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International Conference on computer Modeling and Simulation, UKSIM

作者： Myo Thant Kyaw Zaw Ye Kyaw Myat Thu Si Thu Thant Sin Mandalay Division Defence Services Science and Technology Research Center PyiOoLwin Myanmar Department of Informatics and Computer Software System National Research University of Electronic Technology Zelenograd Moscow Russia Department of Automatic Control Systems Bauman Moscow State Technical University Moscow Russia Dept. of Comput. Sci. Nat. Res. Univ. of Electron. Technol. Zelenograd Russia

ISBN: (纸本)9781509008896

This paper studies one particular aspect of providing communication security: firewall technology. This article provides a security framework in the form of packet filtering model within the firewall technology system and its components can be designed and evaluated. This paper introduces a reference model based on packet filtering firewall technology. All components are governed by a centralized security policy and they can be deployed in a distributed fashion to achieve scaling. This packet filtering firewall design is proven technology that provides confidentiality, integrity and availability in own information and network resources. The required design implement to set-up packet filtering firewall for network to protect and unauthorized access to our network. We describe the filtering process design depends on its underlying network technologies. The resulting security mechanism can be used as a bastion-host in the construction of firewall system.

关键词： Computational modeling Filtering Transport protocols computers Informatics Software

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Learning-based control Strategies for Hybrid Electric Vehicles

Learning-based Control Strategies for Hybrid Electric Vehicl...

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Conference on control Applications

作者： Sascha Geulen Martina Josevski Johanna Nellen Janosch Fuchs Lukas Netz Benedikt Wolters Dirk Abel Erika ábrahám Walter Unger Department of Computer Science RWTH Aachen University Germany Institute of Automatic Control RWTH Aachen University Germany

ISBN: (纸本)9781479977970

Hybrid electric vehicles use control strategies to distribute the torque requested by the driver between the internal combustion engine and the electrical motor. Many different types of control strategies have been proposed, but in general it is impossible to determine which control strategy performs best if the future driving conditions are unknown. In this paper, we introduce two learning-based control strategies which use an arbitrary set of basic control strategies in order to minimize the fuel consumption of the hybrid electric vehicle. Our simulation results show that the fuel consumption of the learning-based control strategies are comparable to the fuel consumption of the best basic control strategy in the set even without a priori knowledge of the driving conditions.

关键词： engine electrical driving conditions

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Event-based control for IPTD processes with simple tuning methods

Event-based control for IPTD processes with simple tuning me...

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Mediterranean Conference on control and Automation (MED)

作者： ángel Ruiz Jorge E. Jiménez José Sánchez Sebastián Dormido Department of Computer Science and Numerical Analysis University of Córdoba (UCO) Spain Department of Computer Science and Automatic Control Spanish University of Distance Education (UNED) Spain

The event-based control of Integrator Plus Time Delay (IPTD) processes is investigated in this study. A two Degree-Of-Freedom (2-DOF) structure with simple tuning methods is proposed to cope with the set-point tracking and the load disturbance rejection tasks. A stability analysis is conducted and a simple tuning methodology is provided. Simulation results prove the effectiveness of the approach.

关键词： Tuning Process control Stability analysis control systems Generators Context Delays

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A fuzzy model for supporting the diagnosis of lumbar disc herniation 15

A fuzzy model for supporting the diagnosis of lumbar disc he...

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15th IEEE International Conference on Bioinformatics and Bioengineering, BIBE 2015

作者： Ranković, Vesna Milanković, Ivan Peulić, Miodrag Filipović, Nenad Peulić, Aleksandar Department or Applied Mechanics Aid Automatic Control Faculty of Engineering University of Kragujevac Serbia Research and Development Center for Bioengineering BioIRC Kragujevac Serbia Faculty of Medical Science University of Kragujevac Serbia Clinical Center Kragujevac Department for Neurosurgery Kragujevac Serbia

ISBN: (纸本)9781467379830

This paper describes the application of adaptive neuro-fuzzy inference architecture for supporting the diagnosis of lumbar disc herniation. The fuzzy system has been trained with the backpropagation gradient descent method in combination with the least squares method. A total of 38 patients have been divided into training and testing data sets. The performance of the fuzzy model has been evaluated in terms of classification accuracies and the results of the simulation confirmed that the proposed fuzzy approach has potential in supporting the diagnosis of lumbar disc herniation. © 2015 IEEE.

关键词： Least squares approximations

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An ADMM + consensus based distributed algorithm for dynamic economic power dispatch in smart grid 34

An ADMM + consensus based distributed algorithm for dynamic ...

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34th Chinese control Conference, CCC 2015

作者： Xing, Hao Lin, Zhiyun Fu, Minyue Department of Control Science and Engineering Zhejiang University 38 Zheda Road Hangzhou China College of Electrical Engineering Zhejiang University 38 Zheda Road Hangzhou China School of Electrical Engineering and Computer Science University of Newcastle NSW Australia State Key Laboratory of Industrial Control Technology 38 Zheda Road Hangzhou China

ISBN: (纸本)9789881563897

In this paper, we propose a distributed algorithm for the dynamic economic dispatch problem (DEDP) in a smart grid scenario. Different from the static economic dispatch problem (SEDP), the DEDP aims at minimizing the aggregate operating costs of a group of generators over a time period with ramp rate constraints. The proposed algorithm is based on the average consensus algorithm on undirected graphs and the alternating direction method of multipliers (ADMM). Our algorithm is distributed in the sense that no leader or master nodes are needed, while all the nodes (generators) conduct local computation and merely communicate with their neighbors. Convergence analysis shows that the proposed algorithm converges to the optimal solution. © 2015 Technical Committee on control Theory, Chinese Association of Automation.

关键词： Distributed Convex Optimization Dynamic Economic Dispatch Economic Dispatch Smart Grid

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Real-time and model-free object tracking using particle filter with Joint Color-Spatial Descriptor

Real-time and model-free object tracking using particle filt...

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IEEE/RSJ International Conference on Intelligent Robots and Systems

作者： Shile Li Seongyong Koo Dongheui Lee Chair of Automatic Control Engineering Department of Electrical Engineering and Computer Engineering Technische Universitat Munchen Munich Germany Autonomous Intelligent Systems (AIS) Group Computer Science Institute VI University of Bonn Germany

This paper presents a novel point-cloud descriptor for robust and real-time tracking of multiple objects without any object knowledge. Following with the framework of incremental model-free multiple object tracking from our previous work [5][7][6], 6 DoF pose of each object is firstly estimated with input point-cloud data which is then segmented according to the estimated objects, and incremental model of each object is updated from the segmented point-clouds. Here, we propose Joint Color-Spatial Descriptor (JCSD) to enhance the robustness of the pose hypothesis evaluation to the point-cloud scene in the particle filtering framework. The method outperforms widely used point-to-point comparison methods, especially in the partially occluded scene, which is frequently happened in the dynamic object manipulation cases. By means of the robust descriptor, we achieved unsupervised multiple object segmentation accuracy higher than 99%. The model-free multiple object tracking was implemented by using a particle filtering with JCSD as a likelihood function. The robust likelihood function is implemented with GPU, thus facilitating real-time tracking of multiple objects.

关键词： Data models Robustness Adaptation models Object tracking Three-dimensional displays Image color analysis Real-time systems

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Characterization and tuning of predictive SSOD-PI controllers

Characterization and tuning of predictive SSOD-PI controller...

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Mediterranean Conference on control and Automation (MED)

作者： Ángel Ruiz Jorge E. Jiménez José Sánchez Sebastián Dormido Department of Computer Science and Numerical Analysis University of Córdoba (UCO) Spain Department of Computer Science and Automatic Control Spanish University of Distance Education (UNED) Spain

This work proposes an event-based PI control scheme focused on FOPTD (First Order Plus Time Delay) processes with simple tuning methods. The scheme, called for short predictive SSOD-PI or PSSOD (Predictive Symmetric Send On Delta)-PI, which only considers two degree of freedom to determine the expected rate of events as well as the set-point and load disturbance rejection responses. The event-based system is characterized by defining its architecture, a stability analysis, and by providing simple ad-hoc tuning rules. Simulation results prove the effectiveness of the approach.

关键词： Tuning Indexes Process control Stability analysis Generators Mathematical model control systems

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Stability of output event-based control systems through quadratic trigger functions

Stability of output event-based control systems through quad...

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International Conference on Emerging Technologies and Factory Automation (ETFA)

作者： Ernesto Aranda-Escolastico María Guinaldo Sebastián Dormido Department of Computer Science and Automatic Control Universidad Nacional de Educación a Distancia (UNED) Madrid Spain

The design of event-based controllers for systems with unknown states is investigated in this paper. The case of general quadratic triggering conditions that depend on the estimated state given by a Luenberger observer is studied. Novel frameworks are proposed for continuous and periodic event-based control providing criteria for asymptotic stability with the form of Linear Matrix Inequalities (LMIs). The frameworks are tested in simulation through a challenging system, such as the double rotary inverted pendulum.

关键词： Observers Asymptotic stability Linear systems Networked control systems Packet loss

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Recursive Identification of Hammerstein With Noisy Observations

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IFAC-PapersOnLine 2015年第28期48卷 1017-1022页

作者： Mu, Biqiang Han-Fu, Chen Wang, Le Yi Yin, George Key Laboratory of Systems and Control Institute of Systems Science AMSS Chinese Academy of Sciences Beijing100190 China Department of Electrical and Computer Engineering Wayne State University Detroit MI48202 United States Department of Mathematics Wayne State University Detroit MI48202 United States

The paper considers the recursive identification of Hammerstein systems with noisy output, while its input may or may not be corrupted by noise. The system in the latter case is usually called as EIV system. The conditions required in this paper are considerably weaker than those used in previous works, e.g., the orders of the linear subsystem are allowed to be unknown and no additional conditions are imposed on its moving average part. The nonlinearity is general in the sense that a certain class of functions is out of consideration in some previous papers. In the paper, the almost sure convergence together with convergence rate are established for the estimates for coefficients of the linear part, and then the almost sure convergence for the estimates for the nonlinearity at any given points are derived by using kernel functions. The convergence rate for the nonlinearity is also obtained for the case where the system input is available without noise. A numerical example is provided, and the simulation results are consistent with the theoretical analysis. © 2015

关键词： control nonlinearities Nonlinear systems Numerical methods Almost sure convergence Convergence rates Errors in variables Hammerstein system Kernel function Linear subsystems Noisy observations Recursive identification

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Rapid predicting the impact behaviors of marine composite laminates 1st

Rapid predicting the impact behaviors of marine composite la...

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1st International Conference on Advanced Composites for Marine engineering, ICACME 2013

作者： Qiu, Ang Zhao, Cheng Bi Tang, You Hong Lin, Wei Department of Naval Architecture and Ocean Engineering School of Civil Engineering and Transportation South China University of Technology Guangdong510641 China Centre for Maritime Engineering Control and Imaging and Centre for NanoScale Science and Technology School of Computer Science Engineering and Mathematics Flinders University SA5043 Australia

ISBN: (纸本)9783038354062

There are challenges of using composite laminates in the marine engineering, i.e., composites are frequently suffering from the effects of impaction including wave impaction, ship or other objects hitting, missiles or bullets hitting and other especially conditions. It is significant to understand the impact behaviors of laminates, in this research, the impact responses of typical laminates are investigated numerically. The delamination responses among the plies and fibre and/or matrix damage responses within the plies are simulated to understand the impaction behaviours of laminates under impaction conditions. The impact damage of composite laminates in the form of intra- and/or inter-laminar cracking is modelled by using stress-based criteria for damage initiation, and fracture mechanics technique is used to capture its evolution. Interface cohesive elements are inserted between plies with appropriate mixed-mode damage laws to predict the delamination. A group of graphite fibre/epoxy laminates with impact energies of 5, 10, 15 and 20 J, respectively, are simulated with a full scale FE model and a simplified FE model respectively. Through comparing the simulation results with each other, we find out that the impact behaviors obtained in the simplified FE model is comparable to experiments with a short computing time, but the simplified model cannot represent the properties of laminate after impact. © (2015) Trans Tech Publications, Switzerland.

关键词： Delamination

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