This is the publication list of Dr. Behrouz Homayoun Far.
Copies of most of the papers in PDF format are available on-line for preview only. You can preview the electronic PDF papers using Adobe's free Acrobat Reader 4.x or better.
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   Research Doc. 1992-01 Click to download PDF version
Authors(s): Behrouz H. Far,
Title:
"A Research on Applications of Qualitative Reasoning Techniques in Human Acts Simulation Program,"
Transactions/Magazines/Conferences:
Technical Report JAERI-M 92-058 (日本原子力研究所研究報告書 JAERI-M 92-058), 79 pages, April 1992.
Abstract
情報システムセンターでは、原子力知能化システム技術の研究テーマの中で人間動作シミュレーション・プログラム(Human Acts Simulation Program: HASP)と名付けた人工知能とロボテイックスに関する研究を行っている。具体的には、原子力施設の保守点検作業を対象として、知能ロボットが与えられた作業命令を解釈、実行する為に必要なソフトウェア及びハードウェアの研究開発を行うものである。本レポートでは、HASP における人工知能の研究の1つである定性推論の研究と応用、つまり、モデルベース推論と学習、故障診断、そして機能推論等について述べる。技能・ルール・知識 (S-R-K) 構造と対応する時間的な状態変化とその同期を含めた定性モデルの階層構造、定性感度解析手法、主観的な定性故障診断手法、そして定性機能形成手法を紹介する。
Original Language: English
 


 
   Research Doc. 1992-02 Click to download PDF version
Authors(s): Behrouz H. Far,
Title:
"Learning Function of Devices Using Qualitative Function Formation Technique,"
Transactions/Magazines/Conferences:
Proc. 日本機械学会 第二回FANシンポジウム 講演論文集, Nagoya, Japan, October 1992, pp. 293-298.
Abstract
The goal of this research is developing methods for categorizing and learning function of objects from a formal description of their structure and behavior using Functional Reasoning (FR). A collective view on FR theories and techniques is presented, common assumptions and basic problems are identified. Qualitative Function Formation (QFF) technique is introduced. Some novel points are extending the common qualitative models to include interactions and timing of events, by defining coordinative relations, temporal and dependency constraints, and binding it with the conventional qualitative simulation. A function concept is defined as an interpretation of a persistence or an order in the sequence of qualitative states. Examples of application of QFF in categorization and learning function of objects are given.
Original Language: English
 


 
   Research Doc. 1992-03 Click to download PDF version
Authors(s): Behrouz H. Far,
Title:
"Functional Reasoning, Explanation and Analysis: Qualitative Function Formation Technique,"
Transactions/Magazines/Conferences:
Proc. 1992年度人工知能学会 (第6回) 全国大会, Tokyo, Japan, June 1992, pp. 229-232.
Abstract
Functional Reasoning enables people to reason about the presence and function of components in a device, derive the purpose of the device and explain how it can be achieved. Qualitative Function Formation (QFF) a functional reasoning technique is introduced. Some novel points are extending the common qualitative models to include interactions and timing of events, by defining temporal and dependency constraints, and binding it with the conventional qualitative simulation. A function concept is defined as an interpretation of either a persistence or an order in the sequence of qualitative states, using the trace of the qualitative state vector derived by simulation on the extended qualitative model. QFF offers solution to the functional reasoning problems and is used to generalize and compare the functions of devices.
Original Language: English
 


 
   Research Doc. 1992-04 Click to download PDF version
Authors(s): Z. Koono, Behrouz H. Far, and Y. Yamasaki,
Title:
"Structural Way of Thinking As Applied to Good Design (Part 3, Reducing Programming Errors),"
Transactions/Magazines/Conferences:
Proceedings IEEE Global Communications Conf., GLOBECOM' 92, Florida, USA, December 1992, pp. 525-531.
Abstract
Abstract This paper explains programming errors from the view point of human errors. Programming error problems may be analyzed by separating two factors "build-in" during design and various "check out" following the design. Though separating error problems, key points for reducing programming errors may be reduced to how to make "build-in" rate small and how to make "perfect check-out". Error problems during design, testing and the progress of quality are explained. Various suggestions for reducing errors are given.
Original Language: English
 


 
   Research Doc. 1992-05 Click to download PDF version
Authors(s): Z. Koono and Behrouz H. Far,
Title:
"ソフトウェア開発工程の定量的取り扱い," (in Japanese),
Transactions/Magazines/Conferences:
電子情報通信学会技術研究報告 KBSE 92-33, ( Technical Report IEICE, KBSE 92-33), Tokyo, Japan, November 1992, pp. 17-24.
Abstract
This paper reports a basic study aiming at quantitative, rational and scientific control of software developments. Man-hours for a work shows a constancy when normalized by a suitable factor. In software developments, however, most such figures do not show enough constancy, except a gross average. This paper shows causes of such variations: such as work procedure, work process, normalizing factor, documentation, failure rate during testing, work ability and morale. It was found that learning effect appears during developments. The learning process with feedback from past experiences is the vital factor for improving the process and thus resulting in smaller variations.
Original Language: Japanese
 


 
   Research Doc. 1992-06 Click to download PDF version
Authors(s): M. Akimoto, K. Higuchi, M. Fujii, Behrouz H. Far, E. Kume, Y. Abe, T. Ohtani, S. Kambayashi, and K. Asai,
Title:
"HASP: Human Acts Simulation Program,"
Transactions/Magazines/Conferences:
Proc. of Specialists Meeting on Applications of AI and Robotics to Nuclear Plants, (AIR' 92), pp. 120-130, May 1992.
Abstract
In Human Acts Simulation Program (HASP), human acts to be realized by a human shaped intelligent robot in a nuclear power plant are simulated by computers. HASP started as a ten-year program at JAERI in 1987. The purpose of HASP is to develop basic and underlying design technologies for intelligent robots, to develop basic technologies for an advanced intelligent and automatic nuclear power plant and to provide artificial intelligence techniques for researchers in the nuclear field. In this paper, the contents of HASP and some results obtained so far are described.
Original Language: English
 


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