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Electric power controller for steering wheel management in electric cars 用于电动汽车方向盘管理的电力控制器
Pub Date : 2009-05-20 DOI: 10.1109/CPE.2009.5156075
V. Milanés, Joshué Pérez, E. Onieva, Carlos González, T. de Pedro
driverless driving is one of the most interesting topics in the field of the intelligent transportation systems. Among these topics, the automation of the actuators involved in the management of a car, and out of them the control of the steering wheel constitute one of the most complex. In this paper, automatic power steering architecture to manage the steering wheel via Ethernet controller is developed. An on-board PC is connected to the controller to permit handling by computer generated signals. An electric car has been equipped with the system designed and tests to prove the behavior of the system in actual situations in the private driving circuit at the IAI facilities are included.
无人驾驶是智能交通领域的热门话题之一。在这些课题中,涉及汽车管理的执行器的自动化,而其中方向盘的控制构成了最复杂的课题之一。本文提出了一种通过以太网控制器对方向盘进行管理的自动助力转向体系结构。板载PC机连接到控制器上,以允许计算机生成的信号进行处理。设计的系统已在一辆电动汽车上安装,并在IAI设施的私人驾驶电路中进行了测试,以证明系统在实际情况下的行为。
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引用次数: 5
Verification of management methods for power storage in wind parks 风电场电力存储管理方法的验证
Pub Date : 2009-05-20 DOI: 10.1109/CPE.2009.5156025
C. Sourkounis, F. Richter, B. Ni
The stochastic fluctuating offer of wind energy limits the supply capacity in electrical grids by means of technical and economical reasons. A concept of dynamic conditioning was developed, which envisages support and management of the electrical grid respectively through compensation of active and reactive power with static converters and short time storage. Therefore short time fluctuation of the energy sources and changes of the load can be absorbed directly on location. By the use of dynamic storage systems an intermediate storage of the wind energy is done. This low order energy can thereby be converted into high order callable energy. Therefore the necessary storage capacity depends on the storage management method.
由于技术和经济原因,风能的随机波动供能限制了电网的供电能力。提出了动态调节的概念,设想通过静态变流器和短时存储对有功和无功功率进行补偿,分别对电网进行支持和管理。因此,能量源的短时间波动和负荷的变化可以直接在位置上吸收。利用动态存储系统实现了风能的中间存储。这种低阶能量因此可以转换为高阶可调用能量。因此,所需的存储容量取决于存储管理方法。
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引用次数: 5
Evaluative analysis of 2- and 3-level DC/DC converters for high-voltage high-power applications 用于高压大功率应用的2级和3级DC/DC变换器的评估分析
Pub Date : 2009-05-20 DOI: 10.1109/CPE.2009.5156073
D. Vinnikov, M. Egorov, R. Strzelecki
This paper is focused on the high-voltage (≥2 kV) high-power (≥20 kW) isolated DC/DC converters. The 3.3 kV IGBT based three-level half-bridge inverter topology was analyzed as an alternative to the two-level half-bridge with 6.5 kV IGBTs. The properties of primary switches, theirs selection procedure as well as inverter loss distribution, design challenges, costs of semiconductors and passive components of both concurrent topologies were evaluated and compared. The overall feasibility of two- and three-level inverter topologies was compared for the selected application and final recommendations are given.
本文主要研究高压(≥2kv)大功率(≥20kw)隔离型DC/DC变换器。分析了基于3.3 kV IGBT的三电平半桥逆变器拓扑结构,作为6.5 kV IGBT的两电平半桥的替代方案。评估和比较了主开关的特性、选择过程、逆变器损耗分布、设计挑战、半导体和无源器件的成本。比较了两电平和三电平逆变器拓扑的总体可行性,并给出了最终的建议。
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引用次数: 7
An efficient procedure for computing lightning induced overvoltages on overhead lines 计算架空线路雷击过电压的有效方法
Pub Date : 2009-05-20 DOI: 10.1109/CPE.2009.5156062
A. Vanegas, E. Velilla, J. Herrera, J. Valencia
Overvoltages on electrical power or telecommunications overhead lines due to nearby lightning strokes can cause faults and disturbances in electrical and electronic devices and apparatuses connected to them. It is important to understand these induced overvoltages, because equipments with electronic devices are sensitive to such disturbances. In this paper, lightning radiated electromagnetic fields caused by the return stroke are evaluated with transmission line engineering models, representing the current through the lightning channel. Integral equations are solved by means the Trapezoidal Rule, resulting in an efficient way to compute the radiated electromagnetic field. Also, the coupling between the electromagnetic field radiated by the return stroke and the overhead line is considered by using The Method of Characteristics. In this way, transmission line equations to describe voltages and currents in the overhead line are solved in order to compute the induced overvoltages. Results are compared with others internationally published.
由于附近的雷击,电力或电信架空线路上的过电压可能导致与之相连的电气和电子设备和设备发生故障和干扰。了解这些感应过电压是很重要的,因为带有电子设备的设备对这种干扰很敏感。本文利用传输线工程模型对雷电回程产生的辐射电磁场进行了计算,表示雷电通道的电流。利用梯形法则求解积分方程,为计算辐射电磁场提供了一种有效的方法。同时,利用特征化方法考虑了回程电磁场与架空线路之间的耦合。通过求解描述架空线路电压和电流的传输线方程,从而计算出感应过电压。结果与国际上发表的其他研究结果进行了比较。
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引用次数: 6
Reduction of EMI by combining interleaving and modulation techniques in multiconverter topology 在多变换器拓扑结构中结合交错和调制技术来减少电磁干扰
Pub Date : 2009-05-20 DOI: 10.1109/CPE.2009.5156059
J. Mon, J. Gago, D. González, J. Balcells, R. Fernández, I. Gil
In this paper an evaluation of different modulations techniques that combine switching frequency modulation and interleaving is presented. The objective of these modulations is to cancel certain harmonics of EMI and to reduce the amplitude of the remaining harmonics. A four channel parallel buck converter has been used in order to evaluate the modulations proposed. According experimental results, significant reduction of EMI is possible by combining both techniques instead of using them separately.
本文对开关调频和交织调制相结合的调制技术进行了评价。这些调制的目的是消除电磁干扰的某些谐波,并降低剩余谐波的幅度。为了评估所提出的调制方法,我们使用了一个四通道并联降压变换器。根据实验结果,将两种技术结合使用而不是单独使用,可以显著降低电磁干扰。
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引用次数: 6
Quality meter of electric power systems based on IEEE Standard 1459-2000 基于IEEE 1459-2000标准的电力系统质量计
Pub Date : 2009-05-20 DOI: 10.1109/CPE.2009.5156018
M. I. Milanés, V. Minambres, E. Romero, F. Barrero
This paper proposes a new method with a new platform for the measurement of the electric power quantities defined in the IEEE Standard 1459-2000 for single-phase, three-phase three-wire and three-phase four-wire power systems. The method consists on the implementation of a SIMULINK algorithm based on the real time domain, which obtains the fundamental positive sequence magnitudes to solve the problem. The platform selected was an embedded PC (Target) that runs the code in the MATLAB xPCTarget environment, with a PCI data acquisition card, which takes the samples of the current and voltage sensors. It can be controlled and monitored by any other PC (Host) via TCP/IP with a COM application installed, specifically created with VISUAL BASIC. The hardware and software unity creates a power quality analyzer called QUAME (QUAlity MEter). Experimental tests and results in a low voltage distribution grid are included to test the platform performance.
针对单相、三相三线制和三相四线制电力系统,提出了一种测量IEEE 1459-2000标准中规定的电量的新方法和新平台。该方法通过实现基于实时域的SIMULINK算法,获取基本正数量级来解决问题。选择的平台是嵌入式PC (Target),在MATLAB xPCTarget环境下运行代码,带有PCI数据采集卡,对电流和电压传感器进行采样。它可以被任何其他PC(主机)通过TCP/IP控制和监视,并安装了一个COM应用程序,特别是用VISUAL BASIC创建的。硬件和软件的统一创造了一个电能质量分析仪称为QUAME(质量计)。通过低压配电网的实验测试和结果,对平台的性能进行了测试。
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引用次数: 9
期刊
2009 Compatibility and Power Electronics
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