システム制御情報学会論文誌

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1997 年 10 巻 9 号 p. 394a
発行日: 1997年
公開日: 2011/10/13

DOIhttps://doi.org/10.5687/iscie.10.9_394a

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1997 年 10 巻 9 号 p. 394b
発行日: 1997年
公開日: 2011/10/13

DOIhttps://doi.org/10.5687/iscie.10.9_394b

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感性情報による画像検索システムの構築

大坪英昭, 亀井且有

1997 年 10 巻 9 号 p. 455-462
発行日: 1997/09/15
公開日: 2011/10/13

DOIhttps://doi.org/10.5687/iscie.10.455

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In this paper, we try to construct an image retrieval system so that Kansei (a kind of the sence) information is adopted as a query of the system and pictures fitting Kansei are retrieved from image database. First, we select Kansei words from an adjective dictionary based on Factor Analysis. Next, we give relations between Kansei words and physical design elements of the pictures by Quantification Method I and fuzzy logic theory. Finally, we compare the pictures retrieved by our system with those selected by human in evaluation experiments and show the validity of our system.

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帰納的学習法によるスケジューリング・ルールの自動獲得

フローショップ総所要時間最小化問題への適用

諏訪晴彦, 森田浩, 藤井進

1997 年 10 巻 9 号 p. 463-469
発行日: 1997/09/15
公開日: 2011/10/13

DOIhttps://doi.org/10.5687/iscie.10.463

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In developing intelligent scheduling systems, it is important to develop an effective method for acquisition of decision rules. This paper extends the authors' previous work on single machine scheduling problems to flow shop scheduling problems and describes a method for rule acquisition by generating sample schedules and analyzing their properties. For rule acquisition, C4.5 learning algorithm is used and training cases are generated by interchanging two jobs in a sample schedule. Job attributes and location properties are used as the basic information for rule acquisition. Finally, we investigate the effectiveness of the proposed method and demonstrate the applicability of the obtained rules by computational experiments

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ファジィ制御を用いた移動体の自動誘導 (第1報)

ジェネラル・ファジィ・ステアリング・モデルの同定と自動車の自動誘導方法

王国文, 藤原直史, 包躍

1997 年 10 巻 9 号 p. 470-479
発行日: 1997/09/15
公開日: 2011/10/13

DOIhttps://doi.org/10.5687/iscie.10.470

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In this study a new automatic guidance method using fuzzy control for vehicles such as cars and mobile robots is proposed. This proposed method is based on a general fuzzy steering model (GFSM) and a simple position and orientation measurement method by image processing for the vehicles. This GFSM can be applied to vehicles of various sizes, speeds, etc., and courses of different widths. It can also be applied to courses of any shape.
In this paper, the input variables of the fuzzy control rules are defined as relative quantity and the GFSM is identified. An approach of applying the GFSM to corner courses with general angles by modifying the steering angle according to the angle of the corner is developed. A way of applying the GFSM to any curved courses by regarding a curved course as a unreal corner course is considered. The effectiveness is confirmed by simulation.

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超高速鉄道用低騒音集電装置の開発

牧野俊昭, 小林健治, 掛樋豊, 飯田明由

1997 年 10 巻 9 号 p. 480-492
発行日: 1997/09/15
公開日: 2011/10/13

DOIhttps://doi.org/10.5687/iscie.10.480

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For the purpose of reducing noise caused by current collector that are located on super high-speed railways, a new concept of low-noise current collectors has been developed. This new low-noise current collector's features are a delta-shaped collector head directly supported by a composite insulator. It also has a conductor for conducting power received from the current collector to an electric circuit. Both the conductor and insulator are supported by the two-step hydraulic mechanisms. The vertical height of those apparatus are controlled by using an active control system so as to maintain the predetermined contact force of the contact strip against the trolley-wire. As a result on bench tests, where a lift of 127 [N] was applied, the contact force decreased to 95% by detecting the force cylinder and varying the desired rising force. It was also confirmed that the limit tracking performance against roughness of the trolley-wire was 28 [mmp-p] at 2 [Hz] where the contact break ratio at 300 [km/h] was 20% by a pantograph test machine using an active control system.

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都市道路網における総遅れ時間最小化によるサイクル長決定方法

織田利彦

1997 年 10 巻 9 号 p. 493-501
発行日: 1997/09/15
公開日: 2011/10/13

DOIhttps://doi.org/10.5687/iscie.10.493

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In urban road network in Japan, a control area is divided into several sub-areas for the purpose of determining the signal timings. Each sub-area consists of a series of intersections with one critical intersection where traffic congestion sometimes takes place. Each sub-area is associated with a unique cycle length and the split of each intersection is calculated based on the cycle length. The conventional method is deficient in that the cycle length is characterized only by the critical intersection and other intersections in the sub-area are ignored. The paper proposes a new method of determining the optimal cycle length which minimizes the total delay time in the sub-area. In order to evaluate the validity of this approach, the experiments were carried out using a traffic flow simulator. These experiments showed that the method proposed in this paper decreases the queue length significantly, compared with the conventional method.

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交・直流電圧印加時の二相誘導電動機の振動トルク計算式

岡田昌丈, 前田武士, 尾林康司

1997 年 10 巻 9 号 p. 502-504
発行日: 1997/09/15
公開日: 2011/10/13

DOIhttps://doi.org/10.5687/iscie.10.502

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写像法による不連続離散時間非線形制御系の設計

竹内義之

1997 年 10 巻 9 号 p. 505-507
発行日: 1997/09/15
公開日: 2011/10/13

DOIhttps://doi.org/10.5687/iscie.10.505

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