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평균처리시간과 평균순수납기지연을 줄이기 위한 Job Shop의 설비별 작업계획의 새로운 할당규칙
배상윤 대한설비관리학회 2000 대한설비관리학회지 Vol.5 No.3
The purpose of this paper is to present the new dispatching rules of job shop scheduling to improve the schedule performance measures related to completion time and duedates. The proposed dispatching rules consider the information of work remaining, operations remaining, slack time, processing time and operation duedates to decrease mean flowtime and mean tardiness, The results of experiments using computer simulation show that those schedule performances are significantly improved by using the new dispatrhing rules. The results provide guidance for the researchers and practitioners of job shop scheduling to denease mean flowtime and mean tardiness.
편마비 환자에서 보행 및 균형 회복에 인지운동치료의 효과
배상윤 한국인지운동치료협회 2009 한국신경인지재활치료학회지 Vol.1 No.-
Objective: This study was aimed at identifying the effects of cognitive therapeutic exercise on the gait and balance rehabilitation of a patient with hemiplegia disorder. Methods: A 49 year-old female patient with right hemiplegia due to ICH was selected as a treated subject according to the purpose of this study. In applied for 60 minutes, three times a day from 11. March to 29. May 2009. Before cognitive therapeutic exercise, It was assessed cognitive function, abilities of daily of activities, spasticity, gait, balance, quality of life. Initial evaluations compared with the revaluation after treatment for 5 weeks. Results: For the spasticity measured by the MAS, the shoulder joint was changed from 1 step to 0 step, elbow joint was changed from 2 step to 1+ step and fingers were changed from 3 steps to 2 steps. Also, for the gait, cycle time was changed from 1.57/1.58 to 1.40/1.40, base of support was changed from 17.3/17.0 to 15.8/15.6. For the balance, sway area was reduced from 18.3mm to 7.3mm. For gait that is importance 10 in COPM, performance was changed from 6 points to 7 points and satisfaction was changed from 4 points to 8 points. Conclusion: This study demonstrate that cognitive therapeutic exercise helps stroke patients in terms of abnormal motor function reduction, functional abilities and satisfaction of life improvement. 목적: 본 연구는 편마비 환자를 대상으로 인지운동치료가 보행 및 균형 회복 능력에 미치는 효과를 알아보는 것이다. 방법: 본 연구의 대상자는 뇌내출혈로 인해 우측 편마비를 가진 49세 여자 환자로 2009년 3월 11일부터 5월 29일까지 주 3회 60분씩 인지운동치료를 받았다. 인지운동치료를 받기 전 인지기능, 일상생활능력, 강직, 보행, 균형, 삶의 만족도를 평가하였고, 치료를 받은 5주 후에 재평가, 그로부터 5주 후에 2차 재평가를 실시하여 결과를 비교하였다. 결과: 초기평가와 10주 후 2차 재평가를 비교하였을 때, MAS를 이용한 강직의 변화는 어깨관절이 1단계에서 0단계로, 팔꿉관절이 2단계에서 1+단계로, 손가락이 3단계에서 2단계로 향상되었다. 보행에서는 초기 평가 보다 2차 재평가 시 보행주기의 속도가 1.57/1.58에서 1.40/1.40으로 빨라졌고, 체중 지지면이 17.3/17.0에서 15.8/15.6으로 좁아졌음을 알 수 있었다. 균형능력의 변화에서는 신체동요의 면적이 18.3mm에서 7.3MM로 크게 감소하였다. COPM에서는 중요도 10점인 항목인 걷기에서, 초기평가 시 수행도 6점, 만족도는 4점이었지만, 10주 후 수행도 7점, 만족도 8점으로 향상되었다. 결론: 인지운동치료는 편마비 환자의 비정상적인 운동기능을 감소시키고, 기능적 활동과 삶의 만족도를 향상시켜 준다.
배상윤 한국산업경영시스템학회 2005 한국산업경영시스템학회 학술대회 Vol.2005 No.추계
This study presents the new dispatching rules of job shop scheduling with unbalanced machine workloads to decrease mean flow time and mean tardiness. The proposed dispatching rules consider the information related to work remaining, modified job due dates, modified operation due dates and machine workload. The performance of the new dispatching rules is compared and analyzed with the existing rules through the computer simulation at different levels of workload imbalanced. The results can be useful to the researchers and practitioners of job shop scheduling with unbalanced machine workloads.