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LASER PROCESSING OF HIGH TC SUPERCONDUCTING OXIDE FILMS
Koinuma, Hideomi 대한전자공학회 1989 ICVC : International Conference on VLSI and CAD Vol.1 No.1
Among various techniques applied for fabricating high Tc superconducting thin films and devices, laser processing has been attracting rapidly growing interest because of its versatile utility not only in making films but also in property modification and patterning of films. Here, characteristic features of high Tc cuprate superconductors are summarized first to be discussed in relation to the subsequently presented topical problems in laser processing of high Tc films.
Details of recurrence sites after definitive radiation therapy for cervical cancer
Reiko Kobayashi,Hideomi Yamashita,Kae Okuma,Kuni Ohtomo,Keiichi Nakagawa 대한부인종양학회 2016 Journal of Gynecologic Oncology Vol.27 No.2
Objective: This is a retrospective study aimed at clarifying the details of recurrence patterns and sites in patients with cervical cancer treated with definitive radiation therapy (RT). Methods: Data were analyzed from consecutive patients, admitted to the University of Tokyo Hospital (Tokyo, Japan) between 2001 and 2013, who had received definitive RT, with or without chemotherapy, for International Federation of Gynecology and Obstetrics stages IB– IVA cervical cancer. Results: One hundred and thirty-seven patients formed the patient cohort. The median follow-up period for surviving patients was 57.0 months. A complete response was achieved in 121 patients (88%). Of these, 36 (30%) developed a cancer recurrence during follow-up. The first sites of recurrence were located in intra-RT fields in nine, outside RT fields in 20, and both in seven patients. In the intra-RT field group, all patients showed a local recurrence, while no one experienced an isolated pelvic lymph node (PLN) recurrence. In the outside RT field group, the most frequent site of recurrence was lung (60%), and three-quarters of patients were free from intra-RT field recurrence until the last follow-up. Of the entire cohort, including 48 PLN-positive patients, only seven patients (5.1%) developed PLN persistence or recurrence, all in the common iliac, internal iliac, and/or obturator nodes, and all with another synchronous relapse. Conclusion: Local disease was a major type of intra-RT field recurrence, while PLN control was favorable even in initially PLN-positive patients. The predominance of outside RT field recurrence alone highlights issues concerning distant control, including the intensity enhancement of systematic therapy.
다직종연계교육(InterProfessional Education; IPE)에 관한 국내 연구 고찰 및 사례
이재신,이범석,김시영,Hideomi Watanabe 대한작업치료학회 2020 대한작업치료학회지 Vol.28 No.1
목적 : 보건의료 분야의 다직종연계교육(InterProfessional Education; IPE)에 대하여 국내에 보고된 문헌 을 고찰하고, 작업치료학과가 참여한 일본의 군마대학 교육사례를 제시하는 것이다. 방법 및 결과 : 2019년 12월에 전자데이터 베이스인 KMBASE, Google Scholar, KISTI, RISS와 KoreaMed 에서 InterProfessional Education 주제어로 검색하여 국내 학술지에 보고된 자료를 수집하였다. 최종 리뷰에 포함된 16편의 논문 유형은 원저 8편, 종설 8편을 차지하였다. 연구 분야는 의학 7편, 간호학 4편, 약학 2편, 보건의료 공동연구가 3편이였다. IPE에 대한 용어 및 개념, 교육이론 및 방법은 국내외 문헌분석과 사례를 바탕으로 제시하였다. 2010년부터 세계보건기구(World health Organization; WHO)와 IPE 교육모델과 학습 효과를 공유하고, 2013년부터는 WHO 협력센터로 지정된 군마대학 의학부 보건학과의 팀 의료 교육에 대하여 실습교과목 중심으로 교육 목적 및 학습성과 검증에 대하여 소개하였다. 결론 : 국내 작업치료에 처음 소개된 IPE에 대한 연구를 시작으로 작업치료 교육과 임상에서도 참여와 협 업에 대한 필요성 인식은 물론, 도입을 고려한 체계적인 연구가 활발하게 논의되었으면 한다. Purpose: The purposes of this article were to review the current state of Inter-Professional Education (IPE) in the areas of health and medical care services in Korea, and to introduce a case study on Occupational Therapy (OT) students included in Gunma University, Japan. Methods and results: We searched KMBASE, Google Scholar, KISTI, RISS and KoreaMed using the phrase “InterProfessional Education” for dates up to December 2019, and collected articles published in domestic academic journals. Based on a systematic review and a case study of Gunma University, the related terminology and definitions, educational theories, and practices were determined. Sixteen studies consisting of eight original and seven review articles were included in the review. Among the 16 studies, 7 were from medical research, 4 from nursing, and 2 from pharmacy, and 3 were conducted in collaboration with medical-science. Since 2010, Gunma University School of Health Sciences has maintained collaboration with the World Health Organization (WHO) in disseminating IPE models and investigating their educational effectiveness, and was designated as a WHO Collaborating Centre in 2013. Its educational purposes and learning effect were also introduced in the review. Conclusion: This is the first study introducing IPE in the field of OT in Korea, and we therefore highly expect that the necessity of participation and collaborative practice will become recognized in OT education and practice, and that systematic research on the introduction of IPE can be actively discussed.
Naomitsu Urasaki,Tomonobu Senjyu,Toshihisa Funabashi,Hideomi Sekine 전력전자학회 2006 JOURNAL OF POWER ELECTRONICS Vol.6 No.4
This paper presents a neural network based adaptive dead-time compensation strategy for an inverter fed permanent magnet synchronous motor drive. The neural network is used for identifying the dead-time compensation time (DTCT) that includes an equivalent dead-time, turn-on/off time and on-state voltage components of the voltage source inverter. In order to train the neural network, desired DTCTs for eight operating points are prepared as training data. The trained neural network can identify a desired DTCT for any operating point because it has the capability of the interpolation. The accuracy of the identified DTCT is experimentally confirmed by comparing the calculated active power with a measured one.
Manoj Datta,Tomonobu Senjyu,Atsushi Yona,Hideomi Sekine,Toshihisa Funabashi 전력전자학회 2009 JOURNAL OF POWER ELECTRONICS Vol.9 No.2
A Photovoltaic (PV) system’s power output varies with the change of climate. Frequency deviations, tie line voltage swings are caused by the varying PV power when large PV power from several PV systems is fed in the utility. In this paper, to overcome these problems, a simple coordinated control method for smoothing the variations of combined PV power from multiple PV systems is proposed. Here, output power command is formed in two steps: central and local. Fuzzy control is used to produce the central smoothing output power command considering insolation, variance of insolation and absolute average of frequency deviation. In local step, a simple coordination is kept between the central power command and the local power commands by producing a common tuning factor. Power converters are used to achieve the same output power as local command power employing PI control law for each of the PV generation systems. The proposed method is compared with the method where conventional Maximum Power Point Tracking (MPPT) control is used for each of the PV systems. Simulation results show that the proposed method is effective for smoothing the output power variations and feasible to reduce the frequency deviations of the power utility.
Datta, Manoj,Senjyu, Tomonobu,Yona, Atsushi,Sekine, Hideomi,Funabashi, Toshihisa The Korean Institute of Power Electronics 2009 JOURNAL OF POWER ELECTRONICS Vol.9 No.2
A Photovoltaic (PV) system's power output varies with the change of climate. Frequency deviations, tie line voltage swings are caused by the varying PV power when large PV power from several PV systems is fed in the utility. In this paper, to overcome these problems, a simple coordinated control method for smoothing the variations of combined PV power from multiple PV systems is proposed. Here, output power command is formed in two steps: central and local. Fuzzy control is used to produce the central smoothing output power command considering insolation, variance of insolation and absolute average of frequency deviation. In local step, a simple coordination is kept between the central power command and the local power commands by producing a common tuning factor. Power converters are used to achieve the same output power as local command power employing PI control law for each of the PV generation systems. The proposed method is compared with the method where conventional Maximum Power Point Tracking (MPPT) control is used for each of the PV systems. Simulation results show that the proposed method is effective for smoothing the output power variations and feasible to reduce the frequency deviations of the power utility.