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The Method and the Results of the Direct Comparison of the Laser Interferometers Renishaw Xl-80 Renishaw Xl-80激光干涉仪直接比较的方法和结果
Pub Date : 2018-08-30 DOI: 10.33955/2307-2180(4)2018.15-21
O. Samoylenko, O. Adamenko, V. Kalynichenko
The method of the direct comparison of the laser interferometers and method processing of the interferometry measurement results by the least square method (LSM) is present. The additive part of the measurement error for each pair of the interferometers is evaluated and the multiplicative part of the measurement error for each interferometer is evaluated too by LSM. Uncertainty by A tape by LSM is evaluated for all parameters. Results of the comparison of the three interferometers are presented.
介绍了激光干涉仪的直接比较方法和最小二乘法对干涉测量结果的处理方法。LSM评估了每对干涉仪测量误差的加法部分,也评估了每个干涉仪的测量误差的乘法部分。通过LSM的A带评估所有参数的不确定度。给出了三种干涉仪的比较结果。
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引用次数: 3
Generalized Comparison of the Results of Evaluation of Experts Competence in the Field of Metrology 计量领域专家能力评价结果的广义比较
Pub Date : 2018-08-30 DOI: 10.33955/2307-2180(4)2018.61-66
O. Velychko, T. Gordienko
The article presents the results of research of known methods and methods for assessing the competence of experts in the field of metrology according to established criteria. The results are processed using special techniques and software tools, taking into account the uncertainty of the data and the application of the analytical hierarchy method. A comparative analysis of the results is carried out to assess the convergence and suitability of the methods.
本文介绍了已知方法的研究结果,以及根据既定标准评估计量领域专家能力的方法。考虑到数据的不确定性和层次分析法的应用,使用特殊的技术和软件工具对结果进行处理。并对结果进行了对比分析,以评价方法的收敛性和适用性。
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引用次数: 0
Photometer for Measuring the Characteristics of the Light Source with Directed Light Radiation 测量定向光辐射光源特性的光度计
Pub Date : 2018-08-30 DOI: 10.33955/2307-2180(4)2018.27-32
P. Neyezhmakov, E. Tymofeiev, О. Lyashenko
The accuracy of the measurement of the main photometric characteristic of the emitter determines the error for determining the total light flux of the light sources, especially light emitting diodes, for which it should not exceed 5 per cent. Existing measurement methods with the use of integrated spheres, goniophotometers and goniophotometers of the near field require a great deal of time and have a great deal of value. To eliminate these shortcomings, a method for measuring the characteristics of light sources with directed light distribution is proposed based on the use of a set of meters located in a plane perpendicular to the main direction of the source radiation propagation. On the basis of this method, a photometer for measuring the characteristics of the directional light sources is developed, which allows to quickly, in real time, determine the characteristics of the emitters. The method of determining the parameters of light distribution of directed sources of light for the construction of its photometric body is not required to use a rotary means. Taking into account the significant influence of temperature fluctuations on the characteristics of LED light sources, it is possible will upgrade the proposed method for determining the photometric body of the radiation source in real time and when the temperature changes due to the introduction of additional elements in the future.
发射器主要光度特性的测量精度决定了确定光源,特别是发光二极管的总光通量的误差,对于这种误差不应超过5%。现有的使用积分球、角度计和近场角度计的测量方法需要大量的时间,并且具有很大的价值。为了消除这些缺点,提出了一种测量具有定向光分布的光源特性的方法,该方法基于使用位于垂直于源辐射传播的主方向的平面中的一组仪表。在这种方法的基础上,开发了一种用于测量定向光源特性的光度计,该光度计可以快速、实时地确定发射器的特性。用于构造其光度主体的定向光源的光分布参数的确定方法不需要使用旋转装置。考虑到温度波动对LED光源特性的重大影响,未来可能会升级所提出的实时确定辐射源光度体的方法,以及当温度因引入额外元素而发生变化时。
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引用次数: 0
Experimental Studies of an Eddy Current Transducer with Spatially Periodic Fields 空间周期场涡流传感器的实验研究
Pub Date : 2018-08-30 DOI: 10.33955/2307-2180(4)2018.45-50
B. Gorkunov, S. Lvov, Tamer Shaiban, Y. Borysenko
The purpose of this study is to perform a comparative analysis of the experimentally obtained and calculated values of the measuring windings total EMF amplitudes of the eddy current transducer with spatially periodic fields when magnetic and nonmagnetic cylindrical product are placed in it. To realize this goal in the work, a transducer with translational symmetry of excitation magnetic field has been developed. Translation symmetry typical example is the field of a long current conductor. The paper considers quasi-static electromagnetic field with the wavelength that exceeds characteristic transverse dimensions of conductor and cylinder. As the study result it is seen a satisfactory coincidence of the calculated and experimentally obtained values of the EMF of the transducer output signal in the cases of the product absence and with variety of products. As for example for measuring windings with angular coordinates φ = 30° and 60° an error of voltage values difference is less than 10%. The study shows that the advantage of such transducers while operating on one fixed frequency is capability to perform the multi-parameter testing on account of processing of certain amount of some spatial harmonics of excitation field.
本研究的目的是对比分析放置磁性和非磁性圆柱形产品时,具有空间周期场的涡流换能器的测量绕组总电动势幅值的实验所得值和计算值。为了在工作中实现这一目标,研制了一种具有激发磁场平动对称性的换能器。平移对称的典型例子是长电流导体的磁场。本文考虑了波长超过导体和圆柱体的特征横向尺寸的准静态电磁场。研究结果表明,换能器输出信号的电动势在无产品和多种产品情况下的计算值与实验值吻合得很好。例如,测量角坐标φ = 30°和60°的绕组,电压值差的误差小于10%。研究表明,该换能器在固定频率下工作时,由于处理了一定数量的励磁场空间谐波,可以进行多参数测试。
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引用次数: 1
Problems of Accuracy of Measurements of Curves on International Transport Corridors of Ukraine 乌克兰国际运输走廊曲线测量精度问题
Pub Date : 2018-08-30 DOI: 10.33955/2307-2180(4)2018.56-60
A. Matvienko, A. Shevchenko
The analysis of the line layout on curves and straight sections of international transport corridors, calculations based on the accuracy measurement method for rapid and high-speed traffic, confirmed the need to take into account the scope of work, the cost of reconstructing curves and saving energy resources to establish rational layout parameters in accordance with a specified level of maximum speed.
对国际运输走廊曲线和直线段线路布局的分析,基于快速和高速交通的精确测量方法进行的计算,证实了需要考虑工作范围,重建曲线和节省能源的成本,以根据指定的最大速度水平建立合理的布局参数。
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引用次数: 0
Photometer for Measuring of Low Light Levels 微光测量光度计
Pub Date : 2018-08-30 DOI: 10.33955/2307-2180(4)2018.22-26
B. Shabashkevich, V. Yuriev, Y. Dobrovolsky, I. Doktorovich, E. Shorok
Modern lightmeters are analyzed and the results of the development of a luxmetre with a dynamic range of ten orders and the methods of studying its metrological characteristics are presented, according to which the nonlinearity of the energy characteristic of the sensitivity of the luxmetre does not exceed ± 0,7 % in the range of illumination (1 · 10-5 – 1 · 105) lux, and the limits of the permissible basic relative error of measuring the illumination do not exceed ± 5 %.
对现代照度计进行了分析,给出了动态范围为十阶的照度计的研制结果和研究其计量特性的方法,根据这些结果,照度计灵敏度的能量特性非线性在照度(1·10-5–1·105)lux范围内不超过±0.7%,并且测量照度的允许基本相对误差的极限不超过±5%。
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引用次数: 0
Metrological Assurance of Large Torque Measurements 大扭矩测量的计量保证
Pub Date : 2018-08-30 DOI: 10.33955/2307-2180(4)2018.41-44
G. Leonov, V. Koval, А. Demchenko
The problems of metrological assurance for large torque measuring, reproduced by hydraulic torque wrenches and screwdrivers, are considered. The authors developed the system, principles and procedures for calibrating the PLARAD device, used for calibration of hydraulic torque wrenches up to 1000 N·m. The results of the PLARAD device calibration are presented.
考虑了液压扭矩扳手和螺丝刀再现的大扭矩测量的计量保证问题。作者开发了PLARAD装置的校准系统、原理和程序,该装置用于校准1000 N·m以下的液压扭矩扳手。给出了PLARAD装置的校准结果。
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引用次数: 0
Using the pixel information value parameter in an entropy image analysis criterion 在熵图像分析准则中使用像素信息值参数
Pub Date : 2018-08-30 DOI: 10.33955/2307-2180(4)2018.67-72
R. Kvyetnyy, A. Olesenko
The work is devoted to the development and research of the entropy criterion of image analysis on its corresponding to the method of RLE-compression. The Lab color model and the CIEDE1976 color estimation metric have been analyzed. The pixel information importance parameter has been introduced, which is based on the above described metric and allows us to estimate the importance of the adjacent pixel taking into consideration the information it introduces in relation to the previous pixel. The modified entropy image analysis criterion has been developed taking into account the pixel’s information importance parameter. The adequacy of the proposed criterion has been checked on the sample of standard test images and the feasibility of its use has been proved.
本工作致力于图像分析的熵准则与RLE压缩方法的发展和研究。分析了Lab颜色模型和CIEDE1976颜色估计度量。引入了像素信息重要性参数,该参数基于上述度量,并允许我们在考虑其引入的关于先前像素的信息的情况下估计相邻像素的重要性。在考虑像素信息重要性参数的基础上,提出了改进的熵图像分析准则。在标准测试图像的样本上检验了所提出的标准的充分性,并证明了其使用的可行性。
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引用次数: 0
The Study of Trends in the Development of Methods for Implementing the Temperature Scale in the Framework of Improving the State Primary Standard of the Temperature Unit in the Range 1357.7 — 2800 K 在提高1357.7 ~ 2800 K范围内温度单位国家一级标准框架下温标实施方法发展趋势研究
Pub Date : 2018-08-30 DOI: 10.33955/2307-2180(4)2018.3-14
R. Sergiienko
Within the framework of improving the state primary standard of the temperature unit in the range from 1357.7 to 2800 K, the work was carried out to study and analyze the development of methods for implementing the temperature scale, on the basis of which the structural scheme of the primary standard DETU 06.03.96 was formed.
在完善1357.7 ~ 2800 K温度机组国家一级标准的框架下,对温标实施方法的制定进行了研究和分析,在此基础上形成了DETU 06.03.96一级标准的结构方案。
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引用次数: 0
Interlaboratory Comparisons of Calibration Results of the Measures of Electrical Resistance of Direct Current 直流电阻测量校准结果的实验室间比较
Pub Date : 2018-04-26 DOI: 10.33955/2307-2180(2)2018.25-30
O. Velychko, V. Dovgan, D. Nikitenko, Ia. Brezytskyi
For the accredited calibration laboratories in Ukraine, a second round of inter-laboratory comparisons (ILC) of the results of calibration of electrical resistance measures of direct current was conduc­ted. It is important to conduct such rounds of ILC of results with the involvement of an increasing number of calibration laboratories. This will, accordingly, establish the competence of an increasing number of calibration laboratories, which is quite relevant today. The article presents the results of the first round of ILC of the measures of electric resistance 1 Ohm, 10 Ohm and 100 Ohm on a direct current. As an comparison examples by reference laboratory measurement of electrical resistance of direct current P321 and P331, which were already used in the first round of ILC, were selected. The reference labo­ratory has research the measures of electrical resistance as a means of comparison, defined the reference values of comparison with the calculation of their extended uncertainties according to the mea­surement model. The comparison of the results of measurements obtained during the calibration of the measures of electrical resistance of eight laboratories took place according to the radial scheme from 2018 to 2019. The deviations of the results obtained by each laboratory were determined and their correctness was evaluated taking into account the uncertainty of measurements by one of the criteria for performance statistics for the selected electrical resistance ra­tings. The obtained En values show that for all laboratories participating satisfy the set criterion, except for the result of one laboratory for electrical resistance of 10 Ohms. A comparative analysis of the results of the calibration of resistance measures for laboratories that took part in the first and second rounds was carried out.
对于乌克兰认可的校正实验室,对直流电阻测量校正结果进行了第二轮实验室间比较。重要的是在越来越多的校准实验室参与的情况下进行这类结果的综合分析。因此,这将建立越来越多的校准实验室的能力,这在今天是非常相关的。本文介绍了直流1欧姆、10欧姆和100欧姆电阻测量的第一轮ILC结果。选取第一轮ILC中已经使用的直流电源P321和P331作为参考实验室电阻测量的对比实例。参考实验室研究了电阻测量作为比较手段,根据测量模型确定了比较参考值,并计算了它们的扩展不确定度。对2018年至2019年按径向方案校准八个实验室电阻测量的测量结果进行了比较。确定每个实验室获得的结果的偏差,并根据所选电阻额定值的性能统计标准之一考虑测量的不确定性,评估其正确性。所得的En值表明,除了一个实验室的电阻为10欧姆的结果外,所有参与的实验室都满足设定的标准。对参加第一轮和第二轮工作的实验室的耐药性措施校准结果进行了比较分析。
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Metrologiia ta priladi
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