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2020 1st International Conference on Innovative Research in Applied Science, Engineering and Technology (IRASET)最新文献

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Adaptive control for variable-speed wind generation systems using advanced RBF Neural Network 基于先进RBF神经网络的变速风力发电系统自适应控制
Belkhiri Driss, S. Farhat, Kahaji Abdelilah, EL Rachid
Nowadays, the use of renewable energy including wind energy has increased dramatically. Thanks to the wind energy conversion systems which are more sophisticated, and the demand for new techniques and algorithms to improve the control of wind turbines; using modern or classical approaches. To optimize the efficiency of the wind turbine, the latter should vary its rotational speed in real-time to follow the instantaneous variation in wind speed. The paper proposes an intelligent controller which is based on advanced RBF-NN approach, for torque control of doubly fed induction generator based wind turbine during all value of wind speed. The ultimate objective is to maximize output power for this system. For this, the online training RBF regulator approximates the torque of the generator in according to maximum power of the wind turbine at a given wind speed. This method is analytically compared with optimal torque controller to demonstrate the relevance of this controller, illustrate maximum power point tracking and good accuracy. Uniform asymptotic stability of the tracking error origin, is analyzed via Lyapunov method.
如今,包括风能在内的可再生能源的使用急剧增加。由于风能转换系统更加复杂,并且需要新的技术和算法来改善风力涡轮机的控制;使用现代或古典的方法。为了优化风力机的效率,风力机需要实时改变转速,以适应瞬时风速的变化。本文提出了一种基于先进RBF-NN方法的智能控制器,用于双馈异步风力发电机组在所有风速值时的转矩控制。最终目标是使这个系统的输出功率最大化。为此,在线训练RBF调节器根据给定风速下风力机的最大功率近似计算发电机的转矩。将该方法与最优转矩控制器进行了分析比较,证明了该控制器的相关性,说明了最大功率点跟踪和良好的精度。利用李雅普诺夫方法分析了跟踪误差原点的一致渐近稳定性。
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引用次数: 1
Towards an Effective Implementation of a Model-Driven Engineering Approach for Software Development 软件开发中模型驱动工程方法的有效实现
I. Khriss, A. Jakimi, Hamza Abdelmalek
Several studies have raised the issue of the adoption of model-driven engineering (MDE) in industry. We can find there, for example, the lack of mature tools and the lack of employee training. In this paper, we present a summary of 20 years of experience in MDE and how our vision has evolved through all these years. We present our view of an effective approach for a better application of MDE which answers to some of the issues raised. This approach is supported by a set of integrated tools that facilitate not only the learning of MDE but also its implementation. We also discuss some of the results of adopting this approach in university software engineering courses and its use in real software development projects.
一些研究已经提出了在工业中采用模型驱动工程(MDE)的问题。我们可以发现,例如,缺乏成熟的工具和缺乏员工培训。在本文中,我们总结了20年的MDE经验,以及这些年来我们的愿景是如何演变的。我们提出了一种有效的方法,可以更好地应用MDE,从而回答所提出的一些问题。这种方法得到一组集成工具的支持,这些工具不仅可以促进MDE的学习,还可以促进其实现。我们还讨论了在大学软件工程课程中采用这种方法的一些结果,以及它在实际软件开发项目中的应用。
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引用次数: 0
Very Low Phase Noise Voltage Controlled Oscillator for 5G mm-wave Communication Systems 5G毫米波通信系统的极低相位噪声压控振荡器
A. Es-saqy, Maryam Abata, S. Mazer, M. Fattah, M. Mehdi, M. Bekkali, C. Algani
A customized structure of the Colpitts VCO for the 5G millimeter band is presented in this paper, this structure has a very low phase noise level compared to other structures published in the literature. Simulation results show that our VCO has a tuning range of 1.69 GHz around 28 GHz, an output power of 3.3 dBm and a phase noise around -123.2dBc/Hz at 1 MHz offset frequency from carrier. The VCO is designed in MMIC technology using the pHEMT transistor of PH15 process from UMS foundry.
本文提出了一种用于5G毫米频段的Colpitts VCO定制结构,与文献中发表的其他结构相比,该结构具有非常低的相位噪声水平。仿真结果表明,该VCO在28ghz左右的调谐范围为1.69 GHz,输出功率为3.3 dBm,与载波偏移频率为1mhz时相位噪声约为-123.2dBc/Hz。该压控振荡器采用MMIC技术设计,采用UMS代工厂PH15工艺的pHEMT晶体管。
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引用次数: 8
PSO-based ANFIS for quadrotor system trajectory-tracking control 基于pso的四旋翼系统轨迹跟踪控制
Halima Housny, E. Chater, H. E. Fadil
This paper presents an application of particle swarm optimization algorithm (PSO) to tune the scaling gains of Adaptive Neuro-Fuzzy Inference System (ANFIS) controller with a multi-closed loop control applied to nonlinear quadrotor system. First, PID control approach is used to obtain the training data set that is necessary to ANFIS design. Precisely, only the error and the error rate inputs in addition to output are used in training data set vector. Afterwards, an adaptive Neuro-Fuzzy inference system controller is designed. Then, to tune the scaling gains associated with ANFIS controller, PSO algorithm is used. Finally, an integral control action is added to the ANFIS controller output for controlling each state of the MIMO quadrotor system. The simulation test show that the results obtained with ANFIS-PSO controller are better, when compared to those obtained using conventional ANFIS controller and traditional PID.
本文提出了将粒子群优化算法(PSO)应用于非线性四旋翼系统的自适应神经模糊推理系统(ANFIS)控制器的多闭环调节增益。首先,采用PID控制的方法获取ANFIS设计所需的训练数据集。准确地说,除了输出外,训练数据集向量只使用误差和错误率输入。然后,设计了自适应神经模糊推理系统控制器。然后,利用粒子群算法对与ANFIS控制器相关的缩放增益进行调整。最后,在ANFIS控制器输出中加入积分控制动作来控制MIMO四旋翼系统的各个状态。仿真实验表明,与传统的ANFIS控制器和传统的PID控制器相比,ANFIS- pso控制器的控制效果更好。
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引用次数: 5
Static Power Converters for a Wind Turbine Emulator Driving a Self-Excited Induction Generator 驱动自激感应发电机的风力发电机仿真器的静态功率变换器
Yahya Aljarhizi, E. A. Ibrahmi, A. Mesbahi, A. Hassoune, M. Khafallah
This work presents a performance study of static power converters (SPC) for a self-excited induction generator (SEIG) driven by a wind turbine emulator (WTE). The WTE consists of an induction motor (IM) tied to an electrical grid via a variable speed drive (VSD) controlled by a wind turbine model block. The SPC control is based on regulation of the inductance current and the output voltage. However, the overall control design is modeled on Matlab/Simulink through block diagrams in which power and control stages are designed separately. A given wind profile scenario is proposed in order to evaluate the performance of the control strategies of the SPC with the WTE.
本文研究了风力发电机仿真器驱动的自激感应发电机(SEIG)的静态功率变换器(SPC)的性能。WTE由一个感应电机(IM)通过一个由风力涡轮机模型块控制的变速驱动器(VSD)连接到电网。SPC控制是基于电感电流和输出电压的调节。然而,总体控制设计是在Matlab/Simulink上通过框图进行建模,其中电源和控制级分别设计。提出了一个给定的风廓线情景,以评估SPC与WTE控制策略的性能。
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引用次数: 0
Analyzing Moroccan Stock Market using Machine Learning and Sentiment Analysis 用机器学习和情绪分析分析摩洛哥股市
Hind Bourezk, Amine Raji, Nawfal Acha, Hafid Barka
Behavioral Finance studies demonstrated over the last decade that stock market can be driven by emotions for market participants. On the other hand, online sentiment tracking over social media network and news showed promising results in predicting financial markets. Hence, measuring investor sentiment has become a key research issue in financial predictions. In this paper, we present our methodology for collecting, analyzing and inferring sentiments from several information sources regarding Casablanca Stock Exchange Market. With this data we apply sentiment analysis and machine learning algorithms to infer the relationship between the general public view regarding a stock and its evolution within the stock market.
行为金融学在过去十年的研究表明,股票市场可以由市场参与者的情绪驱动。另一方面,通过社交媒体(sns)和新闻的在线情绪追踪,在预测金融市场方面取得了可喜的成果。因此,衡量投资者情绪已成为金融预测中的一个关键研究问题。在本文中,我们提出了收集、分析和推断卡萨布兰卡证券交易所市场的几个信息来源的情绪的方法。有了这些数据,我们应用情绪分析和机器学习算法来推断公众对股票的看法与其在股票市场中的演变之间的关系。
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引用次数: 6
Power Losses Minimization in Distribution System Using Soft Open Point 采用软开路点的配电系统功率损耗最小化
Moufid Ismail, Elmarkhi Hassane, El Moussaoui Hassan, Lamhamdi Tijani
Soft Open Point (SOP) is a type of power electronic component used for reconfiguration of network distribution, which can replace the traditional switches or Normally Open Point (NOP). This article suggests an adaptive distribution network strategy that works with and without SOP to reduce power losses. To investigate the performance of our proposed system a distribution network constituted of two feeders and six loads was performed using Matlab/Simulink and Power System Analysis Toolbox (PSAT). The simulation results shown in this paper improve that the use of SOP reduces greatly the power losses in the distribution network.
软开点(SOP)是一种用于重新配置电网配电的电力电子元件,可以代替传统的开关或常开点(NOP)。本文提出了一种自适应配电网策略,该策略可以在有SOP和没有SOP的情况下工作,以减少电力损耗。为了研究该系统的性能,利用Matlab/Simulink和电力系统分析工具箱(PSAT)对由2条馈线和6个负载组成的配电网进行了仿真。仿真结果表明,SOP的使用大大降低了配电网的功率损耗。
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引用次数: 5
Optimization and Simulation of the photovoltaic properties of modified Donor-Acceptor Conjugated Oligomers for Organic Solar Cells 有机太阳能电池用改性供体-受体共轭低聚物的光伏性能优化与模拟
Anass El Karkri, Z. Malki, M. Bouachrine, F. Serein-Spirau, J. Sotiropoulos
In this study, the analysis of microelectronic and photonic structure in one dimension program [AMPS-1D] has been successfully used to study organic solar cells. The program was used to optimize the performance of the organic solar cells based on (Carbazole-Methylthiophene), benzothiadiazole, Thiophene [(Cbz-Mth)-B-T]2 and [6, 6] -phenyl-C61-butyric acid methyl ester (PCBM). The cells considered, consist of Carbazole-Methylthiophene-Thiophene as electron donors, and benzothiadiazole, (6,6)-phenyl-c61-butyric acid methyl ester [PCBM] as electron acceptor. [(Cbz-Mth) -BT]2-PCBM] is used as photo active material, sandwiched between a transparent indium tin oxide (ITO) and an Al backside contact. The optoelectronic properties of these dyes were investigated by using the Density Functional Theory DFT/B3LYP/6-31G (d, p) method. We studied the influence of the variation of the thickness of the active layer, the temperature and the density of the effective states of the electrons and the holes in the conduction and valence bands respectively on the performance of the solar cells. The results were compared with the experimental data, it showed that the optimum thickness of the solar cell is about 120 nm, the maximum efficiency for the studied organic solar cell is about 9.458 % and the open circuit voltage decreases with temperature.
在本研究中,一维程序[AMPS-1D]中的微电子和光子结构分析已成功用于有机太阳能电池的研究。利用该程序优化了基于(卡巴唑-甲基噻吩)、苯并噻唑、噻吩[(cbz - m)-B-T]2和[6,6]-苯基- c61 -丁酸甲酯(PCBM)的有机太阳能电池的性能。所考虑的细胞由咔唑-甲基噻吩-噻吩作为电子给体和苯并噻唑,(6,6)-苯基-c61-丁酸甲酯[PCBM]作为电子受体组成。[(cbz - m) -BT]2-PCBM]被用作光活性材料,夹在透明的氧化铟锡(ITO)和铝背面触点之间。利用密度泛函理论DFT/B3LYP/6-31G (d, p)方法研究了这些染料的光电性能。研究了活性层厚度的变化、电子有效态温度的变化、电导带和价带空穴有效态密度的变化对电池性能的影响。结果表明,该有机太阳电池的最佳厚度约为120 nm,最大效率约为9.458%,开路电压随温度升高而降低。
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引用次数: 1
Boost Converter implementation for Wind Generation System based on a variable speed PMSG 基于变速PMSG的风力发电系统升压变换器实现
A. Mesbahi, Yahya Aljarhizi, A. Hassoune, M. Khafallah, E. Alibrahmi
this paper presents an implementation of a Wind Energy Conversion System based on a Permanent Magnet synchronous Generator. The turbine is emulated by a Permanent Magnet Direct Current Motor. The electricity produced is converted to continuous wave form through a Boost Converter. The control maintaining constant the voltage at the terminal, load is based on classical PI controller. The hardware setup is modeled and simulated using MATLAB/SIMULINK. Experimental rig using Permanent Magnet Direct Current Motor –Permanent Magnet synchronous Generator is used for validation.
本文介绍了一种基于永磁同步发电机的风能转换系统的实现方法。涡轮由永磁直流电动机模拟。产生的电通过升压转换器转换成连续波形。保持终端负载电压恒定的控制是基于经典的PI控制器。利用MATLAB/SIMULINK对硬件设置进行了建模和仿真。采用永磁直流电动机-永磁同步发电机的实验装置进行验证。
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引用次数: 4
Design of Type-2 Fuzzy PSS combined with Sliding Mode Control for Power System SMIB 电力系统SMIBⅱ型模糊PSS与滑模控制相结合的设计
Ben Meziane Khaddouj, Dib Faiza, I. Boumhidi
A design of the sliding mode controller (SMC) combined with the type-2 fuzzy power system stabilizer is developed in this paper in order to guarantee the power system stability in the different operation conditions. The type-2 fuzzy logic controller is designed to obtain the optimal power system stabilizer (PSS) in the presence of uncertainties. The main advantage of type-2 fuzzy logic over type-1 fuzzy logic is its ability to take linguistic and numerical uncertainties into account. The objective of combining the sliding mode control and the type-2 fuzzy PSS is to handle the fluctuations in the system parameters by adjusting the control parameters which improves the stability and the dynamic response. The results of simulation exhibit the validity of the developed approach with a fault conditions for a Single Machine Infinite Bus (SMIB) power system which the tracking performance is achieved with less oscillations.
为了保证电力系统在不同运行工况下的稳定性,提出了滑模控制器与2型模糊电力系统稳定器相结合的设计方案。针对存在不确定因素时电力系统最优稳定器(PSS)的问题,设计了2型模糊控制器。2型模糊逻辑相对于1型模糊逻辑的主要优点是它能够考虑语言和数值的不确定性。将滑模控制与2型模糊PSS相结合的目的是通过调整控制参数来处理系统参数的波动,从而提高系统的稳定性和动态响应。仿真结果表明了该方法在单机无限母线(SMIB)电力系统故障条件下的有效性,以较小的振荡实现了跟踪性能。
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引用次数: 1
期刊
2020 1st International Conference on Innovative Research in Applied Science, Engineering and Technology (IRASET)
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