Innovation and Supply Chain Management
Online ISSN : 2187-8684
Print ISSN : 2187-0969
ISSN-L : 2185-0135
7 巻, 3 号
選択された号の論文の5件中1~5を表示しています
ISCM vol7no3
  • Yoshiki YAMAGATA, Hajime SEYA
    2013 年 7 巻 3 号 p. 75-82
    発行日: 2013/09/30
    公開日: 2014/04/02
    ジャーナル フリー
    This paper extends the concept of our proposed (Yamagata and Seya, 2012) community-based disaster resilient electricity sharing system (DRESS) as a complement or alternative to a feed-in tariff(FiT) to achieve CO2-neutral transportation in cities. In our proposed system, electricity generated from widely introduced solar photovoltaic panels (PVs) is stored in thecars not in use in a city. For example, almost half of the cars in the central Tokyo metropolitan area are used only on weekends and thus are kept parked during weekdays. These cars represent a huge new potential storage depot if they were replaced by electric vehicles (EVs), that is, they could be used as storage batteries in a V2G system. The present study extends our proposed system in the following two senses. Firstly, different from Yamagata and Seya (2012), this paper uses actual ground area data (footprint) of each building to estimate PV supply, which may lead to more accurate estimations. The results show that although the entire electricity surplus (PV supply minus demand) could be stored without waste if 12% of the EVs not in use were utilized as storage batteries at an aggregate (city) level,there exist significant regional mismatches at the local district level. Hence secondly, based on the geographical PV supply-demand estimates, this paper analyses the possibility of local electricity sharing by looking at the geographical distribution of high-storage potential areas using a spatial clustering technique. This paper extends the concept of our proposed (Yamagata and Seya, 2012) community-based disaster resilient electricity sharing system (DRESS) as a complement or alternative to a feed-in tariff(FiT) to achieve CO2-neutral transportation in cities. In our proposed system, electricity generated from widely introduced solar photovoltaic panels
  • Thomas BRUDERMANN, Romana RAUTER, Yoshiki YAMAGATA
    2013 年 7 巻 3 号 p. 83-
    発行日: 2013/09/30
    公開日: 2014/04/02
    ジャーナル フリー
    The current discussion on urban resilience is dominated by infrastructural and technological considerations. Although behavioral reactions to extreme events very well impact the overall resilience of urban systems, they are not very well considered. In order to close this gap, we review relevant insights on human decision making and collective dynamics, and propose a framework for studying behavioral aspects in the context of urban resilience. We findthat human decision making is often based on simple ‘heuristics'. Especially in emergency situations, e.g. during or in the aftermath of extreme events, simple decision making rules replace careful and rational assessment of different choice alternatives. However, collective reactions to extreme events are note only dependent on individual decisions, but are shaped by complex interactions of various system elements, including the natural and manmade environment, people's interactions with the environment, and people's interactions with each other. For a proper anticipation of possible collective reactions and their impact on urban systems, we suggest agent-based simulations which utilize decision making insights and interaction data gathered in experiments and in the field. The current discussion on urban resilience is dominated by infrastructural and technological considerations.
  • Chihiro WATANABE
    2013 年 7 巻 3 号 p. 92-104
    発行日: 2013/09/30
    公開日: 2014/04/02
    ジャーナル フリー
    Abstract: Dramatic advancement of the Internet has generated global simultaneous dependency on information technology (IT) which has, contrary to anticipation, resulted in the bi-polarization between IT advanced economies and IT growing economies. While the latter enjoy a virtuous cycle between advancement of IT and its productivity increase,IT advanced economies have fallen into a pit of a vicious cycle as further advancement of IT decreases its productivity. Consequently, countries in IT advanced economies suffer economic stagnation. Similar bi-polarization derived from beyond anticipation issue can also be observed in business performance in high-technology firms. Aiming at elucidating the inside the black box of the foregoing growth engine resulting in bi-polarization, an empirical analysis utilizing a new approach integrating techno-metrics, psychophysiology and advanced monitoring techniques is demonstrated thereby insightful suggestion to the above engine is provided. Innovation-consumption co-evolution based on co-evolutionary acclimatization strategy is suggested to be essential for a resilient business while maintaining efficiency. A platform toward this resilient business model is proposed. Dramatic advancement of the Internet has generated global simultaneous dependency on information technology (IT) which has, contrary to anticipation, resulted in the bi-polarization between IT advanced economies and IT growing economies. While the latter enjoy a virtuous cycle between advancement of IT and its productivity increase,IT advanced economies have fallen into a pit of a vicious cycle as further advancement of IT decreases its productivity.
  • Hiroshi MARUYAMA, Kazuhiro MINAMI
    2013 年 7 巻 3 号 p. 105-111
    発行日: 2013/09/30
    公開日: 2014/04/02
    ジャーナル フリー
    Some systems are resilient – they recover from unanticipated large scale perturbations and continue to exist – while others are not. We started a new project called “Systems Resilience” that aims to study underlying principles of resilience. We study a wide variety of domains, such as biology, ecology, economics, engineering, sociology, and business management, and extract common characteristics that differentiate resilient systems from non-resilient ones. We are building a mathematical model to represent these characteristics and to quantify resilience. Some systems are resilient – they recover from unanticipated large scale perturbations and continue to exist – while others are not. We started a new project called “Systems Resilience” that aims to study underlying principles of resilience. We study a wide variety of domains, such as biology, ecology, economics, engineering, sociology, and business management, and extract common characteristics that differentiate resilient systems from non-resilient ones.
  • Leena ILMOLA, John CASTI
    2013 年 7 巻 3 号 p. 112-124
    発行日: 2013/09/30
    公開日: 2014/04/02
    ジャーナル フリー
    This paper presents the materials, analyses and conclusions produced during the Seven Shocks and Finland project, an activity of IIASA (International Institute for Applied System Analysis) Exploratory Projects in June -December 2011. The primary objective of the project was to investigate the nature of the uncertainties and the resilience requirements that emerge from the complexity of the global social, political, economic and social systems. The longerterm goal was to examine resilience requirements from a decision-maker's perspective, and to define concrete actions and examples to improve national resilience.
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