Proceedings of the Conference of Transdisciplinary Federation of Science and Technology
The 8th Conference of Transdisciplinary Federation of Science and Technology
Displaying 1-50 of 92 articles from this issue
Program
  • S. Hiwa, T. Hiroyasu
    Session ID: A-1
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    Mindfulness is one of the most effective approach to promote our well-being. It is the state where one has been observing nonjudgmentally and focusing intentionally on one's current experience such as physical sensation. In this paper, for the purpose of supporting meditation practice, we quanti ed the resting and meditative states using brain activity data measured by functional nuclear magnetic resonance imaging. The difference between the meditation novices and experts has been revealed by our proposed method.
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  • Hideyuki Ando, Junji Watanabe, Han Long D. Chen, Kazuma Aoyama, Kyosuk ...
    Session ID: A-1
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    We started a research project to develop technology guidelines for promoting wellbeing, with focus on value systems seen in collectivist cultures such as Japan (i.e., the values generated from human relationships vis-à-vis the group one belongs to or one processes as objective). We will establish and disseminate information technology guidelines with an emphasis on how we can charge such cultural perception of wellbeing into information technology, and how information technology can approach problems in collectivist cultures.
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  • R. Matsuo, H. Kanai, M. Kosaka, T. Takayasu, S. Sekiguchi, H. Muramoto
    Session ID: A-2
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    This paper considers an analysis of healthcare data by using PLSA toward development of a health behavior promotion model. In order to apply PLSA to healthcare data, we adjust the weights of factors of healthcare data based on the patterns of health guidance and analyze the effectiveness of adjusting weights. The experimental result of clustering indicated that the clustering when adjusting weights brought about better clus-tering performance regarding the patterns of health guidance than clustering where the weights were fixed, by the evaluation measures: Precision, Recall and F-measure.Moreover, we found that increasing the degree of the weights enhances the clustering performance particularly in terms of Recall.
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  • M. Suzuki, M. Kosaka
    Session ID: A-2
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    The transport service as one of the social infrastructure service have characteristics such as “Intermediate goods”, “Move human or materials directly”, “Public goods” and “Poor in direct interaction between providers and customers”. Therefore, it is difficult to explain the service by existing service concept but it is known that SLA concept is suitable to explain the service. In this paper, I investigate the timetable as one of the components of SLA.As a result, I found out that the time interval, which is one of the elements of timetable, is important to evaluate the transport service.
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  • Toru Amano
    Session ID: A-2
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    Foreigners who visit Japan exceeded 30 million a year. It is inevitable that they will be disaster vulnerable people when a large-scale disaster occurs during their stay. But, countermeasures for that is not enough. In this report, we consider a way of evacuation induction, a plan of two step guidance, a possibility of business model for sufficient supply of private shelter by contract between private companies, and an activities to carry it out.
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  • Changeun CHO
    Session ID: A-2
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    Japan and Korea are becoming one of smart societies due to the development of ICT. On the other hand, damage of cybercrime such as ransomware and cyberattacks from overseas is increasing every year. Nowadays, strengthening cyber security has become the most important issue in order to maintain an environ-ment that can be in safe online use, which is essential for everyone's life. The cyber security policies of Japan and Korea emphasize public-private cooperation, but this requires close communication between government and enterprises. From a comparative case study of Japan and Korea, the way of cyber security communication between the government and enterprises will be examined.
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  • F. Yamagishi, Y. Mori
    Session ID: A-4
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    This study pays attention to the battery exchange type electric bike as environmental protection vehicle and makes it widely available as new transportation in urban areas. When driving on this bike, if the battery runs out, user replaces the battery and continues driving. Unlike conventional vehicle, this bike doesn`t take a charge times. This is what we work for realization of Smart Cities. The characteristic problems of this bike are shortness of cruising distance and early battery deterioration. The battery of this bike is small, because this battery was designed for easy replacement by anyone. So, the purpose of study is solving these problems for realization and makes it widely available. This study constructs vehicle speed pattern which suppresses battery deterioration and the slowdown and reduces the battery exchange number of the times. And, we suggest the systems deciding exchange timing, the vehicle speed pattern and the electricity power output to the destination.
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  • Report 4: Proposal of Dual Design Engineering)
    Y. Kado, K. Aoyama
    Session ID: A-4
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    The authors are developing a design support system to create a new mission in the space field. The system is a design support tool used in conjunction with the CAE tool used in product design. In addition, it handles the input parameters of the CAE tool by dividing it into two pieces of information.
    For the promotion of domestic industry, we are promoting the application of the system to industries other than space industry. For application to various industries, we thought that it would be better to divide the CAE tool information based on duality. In this report, we show examples of information definition based on duality and examples of application to design, and show possibility of interchange of different industries.
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  • Dual Chain of Enterprise vs. Physics Body and Lattice-Structured Solution
    M. Matsui
    Session ID: A-5
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    The formulation of artifacts would be probably possible by Matsui’s matrix equation (Matsui’s ME, 2009) and its sandwich body. This paper explores this plausibility in 2016 and 2017 toward the nature vs. artifacts science and its visibility, and points out the dual-chain system of SW-body and its lattice structure. Probably, the sandwich vs. duality solution of Matsui‘s ME would be sublated at the intervention (existence) of Euler’s formula. By the paper, it is revealed that our matrix approach would be useful to the higher manage-ment of enterprise or artifacts in the real-time world.
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  • N. Ishii, M. Ohba, H. Fujikawa
    Session ID: A-5
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    In the manufacturing industry, each company that makes up a supply chain adds value to the final products through the chain. Although each company is indispensable to obtain the final product, the importance of each company and the evaluation of the entire supply chain varies depending on the possibility of alternative companies or the state of information sharing among the companies, and so on. In this presentation, we express the supply chain in a matrix style and apply the page rank idea used in Web page ranking to try to evaluate the importance of each company and the entire supply chain.
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  • M. Ohba, Y. Nakamura, S. Kumagai
    Session ID: A-5
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    This research built a model for evaluating inventory in terms not only of cost but also of asset value, considering the relationship with demand fluctuations and production process. Inventory is regarded as a distinct activity in the process and that value is evaluated, taking into account the price of final product, possibility of sales, resource losses and uncertainty of unrealized profit. Inventory value is computed applying the model to the manufacturing process of fabric wire for papermaking.
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  • S. Mori, M. Hisakado, T. Takahashi
    Session ID: B-1
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    Collective intelligence is a mechanism to aggregate information held by many agents and generate useful information. In order for the generated information to be useful, it is a sufficient condition that the agents should independently generate information to be aggregated. On the other hand, in the case of humans, as they give priority to the return of each individual, not to the accuracy of the collective intelligence, they often use social learning and imitate the choices and actions of others. Independence of information to be aggregated is not preserved and the collective intelligence mechanism does not function. We conducted an information cascade experiment using two-choice general knowledge quizzes. When quizzes are easy, collective intelligence functions and the correct answer rate improves. However, when the quizzes are difficult, it becomes random whether the correct answer rate improves or deteriorates This change is a phase transition due to a change in the number of stable states of nonlinear Polya urn process. The essence of the phase transition is whether the in uence of the rst subject's choice (Domino effect) percolates or not in the in nitely long subjects' sequence.
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  • K. Nakayama, S. Mori
    Session ID: B-1
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    We study a model for social-learning agents in a restless multiarmed bandit (rMAB). The rMAB has one good arm that changes to a bad one with a certain probability. Each agent seeks the good arm by random search with probability 1-r, or copying information from other agents (social learning) with probability r. Each agent’s fitness is the probability to know the good arm. In this model, we explicitly construct the unique Nash equilibrium state and show that the corresponding strategy for each agent is an evolutionarily stable strategy (ESS) in the sense of Thomas. The ESS Nash equilibrium is a solution to Rogers ’paradox. We also consider the space of mixed strategies and introduce a natural dynamics aiming at increasing each agent’s fitness. It is shown that the dynamics converges to the ESS Nash equilibrium.
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  • K. Nakajima
    Session ID: B-1
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    Reservoir computing (RC) was first proposed as a framework to train recurrent neural networks. In this framework, a low-dimensional input is projected to high-dimensional dynamical systems, which are typi-cally referred to as a reservoir. If the dynamics of the reservoir involve adequate nonlinearity and memory, em-ulating nonlinear dynamical systems only requires adding a linear, static readout from the high-dimensional state space of the reservoir. Because of its generic nature, RC is not limited to digital simulations of neural net-works, and any high-dimensional dynamical system can serve as a reservoir if it has the appropriate properties. The approach using a physical entity rather than abstract computational units as a reservoir is called physical reservoir computing (PRC). In this presentation, several novel platforms based on PRC are introduced using physical substrates. These platforms include soft materials (e.g., silicone-based soft robotic arm) and faraday waves generated on the water surface (which we call, “physical liquid state machines”), and they illustrate the potentials of the framework through a number of experiments. The focus will particularly be on how dynamical system aspects can provide a novel view of the PRC framework, including the relevance of noise-induced phe-nomena or random dynamical systems.
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  • T. Takahashi
    Session ID: B-1
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    Recently, neuroeconomics---a unified discipline of economics and neuroscience---has been developed. Research topics of neuroeconomics include neural processing underlying decision under risk, intertemporal choice, and social preferences. Studies in neuroeconomics have revealed that human judgment and decision making usually violates classical rationality (e.g., Kolmogorovian probability theory, exponential time-discounting, von Neumann-Morgenstern’s expected utility theory). We observed that rationality and intelligence defined in terms of neuroeconomics is related to human intelligence and rationality in terms of cognitive science. These findings are relevant to problems in financial markets, artificial intelligence, and robotics.
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  • T. Namerikawa
    Session ID: B-3
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    This paper deals with distributed and optimal real-time pricing problem in electricity market and power grids. After consumers, generators, and ISO are defined, a distributed and optimal pricing problem is formulated.
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  • An analysis on the Crowding-out effect of pro-environmental behavior induced by providing incentives
    E. Sawada
    Session ID: B-3
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    This paper proposes an ecnomic modeling for human moral and human decision making in the context of electricity saving by the pro-environmental motivation. Former studies on the moral modeling have alreay proposed a variety of ways to express the moral motivation starting from the discussion of “warm glow”. Recently, another way of modeling “kantian model” is widely accepted. And now it is well known that providing incentives sometimes negatively impact on the human decision making, that is, providing incentives to the environmental friendly behavior could result in the reducion of the pro-environmental behavior. We call such effect “crowding-out”. In the manuscript, we firstly explain the household electricity consumption decision model. And next, we introduce the two major energy policies, critical-peak pricing and negawatt trading. After that, we formulate the human moral by applying the kantian way of modeling to the energy consumption decision making. When considering the human moral, we show that the crowding-out surely reduce the amount of electricity saving. And furthermore, we show that the magnitude of crowding-out differes under the different energy policies. We therefore conclude that the policy choice is closely related to the human moral and the magnitude of the crowding-out could change the order of effectiveness of different policies.
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  • K. Hanada, T. Wada, I. Masubuchi, T. Asai, Y. Fujisaki
    Session ID: B-3
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    A distributed road balancing problem via a consensus algorithm over a noisy network is investi- gated. The topology of the network which de nes the availability of communication among agents is assumed to be represented as a directed and strongly connected graph. The convergence analysis of the algorithm reveals an explicit relation between the number of iterations and the closeness of the agreement, which gives a stopping rule for the consensus algorithm. The result is illustrated through a numerical example.
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  • K. Tanaka
    Session ID: B-3
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    In recent year, energy saving becomes more important implementation to overcome climate change and energy problem in Japan. One of the key ways to encourage people to do energy saving behavior is the implementation based on the people’s psychological factors. In fact, researchers in an experimental and behavioral economics field try to reveal the effect of such factors how much affect the energy saving be-havior. Based on these back ground, this study review previous studies that try to reveal the relationship between the energy saving behavior. Finally, this study concludes the future role of a demand side con-trol using by the finding of experimental and behavioral economics field.
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  • R. Satouchi, K. Kawano, T. Ohtsuka
    Session ID: B-3
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    We discuss a real-time pricing method for an electric power system based on model predictive control (MPC) by the real-time optimization and estimation of a consumer's parameter using a particle lter. Consumer characteristics are modeled by a sigmoidal demand function that represents saturation effects and the price elasticity of demand, and the price elasticity is estimated on line by a particle lter. Then, the electricity price is determined by MPC to suppress the frequency deviation in the entire power system and the deviation of power consumption in heat pump water heaters. We conducted numerical simulations to compare the performance of our proposed method with that of the direct control scheme used in the previous research. We demonstrate that a supply-demand balance is achieved by price presentation in spite of a large uctuation in wind power and the uncertainty in a consumer's parameter.
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  • S. Sato
    Session ID: B-4
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    This paper focuses on a nonlinear stochastic system, which is a dynamical system possessing nonlinearity and probabilistic uncertainty. First, the concept of stochastic differential equation is briefly explained as a system representation. Second, stochastic analysis necessary for analysis and controller design in stochastic control is summarized. One of the main advantage of stochastic system control is to achieve given control objectives with uncertainties rigorously taken into account.
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  • A Trial of Integrating Control Theory and Dynamical Systems Theory
    M. Inoue
    Session ID: B-4
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    In this manuscript, we introduce a trial of integrating two research elds of control theory and dynamical systems theory. We consider a class of uncertain dynamical systems. Then, a problem of robust bifurcation analysis is formulated, and the solution is given.
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  • Theory and Applications
    Y. Ebihara
    Session ID: B-4
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    A dynamical system is said to be positive if its state and output are always nonnegative for any nonnegative initial state and any nonnegative input. Since positive systems frequently appear in those fields of engineering, economics, biology, chemistry, pharmacy, etc., and since convex optimization works particularly fine for the analysis and synthesis of positive systems, intensive research effort has been made along this direction. In this note, we briefly review recent results on the analysis and synthesis of positive systems using convex optimization and their applications.
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  • T. Kanazawa
    Session ID: B-4
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    The population game is a model of interactions in populations with many sel sh agents. In population games, focusing on evolutions of distributions of agents' behaviors in populations instead of behaviors of each agent, we can discuss several problems caused by sel sh behaviors of many agents. In this paper, we introduce the population games and its control method based on a taxation and a subsidization to each agent.
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  • T. Ohtsuka
    Session ID: B-4
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    This paper describes concepts and applications of real-time optimization (RTO) and model predictive control (MPC), which are active areas of research in the systems and control community. At each sampling time of MPC, the system response is predicted and optimized over a nite future. Therefore, RTO is a key component of MPC, particularly for nonlinear systems. In recent years, progresses in numerical algorithms and computing power have been widening application areas of MPC from traditional chemical processes to fast nonlinear mechanical systems. Some software tools have also been developed to automate programming of numerical algorithms for MPC. Symbolic computation is an essential element in automatic code generation for MPC of nonlinear systems with complicated mathematical models.
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  • T. Funatomi
    Session ID: C-1
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    Regression analysis is one of the popular statistical tools to construct a predictive model of a scalar variable. For constructing a predictive model of an event in 2D/3D space, a 2D/3D vector is used to represent the event and the predictive models are constructed for each of the elements of the vector inde- pendently. In this paper, we focus on geometric transforms in 2D/3D space such as rotation and translation and formulate regression analysis on them using geometric algebra. We demonstrate the descriptive power of the model using some applications.
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  • J. Takamatsu
    Session ID: C-1
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    As social environmental changes, such as reduction of birth rate, aging population and both working, increasing activities of life support robots is expected. Though we have developed fundamental technologies for the robots, we did not evaluate the technologies from consumers' point of views. In this document, we rst introduce the opinions of home-economics researchers about current life support robots. Next, we recon gure the technologies that we developed based on the opinions. Finally, we describe the singularities of life support robots viewing from home economics.
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  • T. Fujiwara, T. Takemori, W. Qi, T. Kamegawa, Y. Suzuki, Y. Bando, H. ...
    Session ID: C-4
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    There is a need for inspections of the inside of aging pipe arrangements without dismantlement in plant facilities. Snake robots are expected to be deployed as a solution for it. In this study, we developed a teleoperation interface system that visualized snake robot shapes and contact forces applied from pipes, stabilized video feeds from a head camera, built a pipe map based on a snake robot trajectory, and took pictures of the inside of pipes for image mapping onto the pipe map.
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  • Improvement of mobility by using new leg mechanism
    K. Nagayama, A. Saito, K. Ito, T. Oomichi, S. Ashizawa, F. Matsuno
    Session ID: C-4
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    Maintenance and inspection of old buildings, bridges, tunnels, and so on are important tasks of robots. In our previous work, for such tasks, we developed a multi-legged robot that climbs an unknown verti-cal wall by using suckers. In this report, we improve the mechanism of the leg and develop a six-legged robot that has higher mobility than previous one.
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  • S. Ashizawa, S. Suzuki, K. Sakakibara, K. Shibata, T. Hayashi, T. Oomi ...
    Session ID: C-4
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    In this paper, we describe the development of the suction component which can adsorb to various walls. Conventional suction components cannot adsorb walls with undulations and irregularities. The suction component developed has a structure in which the suction part and the holding part are separated. The suction part can conform to the target surface by using a flexible sealing material. The problem with the developed adsorption component is that it requires a large suction flow rate. Therefore, the suction part was reexamined. By combining a plurality of flexible materials it was possible to reduce the required suction flow rate.
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  • Focusing on rebound and ripple effects
    M. Shinozuka, T. Origuchi, Y. Munesue, Y. Kanamori, T. Masui
    Session ID: C-5
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    Information and communications technology (ICT) services have the potential for carbon dioxide (CO2) emission reduction and economic growth. However, the money or time saved by using ICT services may increase CO2 emissions, which is called the rebound effect. We developed an integrated model based on the static computable general equilibrium model to assess the environmental and economic impacts on productive activation and users’ behavior changes due to ICT services usage. CO2 abatement and increase in the gross domestic product were estimated with our model.
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  • T. Masui
    Session ID: C-5
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    This paper explains the background and structure of the new mathematical model to assess sustainability in Japan. The core part of this model is a computable general equilibrium model, and various environmental issues such as greenhouse gas emissions, solid waste, water environment and land use are included. In addition to that, in order to assess the societal problems such as aging society and economic disparity in Japan, the model has households classified by the age of the household head. Based on the simulation using this model and the discussion with stakeholders, the expected sustainable society in Japan will be quantified.
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  • T. Taniguchi
    Session ID: D-1
    Published: 2017
    Released on J-STAGE: February 18, 2018
    CONFERENCE PROCEEDINGS OPEN ACCESS
    We still have huge challenges in artificial intelligence and robotics when we attempt to introduce autonomous robots into our daily environment, e.g., home and offices. Machine learning methods, especially deep learning, have already achieved huge success in many pattern recognition tasks that are carefully prepared and in which each system are expected to learn a global rule. However, each robot has to adapt to each local environment not only physically but also semantically via interaction with people living there. We need to invent more adaptive intelligence based on unsupervised learning. In this talk, I introduce the R-GIRO project called “International and Interdisciplinary Research Center for the Next-generation Artificial Intelligence and Semiotics” funded by Ritsumeikan University, and talk about future challenges in this field.
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