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최태일(Tae-Il Choi) 대한전기학회 2019 전기학회논문지 Vol.68 No.8
Energy Management System (EMS) is a system of tools used to monitor, control and optimize the generation, delivery and/or consumption of energy. An inTegrated Energy Management System (TEMS) had been developed to manage electricity, heat, gas and water, and installed to testify the performance of energy efficiency. Test results proved the successful energy saving effect and tried to apply to a university focusing on the economic point of view. After showing considerable amount of energy saving than expected, TEMS will be expected to expand to other universities, factories and buildings, contributing to the reduction of CO₂ emission.
최태길 ( Tae Kil Choi ),홍나경 ( Na Kyoung Hong ),임청룡 ( Qing Long Lin ),김태균 ( Tae Kyun Kim ) 한국축산경영학회 2010 농업경영정책연구 Vol.37 No.4
This study estimates potential demand for therapeutic riding. 159 consumers were sampled and surveyed to examine their preference on therapeutic riding. Both ordered logit model and ordered probit model were used to estimate. Based on estimated coefficients from the models, the results show that cost, income, and age are important factors in explaining potential demand for therapeutic riding. The results also indicate that the potential demand for therapeutic riding is sufficient. With the increase in personal income and in government subsidy for the cost, the potential demand for therapeutic riding will grow. The results of this paper may provide useful information in order to expand the market size of the therapeutic riding in Korea.
한국에 생육하는 소나무아속의 화분형태학적 특성에 의한 종간 유사성
최태기 한국자원식물학회 2004 한국자원식물학회지 Vol.17 No.2
The present study has measured eight pollen morphological parameters of Diploxylonspecies in Korea by light microscopy (LM). The results are as follows; 1. Diploxylon species in Korea showed significant (P<0.01) interspecific difference in theirpollen morphological parameters.2. The discriminant analysis based on the pollen morphological parameters demonstratedthat the classification ratio of Diploxylon was 49.9%. The maximum was at Pinus banksiana(72.8%) and the minimum was at P. sylvestris (62.2%).3. The relationship among theDiploxylon species based on their pollen morphologicalparameters showed that P. densifloraand P. sylvestriswere had the closest relationship whileP. rigidaand P. banksianahad the least relationship.
최태일(Tae-Il Choi) 대한전기학회 2019 전기학회논문지 Vol.68 No.9
A record-breaking heatwave of long-term disasters last summer was a serious threat to public safety. Since the power equipment of an apartment is owned by the customer, there is a limit to the power company providing the service in case of power outage. In order to overcome this problem and continuously supply stable electric power to the people, we developed a remote monitoring and control system of apartment power equipment using artificial intelligence (AI) sensors. AI sensors can prevent power outages by notifying power companies and apartments managers in real time when an overload or an unbalance occurs in the transformers of an apartment power equipment. A pilot system was installed in two apartments in the Seoul area, and after evaluating the effect of the operation, the system will be expanded to other areas.