87Vol.2. N.1,Fall2008, control engineers magazine, iran

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    nonlinear behaviour, Atmospheric Environment 34, pp. 2134, 2000. [30] Jehng-Jung Kao and Shang-Shuang Huang, Forecasts using neural network versus BoxJenkins methodology for ambient air quality monitoring data, Journal of the Air and Waste Management Association, Vol. 50, pp. 219226, 2000. [31] W.G. Cobourn, L. Dolcine, M. French and M.C. Hubbard, A comparison of nonlinear neural network models for ground-level ozone forecasting, Journal of the Air and Waste Management Association, Vol. 50, pp. 19992009, 2000. [32] A.L. Dutot, J. Rynkiewicz, Fredy E. Steiner and J. Rude, A 24-h forecast of ozone peaks and exceedance levels using neural classifiers and weather predictions, Environmental Modelling and Software, Vol. 22, pp. 12611269, 2007. [33] M.W. Gardner and S.R. Dorling, Artificial neural networks (the multilayer perceptron). A review of applications in the atmospheric sciences, Atmospheric Environment, Vol. 32, pp. 26272636, 1998. [34] A. Comrie, Comparing neural networks and regression models for ozone forecasting, Journal of the Air and Waste Management Association, Vol. 47, pp. 653663, 1997. [35] G. Spellman, An application of artificial neural networks to the prediction of surface ozone concentrations in the United Kingdom, Applied Geography, Vol. 19, pp. 123136, 1999. [36] U. Schlink, S. Dorling, E. Pelikan, G. Nunnari, G. Cawley, H. Junninen, A. Greig, R. Foxall, K. Eben, T. Chatterton, J. Vondracek, M. Richter, M. Dostal, L. Bertucco, M. Kolehmainen and M. Doyle, A rigorous inter-comparison of ground-level ozone predictions, Atmospheric Environment, Vol. 37, pp. 32373253, 2003. [37] U. Schlink, O. Herbarth, M. Richter, S. Dorling, G. Nunnari, G. Cawleyd and E. Pelikan, Statistical models to assess the health effects and to forecast ground-level ozone, Environmental Modelling and Software, Vol. 21, pp. 547558, 2006. [38] Sameer Sharma, S.V. Barai and A.K. Dikshit, Studies of air quality predictors based on neural networks, International Journal of Environment and Pollution, Vol. 19, pp. 442453, 2003. [39] B.M. Fernandez de Castro, J.M. Prada Sanchez, W. Gonzalez Manteiga and M. Febrero Bande, Prediction of SO2levels using neural networks, Journal of the Air and Waste Management Association, Vol. 53, pp. 532539, 2003. [40] A.B. Chelani, C.V.C. Rao, K.M. Phadke and M.Z. Hasan, Prediction of sulphur dioxide concentrations using artificial neural networks, Environmental Modelling and Software, Vol. 17, pp. 161168, 2002. [41] M.W. Gardner and S.R. Dorling, Neural network modelling and prediction of hourly NOx and NO2concentrations in urban air in London, Atmospheric Environment, Vol. 33, pp. 171176, 1999. [42] Faizal A. Hasham, Warren B. Kindzierski and Stephen J. Stanley, Modeling of hourly NOx concentrations using artificial neural networks, Journal of Environmental Engineering and Science, Vol. 3, pp. 111119, 2004. [43] C. Cappa, D. Anfossi, M.M. Grosa and P. Natale, Short-term prediction of urban NO2 by means of artificial neural network, International Journal of Environment and Pollution, Vol. 15, pp. 483496, 2005.

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    Networks in time series prediction for the case of air pollution, NAFIPS 2008. [78] Tanaka, K.; Sano, M.; Watanabe, H., Modeling and control of carbon monoxide concentration using a neuro-fuzzy technique, Fuzzy Systems, IEEE Transactions on Volume 3, Issue 3, Aug. 1995 Page(s): 271 279. [79] Sungshin Kim; Jaeyong Kim; Chong-Bum Lee; Min-Young Kim, Fuzzy decision support system to the prediction of ozone concentrations, ISIE 2001. [80] Morabito, F.C.; Versaci, M., Prediction and estimation of atmospheric pollutant levels by soft computing approach, IJCNN 2001. [81] Tanaka, K.; Sano, M.; Watanabe, H., Identification and analysis of fuzzy model for air pollution-an approach to self-learning control of CO concentration, Industrial Electronics, Control, Instrumentation, and Automation, 1992. [82] Negnevitsky, M.; Kelareva, G., Air quality prediction using a neuro-fuzzy system, Fuzzy Systems, 2001. [83] Yilmaz Yildirim, Mahmut Bayramoglu, Adaptive neuro-fuzzy based modelling for prediction of air pollution daily levels in city of Zonguldak Chemosphere, Vol. 63, pp. 1575-1582, June 2006. [84] Francesco Carlo Morabito, Mario Versaci, Fuzzy neural identification and forecasting techniques to process experimental urban air pollution data Neural Networks, Volume 16, , pp. 93-506, April-May 2003. [85] M. Aliyari. Sh, M. Teshnehlab, A. Khaki. Sedigh, Climate short term prediction of air pollution using multi layer perceptron neural networks, Third Regional & First National Conf. on Climate Change, 2003. [86] M. Aliyari. Sh, M. Teshnehlab, A. Khaki. Sedigh, Short term prediction of air pollution using TDNN, Conf on Intelligent Systems CIS2004. [87] M. Aliyari. Sh, M. Teshnehlab, A. Khaki. Sedigh, Short term prediction of air pollution using MLP & Gamma neural networks , UKACC2004.

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    [2] A. Pasupuleti, A. V. Mathew, N. Shenoy and S. A. Dianat, "A Fuzzy System for Adaptive Network Routing", Proceedings of SPIE Vol. #4740, SPIE's 16th Annual International Symposium on Aerospace/Defense Sensing, Simulation, and Controls, Orlando, Florida USA. 1-5 April 2002

    [3] J. Boyan and M. L. Littman, "Packet Routing in Dynamically Changing Networks: A Reinforcement Approach", Advances in Neural Information Processing Systems, volume 7, pages 671-378, 1994.

    [4] Bruce S. Davie, Larry L. Peterson, Computer Networks: A Systems Approach Morgan Kaufmann,second edition, June 2000.

    [5] D. W. Glazer and C. Tropper, "A New Metric for Dynamic Routing Algorithm", IEEE Transactions on Communications, Vol. 38, No. 3, March 1990.

    [6] M. Kara, H. Karabelli & N. Duru, "Fuzzy Based Routing In Packet Switching Networks", International XII, Turkish Symposium on Artificial Intelligence and Neural Networks TAINN 2003.

    [7] Chiang Kang Tan, "The Use of Fuzzy Metric in QoS Based OSPF Network",

    http://www.ee.ucl.ac.uk/~lsacks/tcomsmsc/projects/pastproj/ck_tan.pdf, 2000/2001.

  • 1387 2 1=X@ 39-26

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    Abstract: This paper presents nonlinear modeling, simulation, and controller design for wind energy conversion system in Dizbad power plant. The wind power plant scheme consists of a three-phase induction generator that connected to the wind turbine via a fixed ratio gearbox. A static VAR compensator was connected at the generator terminals to regulate its voltage. The induction generator was connected to the utility through a double transmission line. The mechanical power input and terminal voltage output was controlled using blade pitch angle and firing angle of thyristor. An optimal stochastic control is designed for the system based on the optimal stochastic estimator. The performance of the proposed scheme is compared with both output feedback and state feedback controllers with extended Kalman filter. These controllers are applied to the nonlinear system and their performances are recognized under gust and different type of disturbances. The responses of the proposed optimal stochastic controller exhibited a good damping and fast recovery under these disturbances.

    Keywords: State and Output Feedback Controllers, Wind Turbo Generator, VAR Compensator, Extended Kalman Filter, Stochastic Optimal Control.

    ________________________________________________________________

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    Abstract: In this paper, an optimal Takagi-Sugeno fuzzy control is designed with a novel method called combined discrete and continuous action reinforcement learning algorithm (CDCARLA). The proposed method is implemented for a nonlinear system that is Cart-Pole system. Simulation results show that the proposed method has significant performance. The advantage of CDCARLA is that it does not need system dynamics as well as any other information of power system. It can be said that, this method will consider nonlinear features of power system. It is shown that CDCARLA method can be considered as one of the automatic design technique for designing of controller parameters.

    Keywords: Continuous Ation Rinforcement Larning Atomata, Continuous Action Reinforcement Learning Automata, Takagi-Sugeno Fuzzy Control.

    _________________________________________________________________

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    [2] K. Tanaka, M. Sugeno, Stability analysis and Design of Fuzzy Control Systems, Fuzzy sets and systems, vol. 45, pp. 135-156, 1992.

    [3] G. Ren, Z. Hung-Xiu, Analytical Design of Takagi-Sugeno Fuzzy Control Systems, American Control Conference, pp. 1733-1738, 2005.

    [4] M. Akar, . zgner, Decentralized Parallel Distributed Compensator Design for Takagi-Sugeno Fuzzy Systems, Proceeding of 38th Conference on Decision & Control, pp. 4834-4839, 1999. [5] A. Jadbabaie, M. Jamshidi, A. Titlie, Guaranteed-Cost Design of Continuous-Time Takagi-Sugeno Fuzzy Controllers via Linear Matrix Inequalities, IEEE, pp.268-273, 1998.

    [6] K. Tanaka, T. Hori, H. Wang, New Robust and Optimal Designs for Takagi-Sugeno Fuzzy Control Systems, International Conference on Control Application, pp. 415-420, 1999. [7] M.Y. Shieh, C.W. Huang, T.H. Li, A GA-based Sugeno-Type Logic Controller for Cart-Pole System, IEEE, pp. 1028-1032. [8] M.N. Howell, M.C. Best, On-line PID tuning for engine idle-speed control using continuous action reinforcement learning automata, Control Engineering Practice 8 147-154, Elsevier Science Ltd., 2000.

    [9] M.N. Howell, T.J. Gordon, Continuous action reinforcement learning automata and their application to adaptive digital lter design, Engineering Applications of Artificial Intelligence 14 54956, Elsevier Science Ltd., 2001.

  • 1387 2 1 =X@ 55-49

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    [5] Sastry S and Kohn M, Milli Robotics for remote minimally invasive surgery, Robotics and Automation systems, 1997. [6] Paljug R , Ohm T and Hayati S, The JPL serpentine robot : a 12 DOF system for inspection ,IEEE International Conference on Robotics and Automation, ,1995. [7] Paap k .l, Christaller T and Kirchner F, A robot snake to inspect broken building , IEEE Int,Conf on Intelligent Robots and systems, 2000. [8] Wolf A, Brown H.B, Casciola R, Costa A, Shammas E and Choset H , A mobile hyper redundant mechanism for search and rescue tasks ,International Conference on Intelligent Robots and Systems, Las Vegas , Nevada, 2003.

    [9] Gravange A and Woodfine R, mine-sniffing robotic snakes and eels, IEEE Int Conf on Robotics and Automation, 2000. [10] Suthakorn J, Chirikjian G S, A new inverse kinematic algorithm for binary manipulators with many actuators, Advanced Robotics, Vol. 15, No. 2, pp. 225 244 2001 [11] Fromherz M P J, Hogg Tad, Shang Y, Jackson W B, Towards constraint-based actuation allocation for hyper-redundant manipulators, Published in IJCAI-01Workshop on Modelling and Solving Problems with Constraints, Aug. 2001. [12] Deb.k , An introduction to genetic