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Method of Construction of a Fuzzy Cognitive Map of the Competitiveness of a Machine-Building Enterprise 构建机械制造企业竞争力模糊认知图的方法
I. A. Buinevich, Y. A. Kriushina, Y. A. Khalin, A. I. Katykhin, Е. А. Kriushin
The purpose of research is to evaluate the factors influencing the competitiveness of machine-building enterprises and to develop a methodology for fuzzy cognitive mapping (FCM) to analyze these factors.Methods. Data analysis and modeling methods, including FCM, were used in this study to formalize the relationships between factors and their influence on the competitiveness of machine-building enterprises. Data related to factors affecting competitiveness, such as technological level, product quality, price level, innovation potential, and managerial experience, were analyzed.Results. The study resulted in the development of an FCM methodology to analyze the relationships between factors and their influence on the competitiveness of machine-building enterprises. The factors influencing competitiveness, including technological level, product quality, price level, innovation potential, and managerial experience, were evaluated. Key factors with the greatest impact on competitiveness were identified, and the degrees of influence of each factor on competitiveness were established using a scale to formalize the strength of influence.Conclusion. The results of the study demonstrate that the FCM method is an effective tool for analyzing the competitiveness of machine-building enterprises. It allows for uncertainty and vagueness in the input data and provides a better understanding of the relationships between conceptual variables. The developed FCM methodology can be used to make informed decisions to improve enterprise competitiveness. Overall, the study confirms the importance of analyzing factors influencing competitiveness and demonstrates that FCM can help to represent a complex system and its relationships in a more visual and understandable form. This can be useful for enterprise management in making informed decisions to improve company competitiveness and increase market share.
研究目的是评估影响机械制造企业竞争力的因素,并开发一种模糊认知图法(FCM)来分析这些因素。本研究采用数据分析和建模方法,包括模糊认知图法,以正式确定各因素之间的关系及其对机械制造企业竞争力的影响。对影响竞争力的因素,如技术水平、产品质量、价格水平、创新潜力和管理经验等相关数据进行了分析。该研究开发了一种 FCM 方法,用于分析各因素之间的关系及其对机械制造企业竞争力的影响。评价了影响竞争力的因素,包括技术水平、产品质量、价格水平、创新潜力和管理经验。确定了对竞争力影响最大的关键因素,并使用量表确定了各因素对竞争力的影响程度。研究结果表明,FCM 方法是分析机械制造企业竞争力的有效工具。它允许输入数据的不确定性和模糊性,并能更好地理解概念变量之间的关系。所开发的 FCM 方法可用于做出明智决策,以提高企业竞争力。总之,这项研究证实了分析影响竞争力的因素的重要性,并表明,FCM 有助于以更直观、更易理解的形式表现复杂的系统及其关系。这有助于企业管理层做出明智决策,提高公司竞争力,扩大市场份额。
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引用次数: 0
Formalized Information Description for a Medical Expert System 医疗专家系统的正式信息描述
S. A. Nesterovich, А. N. Brezhneva, S. A. Zyryanova
The purpose of research. The information description of the patient's health status is based on quantitative parameters and qualitative signs. It is proposed to formalize quantitative and qualitative information about the patient's state of health in order to use this information to build a medical expert system. The expert system built on the basis of this information will be able to make a more accurate diagnosis, which will reduce the time for diagnosis and ultimately increase the effectiveness of treatment.Methods. On the basis of a formalized information description of the state of health of patients, it is possible to construct classes of states: the class of the current state (at the moment), the class of the reference (healthy) state of health of the patient. In the future, it is possible to build classes of patients' health conditions taking into account age and a number of features of diseases, for example, taking into account the area in which the patient lives, etc. In the future, these classes can be implemented in a medical expert system.Results. As a result, a formalized information model of describing the patient's health status based on quantitative parameters and qualitative signs has been built, which can be the basis for a database and knowledge base of a medical expert diagnostic system.Conclusion. As a result, a formalized description of the patient's state of health is proposed. For implementation, it is necessary to provide for the possibility of constructing a separate heuristic algorithm for the diagnosis of the disease, which will be associated with the reproduction in the form of operations of the process of developing a logical structure when reasoning by an expert (doctor) during the treatment of a patient.
研究目的。病人健康状况的信息描述基于定量参数和定性体征。建议将病人健康状况的定量和定性信息形式化,以便利用这些信息构建医疗专家系统。根据这些信息建立的专家系统将能做出更准确的诊断,从而缩短诊断时间,最终提高治疗效果。在对病人健康状况进行正规化信息描述的基础上,可以构建状态类别:病人当前(目前)健康状况类别、参考(健康)健康状况类别。今后,还可以根据年龄和疾病的一些特征(例如,考虑到病人居住的地区等)来构建病人健康状况的类别。将来,这些类别可以在医疗专家系统中实现。结果是建立了一个基于定量参数和定性体征描述病人健康状况的正规化信息模型,该模型可作为医疗专家诊断系统数据库和知识库的基础。因此,提出了对病人健康状况的正规化描述。为便于实施,有必要提供构建单独的疾病诊断启发式算法的可能性,该算法将与专家(医生)在治疗病人期间进行推理时建立逻辑结构过程的操作形式再现相关联。
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引用次数: 0
Using Metaprogramming Tools of the Common Lisp Language for the Development of Emulator Systems 使用通用 Lisp 语言的元编程工具开发仿真器系统
А. А. Chaplygin
The purpose of research is to analyze and use metaprogramming in the Common Lisp language when designing and implementing emulators that simulate computer system hardware. The metaprogramming, the macro tools of the Common Lisp language and the use of macros for metaprogramming are considered.Methods. The Lisp language is characterized by its use of uniform S-expressions to represent data and programs. Thus, data can be part of a program and vice versa: a program can be data. Common Lisp macro tools allow you to directly modify the abstract syntax tree of a program, and thus it is possible to create new syntactic constructs to solve a given problem. When implementing emulator functions, macro tools of the Common Lisp language can be used to generate functions, where the common part of the functions is included in the macro, and the differences between the functions are specified in the parameters when calling the macros. Examples of this macros are: bit status register macros, generation of ariphmetic commands, comparation commands, memory commands. Using that you can significantly reduce the size of the program.Results. As a result of computer modeling, a simulator of the NES architecture (MOS 6502 processor) was developed and implemented in the conventional object-orientied C# programming language and in the Common Lisp metaprogramming language. As a result, the simulator written in a language with metaprogramming support turned out to be more than 2 times smaller than the simulator written in C#.Conclusion. The use of metaprogramming (using the example of creating emulators) can significantly reduce the size of a program, simplify and improve the program architecture, reduce the number of errors and improve the quality of programs. The use of domain specific languages lets reduce code size even more.
研究目的是在设计和实施模拟计算机系统硬件的仿真器时,分析和使用 Common Lisp 语言中的元编程。研究考虑了元编程、Common Lisp 语言的宏工具以及宏在元编程中的使用。Lisp 语言的特点是使用统一的 S 表达式来表示数据和程序。因此,数据可以是程序的一部分,反之亦然:程序可以是数据。常用的 Lisp 宏工具可以直接修改程序的抽象语法树,因此可以创建新的语法结构来解决给定的问题。在实现仿真器函数时,可以使用 Common Lisp 语言的宏工具来生成函数,函数的共同部分包含在宏中,函数之间的差异则在调用宏时在参数中指定。这种宏的例子有:位状态寄存器宏、生成非线性命令、比较命令和内存命令。使用这些宏可以大大减少程序的大小。作为计算机建模的结果,开发了一个 NES 架构(MOS 6502 处理器)模拟器,并用传统的面向对象的 C# 编程语言和 Common Lisp 元编程语言实现了该模拟器。结果,用支持元编程的语言编写的模拟器比用 C# 语言编写的模拟器小 2 倍多。使用元编程(以创建模拟器为例)可以大大缩小程序的规模,简化和改进程序结构,减少错误数量,提高程序质量。使用特定领域语言可以进一步减少代码量。
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引用次数: 0
Correlations and Algorithmization of Cytokine Status Analysis of Patients with Coronary Heart Disease in the Early Recovery Period After COVID-19 COVID-19 后早期恢复期冠心病患者细胞因子状态分析的相关性和算法分析
V. A. Negrebetskiy, S. N. Gontarev, V. A. Ivanov
The purpose of research is study of correlations and algorithmization of cytokine status analysis of patients with coronary heart disease in the early recovery period after COVID-19.Methods. Cytokine status was studied in 40 patients with coronary heart disease 3-4 weeks after recovery from COVID19. The control consisted of 38 patients with coronary heart disease without COVID-19. The level of cytokines in the blood was determined on the device "Becton Dickinson FACS Canto 2 (USA)". Correlation and regression analysis were used in statistical analysis.Results. Reliable moderate correlations were established between IL-6 and IL-2, IL-3, respectively, r = 0,35 and r = 0,33; IL-17 with IL-2 and IL-6 – r = 0,28 and r = 0,63, respectively; TNF-α and IFN-γ with IL-6 – r = 0,42 and r = 0,39. At the same time, the greatest association, according to the values of the correlation coefficients, among the studied interleukins in patients with coronary heart disease during the convalescence period is characteristic of IL-6. However, IL-17 also had a significant number of correlations with the cytokines under consideration. All this indicates a high association of IL-6, IL-17 and IFN-γ with other cytokines during the recovery period of patients with coronary heart disease after COVID-19 and their priority participation in the development and recovery of these patients. To identify the most informative blood cytokines, an algorithm for analyzing the cytokine status has been developed, which provides for the development of uncorrected and adjusted mathematical models by gender and age of patients with coronary heart disease who have undergone COVID-19. It was found that the greatest effect on recovery 3-4 weeks after COVID-19 in patients with coronary heart disease has the level of IL-17 in the blood (OR = 1,792, p = 0,0021) in an uncorrected and adjusted by gender and age model (OR = 1,708, p = 0,0012).Conclusion. The established correlations, algorithms and models created are proposed to be used in assessing thedynamics of recovery of patients with coronary heart disease after COVID-19.
研究目的是研究 COVID-19 后早期恢复期冠心病患者细胞因子状态分析的相关性和算法。对 40 名冠心病患者在 COVID-19 后 3-4 周恢复期的细胞因子状态进行了研究。对照组包括 38 名未服用 COVID-19 的冠心病患者。血液中细胞因子的水平通过 "Becton Dickinson FACS Canto 2(美国)"设备测定。统计分析采用了相关分析和回归分析。IL-6与IL-2、IL-3之间建立了可靠的中度相关性,分别为r = 0.35和r = 0.33;IL-17与IL-2和IL-6之间的相关性分别为r = 0.28和r = 0.63;TNF-α和IFN-γ与IL-6之间的相关性分别为r = 0.42和r = 0.39。同时,根据相关系数值,在冠心病患者康复期的白细胞介素中,IL-6 的相关性最大。不过,IL-17 与所研究的细胞因子也有大量相关性。所有这些都表明,IL-6、IL-17 和 IFN-γ 与 COVID-19 后冠心病患者康复期的其他细胞因子高度相关,它们优先参与了这些患者的发展和康复。为了确定最有参考价值的血液细胞因子,我们开发了一种分析细胞因子状态的算法,该算法可根据接受 COVID-19 治疗的冠心病患者的性别和年龄,建立未经校正和调整的数学模型。研究发现,在未校正和按性别和年龄调整的模型中(OR = 1,708, p = 0,0012),血液中 IL-17 的水平对冠心病患者 COVID-19 后 3-4 周的恢复影响最大(OR = 1,792, p = 0,0021)。建议将已建立的相关性、算法和模型用于评估 COVID-19 后冠心病患者的恢复动态。
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引用次数: 0
Quantitative Assessment of the Body's Defense Mechanisms by the Energy Imbalance of Meridian Structures 通过经络结构的能量失衡对人体防御机制进行量化评估
N. A. Korenevsky, L. V. Shulga, S. N. Rodionova, А. Y. Rybakov, К. V. Razumova
The purpose of research is to improve the quality of predicting and diagnosing diseases caused by the action of heterogeneous risk factors by using the estimated characteristics of the body's protection level, determined by the energy characteristics of biologically active points that form the basis of the corresponding meridian structures.Methods. Explores the issues of using indicators characterizing the energy characteristics of meridian structures for a quantitative assessment of the level of protection of the body from the effects of many diverse environmental factors. Since the indicators under study have a pronounced fuzzy nature, the methodology for synthesizing hybrid fuzzy decision rules was chosen as the basic mathematical apparatus.Results. The paper shows that for a quantitative assessment of the level of protection of the body at its various levels (organism, system, organ), it is advisable to use the imbalance of the electrical resistance of the corresponding biologically active points from their nominal values, determined under normal conditions and after a dosed load, as the energy characteristics of the meridian structures. A method for assessing the level of protection by the energy imbalance of the meridian structures of the body is proposed, which differs in that the energy imbalance of the meridian structures for the selected level of research in combination with the load energy imbalance is used as the basic variable functions of the protection level (PLF), which allows assessing the level of protection of the body as a whole, as well as its systems and organs with an accuracy acceptable for medical practice. The ways of embedding FUS in predictive and diagnostic decision rules are shown.Conclusion. In the course of the studies, it was shown that in order to improve the quality indicators of forecasting and diagnosing socially significant and occupational diseases, it is advisable to use indicators of the level of body protection determined by the energy imbalance of meridian structures. It is shown that the quality of decision-making with the use of FLS increases by 10–20% depending on the type of tasks being solved and the completeness of the collected data compared to traditionally obtained models.
研究的目的是利用由构成相应经络结构基础的生物活性点的能量特征所决定的人体保护水平的估计特征,提高预测和诊断由异质风险因素作用引起的疾病的质量。探讨了利用表征经络结构能量特征的指标对人体免受多种环境因素影响的程度进行定量评估的问题。由于所研究的指标具有明显的模糊性,因此选择了综合混合模糊决策规则的方法作为基本数学工具。论文表明,为了定量评估人体各层次(机体、系统、器官)的保护水平,最好使用相应生物活性点的电阻值与标称值的不平衡作为经络结构的能量特征,这些电阻值是在正常情况下和剂量负荷后确定的。提出了一种通过人体经络结构的能量失衡来评估保护水平的方法,其不同之处在于将选定研究水平的经络结构能量失衡与负荷能量失衡相结合,作为保护水平(PLF)的基本变量函数,从而能够以医疗实践可接受的精度评估人体整体及其系统和器官的保护水平。结论。研究表明,为了提高预测和诊断社会重大疾病和职业病的质量指标,最好使用由经络结构能量失衡决定的人体保护水平指标。研究表明,与传统获得的模型相比,使用 FLS 的决策质量可提高 10-20%,这取决于所解决任务的类型和所收集数据的完整性。
{"title":"Quantitative Assessment of the Body's Defense Mechanisms by the Energy Imbalance of Meridian Structures","authors":"N. A. Korenevsky, L. V. Shulga, S. N. Rodionova, А. Y. Rybakov, К. V. Razumova","doi":"10.21869/2223-1536-2023-13-3-82-101","DOIUrl":"https://doi.org/10.21869/2223-1536-2023-13-3-82-101","url":null,"abstract":"The purpose of research is to improve the quality of predicting and diagnosing diseases caused by the action of heterogeneous risk factors by using the estimated characteristics of the body's protection level, determined by the energy characteristics of biologically active points that form the basis of the corresponding meridian structures.Methods. Explores the issues of using indicators characterizing the energy characteristics of meridian structures for a quantitative assessment of the level of protection of the body from the effects of many diverse environmental factors. Since the indicators under study have a pronounced fuzzy nature, the methodology for synthesizing hybrid fuzzy decision rules was chosen as the basic mathematical apparatus.Results. The paper shows that for a quantitative assessment of the level of protection of the body at its various levels (organism, system, organ), it is advisable to use the imbalance of the electrical resistance of the corresponding biologically active points from their nominal values, determined under normal conditions and after a dosed load, as the energy characteristics of the meridian structures. A method for assessing the level of protection by the energy imbalance of the meridian structures of the body is proposed, which differs in that the energy imbalance of the meridian structures for the selected level of research in combination with the load energy imbalance is used as the basic variable functions of the protection level (PLF), which allows assessing the level of protection of the body as a whole, as well as its systems and organs with an accuracy acceptable for medical practice. The ways of embedding FUS in predictive and diagnostic decision rules are shown.Conclusion. In the course of the studies, it was shown that in order to improve the quality indicators of forecasting and diagnosing socially significant and occupational diseases, it is advisable to use indicators of the level of body protection determined by the energy imbalance of meridian structures. It is shown that the quality of decision-making with the use of FLS increases by 10–20% depending on the type of tasks being solved and the completeness of the collected data compared to traditionally obtained models.","PeriodicalId":166124,"journal":{"name":"Proceedings of the Southwest State University. Series: IT Management, Computer Science, Computer Engineering. Medical Equipment Engineering","volume":"14 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139592787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Model of Forming a Dynamic Structure for Establishing the Source of Messages in the Receiver's Memory 在接收者记忆中建立信息来源的动态结构模型
А. A. Chesnokova
The purpose of research is increasing the speed of procedures for determining the data source in the block coupling mode, due to the analysis of the dynamic list structure of messages formed in the receiver's memory as a result of intermediate calculations.Methods. The model of forming a dynamic list structure is based on the hardware implementation of the method of limiting the set of data blocks processed by the receiver. The data package includes a special service word, the contents of which are checked for falling into the range of values formed by the receiver when each data block is received. The described restriction reduces the number of typical comparison operations of service words performed when determining the source of messages, and also reduces the likelihood of errors in determining the data source.Results. Based on the model of the formation of a dynamic tree-like list structure, distributions of a priori probabilities of the number of nodes of a certain level are obtained in case of errors in determining the data source and without them. This allows us to obtain significant a posteriori error probabilities depending on the observed number of nodes of a certain level. The criteria for making a decision on the error of determining the source based on the calculation of the number of nodes before the complete completion of the formation of the tree structure and before the stage of its analysis are formulated. This reduces the computational complexity of the procedure for determining the data source in the block coupling mode and reduces the memory costs for storing intermediate results.Conclusion. In the course of the study, it was revealed that for sequences of messages with a length of more than 20, the detection of more than 8 extraneous branches of the dynamic list structure being formed allows us to state with a 90% probability that the procedure for determining the source ended in an error. The refusal to transmit subsequent sequence messages and to perform processing operations of the tree structure allows to increase the speed of the procedure for determining the source of messages and reduce its computational complexity.
研究的目的是通过分析接收器内存中经过中间计算形成的报文动态列表结构,提高在块耦合模式下确定数据源的程序速度。形成动态列表结构的模型是基于硬件实现限制接收器处理的数据块集的方法。数据包包括一个特殊的服务字,在接收每个数据块时,都要检查其内容是否属于接收器形成的值范围。所述限制减少了确定信息来源时对服务字进行典型比较操作的次数,也降低了确定数据来源时出错的可能性。根据动态树状列表结构的形成模型,在确定数据源时出错和不出错的情况下,都能获得某一级别节点数量的先验概率分布。这样,我们就可以根据观测到的某一级节点数量,获得重要的后验错误概率。在完全完成树形结构的形成之前和分析阶段之前,根据节点数的计算,制定了确定来源错误的判定标准。这降低了块耦合模式下确定数据源程序的计算复杂性,并减少了存储中间结果的内存成本。在研究过程中,我们发现,对于长度超过 20 的报文序列,如果检测到正在形成的动态列表结构中有超过 8 个无关分支,我们就能以 90% 的概率指出,确定来源的程序以错误告终。拒绝传输后续序列报文和对树形结构进行处理操作,可以提高确定报文来源程序的速度,并降低其计算复杂性。
{"title":"A Model of Forming a Dynamic Structure for Establishing the Source of Messages in the Receiver's Memory","authors":"А. A. Chesnokova","doi":"10.21869/2223-1536-2023-13-3-122-134","DOIUrl":"https://doi.org/10.21869/2223-1536-2023-13-3-122-134","url":null,"abstract":"The purpose of research is increasing the speed of procedures for determining the data source in the block coupling mode, due to the analysis of the dynamic list structure of messages formed in the receiver's memory as a result of intermediate calculations.Methods. The model of forming a dynamic list structure is based on the hardware implementation of the method of limiting the set of data blocks processed by the receiver. The data package includes a special service word, the contents of which are checked for falling into the range of values formed by the receiver when each data block is received. The described restriction reduces the number of typical comparison operations of service words performed when determining the source of messages, and also reduces the likelihood of errors in determining the data source.Results. Based on the model of the formation of a dynamic tree-like list structure, distributions of a priori probabilities of the number of nodes of a certain level are obtained in case of errors in determining the data source and without them. This allows us to obtain significant a posteriori error probabilities depending on the observed number of nodes of a certain level. The criteria for making a decision on the error of determining the source based on the calculation of the number of nodes before the complete completion of the formation of the tree structure and before the stage of its analysis are formulated. This reduces the computational complexity of the procedure for determining the data source in the block coupling mode and reduces the memory costs for storing intermediate results.Conclusion. In the course of the study, it was revealed that for sequences of messages with a length of more than 20, the detection of more than 8 extraneous branches of the dynamic list structure being formed allows us to state with a 90% probability that the procedure for determining the source ended in an error. The refusal to transmit subsequent sequence messages and to perform processing operations of the tree structure allows to increase the speed of the procedure for determining the source of messages and reduce its computational complexity.","PeriodicalId":166124,"journal":{"name":"Proceedings of the Southwest State University. Series: IT Management, Computer Science, Computer Engineering. Medical Equipment Engineering","volume":"144 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140492608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hybrid Method for Controlling Muscle Fatigue in the Robotic System 控制机器人系统肌肉疲劳的混合方法
A. A. Kuzmin, R. A. Tomakova, Е. V. Petrunina, D. А. Ermakov, S. Kadyrova
The purpose of research is development of a method for controlling muscle fatigue in robotic devices operating in a combined mode.Methods. To calculate the exogenous moment of forces of a robotic device, a surface electromyosignal decoder is proposed, which takes into account the effect of the operator's muscle fatigue. By decoding the electromyosignal, the assisting torque on the servomotors of the robotic device is determined. When calculating the assisting moment, the degree of muscle fatigue is taken into account. The method for assessing muscle fatigue consists in assessing the indicator of synchronism of electromyosignals on synergistic muscles and is based on a hybrid approach to the formation of a decision-making module. The first decision-making module is built on the basis of a neural network classifier, the descriptors for which are formed based on the analysis of the spectra of electromyosignals of synergistic muscles. The second decision module includes two synergy channels per electromyographic channel. The first synergy channel is obtained by amplitude demodulation of the electromyosignal, and the second - by its frequency demodulation. As a result, we obtain two muscle fatigue classifiers, the solutions of which are integrated by the aggregator.Results. Experimental studies of the dependence of the electromyosignal on the magnitude of muscle effort and its duration were carried out, which showed that the relative change in the average RMS index under static load can serve as an objective indicator of the degree of muscle fatigue.Conclusion. The developed method makes it possible to control the mechanical moments on the servomotors of a robotic device adequately to the test muscle load and the functional state of the user's muscles. The method allows for individual adjustment of the neural network classifier block and the fuzzy inference block with subsequent aggregation of their solutions and thus optimize the combined operation mode of the robotic device.
研究目的是开发一种方法,用于控制以组合模式运行的机器人设备的肌肉疲劳。为了计算机器人装置的外力力矩,提出了一种表面肌电信号解码器,该解码器考虑了操作员肌肉疲劳的影响。通过解码肌电信号,可以确定机器人装置伺服电机的辅助力矩。在计算辅助力矩时,要考虑到肌肉疲劳程度。评估肌肉疲劳的方法包括评估协同肌肉上肌电信号的同步性指标,并基于混合方法形成决策模块。第一个决策模块是在神经网络分类器的基础上建立的,其描述符是在分析协同肌肉肌电信号频谱的基础上形成的。第二个决策模块包括每个肌电通道的两个协同通道。第一个协同通道通过肌电信号的振幅解调获得,第二个协同通道通过频率解调获得。因此,我们获得了两个肌肉疲劳分类器,其解决方案由聚合器整合。实验研究了肌电信号对肌肉用力程度和持续时间的依赖性,结果表明,静态负荷下平均有效值指数的相对变化可作为肌肉疲劳程度的客观指标。所开发的方法可以根据测试肌肉负荷和使用者肌肉的功能状态,适当控制机器人设备伺服电机上的机械力矩。该方法允许对神经网络分类器和模糊推理块进行单独调整,然后汇总它们的解决方案,从而优化机器人设备的综合运行模式。
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引用次数: 0
Synthesis of Models for Predicting and Diagnosing Occupational Diseases Based on Hybrid Fuzzy Technology 基于混合模糊技术的职业病预测和诊断模型综述
R. I. Safronov, K. V. Razumova, А. Y. Rybakov, А. V. Lyakh
The purpose of research is to develop a method for synthesizing models for predicting and diagnosing occupational diseases based on hybrid fuzzy technology, providing an increase in the quality of decision-making in occupational pathology.Methods. It is established that most of the problems related to the topic under study (forecasting, early diagnosis, assessment of the severity and dynamics of the development of professional diseases) belong to the class of poorly formalized problems with fuzzy and incomplete data structure, which are recommended to be solved using the methodology of synthesis of hybrid fuzzy solving rules based on on the interaction of the natural intelligence of doctors and a cognitive engineer with artificial hybrid intelligence. Using the chosen mathematical apparatus, a method for the synthesis of fuzzy models of forecasting and diagnosis of occupational diseases is proposed.Results. As a concrete example, the problem of predicting and diagnosing ischemic heart disease (CHD) in electric train drivers has been solved with the allocation of such classes of conditions as: "healthy and the appearance of CHD is not expected"; "healthy, but the appearance of CHD is expected after the predicted time"; "early stage of CHD"; "CHD disease has been detected". As a result of expert evaluation, it was shown that the confidence in the correct classification is at the level of 0.9. The same result was confirmed by the results of statistical tests on representative control samples in terms of diagnostic sensitivity and specificity.Conclusion. The proposed method of synthesis of hybrid fuzzy models makes it possible to synthesize hybrid decision rules that improve the quality of prediction and early diagnosis of the studied class of diseases both in the presence of training samples and in their absence by compensating for the lack of statistical material by methods of formalization of clinical thinking. As a concrete example, the problem of predicting and diagnosing ischemic heart disease in electric train drivers has been solved. It is shown that the confidence in the correct classification is at the level of 0.9, which allows us to recommend the results obtained for practical use in occupational pathology.
研究的目的是开发一种基于混合模糊技术的职业病预测和诊断模型的综合方法,从而提高职业病学决策的质量。研究发现,与研究主题相关的大多数问题(职业病的预测、早期诊断、严重程度评估和发展动态)都属于形式化程度低、数据结构模糊且不完整的问题,建议使用基于医生自然智能和认知工程师与人工混合智能交互的混合模糊求解规则合成方法来解决。利用所选择的数学工具,提出了职业病预测和诊断模糊模型的合成方法。作为一个具体例子,通过分配以下条件类别,解决了电动火车司机缺血性心脏病(CHD)的预测和诊断问题:"健康,预计不会出现缺血性心脏病";"健康,但预计会在预测时间后出现缺血性心脏病";"缺血性心脏病早期";"已发现缺血性心脏病"。专家评估结果表明,正确分类的置信度为 0.9。对具有代表性的对照样本进行的诊断灵敏度和特异性统计检验结果也证实了这一结果。所提出的混合模糊模型合成方法可以合成混合决策规则,从而在有训练样本和没有训练样本的情况下,通过临床思维形式化方法弥补统计资料的不足,提高所研究疾病类别的预测和早期诊断质量。一个具体的例子是,对电动火车司机缺血性心脏病的预测和诊断问题已经得到解决。结果表明,正确分类的置信度为 0.9,这使我们可以建议将所获得的结果用于职业病理学的实际应用。
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引用次数: 0
A Two-Stage Mathematical Model for Evaluating the Modes of Forced Vibrations of an Aircraft Skin Element with the Use of Fiber-Optic Technologies 利用光纤技术评估飞机蒙皮元件受迫振动模式的两阶段数学模型
I. I. Sizonov, A. Barabushka, I. E. Mukhin
The purpose of research is development of a mathematical model of vibration vibrations of an aircraft skin element made in the form of a plate with a two-stage transformation "vibration load parameters – deformation of the plate - change in the wavelength of the optical signal" in order to take into account the number of loading cycles and their characteristics, accumulated fatigue deformation of the plate and its life before the critical state in order to optimize planned repairs and reducing the risks of unpredictable failures associated with fatigue phenomena in the skin material and supporting structures of the aircraft.Methods. The described mathematical model uses the parameters of a harmonic vibration signal as input data and includes a two-stage transformation, firstly, of the parameters of the vibration signal (frequency, amplitude) into the amplitude of the vibration vibrations of the aircraft skin element made in the form of a plate, secondly, the amplitude of the vibrations of the plate in question into a change in the wavelength of the optical signal, the presence of which is caused by the use of fiber-optic technologies that are promising for the construction of modern systems for monitoring and diagnostics of aircraft.Results. The proposed mathematical model allows calculating and analytical methods to estimate the amplitude of forced vibration vibrations of the aircraft skin element, which causes the absence of plate resource consumption due to the effects of loading cycles (there is only natural aging of the material), plate resource consumption in elastic deformation mode, accumulation of fatigue deformation of the sample. The method of evaluating the plate for the resonant effect is given, which indirectly affects the processes of designing the elements of the aircraft skin in terms of weight and size indicators, which largely determine the frequency of natural vibrations of the plate. The resulting deformation of the plate is expressed in a change in the wavelength of the light beam for detection and analysis by the control and diagnostic system of the aircraft, made on the basis of fiber-optic technologies.Conclusion. The proposed mathematical model is designed to assess the residual life of a specific element of the aircraft skin, involves subsequent software modeling to confirm the correctness or refinement of the resulting calculation algorithm.
研究目的是通过 "振动载荷参数--板的变形--光信号波长的变化 "两阶段变换,建立飞机蒙皮元件振动的数学模型,以便在临界状态前考虑载荷循环次数及其特征、板的累积疲劳变形及其寿命,从而优化计划维修,降低飞机蒙皮材料和支撑结构中与疲劳现象相关的不可预测故障的风险。所述数学模型使用谐波振动信号的参数作为输入数据,包括两个阶段的转换:首先,将振动信号的参数(频率、振幅)转换为飞机蒙皮元件的振动振幅;其次,将相关蒙皮元件的振动振幅转换为光信号波长的变化,波长的变化是由光纤技术的使用引起的,而光纤技术在构建现代飞机监测和诊断系统方面大有可为。根据所提出的数学模型,可以通过计算和分析方法估算飞机蒙皮元件的受力振动振幅,从而避免因加载周期(仅存在材料的自然老化)、弹性变形模式下的板材资源消耗、试样疲劳变形的累积而造成的板材资源消耗。给出了评估板材共振效应的方法,这间接影响了飞机蒙皮构件重量和尺寸指标的设计过程,这些指标在很大程度上决定了板材的自然振动频率。由此产生的钢板变形表现为光束波长的变化,以便飞机的控制和诊断系统在光纤技术的基础上进行检测和分析。所提出的数学模型旨在评估飞机蒙皮特定元件的剩余寿命,涉及后续软件建模,以确认计算算法的正确性或完善性。
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引用次数: 0
Intelligent System for Providing Migration Through Dynamic Data Deserialization 通过动态数据反序列化提供迁移的智能系统
R. A. Tomakova, D. V. Ivanov, N. A. Korsunsky
The purpose of research. Timely provision of data transfer between information systems allows you to quickly exchange resources. However, applications may have different data formats and structures. Therefore, the aim of the research was to develop models, methods and algorithms for a system of asynchronous deserialization of a data string, providing an increase in the efficiency of determining data models by generating strongly typed objects.Methods. The way to deserialize models from data involves line-by-line decomposition of a JSON-file line with the definition of key-value types and their correlation with the data model: character, string, number, boolean value. After that, the web controller conducts asynchronous generation of the class and its objects. To classify string values, serialized string value classifiers are used. For asynchronous generation of objects, a system of “contracts” of models and algorithms for executing and converting these models are used.Results. The deserializer consists of a system of four model analysis controllers and a value generation algorithm. A simple single model deserialization model allows the model to be mapped to relational database table headers to enable model migration between systems. The generated objects are represented by static data types, which ensures that they can be written to any DBMS system using built-in tools. A complex model represents a block of values as a system of different models. Software has been developed for connecting source and target databases, which allows you to migrate data from the created models. Generated values are represented as full-fledged objects and can be used to create a web interface for applications, edit data models, and manage the model system.Conclusion. Experimental studies on deserialization of models from a JSON string containing complex model classes showed an average accuracy of determining the data type of models in 92% of cases, in particular when determining the types of values "character" and "string". The created models are presented in the form of a data table and can be used to ensure the migration of these models.
研究的目的。在信息系统之间及时提供数据传输,可以快速交换资源。然而,应用程序可能有不同的数据格式和结构。因此,研究的目的是为数据字符串的异步反序列化系统开发模型、方法和算法,通过生成强类型对象来提高确定数据模型的效率。从数据反序列化模型的方法包括逐行分解 JSON 文件行,定义键值类型及其与数据模型的相关性:字符、字符串、数字、布尔值。然后,网络控制器异步生成类及其对象。要对字符串值进行分类,需要使用序列化字符串值分类器。为了异步生成对象,使用了模型 "合约 "系统以及执行和转换这些模型的算法。反序列化器包括一个由四个模型分析控制器和一个值生成算法组成的系统。简单的单一模型反序列化模型可将模型映射到关系数据库表头,从而实现系统间的模型迁移。生成的对象由静态数据类型表示,这确保它们可以使用内置工具写入任何数据库管理系统。复杂模型将一个数值块表示为一个由不同模型组成的系统。已开发出用于连接源数据库和目标数据库的软件,可以从创建的模型中迁移数据。生成的值表示为成熟的对象,可用于创建应用程序的网络接口、编辑数据模型和管理模型系统。对包含复杂模型类的 JSON 字符串进行模型反序列化的实验研究表明,在 92% 的情况下,确定模型数据类型的平均准确率很高,尤其是在确定值类型为 "字符 "和 "字符串 "时。创建的模型以数据表的形式呈现,可用于确保这些模型的迁移。
{"title":"Intelligent System for Providing Migration Through Dynamic Data Deserialization","authors":"R. A. Tomakova, D. V. Ivanov, N. A. Korsunsky","doi":"10.21869/2223-1536-2023-13-3-31-51","DOIUrl":"https://doi.org/10.21869/2223-1536-2023-13-3-31-51","url":null,"abstract":"The purpose of research. Timely provision of data transfer between information systems allows you to quickly exchange resources. However, applications may have different data formats and structures. Therefore, the aim of the research was to develop models, methods and algorithms for a system of asynchronous deserialization of a data string, providing an increase in the efficiency of determining data models by generating strongly typed objects.Methods. The way to deserialize models from data involves line-by-line decomposition of a JSON-file line with the definition of key-value types and their correlation with the data model: character, string, number, boolean value. After that, the web controller conducts asynchronous generation of the class and its objects. To classify string values, serialized string value classifiers are used. For asynchronous generation of objects, a system of “contracts” of models and algorithms for executing and converting these models are used.Results. The deserializer consists of a system of four model analysis controllers and a value generation algorithm. A simple single model deserialization model allows the model to be mapped to relational database table headers to enable model migration between systems. The generated objects are represented by static data types, which ensures that they can be written to any DBMS system using built-in tools. A complex model represents a block of values as a system of different models. Software has been developed for connecting source and target databases, which allows you to migrate data from the created models. Generated values are represented as full-fledged objects and can be used to create a web interface for applications, edit data models, and manage the model system.Conclusion. Experimental studies on deserialization of models from a JSON string containing complex model classes showed an average accuracy of determining the data type of models in 92% of cases, in particular when determining the types of values \"character\" and \"string\". The created models are presented in the form of a data table and can be used to ensure the migration of these models.","PeriodicalId":166124,"journal":{"name":"Proceedings of the Southwest State University. Series: IT Management, Computer Science, Computer Engineering. Medical Equipment Engineering","volume":"4 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139593028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Proceedings of the Southwest State University. Series: IT Management, Computer Science, Computer Engineering. Medical Equipment Engineering
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