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

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The study of Water Cut Detection Methods for Crude Oil 原油含水检测方法研究
Yu-Zhou Gong, Guo-wang Gao, Peng Zhao, Dan Wu, Fei Wang, Su-li Yan
Crude oil water content is one of the most important parameters in the petrochemical industry and high accuracy water content testing plays an important role in the development of oil fields and the improvement of crude oil recovery. At present, there are two main types of crude oil water content testing methods: manual testing and dynamic testing, and dynamic testing can be divided into two types: contact and non-contact measurement. Existing crude oil water content detection techniques, detection principles and advantages and disadvantages are introduced, and the latest developments in water content detection technology are mentioned, such as combining elements from other fields to improve the accuracy or online performance of water content detection. With the development of testing technology, real-time online, high accuracy, multi-element fusion and intelligence will be the new trend for future development.
原油含水率是石油化工行业最重要的参数之一,高精度的含水率测试对油田开发和原油采收率的提高具有重要作用。目前原油含水率的检测方法主要有人工检测和动态检测两种,动态检测又可分为接触式和非接触式两种。介绍了现有的原油含水率检测技术、检测原理及优缺点,并介绍了含水率检测技术的最新发展,如结合其他领域的元素来提高含水率检测的准确性或在线性能。随着测试技术的发展,实时在线、高精度、多元素融合和智能化将是未来测试技术发展的新趋势。
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引用次数: 0
Improved KCF algorithm and its application to target lost prediction 改进的KCF算法及其在目标损失预测中的应用
Yuhuan Fei, Guo-wang Gao, Dan Wu, Fei Wang, Ze Wang
In order to solve the tracking drift problem in the obscured environment and reduce the failure rate of target tracking in the obscured scene, this paper proposes a target loss warning mechanism in the obscured situation based on the traditional KCF algorithm, which uses the analysis of the 3D response map during the target tracking process, and uses the response maximum (Fmax) and the average value of the response between 2 adjacent frames to measure the tracking status of the target and determine whether the target has tracking drift. At the same time, the APCE evaluation criterion is used to reduce unnecessary model updates and increase the speed of computation. The simulation results demonstrate that the target loss warning mechanism can accurately warn the KCF algorithm when tracking drift occurs, and the tracking success rate and tracking accuracy can be improved by 9.5% and 5.3% respectively compared to the traditional target tracking algorithm in the occlusion scenario.
为了解决模糊环境下的跟踪漂移问题,降低模糊场景下目标跟踪的失败率,本文在传统KCF算法的基础上,提出了一种模糊情况下的目标损失预警机制,该机制利用了对目标跟踪过程中三维响应图的分析。并利用响应最大值(Fmax)和相邻两帧之间响应的平均值来测量目标的跟踪状态,判断目标是否存在跟踪漂移。同时,采用APCE评价准则,减少了不必要的模型更新,提高了计算速度。仿真结果表明,目标损失预警机制能够在跟踪漂移发生时准确预警KCF算法,在遮挡场景下,与传统目标跟踪算法相比,KCF算法的跟踪成功率和跟踪精度分别提高9.5%和5.3%。
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引用次数: 1
Fuzzy Evaluation Method of DPDFS for Unity Game Based Brain Training toward Prevention of AD 统一游戏脑训练预防AD的DPDFS模糊评价方法
Tao Wu, Cuiyun Gao, Shujin Wan, Yan Liu, XiaoZhuang Sun, Yang Zhao
The proportion of Alzheimer's disease (AD) has been increasing fast in recent years, and game based brain training is helpful to prevent Alzheimer's disease and early treatment. But it is hard to evaluate the result of brain training. Therefore, the research group designed a brain health exercise game based on Unity, and proposed a fuzzy scoring of evaluation method based on difference value of progress degree corresponding to different steps, named DPDFS. The model was tested through the scores of 30 consecutive games of 120 participants aged from 22 to 29. The results show that the model is very suitable for new hand in games, and it also verifies the effectiveness of games on brain training.
近年来,阿尔茨海默病(Alzheimer’s disease, AD)的发病率呈快速上升趋势,基于游戏的大脑训练有助于阿尔茨海默病的预防和早期治疗。但是大脑训练的效果很难评估。为此,课题组基于Unity设计了一款脑健康运动游戏,并提出了一种基于不同步骤对应的进度度差值的模糊评分评价方法,命名为DPDFS。通过120名年龄在22岁至29岁之间的参与者连续30场比赛的得分来测试该模型。结果表明,该模型非常适用于新手手游,也验证了游戏对大脑训练的有效性。
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引用次数: 0
Evaluation of Terminal Signal Quality based on Entropy Weight Method 基于熵权法的终端信号质量评价
Jie Yin, Lei Han, Lvbin Ma, Hui Cai, Hanke Li, Jing Li, Guanqun Sun
In response to the development of the current smart grid, it is very necessary to study and analyze the power system acquisition capability, especially the analysis of the terminal network signals. In this paper a terminal network signal evaluation method based on entropy weight method has been proposed. First, the collection success rate and the number of logins are selected as the indicators of terminal network signal evaluation, and the entropy weight method is used to determine the index weight, then the fuzzy comprehensive evaluation method is used to evaluate the terminal signal. The experimental results show that the evaluation method has a certain reference value for power companies to study the factors that affect the terminal signal strength and improve the terminal signal.
针对当前智能电网的发展,对电力系统采集能力进行研究和分析,特别是对终端网络信号的分析是非常有必要的。提出了一种基于熵权法的终端网络信号评价方法。首先选取采集成功率和登录次数作为终端网络信号评价的指标,采用熵权法确定指标权重,然后采用模糊综合评价法对终端信号进行评价。实验结果表明,该评价方法对电力公司研究影响终端信号强度的因素,改善终端信号具有一定的参考价值。
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引用次数: 2
Parameter analysis affecting the characteristics of sound insulation of gradient U-shaped groove structure 影响梯度u型槽结构隔声特性的参数分析
Jing Zhou, Lu Zhang, Wen-Ping He, Libo Zheng
There are drill collar mode waves propagating directly along the drill collar during logging while drilling, drill collar waves will seriously interfere with the received strata wave information, At present, the grooveting method is widely used in drilling instruments, and the effect on drilling collar wave suppression is obvious. In this paper, a new type of sound insulator with gradual U-shaped groove structure is designed to suppress drill collar waves, This paper uses theoretical analysis and simulation methods to study the model mechanics and acoustics two parts of the study. The results show that the uniform groove width basically not affect the mechanical properties of drill collar, The combined groove width parameters of groove depth and gradient groove will affect the mechanical properties. Pulsed sound source depth detection sound insulation device with gradient U-shaped groove structure, on the basis of ensuring the mechanical strength of drill collar, the sound wave attenuation of the drilling collar wave is more than that of the uniform groove structure sound insulation body, that is, the gradual U -shaped groove structure sound insulation body has better acoustic characteristics.
在钻井过程中,测井过程中存在沿钻铤直接传播的钻铤模式波,钻铤波会严重干扰接收到的地层波信息,目前在钻井仪器中广泛采用开槽法,对钻铤波的抑制效果明显。本文设计了一种新型的渐进式u型沟槽结构的隔声体来抑制钻铤波,本文采用理论分析和仿真方法对模型力学和声学两部分进行了研究。结果表明,均匀槽宽基本不影响钻铤的力学性能,槽深和梯度槽的组合槽宽参数会影响钻铤的力学性能。采用梯度U型槽结构的脉冲声源深度探测隔声装置,在保证钻铤机械强度的基础上,钻铤波的声波衰减大于均匀槽结构隔声体,即渐变U型槽结构隔声体具有更好的声学特性。
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引用次数: 0
Design of Buck Topology PID Compensation Network Based on Matlab 基于Matlab的Buck拓扑PID补偿网络设计
Lin Li, Bo Zhang
In this paper, the dynamic small signal analysis of Buck converter's main circuit in CCM working mode is carried out, and the small signal model is derived in detail by using the switching element average model method. Then design a PID compensation network to compensate the main circuit. Using Matlab software to simulate the compensation network compensation before and after the open loop transfer function of the bode diagram. Compared with the bode diagram before and after compensation, the results show that after the compensation network design, better performance is obtained and the high frequency interference can be suppressed better.
本文对Buck变换器主电路在CCM工作模式下的动态小信号进行了分析,并采用开关元件平均模型法详细推导了小信号模型。然后设计了PID补偿网络对主电路进行补偿。利用Matlab软件仿真补偿网络补偿前后开环传递函数的波德图。对比补偿前后的波德图,结果表明,补偿网络设计后获得了更好的性能,能更好地抑制高频干扰。
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引用次数: 0
Reliability Analysis Based on Pipeline Leak Detection 基于管道泄漏检测的可靠性分析
Jielin Wang, Lin Li
In order to analysis of pipeline systems including equipment failure mode and cause, calculate the reliability of the unit or system, study the influence of the unit or system failure of pipe to find the weak link in the system, improve and enhance the reliability of the system is put forward concrete and effective measures, according to the result of reliability analysis to determine the optimal equipment spare coefficient, maintenance ability, Material plans, etc. The reliability analysis of different pipe sections of the same pipeline system can accurately understand the weak links, respectively prioritize, grasp the best opportunity to reduce risks, eliminate the hidden accident in the bud, avoid the occurrence of accidents, and control the risk factors within the allowable range of the manager.
为了分析包括管道系统在内的设备故障模式和原因,计算机组或系统的可靠性,研究管道故障对机组或系统的影响,找到系统中的薄弱环节,提出改善和增强系统可靠性的具体有效措施,根据可靠性分析的结果确定最优的设备备品系数、维修能力、物料计划等。对同一管道系统的不同管段进行可靠性分析,可以准确了解薄弱环节,分别进行优先排序,把握降低风险的最佳时机,将事故隐患消除在萌芽状态,避免事故的发生,将风险因素控制在管理者允许的范围内。
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引用次数: 0
Research on Anti-jamming Algorithm for Beidou High-precision Positioning 北斗高精度定位抗干扰算法研究
Jun Chen, F. Huang
This work investigates the primary anti-interference adaptive filtering methods in the first place in light of the vulnerability of the Beidou receiver to interference, based on the interference experienced by the Beidou navigation satellite system. Second, various adaptive filtering algorithms' technical features are contrasted. Finally, a study and analysis of the time-space joint anti-jamming method is conducted. Broadband and narrowband interference can be suppressed simultaneously based on the antenna array element.
本文首先针对北斗接收机易受干扰的特点,以北斗卫星导航系统所经历的干扰为基础,对主要的抗干扰自适应滤波方法进行了研究。其次,对比了各种自适应滤波算法的技术特点。最后,对时空联合抗干扰方法进行了研究和分析。基于天线阵列元件可以同时抑制宽带和窄带干扰。
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引用次数: 0
Ballistic Missile Launch Position Estimation Based on The First Point Measurement Data of Space Infrared Sensor 基于空间红外传感器首点测量数据的弹道导弹发射位置估计
Xuesong Zhang, Nan Wu, Cheng Liu, Lihua Tong
The space infrared sensor detects the infrared radiation of the engine tail flame in the active section of the missile, and uses this to determine the launch and motion state of the missile. Although the active period is very short, the position and speed of the entire active period from the first point of discovery to the shutdown point plays a decisive role in determining the launch position, range and landing position of the missile. In particular, the accuracy of the launch point position estimation has a significant impact on the subsequent ballistic parameter identification and trajectory prediction. Therefore, aiming at the difficulty of missile launch position estimation, this paper proposes a launch position estimation method based on the first point measurement data of space infrared sensor. Assuming that the missile is detected by the infrared sensor when it is launched on the ground, at this time, the missile is located on the ellipsoidal surface of the earth, and the intersection of the line of sight ray and the ellipsoidal surface of the earth is the launch position. The positioning equation is derived through the geometric relationship, and the launch position is solved using an iterative algorithm, and the unscented transformation is used to complete the error propagation analysis from measurement error to launch point positioning error. The simulation results show that the method proposed in this paper can accurately estimate the position of the launch position, and the accuracy of the plane in geodesic coordinates can reach 10−4 orders of magnitude with an error of 10−4 rad in the angle measurement of the infrared sensor. At the same time, it is also proved that the positioning error of the launch position is correlated with the measurement error.
空间红外传感器探测导弹主动段发动机尾焰的红外辐射,并以此来确定导弹的发射和运动状态。虽然活跃期很短,但从第一个发现点到关闭点整个活跃期的位置和速度对导弹的发射位置、射程和着陆位置起着决定性的作用。其中,发射点位置估计的准确性对后续的弹道参数辨识和弹道预测具有重要影响。因此,针对导弹发射位置估计的难点,本文提出了一种基于空间红外传感器首点测量数据的发射位置估计方法。假设导弹在地面发射时被红外传感器探测到,此时导弹位于地球椭球面上,视线射线与地球椭球面上的交点即为发射位置。通过几何关系推导定位方程,采用迭代算法求解发射位置,并采用unscented变换完成从测量误差到发射点定位误差的误差传播分析。仿真结果表明,本文提出的方法能够准确估计发射位置的位置,红外传感器测角精度可达10−4个数量级,误差为10−4 rad。同时,还证明了发射位置的定位误差与测量误差是相关的。
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引用次数: 1
Optimization and correction of RF moisture content measurement system 射频水分测量系统的优化与校正
Ruirong Dang, Wei Gao, Yuehan Gao
The water content of crude oil is an important parameter in the process of oil exploitation. Measuring the water content of crude oil in real time and accurately can effectively evaluate the production status and productivity of oil wells. According to the characteristics that the dielectric constants of oil and water media are greatly different and the high-frequency electromagnetic signal is sensitive to the dielectric constant, according to the designed antenna structure and measurement circuit, and the characteristics that the dielectric constant of water is affected by temperature, the frequency of excitation signal is optimized, and the temperature detection circuit is added. Through the repeated experiment on the water content of crude oil, the measurement error of water content is calibrated, A high-precision RF crude oil moisture content measuring instrument has been formed. It is verified through the built system experiment platform that the system has the advantages of low power consumption, strong real-time performance, low cost and strong reliability. It has great production guiding significance and value for the optimization of oilfield production and the realization of intelligent well completion.
原油含水率是石油开采过程中的一个重要参数。实时、准确地测量原油含水率,可以有效地评价油井的生产状况和产能。根据油水介质介电常数差异较大,高频电磁信号对介电常数敏感的特点,根据所设计的天线结构和测量电路,以及水的介电常数受温度影响的特点,优化了激励信号的频率,增加了温度检测电路。通过对原油含水率的反复实验,对含水率的测量误差进行了标定,形成了高精度RF原油含水率测量仪。通过搭建的系统实验平台,验证了该系统具有功耗低、实时性强、成本低、可靠性强等优点。对油田优化生产、实现智能完井具有重要的生产指导意义和价值。
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引用次数: 1
期刊
2022 4th International Conference on Intelligent Control, Measurement and Signal Processing (ICMSP)
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