• Title/Summary/Keyword: Holon

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A new concept of control system

  • Kawaguchi, Tadao;Yoshitani, Naoharu
    • 제어로봇시스템학회:학술대회논문집
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    • 1989.10a
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    • pp.781-785
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    • 1989
  • In the field of control technology, too, it is about time that the students should free themseleves from the paradigm of Newtonian mechanics. Otherwise, they might fail to grasp the essence of control. Now, let us consider the essence of control. Control consists of manipulating a particular object, matter, energy of environment on the basis of certain medium information. (measurement data, force, etc.) So, we shall look into the methods of manipulation. Here, we consider natural control, constraining control, and hybrid control as basic methods of manipulation. In this paper, we would like to put forward the daring proposal that it's called a Holon-type hybrid control system. It is intended to control a plat with complicated or unknown characteristics where a conventional control theory is not easy to apply. A prototype system has been developed and applied to a real plant. The control system is a multi-layer system. Each layer includes different control input. The important features of the system are as follows: 1) Each layer behaves autonomously and also cooperates with each other to optimize the whole plant. 2) The controller optimizes a plant without mathematical models when these models are not easy to obtain.

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Application of Open Structure to Planning of the Built Environment - Focus on the Parc de La villete - (건축환경계획에 있어서 열린 구조의 적용에 관한 연구 - 라 빌레뜨 공원 분석을 중심으로 -)

  • 신명숙
    • Archives of design research
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    • v.11 no.3
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    • pp.69-76
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    • 1998
  • The purpose of this study is to present a method of preparing for a more enduring built environment, being fully aware that, in consideration of time flowing from past to present, there is no ardlitecture in creation that is not abandoned. Efforts were made to find the problem solutions in relation to the hierardlial structure, evolvement and adaptation of living beings. The process of study was as follows, ·The built environment's affordance to human beings and the designer's role was explained. ·Having an understanding of the necessity of user minded planning, the architectural adaptation of the multi-layered hierarchy system of holon theory and adoption of time conception into architectural space were examined to explain that the importance in ardlitecture should be placed in transition, not in perfection. ·The design of Parc de La Villette by Bernard Tsdlumi was analysed from the above viewpoint. Having a practical case analysed, this study is expected to offer a basic information for use in case of visual presentation of a theoretical viewpoint.

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The holons settlement of the processing and assembly system for the human-oriented manufacturing system forming (인간중심의 제조시스템 구축을 위한 가공 및 조립시스템의 holon 설정)

  • Joung, Boum-Jin;Kim, Day-Sung;Kim, Man-Jin
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • 1996.04a
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    • pp.639-643
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    • 1996
  • The manufacturing system has been changed from labored manual process system, which is managed and operated by managers and operators, to CIMS(Computer Integrated Manufacturing System) for integration of manufacturing, research, development and consumption in the age of diverse customer's needs[6]. However, because it involves the hierarchical system composed of many sub-systems interface and its installation & setup cost is very expensive, CIMS has many difficulties in constructing the durable optimal system that is able to adapt to rapid in-outer circumstance change. So, HMS(Holonic Manufacturing System), the new conceptual manufacturing system having the self-problem-solving and self-organization[11], is instructed to solve these difficulties that it has in these days. The system flexibility in the HMS is able to be ensured, with the integration of human's strong points into mechatronics manufacturing system to reduce interference among sub-systems. In this paper, the manufacturing process rationalization and integration of the assembly line in an automobile industry, has lots of problems in efficiency and productivity, has been studied in an early stage of converting the present state of process system to HMS, which is human-oriented processing system, to improve the line efficiency, system productivity and reliability by using human capability effectively. This paper is derived into the human-oriented & object-oriented holons settlement of the shop floor system composed of processing, assembly and material handling system for the future holonic manufacturing system, which is going to be computer supported control system.

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