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1990 Fiscal Year Final Research Report Summary

Research on the optimal control of free boundary

Research Project

Project/Area Number 01540170
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field General mathematics (including Probability theory/Statistical mathematics)
Research InstitutionChiba University, Faculty of Engineering

Principal Investigator

KAWARADA Hideo  Chiba Univ. Eng. Prof., 工学部, 教授 (90010793)

Co-Investigator(Kenkyū-buntansha) KOSHIGOE Hideyuki  Chiba Univ. Eng. Ass., 工学部, 助手 (70110294)
SAWAGURI Toshio  Chiba Univ. Eng. Iec., 工学部, 講師 (50009271)
KENMOCHI Nobuyuki  Chiba Univ. Education Prof., 教育学部, 教授 (00033887)
YANAGIHARA Niro  Chiba Univ. Sci. Prof., 理学部, 教授 (70009041)
Project Period (FY) 1989 – 1990
KeywordsFree boundary / Optimal control / Plasma / Two-phase Stefan / Elastico-viscous fluid / Fuzzy model / ファジィモデル
Research Abstract

This project has obtained many excellent results, main topics of which are the following.
1. Development of analysis for optimal shape design problem in plasma.
2. Development of analysis on the shape optimization for multi-phase Stefan problem and the behavior of the free surface in the fluid.
3. Development of analysis for the stability of Fuzzy control systems.

  • Research Products

    (18 results)

All Other

All Publications (18 results)

  • [Publications] Hitoshi IMAI,Hideo KAWARADA: "A method for finding bifurcattion points." Control and cybernetics,. 19(3). (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hitoshi IMAI,Makoto NATORI,Lun Shan Gao,Hideo KAWARADA: "The parallel processing in the fuzzy control system governed by partial differential equations." Technical report,Institute of information sciences and electronics,University of Tsukuba,ISEーTRー90ー88,. (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hideo KAWARADA,Hideyuki KOSHIGOE: "The unsteady flow in the porous media with a free surface." J.J.Ind. APPl.Math.Vol.8 No.1. 41-82 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Nobuyuki KENMOCHI: "A new proof of the uniqueness of solutions to twoーphase Stefan problems for nonlinear parabolic equations," Free Boundary Problems,ed.K.ーH.Hoffmann and J.Sprekels,Intern.Ser.Num.Math.Birkhauser Verlag,Basel,. 95. 101-126 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Nobuyuki KENMOCHI: "Neumann problems for a class of nonlinear degenrate parabolic equations." Differential and Integral Equations,. 3. 253-273 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Atsushi KADOYA,Nobuyuki KENMOCHI: "Shape optimization for multiーphase Stafan problems." Proceedings of Conference on Numerical Methods for Free Boundary Problems Intern.Ser.Math.Birkhauser Verlag,Basel,. (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Niro YANAGISAWA: "On the Stability of Fuzzy Control Systems" Proceedings of the Congress The Coming of Age of Fuzzy Logic,University of Washington. (1989)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Niro YANAGISAWA: "On the Accuracy Fuzzy Models of Infinite Dimensi onal Systems" Proceedings of the International Conference on Fuzzy Logic and Network. (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Niro YANAGISAWA: "On Fuzzy Models of Nonlinear System" To appear in 4th IFSA Congress,Brussels(July). (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 1. H. Imai, H. Kawarada: "A method for finding bifurcation points." Control and cybernetics. 19. (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H. Imai, M. Natori, L. S. Gao, H. Kawarada: "The parallel processing in the fuzzy control system governed by partial differential equations." Tech. Rep. Inst. Inform. Sci. and Elec., Univ. Tsukuba. ISE-TR-90-88. (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H. Kawarada, H. Koshigoe: "The unsteady flow in the porous media with a free surface." Japan J. Ind. Appl. Math.8,. 41-82 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] N. Kenmochi: "A new proof of the uniqueness of solutions to two phase Stefan problems for nonlinear parabolic equations." Free Boundary Problems, Intern. Ser. Num. Math. Birkhauser Verlag, Basel. 95. 101-126 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] N. Kenmochi: "Neumann problems for a class of nonlinear degenerate parabolic equations." Diff. and Int. Eq.3. 253-273 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A. Kadoya, N. Kenmochi: "Shape optimization for multi-phase Stefan problems." Proceedings of Conference on Numerical Methods from Free Boundary Problems, Intern. Ser. Num. Math. Birkhauser Verlag, Basel.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] N. Yanagihara: "On the stability of Fuzzy control systems." Proceedings of the Congress, The Coming of Age of Fuzzy Logic, Univ. of Washigton, 1989.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] N. Yanagihara: "On the accuracy Fuzzy models of infinite dimensional systems." Proceedings of the International Conference on Fuzzy Logic and Network, 1990.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] N. Yanagihara: "On Fuzzy models of nonlinear systems." 4-th. IFSA Congress, Brussels, 1991.

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1993-08-12  

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