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2022 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM)最新文献

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Methods for Increasing the Cybersecurity of FNC Devices on the FPGA-Based Platform in Network Communications 在基于fpga的网络通信平台上提高FNC设备网络安全的方法
V. Kokovin, A. Sytin, Victor V. Skvortsov
The emergence of network ecosystems such as Industrial IoT (IIoT), Internet of Robotic Things (IoRT) has given a powerful impetus to the use of open information and communication technologies. But this also caused increased information attacks on IoT/IIoT. The danger of cyberattacks and their consequences from the point of view of critical vulnerabilities of technological processes controlled by Functional Networking Components (FNC) are analyzed. The features of using FNC in distributed control systems are considered. Algorithms for the formation of Crypto Identifiers to increase the cybersecurity of FNCs when interacting over local networks are presented. The FNC structure was developed using the Cyclone 10 LP FPGA family 10CL025YU256I7G, TDC7200 and the Cortex-A72 ARM controller to form experiments on the study of Crypto Identifiers. The results of experiments are presented. A lossless data compression algorithm was used when generating messages.
工业物联网(IIoT)、机器人物联网(IoRT)等网络生态系统的出现,有力地推动了开放信息通信技术的应用。但这也导致了对物联网/工业物联网的信息攻击增加。从功能网络组件(FNC)控制的技术过程的关键漏洞角度分析了网络攻击的危险性及其后果。分析了FNC在分布式控制系统中的特点。提出了加密标识符的形成算法,以提高fnc在本地网络上交互时的网络安全。采用Cyclone 10 LP FPGA系列10CL025YU256I7G、TDC7200和Cortex-A72 ARM控制器开发了FNC结构,形成了对加密标识符研究的实验。给出了实验结果。在生成消息时使用了无损数据压缩算法。
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引用次数: 0
Review and Analysis of Methods for constructing Mathematical Models of Electrical Contacts for Predicting of Contact Radio Interference on Mobile Objects 用于预测移动物体接触无线电干扰的电接触数学模型构建方法综述与分析
B. Utkin, N. Grachev, V. Matveev
This article presents an overview and analysis of methods for constructing mathematical models of electrical contacts for predicting contact radio interference on mobile objects. A study of the relationship between the change in the components of the total contact resistance and the predicted contact radio interference is presented. The analysis of three main models of contact resistance is carried out and recommendations on the methodology of applying these methods in the problem of predicting contact radio interference are developed. The obtained results of the analysis of methods for constructing mathematical models of electrical contacts are of great practical and scientific interest, since contact models are the most important basis for predicting contact radio interference. Work in this field allows to increase reliability and provide the required electromagnetic compatibility and noise immunity of devices that are part of connected radio engineering systems.
本文概述和分析了为预测移动物体上的接触无线电干扰而建立电接触数学模型的方法。研究了总接触电阻分量的变化与预测接触无线电干扰之间的关系。对接触电阻的三种主要模型进行了分析,并提出了在预测接触无线电干扰问题中应用这些模型的方法建议。由于接触模型是预测接触无线电干扰最重要的依据,因此对建立电接触数学模型方法的分析结果具有重要的实用和科学意义。该领域的工作可以提高可靠性,并提供连接无线电工程系统中设备所需的电磁兼容性和抗噪声能力。
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引用次数: 1
Finite-Time State-Dependent Coefficient Method for Optimal Control of Nonlinear Systems 非线性系统最优控制的有限时间状态相关系数法
A. Kabanov
The paper exams the solution of a nonlinear optimal control problem over a finite time interval based on the state-dependent coefficients technique. A widely used solution method via the state-dependent Riccati equation (SDRE) requires the backward integration of the state-dependent differential Riccati equation (SDDRE). At the same time, there is a difficulty in implementation due to the unavailability of information about the system state at future time. One of the ways to overcome the state information problem during backward integration is based on an approximate solution through the hypothesis of “frozen” coefficients and a state-dependent Lyapunov differential equation. However, this approximate solution may be less accurate, for example, compared to the method of approximating sequence of Riccati equations (ASRE). In this paper, an algorithm for the SDRE controller design is proposed through backward integration together with the solution of the auxiliary backward optimal control problem. The effectiveness of the method is shown by an example of the problem of assessing systemic risk.
本文研究了基于状态相关系数技术的有限时间区间非线性最优控制问题的求解方法。目前广泛应用的状态相关Riccati方程(SDRE)求解方法需要对状态相关微分Riccati方程(SDRE)进行后向积分。同时,由于无法获得有关系统未来状态的信息,因此在实现中存在困难。克服后向积分过程中状态信息问题的方法之一是基于“冻结”系数假设和状态相关李雅普诺夫微分方程的近似解。然而,这种近似解可能不太准确,例如,与近似里卡第方程序列的方法(ASRE)相比。本文提出了一种通过后向积分进行SDRE控制器设计的算法,并结合辅助后向最优控制问题的求解。以系统风险评估问题为例,验证了该方法的有效性。
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引用次数: 3
Improvement of Generator Synchronization Algorithm 发电机同步算法的改进
Anatoly Glazyrin, Alexey Il'in, O. Afanasieva
The collection, transmission and processing of information in a digital substation takes place in digital form, which is not applicable to analog generator timing devices (RTDs). Their implementation in systems under design/reconstruction is impossible. Insufficient flexibility of the analog synchronizer algorithm may lead to non-synchronous switching when the voltage and frequency rate threshold is exceeded. The lack of self-diagnostics of the voltage circuits in the analog synchronizer may lead to failure or breakdown due to non-synchronous switching due to faulty circuits of another generator, which is already synchronized. In this paper a review and implementation of the synchronization function of generators in microprocessor devices is carried out. The process of switching the generator to parallel operation and to network operation, the algorithm of the exact synchronization function and methods of increasing the accuracy of synchronization are considered and analyzed. The requirements for precision synchronization devices are studied. The developed precise synchronization function is actively used in automatic synchronization devices of EKRA 200 series generators.
在数字化变电站中,信息的采集、传输和处理都是以数字形式进行的,这不适用于模拟发电机定时装置(rtd)。它们在设计/重建中的系统中实现是不可能的。模拟同步器算法灵活性不足,可能导致超过电压和频率阈值时发生非同步切换。模拟同步器中的电压电路缺乏自诊断,可能会由于已经同步的另一台发电机的电路故障而导致非同步切换而导致故障或击穿。本文对微处理器中发电机同步功能进行了综述和实现。分析了发电机并网运行和并网运行的切换过程、精确同步函数的算法和提高同步精度的方法。研究了对精密同步装置的要求。所开发的精确同步功能已在EKRA 200系列发电机的自动同步装置中得到积极应用。
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引用次数: 0
Remote Control System of Industrial Robots and Visualization of Operations Performed 工业机器人远程控制系统及操作可视化
A. Malkarov, M. Arkhipov, V. Matrosova
The science of robotics is becoming more and more relevant for industrial production. The robotic production line is highly efficient in complex and routine operations. At the same time, there are difficulties in setting up industrial robots and controlling their functioning. The analysis of the existing robot control system was carried out and the main disadvantages were highlighted - the inconvenient interface for configuring the robot, the need to be near the production cell, the impossibility of remote connection to the robot, the impossibility of quickly changing the algorithm performed by the robot. Further, the development of a set of applications was carried out, the indicated problems are decisive. The software provides the ability to remotely control FANUC robots, convenient work with executable algorithms and convenient visualization.
机器人科学与工业生产的关系越来越密切。机器人生产线在复杂和常规的操作中效率很高。与此同时,在设置工业机器人和控制它们的功能方面也存在困难。对现有的机器人控制系统进行了分析,指出了其主要缺点:配置机器人的界面不方便,需要靠近生产单元,无法远程连接机器人,无法快速更改机器人执行的算法。此外,开发了一套应用程序,所指出的问题是决定性的。该软件提供了远程控制FANUC机器人的能力,方便地使用可执行算法和方便的可视化。
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引用次数: 0
Applying Machine Learning Methods for Power Plant Generation Time Series Forecasting 应用机器学习方法进行电厂发电时间序列预测
E. Shishkov, A. Pronichev
The paper highlights an approach to predicting the generation of a thermal power plant using machine learning methods. In the course of the work, features were generated based on electrical and date-time values, and modeling was carried out using two architectures of recurrent neural networks at the first stage and three-level ensembles of models were built based on linear regression and gradient boosting over decision trees at the second stage. The obtained quality metrics make it possible to judge the fundamental possibility of using the considered method for solving both this and related problems related to forecasting time series.
本文重点介绍了一种使用机器学习方法预测火力发电厂发电量的方法。在工作过程中,基于电和日期-时间值生成特征,在第一阶段使用两种递归神经网络架构进行建模,在第二阶段基于决策树的线性回归和梯度增强构建模型的三级集成。所获得的质量度量可以判断使用所考虑的方法来解决这个问题和与预测时间序列有关的相关问题的基本可能性。
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引用次数: 0
Using Transient Signal Parameters to Improve the Reliability of Traveling Wave Fault Localition 利用暂态信号参数提高行波故障定位的可靠性
R. Khuziashev, I. Kuzmin, Ildar Minaev
The aim of the work is to obtain additional information about the place of occurrence of traveling waves during switching in power lines from transient signal modal structure. The results of simulation of the transient signal by different reasons for switching are considered. The mechanism of formation of high-frequency and low-frequency mode oscillations is shown. It is shown that high-frequency mode oscillations are formed only with the interference of traveling waves penetrating through the switching point. It is shown that different transient signal mode structures are formed to the left and to the right of the switching point. The application of wavelet analysis to determine the period of mode oscillations is considered. The efficiency of wavelet analysis for determining the beginning of a transient signal is shown.
本工作的目的是从暂态信号模态结构中获得电力线切换过程中行波发生位置的附加信息。考虑了不同开关原因对暂态信号的仿真结果。给出了高频和低频模态振荡的形成机理。结果表明,只有在行波穿过开关点的干扰下才会形成高频模态振荡。结果表明,在开关点的左侧和右侧形成了不同的暂态信号模式结构。考虑了小波分析在确定模态振荡周期中的应用。证明了小波分析在确定暂态信号起始点方面的有效性。
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引用次数: 0
Study of Wire Sag and Temperature Influence of Power Lines on Reflectometry Signal Parameters 电力线垂度和温度对反射信号参数影响的研究
V. Kasimov, R. Minullin, Yuriy V. Piskovatskiy
The article studies the influence of temperature and sag of wires of overhead power lines on the change in attenuation and delay of the reflectometry signal. For the theoretical description of dependencies, the model of wave channels of signal propagation along multi-wire lines is used, as well as the equation of state of the wire, which describes the spatial position of the wire in the span. To simulate and mathematically model the effect of temperature and wire sag on the parameters of signal propagation along overhead power lines, PSCAD and Matlab software products were used. The results of simulation and mathematical modeling showed high convergence. The effect of wire temperature on the attenuation and delay of sounding signals of overhead power lines is described. The results of the study showed that with an increase in the temperature of the wires, they lengthen, sag and increase the resistance of the wires, which causes additional attenuation and delay of the reflectometry signal. The results obtained can be used to estimate the temperature and wire sag by changing the parameters of the reflectometric signal.
本文研究了架空电力线温度和导线垂度对反射信号衰减和延迟变化的影响。对于依赖关系的理论描述,使用了信号沿多导线传播的波通道模型,以及描述导线在跨度中的空间位置的导线状态方程。采用PSCAD软件和Matlab软件,对温度和导线垂度对架空输电线路信号传播参数的影响进行了仿真和数学建模。仿真和数学建模结果表明,该方法具有较高的收敛性。论述了导线温度对架空电力线探测信号衰减和延迟的影响。研究结果表明,随着导线温度的升高,导线变长、下垂,导线电阻增大,导致反射信号的额外衰减和延迟。所得结果可以通过改变反射信号的参数来估计温度和导线垂度。
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引用次数: 1
Reduction of Signal Overshooting Caused by Cutoff Frequency Changing in the Controlled Digital Butterworth Low Pass Filter 控制数字巴特沃斯低通滤波器中截止频率变化引起的信号超调
H. S. Mogheer, I. Turulin
Digital filters have been widely utilized in modern telecommunications systems, signal processing, and electronic systems applications Signals suffer from different disruption and noises in real life, using filter can eliminate these noises and ensure a clear signal. Sometimes a digital filter might experience a transient event which represented by an overshoot of the signal. This transient may, for example, be the result of changing the cutoff frequency during filter operation by changing its coefficients. In this paper we proposed a compensation technique to remove this overshoot using nth order digital Butterworth LPF filter. The proposed method demonstrates that we can eliminate an overshoot by using multiple filtering processes to the input signal to obtain a clear real signal with minimum to no disruption. By using the MATLAB program, the transient process resulting from the restructuring of the filter was investigated and the formulas were checked compensation of this transient process. It was found that the application of such compensation reduced the negative effects of the transition process. This decrease depends on the order of the filter, the adjustment coefficient (the ratio of cut frequencies before and after adjustment) and the moment of adjustment (for the periodic signal).
数字滤波器在现代通信系统、信号处理和电子系统应用中得到了广泛的应用,在现实生活中信号会受到不同的干扰和噪声,使用滤波器可以消除这些噪声,保证信号清晰。有时数字滤波器可能会经历一个瞬态事件,其表现为信号的超调。例如,这种暂态可能是在滤波器工作期间通过改变截止频率的系数来改变截止频率的结果。在本文中,我们提出了一种利用n阶数字巴特沃斯LPF滤波器来消除这种超调的补偿技术。所提出的方法表明,我们可以通过对输入信号使用多个滤波处理来消除超调,以获得最小或无干扰的清晰真实信号。利用MATLAB程序研究了由滤波器重构引起的暂态过程,并对该暂态过程的补偿公式进行了校核。研究发现,这种补偿的应用减少了过渡过程的负面影响。这种减少取决于滤波器的阶数、调整系数(调整前后切割频率的比率)和调整力矩(对于周期信号)。
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引用次数: 1
Formation of a Mechanism-Adaptive Setting Trajectory for the Movement of the Characteristic Point of an Industrial Robot Gripper 工业机器人夹持器特征点运动的机构自适应设定轨迹的形成
V. V. Fedotov, V. Rozhkov
The article considers the ways of solving a number of problems arising in the design of robotic systems. A version of interaction among various types of software products intended to solve complex problems of designing the mechanical section and the drive of a robot is proposed. Modernization of the vector control system of a frequency-controlled asynchronous electric drive for the implementation of a tracking system with a mechanism-adaptive trajectory for setting the end effector position is considered. The expediency of introducing neural network technologies to solve positioning problems in an electric drive is demonstrated. The static and dynamic accuracy of the developed servo electric drive is determined by computer simulation. The features of the behavior of the system with a decrease in the maximum rate of rise of the setting trajectory are characterized. The adaptability of the setting trajectory with a change in the object mass is shown. The practical significance of the developed model is clarified.
本文考虑了解决机器人系统设计中出现的一些问题的方法。提出了一种不同类型的软件产品之间的交互版本,旨在解决机器人机械部分设计和驱动的复杂问题。为实现具有机构自适应轨迹的末端执行器位置跟踪系统,对变频异步电驱动矢量控制系统进行了现代化改造。论证了引入神经网络技术解决电传动定位问题的方便性。通过计算机仿真,确定了所研制的伺服电驱动器的静、动态精度。分析了随坐封轨迹最大上升速率降低时系统的行为特征。给出了设定轨迹随物体质量变化的适应性。阐明了所建立模型的现实意义。
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引用次数: 0
期刊
2022 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM)
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