• Proceedings of the KIPE Conference
• /
• 1998.07a
• /
• pp.384-387
• /
• 1998

This paper presents a newly developed speed sensorless drive using RLS(Recursive Least Squares) based on Neural Network Training Algorithm. The proposed algorithm based on the RLS has just the time-varying learning rate, while the well-known back-propagation (or generalized delta rule) algorithm based on gradient descent has a constant learning rate. The number of iterations required by the new algorithm to converge is less than that of the back-propagation algorithm. The RLS based on NN is used to adjust the motor speed so that the neural model output follows the desired trajectory. This mechanism forces the estimated speed to follow precisely the actual motor speed. In this paper, a flux estimation strategy using filter concept is discussed. The theoretical analysis and experimental results to verify the effectiveness of the proposed analysis and the proposed control strategy are described.

• East Asian mathematical journal
• /
• v.32 no.2
• /
• pp.253-289
• /
• 2016

This study attempted to figure out new teaching method of mathematics teaching-learning by applying Polya's 4-level strategy to mild disability students at the H Special-education high school where the research works for. In particular, epilogue and suggestion, which Polya stressed were selected and reconstructed for mild disability students. Prior test and post test were carried by putting the Polya's problem solving strategy as independent variable, and problem solving ability as dependent variable. As a result, by continual use of Polya's program in mathematics teaching course, it suggested necessary strategies to solve mathematics problems for mild disability students and was proven that Polya's heuristic training was of help to improve problem solving in mathematics.

• Proceedings of the Korean Nuclear Society Conference
• /
• 1998.05a
• /
• pp.833-837
• /
• 1998

This paper presents preliminary findings regarding a modeling framework under development for use in a multi-attribute decision model for advanced emergency operating procedures(EOPs). This model provides a means for optimal decision making strategy for advanced emergency operating procedures conceptualizing the dynamic coordination of responsibilities and information in the human system interactions with advanced reactor systems. For the purpose of evaluation of the applicability of this modeling framework, an empirical case study for a post-cooldown strategy during an steam generator tube rupture (SGTR) accident was carried out. As a result, it was found empirically that the multi-attribute decision model is a useful tool for establishing advanced EOPs that reduce the operator's cognitive and decision making burden during the accident mitigation process.

• Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
• /
• 2008.10a
• /
• pp.375-378
• /
• 2008

As a result of the research project of IEC 61830 based substation automation system related products have launched on the domestic market. Accordingly, power utility such as KEPCO need to make strategy to operate and apply this new system optimally to power system Providing reliability analysis of domestic trial IED products, commercialization, training of engineering staffs and standardization will result in improving reliability and making rower system stable.

• Culinary science and hospitality research
• /
• v.7 no.2
• /
• pp.1-24
• /
• 2001

A Study on the strategic methods for internal marketing of Family Restaurant. We know that customer satisfaction in measuring the effect of marketing performance on employees in service industry. There are four strategies of internal marketing for service-employee, which are participation-promotion and manner-management of employee, classification to employee, communication strategy, motivation environment for employee. First, communication, sales and service technology of employee can be developed and improved through the education and training. Second, company can make better achievement by classifying life-style and individual desire. Third, communication strategy can improve service quality by development of team-work through the confidence and joint-responsibility. Fourth. the company make environment which employee can compete by offering incentive fairly and properly. In the conclusion, when employees serve customers in a depressed attitude, they neglect service process and bring about customer non-satisfaction. This have negative effect on external customer satisfaction in the short term. And so that customer-satisfaction can't exist without employee-satisfaction. that is job-satisfaction is the goal of company. therefore study about internal marketing action should be go on.

• Proceedings of the Earthquake Engineering Society of Korea Conference
• /
• 2003.03a
• /
• pp.473-480
• /
• 2003

A new semiactive control strategy for seismic response reduction using a neuro-controller and a magnetorheological (MR) fluid damper is proposed. The proposed control system adopts a clipped algorithm which induces the MR damper to generate approximately the desired force. The improved neuro-controller, which was developed by employing the training algorithm based on a cost function and the sensitivity evaluation algorithm replacing an emulator neural network, produces the desired active control force, and then by using the clipped algorithm the appropriate command voltage is selected in order to cause the MR damper to generate the desired control force. The simulation results show that the proposed semiactive neuro-control algorithm is quite effective to reduce seismic responses. In addition, the semiactive control system using MR fluid dampers has many attractive features, such as bounded-input, bounded-output stability and small energy requirements. The results of this investigation, therefore, indicate that the proposed semiactive neuro-control strategy using MR fluid dampers could be effective used for control seismically excited structures.

• Journal of the Korean Society of Earth Science Education
• /
• v.4 no.2
• /
• pp.177-185
• /
• 2011

This survey investigated elementary school teachers' Astronomical Spatial Concept and their Attitudes about Astronomy for Effectively Teaching Strategy. This study surveyed 53 teachers in Ulsan. The data were statistically analyzed by SPSS WIN 18.0. The results of this study are as follows : First, Elementary school teachers' level of understanding of the concept of astronomical space, usually lower. In particular, the lower the level of understanding of the concept of spatial location. Second, Elementary teachers' attitudes about astronomy, astronomers generally appreciate the value of the information and guidance, but difficult for astronomers had recognized. Third, the concept of space and astronomy astronomical elementary teacher attitudes about sex and there was no significant difference according to the teaching career. Therefore, in order to develop effective teaching strategies for elementary teachers attitudes about astronomy and astronomical space concepts from their spatial position to increase the understanding of astronomy, often on the job training to strengthen the astronomers should eliminate the difficulties.

• Journal of Fisheries and Marine Sciences Education
• /
• v.23 no.2
• /
• pp.290-301
• /
• 2011

The purposes of this study were to test differences in conflict-resolving strategies and emotional intelligence based on children's peer status, and to verify the discriminance of conflict-resolving strategies and emotional intelligence for peer status. 58 popular children and 52 rejected children from 4 elementary school were selected, and the data were analyzed with independent sample t-test and discriminant analysis. The research findings are as follows: First, negotiation- and cooperation-strategies (sub-factors of conflict-resolving strategy) and emotional intelligence showed statistically significant differences between popular children and rejected children, while other sub-factors of conflict-resolving strategy and sub-factors of emotional intelligence showed indifference between them. Second, negotiation- and cooperation-strategies among 4 sub-factors of conflict-resolving strategy and 5 sub-factors of emotional intelligence were the most discriminant predictors for children's peer status. The results suggest systematic teacher training and program for the rejected children's improvement of negotiation- and cooperation-strategies in their peer relations.

• Journal of Arbitration Studies
• /
• v.29 no.4
• /
• pp.101-120
• /
• 2019

This study examines the development strategies of the arbitration industry in Singapore and Hong Kong, and its purpose is to provide implications for the development of the arbitration industry in South Korea. The main strategies implemented by Singapore and Hong Kong to develop the arbitration industry are as follows: first, improvement of the arbitration law system; second, active support of the government for promoting the arbitration industry; third, build up of an effective arbitration expert training system; and fourth, an arbitration-friendly attitude of the court. In order for South Korea to become an international arbitration hub in Northeast Asia, it is necessary to refer to the above-mentioned strategies. In addition, South Korea needs to develop marketing strategies that can differentiate itself from Singapore and Hong Kong, such as the development of an arbitration system in connection with the 4th Industrial Revolution, differentiation of the disputes sector, use of geographical advantages and a penetration pricing strategy, and support of the Korean Commercial Arbitration Board. In terms of marketing strategy, there are few studies on the development strategy of the arbitration industry in South Korea. In this respect, this study has academic value and differentiation.

• Journal of Physiology & Pathology in Korean Medicine
• /
• v.17 no.3
• /
• pp.611-616
• /
• 2003

Through the whole period of the twentieth century, Chinese Traditional Medicine has been affected by the political and cultural changes of Chinese society. Before the 1949 Communist Revolution, Chinese Traditional Medicine was regarded as a dark past which should be cleared off. But Chinese Traditional Medicine has been reevaluated as a national medicine and spreaded quickly since the 1949 Communist Revolution. Moreover, 'the bare foot doctor' who received short term training appeared during the Cultural Revolution. It enhanced the status of Chinese Traditional Medicine. At the same time, it was estimated as a model of the self-reliant development of Third World countries. But the direction of development of Chinese Traditional Medicine was changed again recently. Chinese government has adapted the open-economy policy since the late 1970s. Accordingly Chinese Traditional Medicine also has been changed. Nowadays it pursues the professional development strategy. This paper inquired the following research questions. First, what kind of historical changes in the development strategy of Chinese Traditional Medicine has happened? Second, how much Chinese Traditional Medicine has accomplished the professionalization? Third, what kind of problems Chinese Traditional Medicine has met in the process of professionalization? Finally, why Chinese Traditional Medicine has adapted the professional development strategy?