• 제목/요약/키워드: sustainable technology

검색결과 2,017건 처리시간 0.027초

지속가능한 u-City 서비스를 위한 센서망의 구조 및 구축 절차 개선 (Improvement of Architecture and Building Process of Sensor Network for Sustainable u-City Service)

  • 최연석;박병태
    • 대한안전경영과학회지
    • /
    • 제14권1호
    • /
    • pp.137-145
    • /
    • 2012
  • In the previous study, the construction guide line of IT infra-structure for a u-City was introduced. However, it is only concentrated on the components and construction procedure for provider-oriented and technology-oriented sensor networks. In this paper the architecture and building process of demander-oriented sensor networks for sustainable u-City service are proposed. In the paper it is described (1) the enhancement methods of the procedure that can be flexibly constructed according to the scale of the project, (2) the methods that can improve the structure from the wireless sensor network such as RFID/USN to the hybrid sensor network, and (3) the consideration factors for providing the sustainable u-City service.

A review of the philippine green building rating system, BERDE in comparison with G-SEED and LEED

  • Culiao, Rudiliza;Tae, Sungho;Kim, Rakhyun
    • The International Journal of Sustainable Building Technology and Urban Development
    • /
    • 제9권2호
    • /
    • pp.87-94
    • /
    • 2018
  • Different countries create their own green building rating system to be in line with sustainable development as a response to the urgent call for solution for Climate Change and degradation of the environment due to rapid population growth and economic development. This study conducts a critical review on the Philippine national voluntary green building rating system, BERDE, in comparison with South Korea's national voluntary green building rating system, G-SEED and U.S. rating system LEED. Their categories, building types assessed, and assessment methods were compared side by side to seek better practice(s) for green building rating assessment for Philippine green building projects.

Synthesis of four-bar linkage motion generation using optimization algorithms

  • Phukaokaew, Wisanu;Sleesongsom, Suwin;Panagant, Natee;Bureerat, Sujin
    • Advances in Computational Design
    • /
    • 제4권3호
    • /
    • pp.197-210
    • /
    • 2019
  • Motion generation of a four-bar linkage is a type of mechanism synthesis that has a wide range of applications such as a pick-and-place operation in manufacturing. In this research, the use of meta-heuristics for motion generation of a four-bar linkage is demonstrated. Three problems of motion generation were posed as a constrained optimization probably using the weighted sum technique to handle two types of tracking errors. A simple penalty function technique was used to deal with design constraints while three meta-heuristics including differential evolution (DE), self-adaptive differential evolution (JADE) and teaching learning based optimization (TLBO) were employed to solve the problems. Comparative results and the effect of the constraint handling technique are illustrated and discussed.

The Sustainable Value and Belief of Multicultural Intelligence on Start-ups

  • Um, Hyemi;Han, Aram
    • Journal of Information Technology Applications and Management
    • /
    • 제28권2호
    • /
    • pp.17-33
    • /
    • 2021
  • Korean society is changing into multicultural society with increasing international marriage and immigrant influx. The increasing number of immigrants in Korean society suggests the necessity of social and economic integration of people with diverse cultural backgrounds. We study the entrepreneurial intention of multicultural immigrant. Cultural intelligence is closely related with sustainable value and belief to their eagerness in surviving of the 2nd country. Cultural intelligence is the individual's capability to function or manage effectively in different cultural settings or in multicultural settings. It is assumed that the cultural intelligence of multicultural immigrant might affect the entrepreneurial intention. Based on the theory of planned behavior, we set up the research model. 243 usable responses of multicultural immigrants in Korea were analyzed. Our findings suggest that cultural intelligence positively affected entrepreneurial intention by affecting subjective norm and perceived behavior control. This study contributed the study of the entrepreneurial intention and multicultural immigrant.

Integrating Values in Education: Managing Learning Crisis for Sustainable and Holistic Achievement

  • Romkanta Pokhrel
    • Journal of Information Technology Applications and Management
    • /
    • 제28권5호
    • /
    • pp.1-16
    • /
    • 2021
  • This paper attempts to explore the need and importance of values integration in educational activities to mitigate learning crisis and promote sustainable learning achievement. The traditional approach, commercial motive, focus on instrumental knowledge coupled with many other contemporary issues have collectively smothered the fundamental humanistic principles of education. To avert the situation and execute the core objectives, we need to shift our focus: a shift from instrumental knowledge to humanistic-transformational knowledge; a shift from the traditional approach of supplying and storing information to learning to deal with the real-world problems; a shift from head to heart. Values integration is an attempt to initiate and promote this shift. Rather than teaching values and moral principles under a particular subject heading, values need to be a part of everyday in-school and out-school activities. To concretize this concept, a model is proposed in this study as a holistic model of values integration via whole school ambiances and community support.

국제 공동 연구를 통한 태양에너지 활용 열화학 물분해 그린 수소 생산 연구 및 E-fuel 생산 연구 동향 보고 (Hydrogen and E-Fuel Production via Thermo-chemical Water Splitting Using Solar Energy)

  • 조현석
    • 신재생에너지
    • /
    • 제20권1호
    • /
    • pp.110-115
    • /
    • 2024
  • Global sustainable energy needs and carbon neutrality goals make hydrogen a key future energy source. South Korea and Japan lead with proactive hydrogen policies, including South Korea's Hydrogen Law and Japan's strategy updates aiming for a hydrogen-centric society by 2050. A notable advance is the solar thermal chemical water-splitting cycle for green hydrogen production, spotlighted by Korea Institute of Energy Research (KIER) and Niigata University's joint initiative. This method uses solar energy to split water into hydrogen and oxygen, offering a carbon-neutral hydrogen production route. The study focuses on international collaboration in solar energy for thermochemical water-splitting and E-fuel production, highlighting breakthroughs in catalyst and reactor design to enhance solar thermal technology's commercial viability for sustainable fuel production. Collaborations, like ARENA in Australia, target global carbon emission reduction and energy system sustainability, contributing to a cleaner, sustainable energy future.

Understanding Customer Intention to Adopt Sustainable IT Products through Two Dimensional Value Structure and Perceived Sustainability

  • Kwon, Ohbyung;Song, Myung Sup
    • Asia pacific journal of information systems
    • /
    • 제22권3호
    • /
    • pp.29-52
    • /
    • 2012
  • As sustainability has grown into a key global issue, more and more information technology (IT) products have adopted these concepts to attract consumers. However, these products potentially require consumers' physical or economic sacrifice at least for a short period of time. Therefore, the reason of consumers' adoption of sustainable IT products cannot be fully explained by the two traditional values: hedonic and utility values. However, expectancy-value theory, which has been used to explain the relationship between value and behavior, still takes hedonic value and utility value into consideration. The purpose of this study is to suggest an amended expectancy-value theory to better explain the adoption of IT products that consider sustainability. For this purpose, two social values-the normative value based on the Schwartz's model of moral norm and the eudemonic value of the Stoic philosophy-were added to the individual values to examine which value particularly influences the adoption of sustainable IT products. In addition, the moderating effect of perceived sustainability between four values and adoption of sustainable IT products was verified.

  • PDF

Using ICT for Mongolia's sustainable development in energy industry

  • Tungalag, Azjargal;Kim, Yun Seon
    • Asia Pacific Journal of Business Review
    • /
    • 제2권1호
    • /
    • pp.21-52
    • /
    • 2017
  • Nowadays every technology is becoming smarter. Consequently, intensive use of ICT in the whole industries and cities enables a sustainable approach to meet enormous productivity, efficiency, transparency and conservation of natural recourses. Likewise, the role of ICT in terms of controlling, monitoring in the energy industry allows integrating potential renewables, bulk energy conservation and reliable optimized operation in the entire system. In this paper outlines challenging issues in renewable energy integration in Mongolia and proposes potential recommendations and conclusions. The author investigated the main technologies used in energy industry mainly smart grid, challenges and policy aspect in Mongolian energy sector by using the primary and secondary approach with case studies and literature based methodologies. Based on the policy aspect and current implementation of smart grid, the paper tries to address the readiness for the main application and future potential ICT driven applications. Furthermore, it concluded that ICT convergence is demanded to overcome the current vulnerabilities and significant momentum to leave behind by using its potential energy recourses and favorable geographical state. Policymakers may find this study useful, as it answers the question of whether ICT investment can ultimately reduce energy consumption and may aid in future planning. Even tough, in order to develop a smart grid and integrating renewables firstly set an appropriate market structure, ICT will key enabler to make energy system more profitable and sustainable. Regarding the result of this study, ICT deployment contribution is a huge demand for future opportunities energy in Mongolia.

Sustainable Fresh Water Resources Management in Northern Kuwait-A Remote Sensing View From Raudatain Basin

  • Saif ud din;Dousari Ahmad AI;Ghadban Abdulnabi AI
    • 대한원격탐사학회:학술대회논문집
    • /
    • 대한원격탐사학회 2005년도 Proceedings of ISRS 2005
    • /
    • pp.153-164
    • /
    • 2005
  • The paper presents time and cost effective remote sensing technology to estimate recharge potential of fresh water shallow aquifers for their sustainable management in arid ecosystem. Precipitation measurement of Raudatain Basin in Kuwait from TRMM data has been made and integrated with geological, geomorphological and hyrological data, to estimate the recharge potential of the basin. The total potential recharge to the area is estimated as 333.964 MCM annually. The initial losses are estimated at $60\%$ of the net precipitation .The net available quantity for recharge is 133.58 MCM. For sustainable management of the ground water resources, recharge wells have been proposed in the higher order streams to augment the Raudatain aquifer in Kuwait. If the available quantity of precipitation can be successfully utilized, it will reduce considerable pressure on desalination, which is leading to increased salinity off the coast in Arabian Gulf.

  • PDF

지속가능한 이용을 위한 해양공간관리의 개념과 원칙에 대한 고찰 (Considering Concepts and Principles of Marine Spatial Management for Sustainable Use of Marine Resources)

  • 이문숙
    • Ocean and Polar Research
    • /
    • 제33권4호
    • /
    • pp.497-506
    • /
    • 2011
  • The rapid industrial and technological development has made the human activities for the utilization of marine resources more complex. Marine spatial management is a space-based approach. It is a comprehensive and integrated management approach. The ultimate goal of marine spatial management is the "sustainable use" of marine resources. The partial approach is applied in the existing marine spatial management, mainly coastal zones which involves integrated approach. Also this showed various limitations including restricted mostly to coastal zones, and limitation to implementation tools. However, for marine spatial management to have a reasonable approach that attaches importance to the relationship between humans and the holistic ecosystem, it is important to internalize a central principle in marine spatial management that focuses on the sustainable use of marine resources. In the present study, four central principles are proposed that will eventually be applied through marine spatial management planning tools. These principles are 1) the establishment of a cooperative decision making and planning system that is based on stakeholder participation; 2) scientific assessment of the current status and impact on the basis of ecology, sociology, and economics; 3) reasonable and optimal spatial assignment based on the forecasting of future-use characteristics and environmental changes; and 4) ascribing importance to the implementation of the results of rational planning processes.