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2014 Innovative Applications of Computational Intelligence on Power, Energy and Controls with their impact on Humanity (CIPECH)最新文献

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Neurofuzzy inference system for diagnosis of Leukemia 白血病诊断的神经模糊推理系统
Ekata, P. Tyagi, Harshit Singhal
In this paper, we are using Neurofuzzy system for either prediagnosis or preidentification of leukemia. Mainly the technique of Backpropagation algorithm is used in order to complete the process of training and testing our data, that (data) has already been obtained by generating the Sugeno based model of all considered rules, based on different symptoms of Leukemia taken as input in this procedure. In carcinogenesis, Neurofuzzy is favourably applicable to sort out various types of problems occurs in both pre-clinical as well as post-clinical types of diagnosis. In this application, a fuzzy logic dependent system is presented for the support of the justification of disease for prediagnosis of Leukemia.
在本文中,我们使用神经模糊系统进行白血病的预诊断或预识别。主要是使用反向传播算法的技术来完成我们的数据的训练和测试过程,该(数据)已经通过生成所有考虑规则的基于Sugeno的模型获得,该过程中以白血病的不同症状作为输入。在癌变中,Neurofuzzy很好地适用于整理临床前和临床后诊断类型中出现的各种类型的问题。在这个应用中,提出了一个模糊逻辑依赖系统来支持白血病的预诊断。
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引用次数: 2
Computation & analysis of aluminum and steel structures by using ABAQUS software for engineering applications 应用ABAQUS软件对铝、钢结构进行工程计算与分析
S. Urooj, Monika Singh, R. Dohare, Ankesh Yadav, Shilpi Ghosh, Snigdha Sharma
The area of material analysis demands wide research for variety of engineering applications in diversified fields. The aim of this study is to compute and investigate the properties of steel and aluminium by using specified software ABAQUS-CAE(6-10). The impact of applied load and change in temperature for these two materials for hollow and solid cylinder, solid cantilever beam is computed and analysed. It is found that the change in certain parameter leads to the change in the dimensions of the chosen specimen which could be utilized as performance measure for variety of engineering applications viz., power system material, biomaterials and other industrial purposes.
材料分析领域需要广泛的研究,以适应不同领域的工程应用。本研究的目的是通过使用指定的软件abaquus - cae(6-10)来计算和研究钢和铝的性能。计算和分析了载荷和温度变化对这两种材料在空心和实心圆柱体、实心悬臂梁中的影响。研究发现,某些参数的变化会导致所选试样尺寸的变化,这可以作为各种工程应用的性能指标,如电力系统材料、生物材料和其他工业用途。
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引用次数: 2
Evaluating fuzzy reliability using rough intuitionistic fuzzy set 用粗糙直觉模糊集评价模糊可靠性
D. Kumar, S. B. Singh
Fuzzy set theory has been studied extensively over the past several decades. It has been applied to solve many real life problems including system reliability. In this paper we define rough intuitionistic fuzzy sets with their properties and present a new method for analyzing fuzzy reliability of different types of systems considering the reliability of the components as rough intuitionistic fuzzy sets for handling the vagueness and incompleteness in information.
在过去的几十年里,模糊集理论得到了广泛的研究。它已被应用于解决包括系统可靠性在内的许多实际问题。本文定义了粗糙直觉模糊集及其性质,提出了一种分析不同类型系统的模糊可靠度的新方法,将部件的可靠度作为粗糙直觉模糊集来处理信息的模糊性和不完全性。
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引用次数: 3
Present scenario of distributed generation in India — Technologies, cost analysis & power quality issues 印度分布式发电的现状-技术,成本分析和电能质量问题
S. Yamujala, Mehtab Fatima, Indrakanti Abhinay Sri Teja, Y. Lahari
Indian electricity network is going through reformations for increasing efficiency, power quality and reliability of power system. Apart from unbundling, there is a need for integrating Distributed Generation (DG) to power system network for producing green power and to bridge the gap between supply and demand. In this paper, different technologies for DG, their installation cost comparison with conventional power generation technologies and few power quality issues that may arise with its integration to existing distribution network are discussed.
印度电网正在进行改革,以提高电力系统的效率、电力质量和可靠性。除了分拆外,还需要将分布式发电系统整合到电力系统网络中,以生产绿色电力,弥合供需差距。本文讨论了DG的不同技术、与传统发电技术的安装成本比较以及与现有配电网集成可能产生的电能质量问题。
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引用次数: 6
Fuzzy Q learning based UAV autopilot 基于模糊Q学习的无人机自动驾驶仪
Rajneesh Sharma
Navigation and control of an unmanned aerial vehicle (UAV) is a challenging problem and could be framed as a Reinforcement Learning (RL) task. Herein, we propose to use reinforcement learning for designing a UAV autopilot based on the Fuzzy Q Learning (FQL) approach. Proposed control scheme envisages an amalgamation of proportional (P) control that stabilizes the UAV and an action triggering Fuzzy Inference system (FIS) control that learns the correct control action to achieve the desired flight trajectory for a UAV flight. We test the proposed RL based UAV control for three cases: (i) Altitude control (ii) Trajectory Tracking, and (iii) Reconnaissance flight of a UAV. Results demonstrate the viability and effectiveness of a UAV autopilot designed using FQL.
无人驾驶飞行器(UAV)的导航和控制是一个具有挑战性的问题,可以被视为强化学习(RL)任务。在此,我们提出使用强化学习设计基于模糊Q学习(FQL)方法的无人机自动驾驶仪。所提出的控制方案设想了一种比例(P)控制和动作触发模糊推理系统(FIS)控制的融合,前者可以稳定无人机,后者可以学习正确的控制动作以实现无人机飞行所需的飞行轨迹。我们对提出的基于RL的无人机控制进行了三种情况的测试:(i)高度控制(ii)轨迹跟踪和(iii)无人机侦察飞行。实验结果验证了利用FQL设计的无人机自动驾驶仪的可行性和有效性。
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引用次数: 12
Allocation of UPFC in distribution system to minimize the losses 在配电系统中配置UPFC以减少损耗
S. Jaiswal, V. Shrivastava
FACTS technology was introduced into the distribution system (then called FACDS) to improve the distribution system performance. UPFC (Unified Power Flow Controller) is considered to be one of the best suited for power flow control as it controls all the three parameters of distribution line (i.e. impedance, voltage and phase angle). This paper presents a method for minimizing the distribution losses and improving the node voltage profile using UPFC. MATLab program was developed for power flow analysis using Newton-Raphson algorithms and to obtain the optimal location of UPFC using minimum loss as objective function. The proposed method is tested on the IEEE 33 RDS (radial distribution system) standard network.
为了提高配电系统的性能,将FACTS技术引入配电系统(当时称为FACDS)。UPFC(统一潮流控制器)被认为是最适合潮流控制的一种,因为它可以控制配电线路的所有三个参数(即阻抗、电压和相角)。本文提出了一种利用UPFC减小配电损耗和改善节点电压分布的方法。利用Newton-Raphson算法进行潮流分析,并以最小损耗为目标函数求出UPFC的最优位置。该方法在IEEE 33rds(径向配电系统)标准网络上进行了测试。
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引用次数: 11
Large scale wind energy conversion system using permanent magnet synchronous generator 采用永磁同步发电机的大型风能转换系统
H. Ahuja, Arika Singh, Arvind Sharma
Renewable energy resources are getting increased attention from researchers because of depleting fossil resources, increasing fuel prices and the concern of climate change and global warming. In a country like India where long coastal line is available, offshore wind farms are one of the attractive options. Over last two decades the wind power penetration in to the grid is increasing at a very fast rate and therefore the wind farms are now required to participate actively in grid operation by an appropriate generation control. The advantage of using a Permanent Magnet Synchronous Generator for wind energy conversion systems is that its efficiency is higher compared to other variable speed WT configurations, its full scale converter allows full controllability, gearbox can be omitted by using higher number of poles of PMSG. This paper proposes the complete modeling and simulation, and analysis of a PMSG based WECS in terms of its power quality, range of wind speed that it can handle and the power balance when the machine is operating under varying wind velocity conditions. Vector control strategy is employed for both the converters connected, in cascade, between generator and the power grid. The WECS is analyzed under both partial and full-load regime. Generator control is applied for power optimization when wind speed is less than rated speed and pitch control is applied for speeds higher than rated speed but below cut-out speed.
由于化石资源的枯竭、燃料价格的上涨以及对气候变化和全球变暖的担忧,可再生能源越来越受到研究人员的关注。在像印度这样海岸线很长的国家,海上风力发电场是一个有吸引力的选择。在过去的二十年中,风力发电进入电网的速度非常快,因此现在要求风电场通过适当的发电控制积极参与电网运行。使用永磁同步发电机用于风能转换系统的优点是,与其他变速WT配置相比,其效率更高,其满量程转换器允许完全可控性,齿轮箱可以通过使用更高数量的PMSG极点而省略。本文从电能质量、可承受风速范围和不同风速条件下的功率平衡等方面,对基于PMSG的wcs进行了完整的建模、仿真和分析。发电机与电网之间串级连接的变流器均采用矢量控制策略。在部分负荷和全负荷两种工况下,对wcs进行了分析。发电机控制用于风速小于额定风速时的功率优化,螺距控制用于风速大于额定风速但低于截止速度时的功率优化。
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引用次数: 7
Fuzzy warehouse inventory model for items with imperfect quality under trade credit policy and inflationary conditions 贸易信贷政策和通货膨胀条件下质量不完全商品的模糊库存模型
S. Singh, Pinky Saxena
The objective of this study is to derive the optimal retailer's replenishment policy for imperfect quality items in fuzzy environment. The effect of permissible delay in payments is also considered. It is assumed that production rate depends on the demand rate. Due to different preservation facilities, we consider that the deterioration rate is time dependent in own warehouse (O.W) and Wei-bull distribution in rented warehouse (R.W). The ordering cost, purchasing cost, holding cost and selling price are taken as fuzzy numbers.
本研究的目的是在模糊环境下,导出不完美品质商品的最优零售商补货策略。还考虑了允许的延迟付款的影响。假定生产率取决于需求率。由于保存设施的不同,我们认为在自有仓库(O.W)和在租用仓库(R.W)中,劣化率随时间而变化。将订货成本、采购成本、持有成本和销售价格作为模糊数。
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引用次数: 2
Power system restructuring & competitive wholesale electricity markets in deregulated environment 解除管制环境下电力系统重组与竞争性批发电力市场
Harleen Kaur, Puneet Kumar, A. Sharma, Nikhil Kamaiya
The analysis and the formation of the electric energy industry implements by forming a platform for the three components covering the generation, transmission, and distribution. Once the electric power is formed, it is further passed through the transmission lines having high voltage and large capacity to the regions in which the electricity will be consumed. Then it is converted to a voltage that is low and is passed to the users. The energy/electricity restructured process has been performed in different parts economically to generate units that are small along with the separation of the utilities thereby increasing the market structure. But a number of defining factors makes electricity a difficult task to be dealt causing unstable conditions thereby leading to raise the cost of the electricity. A shortfall or surplus of electricity means not only few of the end users are not able to have the deficit/excess power, rather it focuses on the fact which endangers the whole power grid thereby causing it to be on the verge of instability further leading to extinction in the market structure. The bulk power market structure, which includes the exchange between utilities, sales to large commercial and contract based sales to distributors and industrial customers, is now characterized by-Sharp Price Competition. The objective of this paper is to evaluate the scope of the generation to be distributed based on Competitive Wholesale Market and study the impact of it on the deregulated power market [1].
电力能源产业的分析与形成是通过形成发电、输电、配电三部分的平台来实现的。电能一旦形成,再通过高压大容量的输电线路输送到用电量的地区。然后它被转换成一个低电压并传递给用户。能源/电力重组过程已在不同地区经济地进行,以产生小型单位,同时公用事业分离,从而增加市场结构。但是,许多决定性因素使电力成为一项艰巨的任务,造成不稳定的条件,从而导致电力成本上升。电力短缺或过剩不仅意味着少数终端用户无法拥有不足/多余的电力,而是关注的是危及整个电网的事实,从而使其处于不稳定的边缘,从而导致市场结构中的灭绝。大宗电力市场结构,包括公用事业公司之间的交换,向大型商业企业的销售,以及向分销商和工业客户的合同销售,现在的特点是夏普价格竞争。本文的目的是评估基于竞争性批发市场的待分配发电量的范围,并研究其对解除管制的电力市场的影响[1]。
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引用次数: 3
Obtaining maximum torque operation of single phase induction motor using simulation technique of MATLAB 利用MATLAB仿真技术实现单相异步电动机的最大转矩运行
Swati Singla, Jyoti Srivastava, D. Blandina
Fractional KW electrical machines used in domestic and industrial applications are mostly asymmetrical two phase induction motor supplied by single phase supply. Though many techniques are available for control of three phase induction machine for extracting its best performance, but no such generalized technique is available for controlling Single Phase Induction Motor (SPIM). In this paper, a SPIM is studied, where a dynamic capacitor is used for obtaining maximum torque operation. The SPIM makes use of indirect current control of Voltage Source Inverter (VSI) with a capacitor on its DC bus, so that it can work as a variable capacitor. Then a maximum torque operation is obtained, by connecting this dynamic capacitor in series with the auxiliary winding, and is controlled in such a way to keep the main and auxiliary winding currents in phase quadrature to each other. And along with dynamic capacitor a dynamic model is developed in stator reference frame (d-q). For proposed configuration, performance of the SPIM is studied using MATLAB, to demonstrate the effectiveness of the dynamic capacitor.
在家用和工业中使用的分千瓦电机大多是单相供电的非对称两相感应电动机。为了提取三相感应电机的最佳性能,已有许多控制技术,但单相感应电机的控制还没有这样的通用技术。本文研究了一种采用动态电容实现最大转矩工作的SPIM。SPIM利用电压源逆变器(VSI)的直流母线上电容的间接电流控制,使其可以作为可变电容工作。然后,通过将该动态电容器与辅助绕组串联,得到最大转矩运行,并以这种方式控制主绕组和辅助绕组电流相互相交。在定子参照系(d-q)中建立了动态电容的动态模型。针对所提出的结构,利用MATLAB对SPIM的性能进行了研究,验证了动态电容的有效性。
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引用次数: 1
期刊
2014 Innovative Applications of Computational Intelligence on Power, Energy and Controls with their impact on Humanity (CIPECH)
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