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2023 International Conference on Recent Advances in Electrical, Electronics & Digital Healthcare Technologies (REEDCON)最新文献

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On the Automatic Detection of Comorbidity of Mental Disorders Using Audio-Visual Data 基于视听数据的精神障碍共病自动检测研究
Rohan kumar Gupta, R. Sinha
It is reported that a patient with a mental disorder may develop other mental disorders over time. The condition of the simultaneous existence of multiple disorders is referred to as comorbidity. The treatment for a mental disorder is required to be modulated in the case of comorbidity. Thus, the detection of comorbidity is necessary. The comorbidity between major depressive disorder (MDD) and post-traumatic stress disorder (PTSD) is well investigated through several modalities, which are either intrusive or costly. Recently, the audio-video modality has been explored to detect several mental disorders for being non-intrusive and cost-effective. The comorbidity detection between MDD and PTSD on audio-video modality is yet to be reported. In this study, we present initial work on the detection of comorbidity between MDD and PTSD on a publicly available audio-video dataset. To detect MDD/PTSD comorbidity separately, we created two overlapping subsets of the dataset comprising participants diagnosed with MDD/PTSD. The overlapping part in the two subsets comprises data of participants diagnosed with both MDD and PTSD. The best performance for MDD comorbidity detection is found to be 0.789 in terms of macro-averaging F1score. In contrast, it is found to be 0.647 for PTSD comorbidity detection.
据报道,患有一种精神障碍的患者可能随着时间的推移发展成其他精神障碍。多种疾病同时存在的情况称为共病。对精神障碍的治疗需要在合并症的情况下进行调整。因此,检测合并症是必要的。重度抑郁症(MDD)和创伤后应激障碍(PTSD)之间的共病通过几种方式进行了很好的研究,这些方式要么是侵入性的,要么是昂贵的。近年来,音频-视频模式已被探索用于检测几种非侵入性和成本效益高的精神障碍。音频-视频法检测重度抑郁症与创伤后应激障碍的合并症尚未见报道。在这项研究中,我们介绍了在公开可用的音频-视频数据集上检测重度抑郁症和创伤后应激障碍共病的初步工作。为了分别检测MDD/PTSD共病,我们创建了两个重叠的数据集子集,其中包括被诊断为MDD/PTSD的参与者。两个子集中的重叠部分包括被诊断为重度抑郁症和PTSD的参与者的数据。MDD共病检测的最佳表现为宏观平均F1score为0.789。而PTSD合并症的检测结果为0.647。
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引用次数: 0
PID, LQR, State Feedback, and Feed-forward Controllers on a Two-Link Robotic Manipulator: A Simulation-Based Comparison 双连杆机械臂的PID、LQR、状态反馈和前馈控制器:基于仿真的比较
Riya Kumari, Ramesh Kumar, Gagan Deep Meena
This paper presents a comparative analysis of different control strategies applied to a two-link robotic manipulator. Robot control is crucial when it comes to real-time implementation of the control algorithms, hence a good theoretical analysis becomes important. Three different control algorithms have been presented for a two-link manipulator with their simulation results. The dynamics of the robotic manipulator are evaluated using the Euler-Lagrangian method. The robot model featuring some nonlinearity has been handled by linearising the equation of motion of the two-link robot. State-space model of the linearized version is designed and a proportional-integralderivative controller, linear quadratic regulator, state-feedback, and state-feedforward controllers are applied. State feedback and feedforward have been combined together and implemented to observe their effectiveness. Simulations are carried out on MATLAB to compare the effectiveness of individual control techniques. The performance analysis of individual joints has been presented. A discussion on the merits and demerits of a better approach has been furnished.
本文对应用于双连杆机械臂的不同控制策略进行了比较分析。机器人控制对于控制算法的实时实现至关重要,因此良好的理论分析变得非常重要。针对两连杆机械臂提出了三种不同的控制算法,并给出了仿真结果。采用欧拉-拉格朗日方法对机械臂的动力学特性进行了评价。通过对双连杆机器人的运动方程进行线性化处理,得到了具有一定非线性的机器人模型。设计了线性化版本的状态空间模型,并应用了比例积分导数控制器、线性二次型调节器、状态反馈和状态前馈控制器。将状态反馈和前馈相结合并实施,观察其有效性。在MATLAB上进行了仿真,比较了各个控制技术的有效性。对单个节点进行了性能分析。对一种更好的方法的优点和缺点进行了讨论。
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引用次数: 0
Characterization of the event-related potentials during GAN-based generation of EEG signals and their data augmented subject classification 基于gan的脑电信号生成过程中事件相关电位的表征及其数据增强主题分类
S. Biswas, Pravandan Chand, Ankit Mathur, R. Sinha
One of the most crucial challenges in exploring deep neural networks for signal modeling and classification tasks is the availability of a large quantity of domain-specific data. The generative adversarial network (GAN) has emerged as an effective artificial data generation method. Motivated by that, we explore the generation of auditory event-related electroencephalographic (EEG) signals and their task-specific authentication in this work. For synthesizing subject-specific EEG signals, a conditional deep convolutional GAN is used. Apart from measuring the usual signal similarity, we also computed the correlation between the subject-wise event-related potentials (ERPs) corresponding to the real and synthetic EEG data. The characterization of the ERPs highlights that the GAN is not only able to learn the distribution of real EEG signals but also can preserve their temporal characteristics. Further, EEG biometrics experiments are also performed to verify the effectiveness of the synthesized EEG signals in data augmentation. It is noted that the averaged classification accuracy improves by augmenting the real data set with synthetic EEG signals.
在探索用于信号建模和分类任务的深度神经网络时,最关键的挑战之一是大量特定领域数据的可用性。生成对抗网络(GAN)是一种有效的人工数据生成方法。基于此,本研究探讨了听觉事件相关脑电图(EEG)信号的产生及其任务特异性认证。为了合成特定对象的脑电图信号,使用了条件深度卷积GAN。除了测量通常的信号相似度外,我们还计算了真实和合成EEG数据对应的受试者事件相关电位(ERPs)之间的相关性。对erp的表征表明,GAN不仅能够学习真实脑电信号的分布,而且能够保持其时间特征。此外,还进行了脑电生物识别实验,验证了合成的脑电信号在数据增强方面的有效性。用合成的脑电信号对真实数据集进行扩充,提高了平均分类精度。
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引用次数: 0
Modelling of a MIMO Non-Linear System using a Double Internal Loop Recurrent Neural Network 用双内环递归神经网络对MIMO非线性系统建模
Richa Sahu, S. Srivastava, Rajesh Kumar
A Double Internal Loop Recurrent Neural Network (DILRNN) model is proposed for Multiple Input Multiple Output (MIMO) system to obtain improved output using Gradient Descent based Back Propagation Algorithm. In the modelling of DILRNN, three feedback loops are taken i.e., the first feedback is taken from the unit delay of the output to the hidden layer, the second feedback is taken from the previous value of hidden layer to itself and the last feedback is taken from the previous value of output to output. The weight is updated with the help of the algorithm after every iteration. The output of the proposed DILRNN model reduces error significantly vis-à-vis other Recurrent Neural Network (RNN) models for constant value of iterations and epochs. The statistical parameters such as RMSE and TMAE for the proposed model are greatly in comparison to other models and thereby enhances the accuracy of the model.
针对多输入多输出(MIMO)系统,采用基于梯度下降的反向传播算法,提出了一种双内环递归神经网络(DILRNN)模型。在DILRNN的建模中,采用了三个反馈回路,即第一个反馈是从输出到隐藏层的单位延迟中获得的,第二个反馈是从隐藏层的前一个值到自身的,最后一个反馈是从前一个输出值到输出的。每次迭代后,该算法都会对权重进行更新。与-à-vis其他递归神经网络(RNN)模型相比,所提出的DILRNN模型的输出在迭代和epoch恒定值下显著降低了误差。该模型的RMSE和TMAE等统计参数与其他模型相比有很大的差异,从而提高了模型的准确性。
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引用次数: 0
Frequency Regulation in AC Microgrid using Sliding Mode Control Strategy 基于滑模控制策略的交流微电网频率调节
Dipak Anand, Saurabh Anand, Sheetla Prasad
The AC microgrid is equivalent to a synchronous machine and generally connected to several distribution generations (DGs) such as wind, solar, tidal, hydro etc. through power electronic devices known as inverter. This mixed type of structure has led to lack of inertia of the AC microgrid. However, this leads to increase deviation in frequency, rate of change of frequency, as a results, overall stability is more sensitive towards disturbance. Hence, the sliding mode control scheme is developed to provide a frequency support for the inverter based connected DGs in AC microgrid. The deviations in state trajectories guarantee to minimize the negative impact of inertia deficiency on AC microgrid state trajectories. In addition, proposed law performance in terms of trajectories and static error indices compares with linear quadratic regulator method. It achieves minimum time characteristics simultaneously such as over/undershoot, settling time even in presence of load vulnerabilities. The proposed control law is demonstrated using MATLAB simulation.
交流微电网相当于一台同步机,通常通过被称为逆变器的电力电子设备连接到几个配电代(dg),如风能、太阳能、潮汐能、水力等。这种混合型结构导致交流微电网惯性不足。但这会导致频率偏差增大,频率变化率增大,整体稳定性对扰动更加敏感。因此,本文提出了滑模控制方案,为交流微电网中基于并联dg的逆变器提供频率支持。状态轨迹偏差保证了惯性不足对交流微电网状态轨迹的负面影响最小化。此外,提出的律性能在轨迹和静态误差指标方面与线性二次型调节器方法进行了比较。即使在存在负载漏洞的情况下,它也可以同时实现最小的时间特性,例如过冲/过冲,稳定时间。利用MATLAB仿真对所提出的控制律进行了验证。
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引用次数: 1
A Review on Various Mathematical Based Static Reconfiguration Strategies to Improve Generated Power under Partial Shading Conditions 在部分遮阳条件下提高发电量的各种基于数学的静态重构策略综述
Vaishali Gautam, S. Khatoon, M. Jalil
Renewable energy has made a significant contribution to energy markets in recent years. An abundance of Photovoltaic (PV) array installations attests to solar power’s expanding role in the renewable energy sector. Partial shadowing/mismatch situations are a risk for PV arrays that can cause significant power losses and reduce the lifetime of the solar panels. A partially shaded PV array’s power-voltage characterization exhibits many local maxima, one of which is the global maximum power point. The effects of mismatch conditions on the PV array are lessened by Reconfiguration strategies, that are further categorized into Static and Dynamic Reconfiguration strategies. This article offers a variety of the puzzle patterns that may be found in the literature that are based on the Mathematical based Static reconfiguration strategies. Mathematical based reconfiguration technique use a mathematical rule to reconfigure PV arrays. By implementing these reconfiguration strategies, it was discovered that power production could be enhanced while at the same time, shade was better spread.
近年来,可再生能源对能源市场做出了重大贡献。大量的光伏(PV)阵列装置证明了太阳能在可再生能源领域的作用日益扩大。部分阴影/不匹配的情况对光伏阵列来说是一种风险,可能会导致严重的功率损失并缩短太阳能电池板的使用寿命。部分遮蔽的光伏阵列的功率电压特性表现出许多局部最大值,其中一个是全局最大功率点。通过重构策略可以减小不匹配条件对光伏阵列的影响,重构策略又分为静态重构策略和动态重构策略。本文提供了可以在文献中找到的各种基于基于数学的静态重新配置策略的谜题模式。基于数学的重新配置技术使用数学规则来重新配置PV阵列。通过实施这些重新配置策略,发现可以提高电力生产,同时更好地传播阴影。
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引用次数: 0
Modified Versoria Function-Based Fast Zero Attraction LMS Algorithm applied to Grid Tied Solar PV System 基于改进Versoria函数的快速零吸引LMS算法在并网太阳能光伏系统中的应用
Md. Khalid Akhlaque, J. N. Rai, S. T. Nagarajan
The rapid advancement of electrical practices in the power sector has given rise to new theories and approaches in the field of electrical energy. Modified Versoria function based Fast Zero Attracting Least Mean Square (MVFZA-LMS) technique is used in this paper to control a 3phase grid-tied solar PV system. The suggested control scheme focuses on extracting Peak power from the PV array and alleviates concerns pertaining to power quality (PQ), alongside harmonics elimination, balancing of load, and pf improvement under the time-varying scenarios. With the help of the above-mentioned control topology, dynamic performance is enhanced, which increases the response time and robustness of the system. Suggested topology reduces problems associated with PQ and offer conditioning of current by adjusting its weight component while functioning in coordination with an underdeveloped grid, with inferior quality of power in response to voltage distortions and imbalances. The model is simulated using MATLAB Simulink and the response has been thoroughly investigated. It is found that the efficacy of the model under dynamic environmental and load conditions is quite satisfactory.
随着电力领域电气实践的迅速发展,电能领域产生了新的理论和方法。本文采用基于改进Versoria函数的快速零吸引最小均方(MVFZA-LMS)技术对三相并网太阳能光伏系统进行控制。建议的控制方案侧重于从光伏阵列中提取峰值功率,并缓解有关电能质量(PQ)的担忧,以及在时变场景下消除谐波,平衡负载和改善pf。利用上述控制拓扑,增强了系统的动态性能,提高了系统的响应时间和鲁棒性。建议的拓扑结构减少了与PQ相关的问题,并通过调整其权重分量提供电流调节,同时与不发达的电网协调工作,以响应电压畸变和不平衡的劣质电力质量。利用MATLAB Simulink对该模型进行了仿真,并对其响应进行了深入的研究。结果表明,该模型在动态环境和荷载条件下的有效性令人满意。
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引用次数: 0
Clustering Approach Using Multiobjective Non-Dominated Sorting Teaching Learning Based Optimization with Kernel Fuzzy C-Means Algorithm (NSTLBO-KFCM) 基于核模糊c均值算法(NSTLBO-KFCM)的多目标非支配排序教学优化聚类方法
Saumya Singh, S. Srivastava
Clustering has evolved over a period and has become more sensitive and precise with the outcomes. No clustering algorithm is suited for all types of data sets, but partitional clustering lays foundation for almost all-important clustering algorithms. Single solution can be achieved in case of single objective clustering, but in multiobjective clustering the solution becomes set of solution vector. Multiobjective clustering has made the pattern recognition possible in more than one dimension. The solution strategy of Multiobjective clustering is conceptualized on Pareto dominance. A multiobjective NSTLBO-KFCM is implemented in this paper using non-dominated sorting technique. The clustering algorithm is then compared with multiobjective non dominated sorting genetic algorithm third generation-based kernel fuzzy C-means (NSGAIII-KFCM) algorithm and multiobjective particle swarm optimization-based kernel fuzzy C-means (MPSO-KFCM) algorithm. The algorithm is also compared with non-dominated sorting teaching learning-based optimization with fuzzy C-means (NSTLBO-FCM) algorithm and the results show that NSTLBO-KFCM is superior clustering algorithm.
聚类已经发展了一段时间,并且对结果变得更加敏感和精确。没有一种聚类算法适合所有类型的数据集,但分区聚类为几乎所有重要的聚类算法奠定了基础。在单目标聚类的情况下可以得到单个解,而在多目标聚类的情况下,解成为解向量的集合。多目标聚类使得模式识别在多个维度上成为可能。在Pareto优势的基础上,提出了多目标聚类问题的求解策略。本文采用非支配排序技术实现了一种多目标NSTLBO-KFCM。将该聚类算法与多目标非主导排序遗传算法第三代核模糊c -均值(NSGAIII-KFCM)算法和多目标粒子群优化核模糊c -均值(MPSO-KFCM)算法进行比较。并将该算法与基于模糊c均值的非主导排序教学优化算法(NSTLBO-FCM)进行了比较,结果表明NSTLBO-KFCM是更优的聚类算法。
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引用次数: 0
Over Current Relay coordination in Multiphase Radial Distribution System Integrated with Wind Turbines Based DGs using ETAP 基于ETAP的多相径向配电系统与风力机集成的过电流继电器协调
Rajesh Kumar, H. Ashfaq, Rajveer Singh
This paper gives a power flow and fault analysis approach for tackling over current protection coordination issues in a multiphase unbalanced radial distribution system that incorporates wind turbine generators (WTG). The voltage profile and short circuit levels may be impacted in a number of different ways by the addition of WTG to a radial distribution system. Fault current level fluctuates as a result of fault incidence, which affects the operating time of various protective relays and various distribution system equipment. In order to maximize relay working time and prevent any malfunction operations, it is crucial to calculate and provide methods for protecting relay settings. This suggested method approach is evaluated on lengthy, lightly loaded an unbalanced IEEE 34 bus system. Because a three-phase system can be used to depict a multiphase distribution system, two-phase and single-phase line segments are represented according to their sequence value. The outcomes are analyzed using a simulation in Electrical Transient Analyzer Program (ETAP) and a sequence-based network.
针对含风力发电机组的多相不平衡径向配电系统的过流保护协调问题,提出了一种潮流分析和故障分析方法。在径向配电系统中加入WTG可能会以多种不同的方式影响电压分布和短路水平。故障发生率的变化导致故障电流水平的波动,影响着各种保护继电器和各种配电系统设备的运行时间。为了最大限度地延长继电器的工作时间,防止任何故障操作,计算和提供保护继电器设置的方法至关重要。在长时间、轻负荷、不平衡的IEEE 34总线系统上对该方法进行了评价。由于三相系统可以用来描述多相配电系统,因此根据它们的顺序值来表示两相和单相线段。利用电瞬变分析程序(ETAP)中的仿真和基于序列的网络对结果进行了分析。
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引用次数: 0
A Comprehensive Review on Single-Phase 13-level Capacitor Based Multilevel Inverters for Off-Grid Applications 基于13电平电容的单相离网多电平逆变器研究综述
Asim Rahman Ansari, A. Siddiqui, A. Sarwar, Haroon Rehman
Step-up voltage is essential in low voltage systems consisting of solar PV, battery storage, and fuel cells. There has been a great deal of interest from researchers in switched capacitor multilevel inverters (SC-MLIs) for such applications. SC-MLIs provides the benefits of voltage boosting feature and self-voltage balancing of capacitors. This paper analyzes and reviews some of the recently proposed thirteen-level SC-MLI topologies. An analysis of various thirteen-level SC-MLI topologies has been presented in this article, and their comparison is performed based on the number of dc supply, switches, diodes, capacitors, driver circuits, boosting, total standing voltage (TSV) and cost function. This paper will help young and energetic researchers’ academicians and engineers to focus on multidimensional application of new topologies for SC-MLIs and has offered a good platform to come up with some environmental friendly solution. Future challenges and other features are also discussed for various SC-MLI topologies which will unfold the surprising characteristics of switched capacitor multilevel inverters.
升压在由太阳能光伏、蓄电池和燃料电池组成的低压系统中是必不可少的。研究人员对这种应用的开关电容多电平逆变器(SC-MLIs)产生了极大的兴趣。SC-MLIs具有升压特性和电容器自电压平衡的优点。本文对最近提出的十三层SC-MLI拓扑结构进行了分析和综述。本文对各种十三级SC-MLI拓扑结构进行了分析,并根据直流电源、开关、二极管、电容器、驱动电路、升压、总驻电压(TSV)和成本函数的数量进行了比较。本文将帮助年轻有活力的学者和工程师关注SC-MLIs新拓扑的多维应用,并为提出一些环境友好的解决方案提供了一个良好的平台。本文还讨论了各种SC-MLI拓扑的未来挑战和其他特性,这些拓扑将揭示开关电容多电平逆变器的惊人特性。
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引用次数: 0
期刊
2023 International Conference on Recent Advances in Electrical, Electronics & Digital Healthcare Technologies (REEDCON)
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