An approach to a dynamic system simulation based on human information processing

  • Authors:
  • Ichiro Kobayashi;Michio Sugeno

  • Affiliations:
  • Faculty of Economics, Hosei University, 4342 Aihara-machi, Machida-shi Tokyo, 194-0298, Japan;Brain Science Institute, The Institute of Physical and Chemical Research (RIKEN) 2-1, Hirosawa, Wako-shi, Saitama, 351-0198, Japan

  • Venue:
  • International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems
  • Year:
  • 2002

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Abstract

As we know that human intellectual activities are performed by the use of language; a human being thinks and reasons with language. In this paper, we propose a new simulation method which imitates human information processing based on the use of language. -An ordinary simulation method uses mathematical equations to estimate the future trends of a dynamic system, however, we propose a new simulation method which uses a model consists of natural language, which is called a linguistic model. A linguistic model does not have a fixed structure, but the structure of the model itself will be generated so that the model should become the most appropriate model to estimate the future behavior of a dynamic system. We regard that human intellectual activities such as thinking, reasoning, etc. are also texts realized by context as well as a linguistic text is done by context. We show a human linguistic reasoning model generation with an example of forecast of foreign exchange rate (FER) changes.