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APPLICATION SOFTWARE DEVELOPMENT FOR THE GEOTECHNICAL MONITORING SYSTEM OF GAS PIPELINES 输气管道岩土监测系统应用软件开发
Pub Date : 2022-06-01 DOI: 10.14489/td.2022.06.pp.048-059
I. Gulyaev, S. Stepanov, A. Vasenin, A. A. Kosorotov, O. Kryukov
The article considers a scientifically based approach that ensures trouble-free operation of large-scale distributed production facilities using a set of measures, one of the components of which is an automated monitoring system. A procedure for automated collection of a large array of data from the entire object in a relatively short period of time with automatic interpretation and visualization of information in forms convenient for decision-making is proposed. It is shown that one of the most important indicators of the functioning of pipeline transport is the level of the stress-strain state of the metal, which depends on internal and external factors – the parameters of the transportation process, the state of the pipeline metal, ground movement and other meteorological and technological factors. At the same time, the integration of the monitoring system with automated systems for planning and carrying out routine maintenance and repair work, as well as closer integration with automated process control systems and dispatch control systems, is very significant. As a result of the creation of such a system of integrated monitoring of the gas pipeline, data exchange speeds are increased, their analytical processing is provided, as well as rapid visualization on the control room operator's workstation. The implementation of these procedures for automatic interpretation and visual representation of large volumes of incoming information contributes to the support of operational decision-making during the operation of oil and gas pipelines in adverse environmental conditions.
本文考虑了一种基于科学的方法,使用一套措施来确保大规模分布式生产设施的无故障运行,其中一个组成部分是自动化监控系统。提出了一种在相对较短的时间内从整个目标自动收集大量数据,并以方便决策的形式自动解释和可视化信息的方法。研究表明,管道运输功能的重要指标之一是金属的应力-应变状态水平,这取决于内部和外部因素——运输过程参数、管道金属的状态、地面运动和其他气象和技术因素。同时,监控系统与规划和执行日常维护和维修工作的自动化系统的集成,以及与自动化过程控制系统和调度控制系统的更紧密集成,是非常重要的。由于建立了这样一个天然气管道综合监测系统,数据交换速度提高了,提供了分析处理,以及在控制室操作员工作站上的快速可视化。这些程序的实施对大量传入信息进行自动解释和可视化表示,有助于在不利环境条件下的油气管道运行过程中支持操作决策。
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引用次数: 0
MICROWAVE MOISTURE MEASUREMENT 微波测湿
Pub Date : 2022-06-01 DOI: 10.14489/td.2022.06.pp.018-022
V. I. Matveev
The article describes the wide possibilities of microwave methods for measuring humidity of a large range of products, their differences and advantages. Specific examples and the most common schemes of implemented microwave moisture meters are given. The ways of development of microwave moisture measurement in modern conditions are shown.
本文介绍了微波方法测量各种产品湿度的广泛可能性、它们的差异和优点。给出了微波湿度仪的具体实例和最常用的实现方案。介绍了微波测湿技术在现代条件下的发展方向。
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引用次数: 0
DEVELOPMENT AND DETERMINATION OF THE MAIN PERFORMANCE INDICATORS OF THE CALIBRATION PLATE BASED ON A COMBINATION OF CONCRETE AND GLASS 基于混凝土和玻璃组合的校准板的主要性能指标的开发和确定
Pub Date : 2022-06-01 DOI: 10.14489/td.2022.06.pp.030-035
V. Chernov, N. A. Magalyas, E. A. Anisimov, E. Saldayeva
The work considers a surface plate, designed and manufactured from glass and reinforced concrete as a working surface and the base of the plate, respectively. The results of researching of the main metrological and operational characteristics of the plate are presented, such as surface flatness and irregularity of the working surface, the greatest surface deflection under the action of a distributed load. It has been established that the developed experimental sample of the composite plate is suitable for accuracy class 000 in terms of surface irregularity, and for other characteristics, it does not even suit for accuracy class 3. In addition, the reasons are identified and further directions for improving the design and manufacturing method are established in order to improve the metrological and operational characteristics of the composite plate
该作品考虑了一个表面板,由玻璃和钢筋混凝土设计和制造,分别作为工作表面和板的基础。给出了平板的主要计量和工作特性的研究结果,如工作表面的平整度和不规则性,在分布荷载作用下的最大表面挠度。研究表明,所研制的复合板实验样品在表面不平整度方面适合精度等级为000级,在其他方面甚至不适合精度等级为3级。此外,还找出了原因,并确定了进一步改进设计和制造方法的方向,以改善复合板的计量和操作特性
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引用次数: 0
CALCULATIONS OF ACOUSTIC СHANNELS OF A TANDEM TECHNIQUES WITH USAGE OF TRANSVERSE WAVES AND TANDEM WITH TRANSFORMATION OF TRANSVERSE WAVES IN LONGITUDINAL ON THE UPRIGHT ORIENTED PLANAR REFLECTOR SUCH AS A FLAT BOTTOM HOLE 利用横波串联技术和横波纵向变换串联技术在垂直定向平面反射器(如平底孔)上的声学计算Сhannels
Pub Date : 2022-06-01 DOI: 10.14489/td.2022.06.pp.004-017
V. Danilov
The computer simulation of acoustic сhannels of a tandem techniques on transverse waves (usual) and with transformation of radiated transverse waves in longitudinal on a upright oriented surface of the reflector such as a round flat bottom hole is conducted, during which one the calculations of echo signals for different stratification depths of the reflector, angles of probes and bases to apex are executed. For both methods the influencing on amplitude of a registered signal of a rule position of the reflector on depth of the control is established. The obtained formula of an acoustic сhannel of a tandem technique with transformation allows to conduct calculations of a echo signal at change of spacing interval from the reflector up to transmitting and receiving probes. It is showed, that at a ultrasonic probe technique of objects with a bottom surface without a cladding fused layer with usage of a tandem technique with transformation of transverse waves in longitudinal as contrasted to by usual scheme the tandem of advantages has no.If the bottom surface of object contacts to a cladding fused layer, the ultrasonic probe technique with usage of the scheme a tandem with transformation of transverse waves in longitudinal for the upright oriented planar reflector can be more sensing, than with usage of the usual scheme a tandem.
对横波(通常)串联技术的声波通道进行了计算机模拟,并在反射器垂直定向表面(如圆底孔)上进行了纵向辐射横波变换,计算了反射器不同分层深度、探头角度和底顶角的回波信号。对于这两种方法,建立了反射器规则位置对配准信号幅度对控制深度的影响。所得到的带变换的串联技术的声通道公式,允许对从反射器到发射和接收探头的间隔变化的回波信号进行计算。结果表明,在无熔覆层底表面物体的超声探测技术中,采用横波纵向变换的串列技术,与常规方案相比,没有串列优势。当物体底表面与熔覆层接触时,对垂直定向的平面反射器采用横波纵向变换的串联方案的超声探头技术比采用常规串联方案的超声探头技术具有更好的传感效果。
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引用次数: 0
ANALYSIS OF THE ERRORS OF DETERMINING THE EQUIVALENT SIZE AND ORIENTATION OF A PLANE DEFECT UNDER MANUAL ULTRASONIC CONTROL 人工超声控制下确定平面缺陷等效尺寸和方向的误差分析
Pub Date : 2022-06-01 DOI: 10.14489/td.2022.06.pp.060-064
A. Kireev, M. Kireeva
The article reviews and analyzes the method of defect identification for determining the angle of inclination of a planar point defect to the input surface of an ultrasonic wave and its equivalent size during manual ultrasonic testing by the echo-pulse method. The method is most widely used in ultrasonic control of parts obtained by plastic deformation (forging, hot and cold stamping, rolling). This is due to the fact that defects in such parts are predominantly planar in nature. The method of ultrasonic defect identification is based on the use of a combined transducer P131-2.5-0i18-VO-04 containing two piezoelectric transducers in one housing with a normal input of a longitudinal ultrasonic wave and an input angle of 18º. The article presents a mathematical apparatus for the implementation of this method. Also presented is a software product that allows you to automate calculations when using this method of defect identification. The article carried out experimental studies of this method of ultrasonic defect identification, which showed its low error and high efficiency. The average value of the relative error in determining the angle of inclination of a planar point defect to the input surface of an ultrasonic wave was 1.525 %. The average value of the relative error in determining the equivalent size of a planar point defect located at an angle to the ultrasonic wave input surface was 1.192 %.
本文综述和分析了人工超声检测中利用回波脉冲法确定平面点缺陷对超声波输入面的倾斜角及其等效尺寸的缺陷识别方法。该方法最广泛地应用于塑性变形(锻造、冷热冲压、轧制)获得的零件的超声波控制。这是由于这类零件的缺陷主要是平面的。超声波缺陷识别方法基于使用组合换能器P131-2.5-0i18-VO-04,该换能器在一个外壳中包含两个压电换能器,其法向输入为纵向超声波,输入角为18º。本文提出了一种实现这种方法的数学装置。另外还提供了一个软件产品,它允许您在使用这种缺陷识别方法时自动计算。本文对该超声缺陷识别方法进行了实验研究,结果表明该方法误差小,效率高。确定平面点缺陷与超声波输入面倾斜角的相对误差平均值为1.525%。确定与超声波输入面成一定角度的平面点缺陷等效尺寸的相对误差平均值为1.192%。
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引用次数: 0
ABOUT INFLUENCE OF THE PARAMETERS OF THE ELECTRICAL CIRCUITS OF TRANSMISSION AND RECEPTION OF A SINGLE CRYSTAL NORMAL PROBE ON THE CHARACTERISTICS OF THE FREQUENCY SPECTRUM AND THE PULSE OF THE BOTTOM ECHO 研究了单晶法向探头发射和接收电路参数对底回波频谱特性和脉冲特性的影响
Pub Date : 2022-05-01 DOI: 10.14489/td.2022.05.pp.004-011
V. Danilov
Based on computer modeling of the electro acoustic channel of a normal probe for a reflector in the form of a bottom surface, the influence of elements of the electrical circuits of the probe on the characteristics of the frequency spectrum and pulse of the recorded echo signal is considered. It is shown that the use of corrective inductance to compensate for the reactance of the piezoelectric probe plate provides an increase in the amplitude of the signal, and the parallel connection of the corrective inductance in the electrical circuits of the probe during transmission and reception has an advantage over serial connection. Examples of choosing the parameters of the elements of the electrical circuits of the probe to receive a signal with the highest amplitude are given. In general, the optimal choice of such parameters depends on the electrical impedance of the piezoelectric plate of the probe, taking into account the influence of the reverse piezoelectric effect.
在对反射镜普通探头的底面电声通道进行计算机模拟的基础上,考虑了探头电路元件对记录回波信号频谱特性和脉冲特性的影响。结果表明,利用校正电感补偿压电探测板的电抗,可以增加信号的幅度,并且在发射和接收过程中,在探头电路中并联校正电感比串行连接具有优势。给出了选择探头电路元件参数以接收最高幅度信号的实例。一般来说,这些参数的最优选择取决于探头压电板的电阻抗,同时考虑到反向压电效应的影响。
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引用次数: 1
IDENTIFICATION OF TEMPERATURE SENSITIVITY DETECTOR ON FIBER BRAGG GRATING (FBG) SENSOR 光纤布拉格光栅(fbg)传感器上温度灵敏度检测器的识别
Pub Date : 2022-05-01 DOI: 10.14489/td.2022.05.pp.026-033
V. Aniskovich, O. Budadin, S. Kozelskaya, Y. G. Kutyurin, A. Rykov
The article presents the results of work on the study of the dependence of the results of temperature measurements using fiber Bragg gratings (FBGs). It was found that FBGs not only have different initial sensitivity, but also exhibit nonlinearity even in a narrow temperature range (from –30 to +70 °C). It is shown that to use the FBG as temperature sensors, it is necessary to precalibrate the FBG by temperature.
本文介绍了光纤布拉格光栅测温结果的相关性研究的结果。结果表明,fbg不仅具有不同的初始灵敏度,而且在较窄的温度范围内(-30 ~ +70℃)也表现出非线性。结果表明,要将光纤光栅用作温度传感器,必须对光纤光栅进行温度预校准。
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引用次数: 1
APPLICATION OF NEURAL NETWORKS IN ULTRASONIC NON-DESTRUCTIVE TESTING (REVIEW) 神经网络在超声无损检测中的应用(综述)
Pub Date : 2022-05-01 DOI: 10.14489/td.2022.05.pp.012-025
V. G. Badalyan, A. Vopilkin
A review of the current state and experience of the practical application of artificial neural networks in ultrasonic non-destructive testing is presented. Separately, the features of the use of neural networks for the classification of defects according to data obtained by echo-pulse methods and the TOFD are considered. Information is given on the efficiency of defect classification using neural networks for various ultrasonic testing tasks.
综述了人工神经网络在超声无损检测中的应用现状和经验。另外,考虑了利用神经网络根据回波脉冲法和TOFD获得的数据进行缺陷分类的特点。给出了利用神经网络对各种超声检测任务进行缺陷分类的效率。
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引用次数: 1
QUASI-DISTRIBUTED RECIRCULATED FIBER OPTIC GASEOUS OXYGEN MEASUREMENT SYSTEM 准分布式再循环光纤气体氧测量系统
Pub Date : 2022-05-01 DOI: 10.14489/td.2022.05.pp.034-041
A. V. Polyakov
A scheme of a quasi-distributed fiber-optic system for monitoring the oxygen concentration of the recirculation type is proposed. The principle of measurement is to register changes in the recirculation frequency of single optical pulses with periodic regeneration simultaneously at several wavelengths. The operation of the sensor is based on a change in the length of the magnetostrictive strips and the segments of optical fibers associated with them under the influence of a changing magnetic field due to the paramagnetic properties of gaseous oxygen. The numerical estimation of the measurement error has been carried out. It is shown that with a length of the sensitive element of the sensor of 1.5 m and a radius of 0.6 ... 0.7 m, it is possible to obtain a relative error of the measurement method no worse than 0.6% for pure oxygen and 2.5% for an air mixture.
提出了一种准分布式光纤系统监测循环型氧浓度的方案。测量原理是在多个波长同时记录具有周期性再生的单光脉冲的循环频率变化。由于气态氧的顺磁性,在磁场变化的影响下,传感器的工作是基于磁致伸缩条和与之相关的光纤段的长度变化。对测量误差进行了数值估计。结果表明,当传感器敏感元件的长度为1.5 m,半径为0.6…0.7 m时,测量方法的相对误差对于纯氧不小于0.6%,对于空气混合物不小于2.5%。
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引用次数: 0
CREATION OF A MULTI-LEVEL AUTOMATED CONTROL SYSTEM FOR MONITORING THE SAKHALIN–KHABAROVSK–VLADIVOSTOK MAIN GAS PIPELINE 建立多层次自动化控制系统,监测萨哈林-哈巴罗夫斯克-符拉迪沃斯托克主要天然气管道
Pub Date : 2022-05-01 DOI: 10.14489/td.2022.05.pp.048-059
A. Vasenin, S. Stepanov, V. Ippolitov, S. A. Pogodina, O. Kryukov
The features of the design and implementation of the integrated automated control system of the Sakhalin–Khabarovsk–Vladivostok main gas pipeline, which provides reliable and energy-efficient operation of natural gas supplies to consumers of the Far Eastern region of the Russian Federation and energy exports to foreign countries, are considered. The natural-climatic and geophysical conditions of laying the gas pipeline route are presented, which determine the set of functional capabilities for monitoring and managing technological processes of gas transportation. A hierarchical structure of an integrated automated process control system is proposed, which provides adequate monitoring of stochastic disturbances of a natural and technological nature based on intelligent sensors and basic principles of information exchange organization. Examples of innovative design solutions for the functional structure and architecture of the organizational and functional automated control system of the gas pipeline, as well as technical means as part of the structure of the complexes of technical means of automated control systems functioning as part of control rooms are considered. A scientifically based procedural algorithm for calculating the stress-strain state for the monitoring site based on the analysis of sensor readings for short-term forecasting of changes in the technical condition of the gas pipeline has been obtained.
审议了萨哈林-哈巴罗夫斯克-符拉迪沃斯托克主要天然气管道综合自动化控制系统的设计和实施特点,该系统向俄罗斯联邦远东地区的消费者提供可靠和节能的天然气供应,并向外国出口能源。提出了天然气管道线路铺设的自然气候条件和地球物理条件,这些条件决定了天然气输送工艺过程监测和管理的功能能力。基于智能传感器和信息交换组织的基本原理,提出了一种集成自动化过程控制系统的分层结构,可以对自然和技术性质的随机干扰进行充分的监测。考虑了燃气管道组织和功能自动化控制系统的功能结构和体系结构,以及作为控制室组成部分的自动化控制系统技术手段综合体结构的技术手段的创新设计方案实例。通过对传感器读数的分析,获得了一种科学的计算监测现场应力应变状态的程序算法,用于短期预测输气管道技术状态的变化。
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引用次数: 0
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Kontrol'. Diagnostika
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