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박성진,최남용,주인탁,나기호,송현석,김정호,하재도,Park, Sung-Jin,Choi, Nam-Yong,Joo, In-Tak,Nah, Ki-Ho,Song, Hyun-Seok,Kim, Jung-Ho,Ha, Jae-Do 대한족부족관절학회 2003 대한족부족관절학회지 Vol.7 No.2
Avulsion fracture of the calcaneal tuberosity is an uncommon injury. Usually it occurs from indirect trauma, and can be seen in old patients with osteoporosis or in patients with diabetic neuropathy. Follow-up studies showed healing of the fracture in most cases, but skeletal deformity may develop in some cases. Therefore we should take plain X-ray evaluations in diabetic patients with foot and ankle pain, even though there have been no definite trauma history. Four cases of calcaneus avulsion fracture were treated operatively in diabetic patients, and reported.
마이크로 콘트롤러를 사용한 극배치 PID 자기동조기의 구성
하재해,추연규,임영도,최부귀 동아대학교 공과대학 부설 한국자원개발연구소 1993 硏究報告 Vol.17 No.2
In this paper, a speed controller using one-chip microcontroller is implemented and applied to a DC Servo Motor. Adaptive control is applied to a system for which a priori knowledge to its mathematical model is insufficient, on the basis of input and output data an apropriate controller is constructed through which the system input is synthesized. The pole-placement PID self tuning control algorithms as a control algorithm is used to research the performance of the controller through experiments.