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第三十四届中国控制会议

作者： ZHANG Chunyan LIU Zhongxin SUN Qinglin CHEN Zengqiang Department of Automation Computer and Control Engineering Nankai University Tianjin Key Laboratory of Intelligent Robotics Computer and Control Engineering Nankai University

ISBN: (纸本)9781467374439

We focus our attention on the effectiveness of punishing defectors in the evolution of cooperation in rational populations within the threshold public goods game models. We establish two scenarios: defectors will suffer possible punishment whether the game succeeds or not, and defectors will incur punishment only when game fails. A key observation of this paper is that given this assumption, punishing free riders can significantly influence the evolution outcomes, and the results are driven by the specific components of the punishing rule. Particularly, probably punishing defectors always, not only when game fails,can be more effective for maintaining public cooperation and leads to higher total contributions. Intriguingly when defectors face punishment only when game fails, the spread and domination of cooperators can not be ensured even by sufficiently large punishment, which already brings payoff advantages of defectors over cooperators. Further, cooperators are best supported by the large punishment on defectors, and then dominate and stabilize in the population, under the premise that defectors always incur punishment regardless of whether the game ends successfully or not. We hope this work provides some intriguing hints or insights on investigating the collective behaviors by the aid of punishment mechanism.

关键词： Cooperation,Evolutionary Game Theory,Public Goods Game

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Probabilistic punishment on free riders in threshold public goods games 34

Probabilistic punishment on free riders in threshold public ...

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34th Chinese Control Conference, CCC 2015

作者： Chunyan, Zhang Zhongxin, Liu Qinglin, Sun Zengqiang, Chen Department of Automation Computer and Control Engineering Nankai University Tianjin China Tianjin Key Laboratory of Intelligent Robotics Computer and Control Engineering Nankai University Tianjin China

ISBN: (纸本)9789881563897

We focus our attention on the effectiveness of punishing defectors in the evolution of cooperation in rational populations within the threshold public goods game models. We establish two scenarios: defectors will suffer possible punishment whether the game succeeds or not, and defectors will incur punishment only when game fails. A key observation of this paper is that given this assumption, punishing free riders can significantly influence the evolution outcomes, and the results are driven by the specific components of the punishing rule. Particularly, probably punishing defectors always, not only when game fails, can be more effective for maintaining public cooperation and leads to higher total contributions. Intriguingly when defectors face punishment only when game fails, the spread and domination of cooperators can not be ensured even by sufficiently large punishment, which already brings payoff advantages of defectors over cooperators. Further, cooperators are best supported by the large punishment on defectors, and then dominate and stabilize in the population, under the premise that defectors always incur punishment regardless of whether the game ends successfully or not. We hope this work provides some intriguing hints or insights on investigating the collective behaviors by the aid of punishment mechanism. © 2015 Technical Committee on Control Theory, Chinese Association of automation.

关键词： Cooperation Evolutionary Game Theory Public Goods Game

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Quantum key distribution with distinguishable decoy states

arXiv

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arXiv 2017年

作者： Huang, Anqi Sun, Shi-Hai Liu, Zhihong Makarov, Vadim Institute for Quantum Information State Key Laboratory of High Performance Computing College of Computer National University of Defense Technology Changsha410073 China Institute for Quantum Computing University of Waterloo WaterlooONN2L 3G1 Canada Department of Electrical and Computer Engineering University of Waterloo WaterlooONN2L 3G1 Canada College of Science National University of Defense Technology Changsha410073 China College of Mechatronic Engineering and Automation National University of Defense Technology Changsha410073 China Russian Quantum Center MISIS University Moscow Department of Physics and Astronomy University of Waterloo WaterlooONN2L 3G1 Canada

The decoy state protocol has been considered to be one of the most important methods to protect the security of quantum key distribution (QKD) with a weak coherent source. Here we test two experimental approaches to generating the decoy states with different intensities: modulation of the pump current of a semiconductor laser diode, and external modulation by an optical intensity modulator. The former approach shows a side-channel in the time domain that allows an attacker to distinguish s signal state from a decoy state, breaking a basic assumption in the protocol. We model a photon-number-splitting attack based on our experimental data, and show that it compromises the system's security. Then, based on the work of K. Tamaki et al. [New J. Phys. 18, 065008 (2016)], we obtain two analytical formulas to estimate the yield and error rate of single-photon pulses when the signal and decoy states are distinguishable. The distinguishability reduces the secure key rate below that of a perfect decoy-state protocol. To mitigate this reduction, we propose to calibrate the transmittance of the receiver (Bob's) unit. We apply our method to three QKD systems and estimate their secure key rates. Copyright © 2017, The Authors. All rights reserved.

关键词： Modulation

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Dual-Tone Radio Interferometric Positioning Systems for Multi-Target Localization Using a Single Mobile Anchor

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China Communications 2015年第1期12卷 25-35页

作者： LI Li'an WANG Yiyin MA Xiaoli CHEN Cailian GUAN Xinping Department of Automation Shanghai Jiao Tong Universityand Key Laboratory of System Control and Information ProcessingMinistry of Education of China School of Electrical & Computer Engineering Georgia Institute of Technology

In this paper, a low-cost dualtone radio interferometric positioning system using a single mobile anchor is proposed to locate multiple targets at the same time. We name it mDRIPS. In mDRIPS, each target continuously transmits a dual-tone signal with its dedicated frequencies, and the mobile anchor receives the signals at different positions along its trajectory, Neither time synchronization between the mobile anchor and the targets nor time synchronization among the targets is required. We take the instability of targets clocks into consideration and develop an ESPRIT-type algorithm to estimate frequencies of each dual-tone signal. Furthermore, the time of arrival （TOA） of each target signal is extracted from the phase estimates of the received dual-tone signals. After measuring several TOAs at different locations along the anchor＇s trajectory, each target can be located. Since the frequency difference of the two tones of each dualtone signal is designed to be smaller than the channel coherence bandwidth, the same fading effect on these two tones can be eliminated. Moreover, the integer ambiguity problem due to phase wrapping is investigated, and a localization algorithm to deal with a simplified ambiguity problem is proposed. Numerical results demonstrate the efficiency of the proposed mDRIPS.

关键词： ranging localization mobile anchor radio interferometry oscillator instability

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Elbow control using functional electrical stimulation: An experimental comparison of different control strategies 9

Elbow control using functional electrical stimulation: An ex...

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9th IFAC Symposium on Biological and Medical Systems, BMS 2015

作者： Bo, Antonio P.L. Moura, Herlandson C. Laboratory of Automation and Robotics Electrical Engineering Department University of Brasilia Campus Universitario Darcy Ribeiro Brasília70910-900 Brazil

The lack of control systems for human movement based on Functional electrical Stimulation (FES) providing satisfactory tracking performance and reduced fatigue may be one the major reasons for the limited number of such applications available today on worldwide markets. In view of this context, in this paper we present an experimental comparison of different control strategies for FES systems using discrete surface electrodes. Firstly, we have selected different algorithms for inducing and controlling joint motion, such as PID with anti-windup, adaptive PID, feedforward control, and controllers that employ muscle coactivation maps. Those control strategies were then evaluated on an experimental protocol in which elbow motion was controlled in the horizontal plane by means of stimulating the major antagonist muscles that produce elbow movement. The paper presents the preliminary results obtained from trials conducted on two healthy subjects, in which, although the overall performance was satisfactory, marked difference was observed between the participants. © 2015, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.

关键词： Feedforward control

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Electronic Stuctures: Mechanically Guided Post‐Assembly of 3D Electronic Systems (Adv. Funct. Mater. 48/2018)

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Advanced Functional Materials 2018年第48期28卷

作者： Bong Hoon Kim Fei Liu Yongjoon Yu Hokyung Jang Zhaoqian Xie Kan Li Jungyup Lee Ji Yoon Jeong Arin Ryu Yechan Lee Do Hoon Kim Xueju Wang KunHyuck Lee Jong Yoon Lee Sang Min Won Nuri Oh Jeonghyun Kim Ju Young Kim Seong‐Jun Jeong Kyung‐In Jang Seungmin Lee Yonggang Huang Yihui Zhang John A. Rogers Department of Materials Science and Engineering Simpson Querrey Institute and Feinberg Medical School Center for Bio‐Integrated Electronics Northwestern University Evanston IL 60208 USA Center for Mechanics and Materials Center for Flexible Electronics Technology AML Department of Engineering Mechanics Tsinghua University Beijing 100084 China Frederick Seitz Materials Research Laboratory University of Illinois at Urbana‐Champaign Urbana IL 61801 USA Department of Civil and Environmental Engineering Mechanical Engineering and Materials Science and Engineering Northwestern University Evanston IL 60208 USA AML Department of Engineering Mechanics Center for Mechanics and Materials Tsinghua University Beijing 100084 China Division of Materials Science and Engineering Hanyang University Seoul 04763 Republic of Korea Department of Electronics Convergence Engineering Kwangwoon University Seoul 01897 Republic of Korea Multidisciplinary Sensor Research Group Electronics and Telecommunications Research Institute (ETRI) Daejeon 34129 Republic of Korea Department of Organic Materials and Fiber Engineering Department of Information Communication Materials and Chemistry Convergence Technology Soongsil University 369 Sangdo‐ro Dongjak‐gu Seoul 06978 Republic of Korea Department of Robotics Engineering Daegu Gyeongbuk Institute of Science and Technology (DGIST) Daegu 42988 Republic of Korea Department of Energy Electronics Convergence Kookmin University Seoul 02707 Republic of Korea Department of Civil and Environmental Engineering Mechanical Engineering Materials Science and Engineering Northwestern University Evanston IL 60208 USA Department of Materials Science and Engineering Department of Biomedical Engineering Department of Chemistry Department of Neurological Surgery Department of Mechanical Engineering Department of Electrical Engineering and Computer Science Simpson Querrey Institute and Feinberg Medical School Center for Bio‐Integrated Electronics Northwestern University Evanston IL 60208 USA

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Complex system optimization for economic emission load dispatch

Complex system optimization for economic emission load dispa...

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UKACC International Conference on Control (CONTROL)

作者： Haiping Ma Zhile Yang Pengcheng You Minrui Fei Department of Electrical Engineering Shaoxing University Shaoxing China Department of Control Zhejiang University Hangzhou China School of Electronics Electrical Engineering and Computer Science Queen's University Belfast Belfast UK Shanghai Key Laboratory of Power Station Automation Technology Shanghai University Shanghai China

This paper proposes a complex system optimization method to solve economic emission load dispatch. First, a real-world economic emission load dispatch is modeled as a complex system problem, and the optimization objectives include economic load dispatch, emission load dispatch and transmission network loss. Then a called BBO/complex method is introduced, which extends biogeography-based optimization to a multi-archipelago environment to suit the structure of complex systems. Finally, the proposed method is applied to the economic emission load dispatch, and the results show that it can obtain good performance for economic emission load dispatch studied in this paper, and it is a competitive algorithm for solving complex system optimization problem.

关键词： Complex systems Propagation losses Economics Power systems Optimization methods Linear programming

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Event-based state estimation of discrete-state hidden Markov models

Event-based state estimation of discrete-state hidden Markov...

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作者： Shi, Dawei Elliott, Robert J. Chen, Tongwen State Key Laboratory of Intelligent Control and Decision of Complex Systems School of Automation Beijing Institute of Technology Beijing100081 China School of Mathematical Sciences University of Adelaide SA5005 Australia Haskayne School of Business University of Calgary CalgaryAB Canada Department of Electrical and Computer Engineering University of Alberta EdmontonABT6G 1H9 Canada

The state estimation problem for hidden Markov models subject to event-based sensor measurement updates is considered in this work, using the change of probability approach. We assume the measurement updates are transmitted through wired or wireless communication networks. For the scenarios with reliable and unreliable communication channels, analytical expressions for the probability distributions of the states conditioned on all the past point- and set-valued measurement information are obtained. Also, we show that the scenario with a lossy channel, but without the event-trigger, can be treated as a special case of the reliable channel results. Based on these results, closed-form expressions for the estimated communication rates under the original probability measure are presented, which are shown to be the ratio between a weighted 1-norm and the 1-norm of the unnormalized conditional probability distributions of the states under the new probability measures constructed. Implementation issues are discussed, and the effectiveness of the results is illustrated by numerical examples and comparative simulations. © 2015 Elsevier Ltd. All rights reserved.

关键词： Hidden Markov models

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Load Forecast of Resource Scheduler in Cloud Architecture

Load Forecast of Resource Scheduler in Cloud Architecture

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2016 IEEE International Conference on Progress in Informatics and Computing

作者： Huahui Lyu Ping Li Ruihong Yan Anum Masood Bin Sheng Yaoying Luo Information Department China Southern Power Grid Department of Mathematics and Information Technology The Education University of Hong Kong Department of Computer Science and Engineering Shanghai Jiao Tong University The State Key Laboratory of Computer Science Institute of Software Chinese Academy of Sciences Department of electrical engineering and automation Shanghai Jiao Tong University

Cloud architectures have become increasing common in the IT industry and academic circle. However, most cloud architectures only focus on availability but ignore economic effectiveness. Based on Eucalyptus, this paper proposes an effective way to balance high availability and economic profits. We designed a forecast mechanism using three new modules: the forecast module, adjustment module, and collection module. The forecast module uses a set of machine learning techniques to improve forecast accuracy. We carried out a comparative experiment and the experimental results prove the efficiency of the proposed forecast mechanism.

关键词： forecast mechanism virtual machine cloud architecture machine learning

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User-friendly formal specification languages - conclusions drawn from industrial experience on model checking

User-friendly formal specification languages - conclusions d...

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International Conference on Emerging Technologies and Factory automation (ETFA)

作者： Antti Pakonen Cheng Pang Igor Buzhinsky Valeriy Vyatkin VTT Technical Research Centre of Finland Ltd. Espoo Finland Department of Electrical Engineering and Automation Aalto University Espoo Finland Computer Technologies Laboratory ITMO University St. Petersburg Russia

ISBN: (纸本)9781509013159

Formal methods - such as model checking - have definite advantages over more commonplace verification techniques. By providing proof of the analyzed systems' correctness, they are especially useful in domains that are under regulatory supervision, like the nuclear industry. The foremost challenge for wider adoption of model checking is the effort and the expertise required for formalizing functional requirements into verifiable properties. A particular challenge in verifying the application software of industrial process control systems is taking into account the different sequencing and timing issues that arise from, e.g., the dynamic behavior of the plant processes being controlled. In this paper, we review specification languages that are aimed at making formal methods more accessible. We have collected 1079 sample formal properties from practical model checking projects in the nuclear industry, and identified repeatedly occurring property types. We present our findings, and based on the sample data, evaluate the applicability of different approaches on user-friendly property specification.

关键词： Model checking Industries Timing Process control Specification languages Safety Visualization

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