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2010 IEEE Conference on Cybernetics and Intelligent Systems最新文献

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Cascaded control of 3D path following for an unmanned helicopter 无人直升机三维路径跟踪的级联控制
Pub Date : 2010-06-28 DOI: 10.1109/ICCIS.2010.5518579
Biao Wang, Xiangxu Dong, Ben M. Chen
The objective of the paper is to design the control system of following a predefined 3D path while maintaining a specified flight speed and considering the timing constraint. This can be accomplished by a cascaded solution framework based on theoretical dynamic error modeling. The controller for each loop can thus be designed separately so that the design problem is simplified and the control system can be implemented easily in pratice. A promising performance has be demonstrated by an accurate nonlinear simulation at current stage.
本文的目标是设计在保持指定飞行速度并考虑定时约束的情况下沿预定3D路径飞行的控制系统。这可以通过基于理论动态误差建模的级联求解框架来实现。因此,每个回路的控制器可以单独设计,从而简化了设计问题,使控制系统易于在实际中实现。在目前阶段进行了精确的非线性仿真,证明了其良好的性能。
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引用次数: 11
A load transfer scheme of radial distribution feeders considering distributed generation 考虑分布式发电的径向配电馈线负荷转移方案
Pub Date : 2010-06-28 DOI: 10.1109/ICCIS.2010.5518551
Wen-chih Yang, Wei-Tzer Huang
This work proposes a load transfer scheme for radial distribution feeders with distributed generation units. A distribution feeder may be operated with distributed generation units in parallel. Conventional load transfer schemes do not consider this kind of operating condition. Hence, they are not suitable for power distribution systems including distributed generation units. In this paper, the load transfer scheme considering distributed generation is presented first. Then the difference between the proposed scheme and conventional one is explored. Second, the effects of distributed generation units on the operating states of supported distribution feeders after load transfer are analyzed via computer simulation. Final, a test case is carried out to examine the function of the proposed load transfer scheme.
本文提出了一种带分布式发电机组的径向配电馈线负荷转移方案。配电馈线可以与分布式发电机组并联运行。传统的负荷转移方案没有考虑这种工况。因此,它们不适用于包括分布式发电机组在内的配电系统。本文首先提出了考虑分布式发电的负荷转移方案。然后探讨了该方案与传统方案的区别。其次,通过计算机仿真分析了负荷转移后分布式发电机组对支撑型配电馈线运行状态的影响。最后,通过一个测试案例验证了所提出的负荷转移方案的功能。
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引用次数: 11
Machine Learning algorithms applied to the classification of robotic soccer formations and opponent teams 机器学习算法应用于机器人足球阵型和对手球队的分类
Pub Date : 2010-06-28 DOI: 10.1109/ICCIS.2010.5518540
B. Faria, Luis Paulo Reis, N. Lau, Gladys Castillo
Machine Learning (ML) and Knowledge Discovery (KD) are research areas with several different applications but that share a common objective of acquiring more and new information from data. This paper presents an application of several ML techniques in the identification of the opponent team and also on the classification of robotic soccer formations in the context of RoboCup international robotic soccer competition. RoboCup international project includes several distinct leagues were teams composed by different types of real or simulated robots play soccer games following a set of pre-established rules. The simulated 2D league uses simulated robots encouraging research on artificial intelligence methodologies like high-level coordination and machine learning techniques. The experimental tests performed, using four distinct datasets, enabled us to conclude that the Support Vector Machines (SVM) technique has higher accuracy than the k-Nearest Neighbor, Neural Networks and Kernel Naïve Bayes in terms of adaptation to a new kind of data. Also, the experimental results enable to conclude that using the Principal Component Analysis SVM achieves worse results than using simpler methods that have as primary assumption the distance between samples, like k-NN.
机器学习(ML)和知识发现(KD)是具有几个不同应用的研究领域,但它们都有一个共同的目标,即从数据中获取更多和新的信息。在RoboCup国际机器人足球比赛的背景下,本文介绍了几种机器学习技术在对手识别和机器人足球阵型分类中的应用。机器人世界杯国际项目包括几个不同的联赛,由不同类型的真实或模拟机器人组成的球队按照一套预先制定的规则进行足球比赛。模拟2D联赛使用模拟机器人,鼓励对高级协调和机器学习技术等人工智能方法的研究。使用四个不同的数据集进行的实验测试使我们能够得出结论,支持向量机(SVM)技术在适应新类型数据方面比k近邻、神经网络和核Naïve贝叶斯具有更高的准确性。此外,实验结果表明,使用主成分分析支持向量机的结果比使用简单的方法(以样本之间的距离作为主要假设,如k-NN)的结果更差。
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引用次数: 45
Vision aided motion estimation for unmanned helicopters in GPS denied environments 无GPS环境下无人直升机视觉辅助运动估计
Pub Date : 2010-06-28 DOI: 10.1109/ICCIS.2010.5518578
F. Lin, Ben M. Chen, Tong-heng Lee
Determining the motion of an unmanned aerial vehicle in GPS-denied environments is a challenging work. In this paper, we present a systematic design and implementation of a vision aided motion estimation approach for an unmanned helicopter in such a condition. A hierarchical vision scheme is proposed to detect a structured landmark, and find the correspondence between the 3D reference points and the projected 2D image points. Based on the obtained correspondence, a motion estimation scheme is presented to compute the relative position and velocity of the vehicle with respect to the local reference. The robust and accurate estimates are achieved by using the Kalman filter fusing the vision information with outputs of the inertial measurement unit (IMU). The robustness and efficiency of the proposed motion estimation approach is verified by using the data collected in ground and flight tests.
在无gps环境中确定无人机的运动是一项具有挑战性的工作。在本文中,我们提出了一个系统的设计和实现的视觉辅助运动估计方法的无人直升机在这种情况下。提出了一种分层视觉方案来检测结构地标,并找到三维参考点与投影二维图像点之间的对应关系。基于得到的对应关系,提出了一种运动估计方案来计算车辆相对于局部参考点的相对位置和速度。利用卡尔曼滤波将视觉信息与惯性测量单元(IMU)输出融合,实现了鲁棒性和精度估计。利用地面和飞行试验数据验证了该方法的鲁棒性和有效性。
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引用次数: 11
Modeling and intelligent control design of car following behavior in real traffic flow 真实交通流中汽车跟随行为建模与智能控制设计
Pub Date : 2010-06-28 DOI: 10.1109/ICCIS.2010.5518546
A. Khodayari, R. Kazemi, A. Ghaffari, N. Manavizadeh
The control of car following is essential to its safety and its operational efficiency. For this purpose, this paper builds a linear, continuous and time-delay model of car following. And then, presents a controller based on an adaptive network fuzzy inference system (ANFIS) for the car-following collision avoidance system to adaptively control the speed of the vehicle. The relative distance and relative speed to the in front car are measured and are applied to the controller. The output acceleration or deceleration rate of the controller is based on the characteristics of the vehicles. The presented ANFIS controller can solve the problems of the oscillations for final distance between the leader vehicle (LV) and the follower vehicle (FV) and their relative speed. The designed ANFIS controller is linked to the car following model. The simulation results show that the ANFIS control design is more effective and can provide a safe, reasonable, and comfortable drive than real driver.
汽车跟车控制对汽车的安全性和运行效率至关重要。为此,本文建立了一个线性、连续、时滞的汽车跟随模型。在此基础上,提出了一种基于自适应网络模糊推理系统(ANFIS)的汽车跟车避碰系统自适应控制车速的控制器。测量与前车的相对距离和相对速度,并将其应用于控制器。控制器的输出加减速速率是根据车辆的特性来决定的。所提出的ANFIS控制器可以解决前导车辆与跟随车辆之间的最终距离和相对速度的振荡问题。所设计的ANFIS控制器与汽车跟随模型相连接。仿真结果表明,与真实驾驶员相比,ANFIS控制设计更加有效,能够提供安全、合理、舒适的驾驶体验。
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引用次数: 26
Electric load forecasting by SVR with chaotic ant swarm optimization 基于混沌蚁群优化的SVR电力负荷预测
Pub Date : 2010-06-28 DOI: 10.1109/ICCIS.2010.5518572
Wei‐Chiang Hong, Chien-Yuan Lai, Wei-Mou Hung, Yucheng Dong
Support vector regression (SVR) has revealed the strong potential in accurate electric load forecasting, particularly by employing effective evolutionary algorithms to determine suitable values of its three parameters. Based on previous research results, these employed evolutionary algorithms themselves also have drawbacks, such as premature convergence, slowly reaching the global optimal solution, and trapping into a local optimum in parameters determination of a SVR model. This paper presents a short-term electric load forecasting model which applies a novel algorithm, namely chaotic ant swarm optimization (CAS), to improve the forecasting performance by searching suitable parameters combination in a SVR forecasting model. The proposed CAS combines with the chaotic behavior of single ant and self-organization behavior of ant colony in the foraging process to overcome premature local optimum. The empirical results indicate that the SVR model with CAS (SVRCAS) results in better forecasting performance than the other methods, namely SVRCPSO (SVR with chaotic PSO), SVRCGA (SVR with chaotic GA), regression model, and ANN model.
支持向量回归(SVR)在准确预测电力负荷方面显示出强大的潜力,特别是通过采用有效的进化算法来确定其三个参数的合适值。从以往的研究结果来看,这些采用的进化算法本身在SVR模型的参数确定中也存在过早收敛、达到全局最优解速度慢、陷入局部最优等缺点。本文提出了一种短期电力负荷预测模型,该模型采用混沌蚁群优化算法,通过在支持向量回归预测模型中搜索合适的参数组合来提高预测性能。该算法将蚁群觅食过程中的混沌行为和蚁群的自组织行为相结合,克服了蚁群觅食过程中过早的局部最优行为。实证结果表明,结合CAS的SVR模型(SVRCAS)的预测效果优于SVRCPSO (SVR with chaotic PSO)、SVRCGA (SVR with chaotic GA)、回归模型和ANN模型。
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引用次数: 7
Comparison of EM algorithm and particle swarm optimisation for local model network training 局部模型网络训练中EM算法与粒子群算法的比较
Pub Date : 2010-06-28 DOI: 10.1109/ICCIS.2010.5518547
C. Hametner, S. Jakubek
Local model networks (LMNs) offer a versatile structure for the identification of nonlinear static and dynamic systems. In this paper an algorithm for the construction of a tree-structured LMN with axis-oblique partitioning using particle swarm optimisation (PSO) is presented. The PSO algorithm allows the optimisation of arbitrary performance criteria but is only used for a certain subtask which helps to reduce the search space for the evolutionary algorithm very effectively. A comparison using an Expectation-Maximisation (EM) algorithm is presented. The differences and advantages of the LMN with PSO and the EM algorithm, respectively, are highlighted by means of an illustrative example. The practical applicability of the proposed LMN with particle swarm optimisation is demonstrated using real measurement data of an internal combustion engine.
局部模型网络(LMNs)为非线性静态和动态系统的辨识提供了一种通用的结构。本文提出了一种利用粒子群优化(PSO)构造具有轴-斜划分的树结构LMN的算法。粒子群算法允许任意性能标准的优化,但只用于特定的子任务,这有助于有效地减少进化算法的搜索空间。利用期望最大化(EM)算法进行了比较。通过一个算例,突出了基于粒子群算法的LMN和基于EM算法的LMN的区别和优点。通过内燃机实测数据验证了粒子群优化LMN的实用性。
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引用次数: 2
Optimization and integration of electronic identity authentication using a biometric indicator and RFID 使用生物识别指示器和RFID的电子身份认证的优化和集成
Pub Date : 2010-06-28 DOI: 10.1109/ICCIS.2010.5518565
Narges Peyravi, S. Jafari
In this article, individual's biometric index, radio frequency identification (RFID), and image processing are brought together in order to offer a new model of identity authentication. The suggested system has been designed in two phases: producing identity authentication card and identity confirmation. The individual's biometric image are put on a contact-less card equipped with an RFID tag and for each identity authentication, the data on the card are compared with the online biometric image. If the individual's identity is authenticated, then there will be no need for him/her to punch in the personal information since his/her information will be retrieved from the database through their electronic personal code (EPLC).
本文将个人的生物特征指数、射频识别(RFID)和图像处理结合起来,提出了一种新的身份认证模型。该系统的设计分为两个阶段:身份认证卡的制作和身份确认。个人的生物特征图像被放在一个配有RFID标签的非接触式卡片上,每次身份认证时,卡上的数据都会与在线生物特征图像进行比较。如果个人的身份得到认证,他/她就不需要输入个人信息,因为他/她的信息将通过他们的电子个人代码(EPLC)从数据库中检索。
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引用次数: 0
Football scientia- an automated tool for professional soccer coaches 足球科学-专业足球教练的自动化工具
Pub Date : 2010-06-28 DOI: 10.1109/ICCIS.2010.5518568
P. Abreu, José Moura, Daniel Castro Silva, Luis Paulo Reis, J. Garganta
A soccer game can be seen as a confrontation between two teams of agents where each player, communicating with his teammates, try to interpret in the best way as possible the game situations, achieving its main goals. Today the most important factors in a soccer clubs life and in its coach success are the game results they achieve. They represent the success of the club and in many cases the coachs future. Because of that club coaches usually use automated tools to measure their teams performance all over a soccer competition. Based only in Cartesian coordinates and in a sequential time frame analysis, this research work presents an automatic tool capable to calculate many technical aspects in a soccer match. For the validation tool process, games of simulation 2d RoboCup international competition were used. The results achieved were quite satisfactory. In what concerns to the set of statistics collected more than 92% of the total events were detected and only for the shot event this number dropped to between 74% and 85%. The future work will be concerned in incorporating this project with a real time tracking system and increasing the number of technical aspects calculated by the system.
足球比赛可以被看作是两支代理团队之间的对抗,其中每个球员都与队友沟通,试图以最好的方式解释比赛情况,实现其主要目标。今天,足球俱乐部的生活和教练的成功最重要的因素是他们取得的比赛成绩。他们代表着俱乐部的成功,在很多情况下也代表着教练的未来。正因为如此,俱乐部教练通常使用自动化工具来衡量他们球队在足球比赛中的表现。仅基于笛卡尔坐标和顺序时间框架分析,本研究工作提出了一种能够计算足球比赛中许多技术方面的自动工具。在验证工具过程中,采用了模拟2d RoboCup国际比赛的游戏。取得了令人满意的结果。在收集的统计数据集中,超过92%的事件被检测到,仅对于射击事件,这一数字降至74%至85%之间。未来的工作将是将这个项目与实时跟踪系统结合起来,并增加系统计算的技术方面的数量。
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引用次数: 6
Particle swarm optimization identification of IPMC actuator using fuzzy NARX model 基于模糊NARX模型的IPMC执行器粒子群优化辨识
Pub Date : 2010-06-28 DOI: 10.1109/ICCIS.2010.5518573
H. Anh
In this paper, a novel inverse fuzzy NARX model is used for modeling and identifying the IPMC-based actuator's inverse dynamic model. The highly nonlinear features of the IPMC-based actuator are thoroughly modeled based on the inverse fuzzy NARX model-based identification process using experimental input-output training data. This paper proposes the novel use of a modified particle swarm optimization (MPSO) to generate the inverse fuzzy NARX (IFN) model for a highly nonlinear IPMC actuator system. The results show that the novel inverse fuzzy NARX model optimized by MPSO yields outstanding performance and perfect accuracy.
本文采用一种新的逆模糊NARX模型对基于ipmc的执行器的逆动力学模型进行建模和辨识。利用实验输入输出训练数据,采用基于逆模糊NARX模型的辨识过程,对基于ipmc的执行器的高度非线性特征进行了全面建模。针对高度非线性的IPMC作动器系统,提出了一种新的改进粒子群算法(MPSO)来生成逆模糊NARX (IFN)模型。结果表明,经MPSO优化的新型逆模糊NARX模型具有优异的性能和较好的精度。
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引用次数: 2
期刊
2010 IEEE Conference on Cybernetics and Intelligent Systems
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