Detection Technology of Horizontal Well and Its Application 水平井视频测井视觉检测技术及其应用
Juan Su, Liang Guo, Bing Li, Dongkai Huo, Jintao Huang
Horizontal wells increase the contact surface area between wells and reservoirs, so they can enhance oil recovery efficiency effectively. In order to obtain more logging information of horizontal wells, this paper studies the visualization detection technology of horizontal well. By using two-way coding and local large capacity high-speed storage equipment to realize three operation mode-three operation modes of surface readout mode, memory mode and compatibility mode. Special connectors are used to make VideoLog tool to work in three methods by parallel transmission. Video acquisition and analysis software realizes 3D modeling and quantitative analysis of casing pipe. Field tests of 8 horizontal wells show that VideoLog can provide a new horizontal well detection scheme.
水平井增加了井与储层的接触面积,可以有效地提高采收率。为了获得更多的水平井测井信息,对水平井可视化检测技术进行了研究。通过采用双向编码和本地大容量高速存储设备实现三种运行模式——表面读出模式、记忆模式和兼容模式三种运行模式。使用特殊的连接器,使VideoLog工具以三种方式并行传输。视频采集和分析软件实现了套管的三维建模和定量分析。对8口水平井的现场测试表明,VideoLog可提供一种新的水平井检测方案。
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引用次数: 0
Monitoring method for abrasive jet cutting depth of casing pipes 磨料射流切割套管深度的监测方法
Haiyao Wang, Ce Wang, TingTing He, Mengqi Yun, Cuining Feng
With the continuous exploitation of offshore oil and gas, the demand for replacement of damaged casing and recovery of abandoned casing is growing. Based on this demand, a monitoring method for abrasive jet cutting depth of casing pipe is proposed. According to the principle of abrasive jet cutting, the vibration signal produced by abrasive impacting casing is picked up by vibration sensor, and the data acquisition and output of vibration signal are carried out by NI-USB 6361. The upper computer operation display interface of the system is established by Labview, and the cutting state visualization interface is added. The experimental results show that the system can accurately judge the current cutting state and display it in real time at the main interface, which can realize the real-time monitoring of the cutting state of the abrasive jet casing and improve the efficiency of casing recovery in offshore abandoned oil wells.
随着海洋油气的不断开发,对损坏套管的更换和废弃套管的回收需求越来越大。基于这一需求,提出了一种磨料射流套管切割深度监测方法。根据磨料射流切割原理,由振动传感器采集磨料冲击机壳产生的振动信号,并通过NI-USB 6361进行振动信号的数据采集和输出。利用Labview建立了系统的上位机操作显示界面,并增加了切削状态可视化界面。实验结果表明,该系统能够准确判断当前切削状态并在主界面实时显示,实现了对磨料射流套管切削状态的实时监控,提高了海上废弃油井套管回收效率。
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引用次数: 0
期刊
2022 4th International Conference on Intelligent Control, Measurement and Signal Processing (ICMSP)
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