著者
中嶋 秀朗 中野 栄二
出版者
一般社団法人日本機械学会
雑誌
日本機械学会論文集. C編 (ISSN:03875024)
巻号頁・発行日
vol.72, no.721, pp.2926-2931, 2006-09-25
参考文献数
5
被引用文献数
5

A leg-wheel robot has mechanically separated four legs and two wheels, and it performs high mobility and stability on rough terrains. In this paper, the strategy for the leg-wheel robot moving over large rough terrains is described. First, topographical features are classified for the large rough terrain movement. They are classified into 13 patterns by the combination of terrain surfaces. In order to move over all classified terrains, three gaits are proposed as adaptive gait for large rough terrain. Those three gaits are as follows: 1. Gait for an upward step: the forefoot landing point is higher than contact points with the ground of wheels, and the robot raises the body toward the forefoot landing point. 2. Gait for a downward step: the forefoot landing point is lower than contact points with the ground of wheels, and the robot lowers the body toward the forefoot landing point. 3. Gait for getting over an obstacle: the forefoot landing point is not higher than contact points with the ground of wheels, but the robot raises the body as high as possible.
著者
草部 博輝 中森 眞理雄
出版者
一般社団法人情報処理学会
雑誌
情報処理学会研究報告バイオ情報学(BIO) (ISSN:09196072)
巻号頁・発行日
vol.2007, no.128, pp.41-43, 2007-12-20

資源制約付プロジェクトスケジューリング問題(Resource Constrained Project Scheduling Problem : RCPSP)は,job-shop のようなモデルの一般形としてよく知られるモデルである.本稿は,RCPSP の先行制約と資源制約を変化させた RCPSP/τ+ モデルを取り扱い,その下界値の計算法を提案する.評価は比較的小規模のインスタンスを用い,最適解との比較を行うことにより行う.Resource-constrained project-scheduling problem (RCPSP) is a general model of several classical scheduling models like a job-shop. In this paper, we suggest the scheduling model RCPSP/${\tau}+$, which is added the time windows to the model of RCPSP/${\tau}$ having the changing of limit of renewable resources in project term and of requirement of renewable resources in each activity's processing time. We present a lower bounding method for the RCPSP/${\tau}+$ and evaluate the lower bound accuracy comparing the oplitmal solution.
著者
天倉 吉章 近藤 一成 穐山 浩 伊東 秀之 波多野 力 吉田 隆志 米谷 民雄
出版者
公益社団法人 日本食品衛生学会
雑誌
食品衛生学雑誌 (ISSN:00156426)
巻号頁・発行日
vol.47, no.4, pp.178-181, 2006-08-25 (Released:2008-08-04)
参考文献数
18
被引用文献数
10 11

キシメジ科スギヒラタケの化学成分に関する研究の一環として,本キノコ中のUV検出成分についてHPLC分析を行った.UV検出による主要ピークの1つを単離したところ,各種分光法の結果に基づき,共役トリエン構造を有するα-エレオステアリン酸であると同定した.α-エレオステアリン酸は,試験した他の8種の食用キノコからは検出されなかったため,スギヒラタケ特有の脂肪酸であることが示唆された.またスギヒラタケおよび他の食用キノコ中の遊離長鎖脂肪酸について,2-ニトロフェニルヒドラジドへ変換後,HPLC分析した.スギヒラタケの主要脂肪酸としてオレイン酸が検出され,α-エレオステアリン酸のほか,リノール酸,パルミチン酸,ステアリン酸などの飽和長鎖脂肪酸が検出された.
著者
小野 功 小林 重信
出版者
社団法人人工知能学会
雑誌
人工知能学会誌 (ISSN:09128085)
巻号頁・発行日
vol.13, no.5, pp.780-790, 1998-09-01
被引用文献数
13

In this paper, we propose a new genetic algorithm(GA) for job-shop scheduling problems(JSPs), considering dependencies among machines. We regard the crossover as a main search operator. Crossovers should preserve characteristics between parents and their children in order for GAs to perform well. Characteristics are elements that constitute a solution and determine the fitness of the solution. Chracteristics also should be highly independent of each other. A characteristic has to be found for each problem domain since it depends on a particular problem domain. We basically regard the processing order of jobs as a characteristic for JSPs. We consider job-based order inheritance and position-based order inheritance for ways of inheritance of the processing order by crossovers, and propose two new crossovers; the Inter-machine Job-based Order Crossover(Inter-machine JOX) and the Inter-machine Position-based Order Crossover(Inter-machine POX). By applying them to the benchmark problems of FT10×10 and FT20×5, we demonstrate that the Inter-machine JOX shows better performance than the Inter-machine POX and an existing crossover, the SXX[Kobayashi 95]. The Inter-machine JOX preserves both the processing order of jobs and the technological ordering which causes dependencies among machines. We also propose a new mutation named the Inter-machine Job-based Shift Change for introducing a diversity of population. We confirm its effectiveness by applying it with the Inter-machine JOX to FT10×10 and FT20×5.
著者
末次 勧
出版者
京都大学
雑誌
京都大学結核胸部疾患研究所紀要 (ISSN:00093378)
巻号頁・発行日
vol.15, no.1, pp.43-59, 1982-09-30

いわゆるアスピリン喘息の発作誘発物質がきわめて多種多様であることは, 今日では疑う余地もなく明白である。特に, アスピリン様の解熱鎮痛剤(酸性非ステロイド性消炎剤)は, いずれも強力な誘発物質として知られている。そこで本論文では, 解熱鎮痛剤による発作誘発歴が明らかに認められるか, あるいは解熱鎮痛剤の負荷試験により気道攣縮反応が陽性であることが確認された症例を解熱鎮痛剤過敏性喘息(AIA)として扱い, その臨床像の特徴を解明することを目的として, 臨床的検討を実施した。対象はAIA 40症例(AIA群)と, 対照群としてアトピー性喘息32症例(アトピー群)および内因型喘息27例(内因群)の計99例であった。アトピー群, 内因群の症例は, 少なくとも一種以上の解熱鎮痛剤負荷試験が陰性であることを確認した症例, すなわち非AIAと判定された症例とした。これら3群の症例について, 各種の問診および臨床検査項目の成績をまとめ, 群間比較を行ないつつ検討した結果, 次の成績を得た。
著者
寺田 賢治
出版者
一般社団法人 電気学会
雑誌
電気学会論文誌C(電子・情報・システム部門誌) (ISSN:03854221)
巻号頁・発行日
vol.127, no.6, pp.812-816, 2007-06-01 (Released:2007-09-01)
参考文献数
22

As well known, human sensing is useful for our life. But, the development of the human sensing system is not easy, because the shape and the movement of human are complicated and Indistinct; the environment of obtaining image is not always constant and so on. We have developed some methods of identifying individuals using facial image, counting passing people, observing of human behave and so on. In this paper, human sensing and its applications are introduced. In addition, examples of application are shown.
著者
志水 宏吉
出版者
一般社団法人日本教育学会
雑誌
教育學研究 (ISSN:03873161)
巻号頁・発行日
vol.73, no.4, pp.336-349, 2006-12-29

We reported the major findings of our research based on our own academic achievement tests towards elementary school and junior high school pupils in 2002. We then pointed out the fact that the differences of achievement between social groups have been expanded. Nowadays, that issue is seen to be one of the most serious educational problems in contemporary Japan. Although the differences of various educational outcomes such as academic achievements or educational aspirations between social groups are always emphasized, it is surprising that they seldom discuss about the ways in which those differences could be made smaller. I myself have been exploring the issue in these several years. In this paper, I will describe the progress and the future directions of our academic exploration on this particular educational issue. In section 2, I will give some consideration on the basic concepts such as 'gakuryoku' (academic achievement) and 'gakuryoku kakusa' (collective difference of academic achievement) and locate the existence of the schools that are actually reducing the differences in the context of the theory of effective school. That theory or research trend has been developed in the U.S.A. and the U.K. in these three decades. The concept of effective school is related to a kind of school that can reduce the differences of academic achievement between social groups such as social classes or ethnic groups. In section 3, the findings of our collaborative research carried our in 2002 will be shown and the actual contents of effective schools found out in the research will be discussed. In those schools (one elementary school and one junior high school), the averages of achievement of the children are pretty high and the ratios of low-achievers remain fairly small. The overall efforts of the school towards guaranteeing the minimum level of achievement for all the children seems to bear fruit sufficiently. In section 4, I will tough the contents of our on-going research project carried out in Osaka. The aim of the project is to find our various kinds of effective school in Japan and to draw common characteristics of those schools. We provisionally present seven factors that can contribute to make a Japanese school effective: not to make the children rough, to develop the good relationship among the children, school management emphasizing teamwork among members of staff, positive and practice-oriented school culture, collaboration with parents and local community, internal system guaranteeing the minimum level of achievement, existence of leaders and leadership. In section 5, I will consider several issues I order to prospect future development of research on school effectiveness in Japan. The following is the issues I will pick up: development of appropriate achievement tests, development of appropriate indication of family backgrounds, planning of longitudinal research on school effectiveness, necessity for research on the process of school improvement.