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강창묵(Kang, Chang-Mook),김정훈(Kim, Jung-Hun),박미연(Park, Mi-Yeon),소병춘(So, Byeong-Chun),공정식(Kong, Jung-Sik) 한국구조물진단유지관리학회 2011 한국구조물진단학회 학술발표회논문집 Vol.15 No.1
To develop the condition state model for open type wharf, the documents of maintenance managements and condition state DB for the structure are analyzed. The several condition state models for open type wharf according to regions(east, west, south) were evaluated by using data process. From the results, the methodical and efficient maintenance managements can be realized.
재생품 공급량이 불확실한 주문시분해 환경에서의 생산 및 재제조 계획
강창묵(Changmuk Kang) 한국경영과학회 2013 韓國經營科學會誌 Vol.38 No.2
Remanufacturing is a process of recovering end-of-life products into serviceable parts for producing new products. Due to the limited supply of recovery cores to remanufacture, a remanufacturing firm also needs to produce or procure new parts for fulfilling the demand. This paper is targeted for solving the problem of determining the optimal amount of newly produced and remanufacturing parts, which is called production and remanufacturing planning (PRP) problem, under uncertain supply of recovery cores. The new production mitigates the risk of insufficient core supply while it takes more costs than the remanufacturing. The PRP model in this paper also considers disassemble-to-order (DTO) environment, in which multiple kinds of parts are remanufactured from multiple products on order of the parts. Whereas existing studies presents only heuristic solutions for DTO remanufacturing, this paper provides an exact solution for this problem and analytical sensitivity of the involved cost parameters, adopting multi-dimensional newsvendor modeling and stochastic linear programming techniques. The result shows that production and remanufacturing plans for multiple products are mutually dependent, and a change of cost parameters involved in only one part is propagated to all other parts.
근사 타이어 및 횡방향 차량동역학 모델을 이용하는 사이드 슬립각 예측
강창묵(Chang Mook Kang),이승희(Seung-Hi Lee),손영섭(Youngseop Son),김보아(Bo-Ah Kim),이규호(Kyu Ho Lee),정정주(Chung Choo Chung) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
This paper develops a state estimator based side slip angle estimation, which involves approximate tire model, lateral dynamics model, and feedback of measurements. We developed the estimator using a special vehicle lateral dynamics model by the approximation of the roll motion of a vehicle. In this paper, we will present how to design the estimator. Experimental evaluation was conducted to demonstrate its performance. Some performance comparisons with RT3000 and Carsim are to be persented.