Conference Program of WCICA 2012

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Conference Program WCICA 2012 shape control. ◁ PFrB-25 Research on Intelligent Control Methods of Iron Ore Rotary Kiln Pellets Sintering Process, pp.501–505 Wang, Jie-sheng Ren, Xiudong Univ. of Sci. & Tech. Liaoning Univ. of Sci. & Tech. Liaoning The iron ore rotary kiln pellets sintering production system is a typical complex nonlinear multivariable process with strongly coupling and large time delays. The up-to-the-minute research results of integrated modeling and optimized operation of rotary kiln pellets sintering production process based on intelligent control methods. It mainly includes the soft-sensor modeling, working state recognition and intelligent control strategy. In the end the existent problems and future research directions in the rotary kiln control field is concluded. ◁ PFrB-26 Non-Stationary Type-2 Fuzzy Sets, pp.512–517 Zhao, Liang Henan Univ. of Tech. In this paper, we introduce non-stationary type-2 fuzzy set (NST2FS), which is the important extension of its type-1 counterpart. NST2FS has distinct characteristics with uncertain membership function and alteration over time. According to different mathematical formalizations of its instantaneous T2FS (IT2FS), NST2FS can be divided into two categories, i.e. homogeneous and heterogeneous counterparts. The paper concentrates on homogeneous continuous NST2FS (HCNST2FS), of which each IT2FS is continuous. A plane representation theorem is the cogent tool to deal with these basic set operators (intersection, union and complement) and approximate fuzzy reasoning. Some s- elected important properties are also proved in the process. On this basis, homogeneous continuous nonstationary type-2 fuzzy logic system (HCNST2FLS) is discussed in the following section, which focuses on the elaboration of its calculation procedure. One numerical case, that is, blurred ’or’logic operator, is carried out in order to evaluate the superior performance of our proposing system. ◁ PFrB-27 A Discrete Artificial Bee Colony Algorithm for the Blocking Flow Shop Scheduling Problem, pp.518–522 Deng, Guanlong Cui, Zhe Gu, Xingsheng East China Univ. of Sci. & Tech. East China Univ. of Sci. & Tech. East China Univ. of Sci. & Tech., China This paper presents a discrete bee colony algorithm for solving the blocking flow shop scheduling problem with makespan criterion. Based on the idea of iterated greedy algorithm, some new schemes for employed bee, onlooker bee and scout bee are designed. The performance of the proposed algorithm is tested on the well-known benchmark set of Taillard, and the computational results validate the effectiveness of the discrete bee colony algorithm in comparison with two recently proposed state-of-the-art algorithms. In addition, some new best known solutions for the benchmark set are provided for the considered problem. ◁ PFrB-28 Application of Fuzzy Clustering Model in Groundwater Runoff Zones Classification and Indicator Correlation Analysis, pp.528–531 DOAN, THANH NGHI Yu, Xuefeng Zhang, Zhongyuan heilongjiang Univ. heilongjiang Univ. heilongjiang Univ. Abstract - There are many factors influencing the groundwater runoff strength(GRS) classification. Some factors have positive correlation, the others have negative correlation. In order to classify GRS exactly,it is necessery to find the correlation between the indicators and the GRS. In this paper ,a new method of correlation analysis is proposed based on the fuzzy clustering model(FCM). With real cases, we discuss the application of FCM and obtain satisfactory results ◁ PFrB-29 A Method of UUV Path Planning with Biased Extension in Ocean Flows, pp.532–537 Yan, Zheping Zhao, Yufei Zhang, Honghan Harbin Engineering Univ. Harbin Engineering Univ. Harbin Engineering Univ. The problem of path planning for UUV in time-varying ocean flows is considered. A method of path planning with biased extension is proposed to guarantee that the path is feasible and optimal. Considering the anisotropy of ocean flows and the motion constraint of UUV, a simplified space is obtained after the sub-nodes are expanded in special orientation. An integrated cost function is proposed to fulfill the requirement of different missions, including the energy expenditure, travel time, and obstacle avoidance. In the end, A* based algorithm is applied for path search. Simulation results illustrate the proposed approach is simple and fast, and the path posed is feasible for trail. ◁ PFrB-30 Research of PSO Algorithm with Variable Constraints in Process System, pp.544–548 Ding, Qiang Chen, Hong Jiang, Aipeng Wang, Chun-lin Lin, Weiwei Hangzhou Dianzi Univ. Tourism College of Zhejiang Hangzhou Dianzi Univ. Hang Zhou Dian Zi Ke Ji Da Xue Hangzhou Dianzi Univ. To solve chemical problems with variable and nonrigid constraints, a method based on particle swarm optimization (PSO) algorithm was p- resented. By mathematical analysis and transform, the variable constraints were regard as an item to be optimized. Then the item multiplied by penalty and combined with the primary objective function. So the primary problem was transferred to the multi-objective function, and can be solved by multi-objective PSO algorithm. With problems solved by multi-objective PSO and analysis of the solutions related with variable constraints, reasonable solution and optimal scheme can be obtained. The proposed method was used to optimize a chemical design problem and a parameter estimation problem. The results demonstrate that the proposed method is effective. ◁ PFrB-31 A New Approach to Solve the Mission Assignment Problem for Cooperative UCAVs Using Immune Particle Swarm Optimizations, pp.549–554 WANG, GUODONG Deng, Zhidong Shenyang aircraft design & research Inst. Tsinghua Universtiy, China This paper first builds a mathematical model for the mission assignment problem (MAP) of cooperative multiple uninhabited combat aerial vehicles (UCAVs). To address challenges posed by the specific MAP problem, we propose a new immune particle swarm optimization (NIP- SO) approach through incorporating immunity memory, diversity clone, and immune selection in artificial immune algorithm into standard PSO. The simulation results achieved on a typical scenario show that our NIPSO approach for multiple UCAVs is capable of substantially speeding up convergence and has stronger ability to find the global optimum than that of classical PSO. The MAP solution for cooperative UCAVs is significantly improved. ◁ PFrB-32 a Novel Model for Selecting Parameters of SVM with RBF Kernel, pp.566–569 YAN, Zhi-gang China Univ. of mining & Tech. Based on the viewpoint of similarity measurement, researched the influences of the error penalty parameter C and the RBF kernel parameter σon support vector machine’s generalization ability. As the result, the parameter C adjust the similarities between the sample categories and σadjust the similarities among the samples, C and σmutually restrict and balance each other in a certain range, the shape of the optimal parameter range like a fan, the more reasonable parameters’value locate at the center of the fan, where the values of C and σare smaller. A novel method for selecting parameters was presented, firstly, roughly grid searched the reasonable parameter range with a big step size, then selected the optimized parameters in the delineated area through 126
WCICA 2012 Book of Abstracts: Friday Sessions bilinear-grid search method finely. Experiment results show that the improved method has a better performance both at accuracy and speed, moreover, which can avoid excessive values and enhance the stability. ◁ PFrB-33 Fundamental Issues of Networked Decoupling Control Systems, pp.827–830 Huang, Congzhi Bai, Yan North China Electric Power Univ.,Beijing, P.R.China north china electric power Univ. The concept of networked decoupling control system (NDCS for short) is proposed and its fundamental issues are investigated, including its configurations, network-induced delays, and data packet dropout. With the proposed concepts of node-device connectivity matrix and network transmission matrix, three typical configurations of NDCSs are also p- resented and the locations of networks in the system are clearly pointed out. The proposed approach can provide a reference for characterizing an NDCS with other much more complicated configurations. ◁ PFrB-34 Networked Real-time Controller Based on PC/104, pp.831–834 An, Bao-ran Harbin Inst. of Tech. The networked real-time controller designed in this paper is based on the hardware platform of PC/104 CPU and DAQ, and the operating system of real-time Linux kernel, and it is developed with the server of algorithm receiving, data monitoring and the networked real-time application, it successfully realizes the real-time control and online monitoring. The final experimental verification shows that the real-time capability of the controller can reach the level of microseconds, which can satisfy the general requirements of industrial control. ◁ PFrB-35 Co-design-based H∞Control for Wireless Networked Control Systems, pp.835–839 LI, Jinna Liu, Dan Li, Minghui Yu, Haibin Shenyang Inst. of Automation, Chinese Acad. of Sci. Shenyang Univ. of Chemical Tethnology Shenyang Univ. of Chemical Tech. Shenyang Inst. of Automation, Chinese Acad. of Sci., China This paper investigates H∞control for the networked control systems by the approach of jointly controlling network systems and control systems. Based on the available power and rate models, the argument systems of networked control systems combined with the plant are constructed. Sufficient conditions for asymptotical stability with H∞norm bound is obtained in terms of Lyapunov theory and linear matrix inequality (LMI) technique, which can guarantee the actual signal-to-interference ratio (SNR) tracking the desired SNR, stability of the control systems, as well as optimal capability of resisting disturbance. Finally, a numerical example is given to illustrate the effectiveness of the proposed method. ◁ PFrB-36 Distributed Output Regulation of Switching Multi-agent Systems Subjectto Input Saturation, pp.840–845 Wang, Xiaoli Ni, Wei Yang, Jie Harbin Inst. of Tech. at Weihai Nanchang Univ. Chinese Acad. of In this paper, we consider the distributed output regulation problem of linear multi-agent systems subject to input saturation with switching topology. It is natural to take the semiglobal frame for distributed output regulation with input saturation which allows us to use distributed linear feedback controller. The basic problem is to design distributed feedback controller for the considered multi-agent systems subject to input saturation in order to achieve asymptotically tracking and disturbance rejection. A systematic distributed linear design approach based on the solvability condition is proposed for the semiglobal distributed output regulation with switching interconnection topology. ◁ PFrB-37 Kernel Based Nonlinear Regression for Internet Round Trip Time-delay Prediction, pp.852–856 Yang, Yanhua Shenyang Inst. of Automation, Chinese Acad. of Sci. Time delay degrades the performances of Internet-based control systems or teleoperation system, and even causes instability of closedloop systems. If the Round Trip Time-delay (RTT) is acquired exactly previously, it is helpful to improve the performance of Internet-based control systems. Therefore, analysis or prediction for Internet time delay has become a hot research problem. This paper proposes the long-range nonlinear autocorrelation of RTT based on the real data of Internet delay measurements. Then, according to the characters, we present a sparse matrix based kernel regression (SMKR) scheme to predict RTT. Finally, simulation results show that the forecasting precision using this method is higher than that using sparse multivariate linear regressive (SMLR) method, which demonstrates the validity of the proposed approach. ◁ PFrB-38 XCP Bandwidth Compensation Algorithm Based on Sliding Mode Control in Time Vary Network, pp.857–862 YIn, Fengjie liaoning Univ. Network propagation delay and system parameters are always changing, to this case, the paper applied sliding mode control theory to set reasonable output bandwidth in dynamic network for XCP, and thus to compensate the uncertainty existing in the feedback factor. The source adjusted the sending rates according to it so that the network output could have high throughput and a smaller queue length. The algorithm has strong robustness caused by the network jitter due to the uncertainty of network model and the time change of the network parameters, as well as the time delay of the system state. Simulation results show that the algorithm can improve the bandwidth utilization effectively in dynamic networks, and compare with PII-XCP algorithm, this algorithm can adapt to the dynamic nature of the network and time delay. ◁ PFrB-39 H-infinity State Estimation for Networked Systems with Markov Interval Delay, pp.881–885 Zhang, Yong Liu, Zhenxing Zhou, Lei Wuhan Univ. of Sci. & Tech. WuHan Univ. of Sci. & Tech. Nantong Univ. In this paper, the H-infinity state estimation problem for networked systems with Markov interval delay characteristic is investigated. A Markov chain is introduced to describe the delayed networked systems, considering the difficulty of obtaining the ideal knowledge on all transition probabilities, and a Markovian jump systems model with partially unknown transition probabilities is established. Based on the obtained new model, by utilizing observer as state estimation generator, the addressed state estimation problem is converted into H-infinity attenuation problem. Then, with the help of stochastic Lyapunov-Krasovskii functional approach, the sufficient condition for the desired modedependent observer is constructed in terms of linear matrix inequalities, which depend on not only delay interval but also partially known transition probabilities. The effectiveness of the proposed method is demonstrated by simulation examples. ◁ PFrB-40 Simulation Research of Networked Control System Based on Ethernet and Matlab, pp.898–902 Peng, Daogang Lin, Jiajun Zhang, Hao LI, Hui Shanghai Univ. of Electric Power East China Univ. of Sci. & Tech. Shanghai Univ. of Electric Power Shanghai Univ. of Electric Power Networked control system, as a hotspot in the research fields of control theory and control engineering applications, is widely concerned by researchers at home and abroad. The expansibility, maintainability and reliability of industrial process control system can be greatly improved with the application of Ethernet technology. In this paper, the network 127
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WCICA 2012 The 10 th World Congress
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