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International Conference on Electrical and control engineering (ICECE)

作者： Min Wang Hui Gao Key Laboratory of Urban Stormwater System and Water Environment Ministry of Education Beijing China Department of Power Engineering School of Mechanical and Electronic Control ngineering Beijing jiaotong university Beijing China

In view of the actual processing conditions of leachate treatment of the Inner Mongolia's municipal solid wastes plant, the paper studies new leachate treatment process integration, in order to reduce cost, improve leachate's overall biodegradability, remove high concentration organic contaminants and ammonia-N. The experiment device of the process integration include: electro-coagulation + H 2 O 2 process, plain sedimentation process, activated sludge process and catalytic electrolysis process, and the COD and NH 3 -N concentration of the effluent of plain sedimentation and catalytic electrolysis at different times are monitored. According to the dynamic experiments, it was concluded that the designed process integration is feasible to treat the leachate of the Inner Mongolia's municipal solid wastes plant. The COD and NH 3 -N concentration of the effluent of the process integration is 30mg/L, 25mg/L respectively, under the concentration limit of the Solid Waste Landfill Pollution control Standard. The total operating cost of the process integration was 5.531 yuan/t, including energy consumption, iron consumption, pharmacy dosing expenses, electrode fee was not included.

关键词： Educational institutions Solids Monitoring Electrochemical processes Iron Effluents Neodymium

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Training ANFIS system with DE algorithm

Training ANFIS system with DE algorithm

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International Workshop on Advanced Computational Intelligence (IWACI)

作者： Allahyar Z. Zangeneh Mohammad Mansouri Mohammad Teshnehlab Ali K. Sedigh Computer Engineering Department Science and Research Branch Islamic Azad university of Tehran Iran Intelligent System laboratory (ISLAB) Control Department K. N. Toosi University of Technology Tehran Iran Advanced Process Automation & Control laboratory (APAC) Control Department K. N. Toosi University of Technology Tehran Iran

In this study, a new type of training the adaptive network-based fuzzy inference system (ANFIS) is presented by applying different types of the Differential Evolution branches. The TSK-type consequent part is a linear model of exogenous inputs. The consequent part parameters are learned by a gradient descent algorithm. The antecedent fuzzy sets are learned by basic differential evolution (DE/rand/1/bin) and then with some modifications in it. This method is applied to identification of the nonlinear dynamic system, prediction of the chaotic signal under both noise-free and noisy conditions and simulation of the two-dimensional function. Instead of DE/rand/1/bin, this paper suggests the complex type (DE/current-to-best/1+1/bin & DE/rand/1/bin) on predicting of Mackey-glass time series and identification of a nonlinear dynamic system revealing the efficiency of proposed structure. Finally, the method is compared with pure ANFIS to show the efficiency of this method.

关键词： Vectors Adaptive systems Input variables Training Mathematical model Equations Firing

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Surface Phases of Metals on Silicon as Material for Surface engineering

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MRS Online Proceedings Library (OPL) 2011年第1期697卷 P5.28-P5.28页

作者： Alexander A. Saranin Sergey V. Rizhkov Dmitriy A. Tsukanov Victor G. Lifshits Andrey V. Zotov Kenjiro Oura Shuji Hasegawa Institute of Automation and Control Processes FEB RAS Vladivostok Russia Vladivostok State University Vladivostok Russia Department of Electronic Engineering Osaka University Suita Osaka 565 Japan Department of Physics University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan

To study structural and transport properties of the surface phases on silicon, a number of adsorbate/silicon systems on Si(100) and Si(111) surfaces has been investigated using scanning tunneling microscopy (STM), reflection-high-energy-electron diffraction (RHEED) and in-situ electrical resistance measurements. Results of investigations of formation and electrical properties of Si-Al, Si-Na, Si-Ag and Si-In surface structure are presented.

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Feasibility study for implementing model based predictive control in a Programmable electronic Device

Feasibility study for implementing model based predictive co...

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International Conference on control and automation (ICCA)

作者： Miguel R. Celi Cesar De Prada Thamara Villegas Daniel Sarabia Asdrubal Aguilera Industrial Technology Department Simón Bolívar University Caracas Venezuela System Engineering and Automatic Control Department University of Valladolid Valladolid Spain Electrical and Electronic Circuit Department Simón Bolívar University Caracas Venezuela

In this paper, the authors studied the implementation issues of an explicit model predictive controller on a programmable electronic device. For the implementation of this controller is considered the programmable controller architecture, hardware and software level, so the performance is optimized ensuring the feasibility of functioning. The main outcome is a series of recommendations to help implement the explicit MPC, which are applied to design the MPC of a DC-DC converter.

关键词： Microcontrollers Process control Performance evaluation Field programmable gate arrays Mathematical model Clocks Predictive models

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Resource management using dynamical load prediction and multiprocessor cooperation

Resource management using dynamical load prediction and mult...

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International Conference on Networked Computing and Advanced Information Management (NCM)

作者： Xiuyan Guo Wu Zhang Jinlin Wang Gang Wu Joint Laboratory of Network Communication System & Control Department of Automation University of Science and Technology Hefei Anhui China National Network New Media Engineering Research Center Institute of Acoustics Chinese Academy and Sciences Beijing China

Resource management is a complicated problem in multiprocessor system. When tasks with real-time characteristic are scheduled on processor resource constraints such as CPU and memory have to be met, however, it is usually difficult for a system to ensure load balancing and resource constraints simultaneity. In order to handle this problem lots of algorithms have been brought forward. In this paper, a load balancing policy is proposed to manage and integrate processing resource of multiprocessor system which is used to send packets of packets flows on time. The policy dynamically predicts the wait time before a packet to be processed based on the load of the processor and the timestamp of the packet, and decides the migration of packet between processors to guarantee that the packets can be processed before deadline. This policy can not only increase the multiprocessor utilization but also enhance the capacity of the system against the jitter of load by packets migration between the processors as well. We use simulation experiment to show that the policy can reduce the possibility of packets delay and increase the concurrency of flows that the system can serve.

关键词： Load management Multicore processing Delay Real time systems Resource management Load modeling Jitter

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Introduction

Communications and Control Engineering

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Communications and control engineering 2011年第9780857292551期 1-15页

作者： Sun, Zhendong Ge, Shuzhi Sam College Automation Science & Engineering Center for Control and Optimization South China University of Technology Guangzhou510640 China Department of Electrical and Computer Engineering The National University of Singapore Singapore Singapore Robotics Institue and Institute of Intelligent Systems and Information Technology University of Electronic Science and Technology of China Chengdu China

Chapter 1 briefly introduces the problem formations and the organization of the book. In particular, given a feasible set of switching signals, the concepts of stability and stabilizability are introduced, and the related problems of stability and stabilization are briefly formulated and discussed. Examples and simulations are provided to exhibit the primary features of the problems with various switching mechanisms. © 2011, Springer-Verlag London Limited.

关键词： Stabilization

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A multi-class pattern recognition method for motor imagery EEG data

A multi-class pattern recognition method for motor imagery E...

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IEEE International Conference on systems, Man and Cybernetics

作者： Yonghui Fang Minyou Chen Robert F Harrison State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing China School of Electronic and Information Engineering Southwest University Chongqing China Department of Automatic Control & Systems Engineering University of Sheffield Sheffield UK

The Common Spatial Patterns (CSP) algorithm is useful for calculating spatial filters for detecting event-related desynchronization (ERD) for use in ERD-based brain-computer interfaces (BCIs). However, basic CSP is a supervised algorithm suited only to two-class discrimination; it is unable to solve multiclass discrimination problems. This paper proposes a new method named the binary common spatial patterns (BCSP) algorithm to extend the basic CSP method to multi-class recognition. Our method arranges the spatial filters and Fisher classifiers in the form of a binary tree whereby N - 1 spatial filters and N - 1 Fisher classifiers are calculated for N class recognition. This is fewer than must be calculated in other methods (e.g. one-versus-rest, OVR). This makes the overall classification procedure less redundant. Simulation results show that BCSP has better performance than the OVR scheme and outperforms the three best teams in the 2008 BCI-competition.

关键词： Spatial filters Arrays Feature extraction Electroencephalography Band pass filters Covariance matrix Filtering algorithms

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Assimilation of Wireless Sensor Networks and remote microcomputer laboratories

Assimilation of Wireless Sensor Networks and remote microcom...

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Proceedings of the International Convention MIPRO

作者： Darko Fudurić Drago Cmuk Petar Knežević Saša Mrvoš Department of Control and Computer Engineering Faculty of Engineering and Computing University of Zagreb Zagreb Croatia Končar-Electronics and Informatics Inc. Zagreb Croatia Department of Fundamentals of Electrical Engineering and Measurements Faculty of Electrical Engineering and Computing University of Zagreb Zagreb Croatia Department of Electronic System and Information Processing Faculty of Electrical Engineering and Computing University of Zagreb Zagreb Croatia

Emergence of Web 2.0 technologies became a trigger for a revolution that goes far beyond the Web. For an average student Web was transformed from a steady, accessible source of information into a place of action and viable exchange of knowledge - a kind of a virtual classroom. Students started to look for experience and a touch to reality online, and this is where remote laboratories come in place. Such laboratories became an inevitable need in electrical and computer engineering courses dealing with microcomputers. This paper presents an overview of available architectures of microcomputer laboratories used today and addresses their most important limitations. Moreover, an important extension of such architecture is proposed allowing support for remote Wireless Sensor Network (WSN) laboratory. Different aspects of compatibility between microcomputer laboratories and WSNs have been examined to allow creation of an general extension model. With additional effort and adaptation, WSN nodes may serve remote clients as an economic and accessible microcomputer laboratory providing invaluable hands-on experience and a motivation for a course using it.

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Robust Filtering for Networked systems with Random Transmission Delays and Packet Dropouts

Robust Filtering for Networked Systems with Random Transmiss...

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2011 American control Conference (ACC)

作者： Yunze Cai Hua O. Wang Kazuo Tanaka Xiaoming Xu Department of Mechanical Engineering Boston University Boston MA USA Department of Automation and Key Laboratory of System Control and Information Processing Ministry of Education of China Shanghai Jiaotong University Shanghai China Department of Mechanical Systems and Intelligent Systems University of Electro-Communications Tokyo Japan Department of Automation Shanghai Jiaotong University Shanghai China University of Shanghai for Science and Technology Shanghai China

This paper addresses a robust H_(infinity) filtering problem for networked systems that are subject to both random transmission delays and packet dropouts. To start with, a data transmission model is established by employing random series with Bernoulli distributions. A sufficient condition for robust stability with H_(infinity) constraints is derived for the filtering error system. The robust filter is designed in terms of the feasibility of a linear matrix inequality (LMI). The numerical examples are provided to show the effectiveness of the data transmission model and the proposed filtering method.

关键词： Delay Filtering Robustness Data models Symmetric matrices Hidden Markov models Markov processes

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Dynamic RED: a modified random early detection

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Journal of Computational Information systems 2011年第14期7卷 5243-5250页

作者： Cheng, Minjuan Wang, Hao Yan, Liming School of Electronic and Communication Engineering Shenzhen Polytechnic Shenzhen 518055 China Department of Automation Shanghai Jiao Tong University Ministry of Education of China Shanghai 200240 China Key Laboratory of Advanced Control and Optimization for Chemical Processes Ministry of Education of China Shanghai 200237 China

Random early detection (RED) is an effective active queue management (AQM) algorithm controlling network congestion by average queue length. However, RED is over-sensitive to congestion degrees and its parameters. To overcome RED's shortcomings, this paper proposes a dynamic RED algorithm named DRED for enhanced performance. Two improvements are made: (1) DRED replaces the linear packet dropping function with a nonlinear function, which gives differential reactions to different network conditions. (2) Adaptation rule is introduced for the maximum packet dropping probability to stabilize the average queue length. By simulation comparisons, the results verify that DRED outperforms the original RED algorithm in terms of stability and robustness. DRED achieves stable average queue length and predictable queuing delay independent of number of TCP connections. Moreover, DRED solves RED's problems without introducing additional variable or much extra overhead. © 2011 Binary Information Press December, 2011.

关键词： Queueing theory

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