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오세준,Oh, Se-Joon Korean Society of Marine Engineers 1996 한국마린엔지니어링학회지 Vol.20 No.3
A neural predictive tracking system for the control of structure-unknown dynamic system is presented. The control system comprises a neural network modelling mechanism for the the forward and inverse dynamics of a plant to be controlled, a feedforward controller, feedback controller, and an error prediction mechanism. The feedforward controller, a neural network model of the inverse dynamics, generates feedforward control signal to the plant. The feedback control signal is produced by the error prediction mechanism. The error predictor adopts the neural network models of the forward and inverse dynamics. Simulation results are presented to demonstrate the applicability of the proposed scheme to predictive tracking control problems.
RET 원종양 유전자 코돈 634에 점돌연변이가 있는 제2형 다발성 내분비 선종 가계
오세준 ( Se Joon Oh ),이진춘 ( Jin Choon Lee ),이병주 ( Byung Joo Lee ),왕수건 ( Soo Geun Wang ) 대한갑상선학회 2009 International Journal of Thyroidology Vol.2 No.1
Multiple endocrine neoplasia type 2A is a hereditary syndrome characterized by medullary thyroid carcinoma, pheochromocytoma and primary hyperparathyroidism. It is characterized by a high concentration of serum calcitonin. Recent genetic studies have identified the presence of germline missense mutations in the RET proto-oncogene in almost 100% of MEN-2 patients. We report a patient (19-year old man) of MEN-2A family with point mutation at codon 634 of the RET proto-oncogene. He presented both thyroid nodules, and laboratory examination of blood revealed elevated serum calcitonin. Although ultrasonography, CT and FNAC had shown no evidence of malignancy, the patient had underwent total thyroidectomy and central neck dissection prophylactically. The result of pathologic finding was medullary thyroid cancer without LN metastasis. We identified a point mutation of TGC (Cys) to TAC (Tyr) at codon 634 of exon 11 at RET proto-oncogene in 5 cases from the patient and his family by DNA sequencing test.