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電氣學會論文誌. IEEJ Transactions on Electronics, Informa... 24건

  1. [해외논문]   進化技術の基礎と情報通信・生産物流システムへの応用  

    Gen, Mitsuo , Kawakami, Hiroshi , Tsujimura, Yasuhiro , Handa, Hisashi , Lin, Lin , Okamoto, Azuma
    電氣學會論文誌. IEEJ Transactions on Electronics, Information and Systems. C : 電子·情報·システム v.130 no.5 ,pp. 731 - 736 , 2010 , 0385-4221 ,

    초록

    As efficient utilization of computational resources is increasing, evolutionary technology based on the Genetic Algorithm (GA), Genetic Programming (GP), Evolution Strategy (ES) and other Evolutionary Computations (ECs) is making rapid progress, and its social recognition and the need as applied technology are increasing. This is explained by the facts that EC offers higher robustness for knowledge information processing systems, intelligent production and logistics systems, most advanced production scheduling and other various real-world problems compared to the approaches based on conventional theories, and EC ensures flexible applicability and usefulness for any unknown system environment even in a case where accurate mathematical modeling fails in the formulation. In this paper, we provide a comprehensive survey of the current state-of-the-art in the fundamentals and applications of evolutionary technologies.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  2. [해외논문]   PID Controller Tuning Based on the Covariance Matrix Adaptation Evolution Strategy  

    Wakasa, Yuji (Graduate School of Science and Engineering, Yamaguchi University ) , Kanagawa, Shinji (Graduate School of Science and Engineering, Yamaguchi University ) , Tanaka, Kanya (Graduate School of Science and Engineering, Yamaguchi University ) , Nishimura, Yuki (Graduate School of Science and Engineering, Yamaguchi University)
    電氣學會論文誌. IEEJ Transactions on Electronics, Information and Systems. C : 電子·情報·システム v.130 no.5 ,pp. 737 - 742 , 2010 , 0385-4221 ,

    초록

    The covariance matrix adaptation evolution strategy (CMA-ES) is a kind of stochastic optimization such as particle swarm optimization (PSO), and has been shown to have a good performance. However, there are few control applications of the CMA-ES except for only one paper. This paper deals with a PID control problem with constraints on sensitivity and complementary sensitivity functions, and proposes a PID controller tuning method based on the CMA-ES. Numerical examples are given to show the effectiveness of the proposed method in comparison with the recently proposed PSO-based method.

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    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  3. [해외논문]   階層構造FIRフィルタの係数設計へのGAの適用  

    Saito, Hiroto , Nakamura, Shogo
    電氣學會論文誌. IEEJ Transactions on Electronics, Information and Systems. C : 電子·情報·システム v.130 no.5 ,pp. 743 - 749 , 2010 , 0385-4221 ,

    초록

    In this paper, we describe a direct design approach using a GA(Genetic Algorithm) to a HSTF(Hierarchical Structure Transversal Filter). The HSTF has a hierarchical building block structure of tapped cascaded low order FIR filters. Since this architecture can reduce the sensitivity of the rounded filter coefficients, the word lengths of the Subfilter and the tapping coefficients can be limited with 6 bit and 7 bit respectively. A direct design approach of the HSTF is not easy because of highly nonlinear problem. So far, we took a two-stage approach. However, this approach cannot give an accurate specification of the filter. We applied a GA into a direct design of the HSTF and could get some preferable results. An design example by GA will be given compared with these of the two-stage design.

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    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

    이미지

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  4. [해외논문]   知的照明システムのための自律分散最適化アルゴリズム  

    Ono, Keiko , Miki, Mitsunori , Yonezawa, Motoi
    電氣學會論文誌. IEEJ Transactions on Electronics, Information and Systems. C : 電子·情報·システム v.130 no.5 ,pp. 750 - 757 , 2010 , 0385-4221 ,

    초록

    In recent years, various types of equipment have become more intelligent. In this research, we propose an intelligent lighting system for providing required illuminance to specified locations, and develop autonomous distributed optimization algorithm which enables advanced lighting control. This system consists of multiple intelligent lighting fixtures, multiple movable illumination sensors and a power meter connected to a network. There is no central unit, therefore, the system has high robustness against the malfunction. We propose a new algorithm which provides rapid convergence to the target illumination by using a correlation of the illuminance and the luminance. We constructed with a dimmer experimental system, that is comprised of 15 fluorescent lights, and several movable illuminance sensors. The verification tests were carried out in the different environments using the proposed control method. We confirmed that the algorithm can provide good performance to environmental change and it is effective to energy saving.

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    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

    이미지

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  5. [해외논문]   強化学習問題のための分布推定アルゴリズム  

    Handa, Hisashi
    電氣學會論文誌. IEEJ Transactions on Electronics, Information and Systems. C : 電子·情報·システム v.130 no.5 ,pp. 758 - 765 , 2010 , 0385-4221 ,

    초록

    Estimation of Distribution Algorithms (EDAs) are a promising evolutionary computation method. Due to the use of probabilistic models, EDAs can outperform conventional evolutionary computation. In this paper, EDAs are extended to solve reinforcement learning problems which are a framework for autonomous agents. In the reinforcement learning problems, we have to find out better policy of agents such that it yields a large amount of reward for the agents in the future. In general, such policy can be represented by conditional probabilities of agents' actions, given the perceptual inputs. In order to estimate such a conditional probability distribution, Conditional Random Fields (CRFs) by Lafferty (2001) are introduced into EDAs. The reason why CRFs are adopted is that CRFs are able to learn conditional probabilistic distributions from a large amount of input-output data, i.e., episodes in the case of reinforcement learning problems. Computer simulations on Probabilistic Transition Problems and Perceptual Aliasing Maze Problems show the effectiveness of EDA-RL.

    원문보기

    원문보기
    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

    이미지

    Fig. 1 이미지
  6. [해외논문]   配送ルート最適化のための内部多世界GA  

    Sakurai, Yoshitaka , Onoyama, Takashi , Tsukamoto, Natsuki , Takada, Kouhei , Tsuruta, Setsuo
    電氣學會論文誌. IEEJ Transactions on Electronics, Information and Systems. C : 電子·情報·システム v.130 no.5 ,pp. 766 - 774 , 2010 , 0385-4221 ,

    초록

    A delivery route optimization that improves the efficiency of real time delivery or a distribution network requires to solve several tens to hundreds cities Traveling Salesman Problems (TSP) (1)(2) within interactive response time, with expert-level accuracy (less than about 3% of error rate). To meet these requirements, a multi-inner-world Genetic Algorithm (Miw-GA) method is developed. This method combines several types of GA's inner worlds. Each world of this method uses a different type of heuristics such as a 2-opt type mutation world and a block (Nearest Insertion) type mutation world. Comparison based on the results of experiments proved the method is superior to others and our previously proposed method.

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    원문보기
    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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    Fig. 1 이미지
  7. [해외논문]   木構造のランダムサンプリングによるGPの個体生成手法の提案と評価  

    Tanji, Makoto , Iba, Hitoshi
    電氣學會論文誌. IEEJ Transactions on Electronics, Information and Systems. C : 電子·情報·システム v.130 no.5 ,pp. 775 - 781 , 2010 , 0385-4221 ,

    초록

    We propose a new program evolution method named PORTS (Program Optimization by Random Tree Sampling) which is motivated by the idea of preservation and control of tree fragments in GP (Genetic Programming). We assume that to recombine genetic materials efficiently, tree fragments of any size should be preserved into the next generation. PORTS samples tree fragments and concatenates them by traversing and transitioning between promising trees instead of using subtree crossover and mutation. Because the size of a fragment preserved during a generation update follows a geometric distribution, merits of the method are that it is relatively easy to predict the behavior of tree fragments over time and to control sampling size, by changing a single parameter. From experimental results on RoyalTree, Symbolic Regression and 6-Multiplexer problem, we observed that the performance of PORTS is competitive with Simple GP. Furthermore, the average node size of optimal solutions obtained by PORTS was simple than Simple GP's result.

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    원문보기
    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

    이미지

    Fig. 1 이미지
  8. [해외논문]   距離に基づく生存選択を用いたDifferential Evolutionの構成法  

    Tagawa, Kiyoharu
    電氣學會論文誌. IEEJ Transactions on Electronics, Information and Systems. C : 電子·情報·システム v.130 no.5 ,pp. 782 - 789 , 2010 , 0385-4221 ,

    초록

    Survival selections are proposed for a new Differential Evolution (DE) based on the continuous generation model. Many of the conventional DEs have employed the discrete generation model. In the discrete generation model, two populations, namely, old one and new one, are used. Also, the members of the new population are generated from those of the old one. On the other hand, in the continuous generation model, only one population is used and a newborn individual is added to the population immediately. Besides better convergence, the new DE has some advantages. For instance, various survival selections can be easily introduced into the new DE. Therefore, three survival selections depending on the distance between individuals are proposed for the new DE. In order to evaluate the effectiveness of the proposed survival selections, not only the numerical experiment but also the statistical test is conducted on various benchmark problems.

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    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

    이미지

    Fig. 1 이미지
  9. [해외논문]   A Proposal of a Novel RFID Tag with Biomedical Signal Sensing Functions  

    Nakajima, Akira (Department of Computer Science and Electrical Engineering, Graduate School of Science and Technology, Kumamoto University ) , Inoue, Takahiro (Department of Computer Science and Electrical Engineering, Graduate School of Science and Technology, Kumamoto University ) , Tsuneda, Akio (Department of Computer Science and Electrical Engineering, Graduate School of Science and Technology, Kumamoto University)
    電氣學會論文誌. IEEJ Transactions on Electronics, Information and Systems. C : 電子·情報·システム v.130 no.5 ,pp. 790 - 798 , 2010 , 0385-4221 ,

    초록

    A novel RFID tag with sensing functions of biomedical signals is proposed in this paper. This RFID tag is developed for sensing heart rate, respiration, and body temperature of a human, which is intended for a secure and intensive health care of humans at hospital or at home. The features of this RFID tag are identification of indivisuals by ID call and collation, on-demand measurement of vital signals, and a medium-range(

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    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

    이미지

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  10. [해외논문]   MR拡散テンソル画像を用いた線維追跡法による統合失調症患者の大脳白質病変の解析  

    Yamamoto, Utako , Kobayashi, Tetsuo , Kito, Shinsuke , Koga, Yoshihiko
    電氣學會論文誌. IEEJ Transactions on Electronics, Information and Systems. C : 電子·情報·システム v.130 no.5 ,pp. 799 - 806 , 2010 , 0385-4221 ,

    초록

    We have analyzed cerebral white matter using magnetic resonance diffusion tensor imaging (MR-DTI) to measure the diffusion anisotropy of water molecules. The goal of this study is the quantitative evaluation of schizophrenia. Diffusion tensor images are acquired for patients with schizophrenia and healthy comparison subjects, group-matched for age, sex, and handedness. Fiber tracking is performed on the superior longitudinal fasciculus for the comparison between the patient and comparison groups. We have analysed and compared the cross-sectional area on the starting coronal plane and the mean and standard deviation of the fractional anisotropy and the apparent diffusion coefficient along fibers in the right and left hemispheres. In the right hemisphere, the cross-sectional areas in patient group are significantly smaller than those in the comparison group. Furthermore, in the comparison group, the cross-sectional areas in the right hemisphere are significantly larger than those in the left hemisphere, whereas there is no significant difference in the patient group. These results suggest that we may evaluate the disruption in white matter integrity in schizophrenic patients quantitatively by comparing the cross-sectional area of the superior longitudinal fasciculus in the right and left hemispheres.

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    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

    이미지

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