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트랙트 견인형 TMR 배합기의 개발(II) -TMR 배합기의 수정 개발 및 성능시험-
박경규,구영모,김혁주,서상훈,장철,나규동,홍동혁,이종순,Park, K. K.,Koo, Y. M.,Kim, H. J.,Seo, S. H.,Jang, C.,Nah, K. D.,Hong, D. H.,Lee, J. S. 한국농업기계학회 2000 바이오시스템공학 Vol.25 No.4
A tractor attached TMR(model 430) mixer has been developed in a previous study. However, the mixer was found to be improved through field applications in its capacity, manufacturing cost, ergonomic design and power-train requirement. The TMR mixer was modified into a model TMR500, approved by Institute of Agricultural Mechanization, as follows : 1. Roughage cutting system was seperated from the mixer, resulting in the 33% reduction of manufacturing cost. 2. Enlarged hopper capacity enabled to feed 60 heads at a batch. 3. Hydraulically controlled gate system saved ergonomic man power. 4. Power transmission system was changed from a chain-sprocket system(27:1) to the gear-train reduction system(38.6:1) to satisfy the recommended use of 540rpm PTO input.
박경규,윤홍선,김재열,Park, K.K.,Yoon, H.S.,Kim, J.Y. 한국농업기계학회 1987 바이오시스템공학 Vol.12 No.1
In order to improve the traditional post harvest system in Korea, a model for mechanized rice drying and storage system was developed and introduced as the first part of the study(Park, 1986). As the second part of the study, capital requirement and cost of the model system was analyzed. Also, optimum size of the model system was estimated by comparing with the traditional harvest system. From the study, the following results can be concluded: 1. The capital requirement of the model system decreases as the model size increases. For example, a model system having 500 ton storage capacity requires 439,000 Won/ton. However it requires 313,200 Won/ton only, if the model size increases to 1000 ton. 2. Also, total cost of the model system decreases as the model size increases. For example, total costs of the model system having 500 ton and 1000 ton storage capacity are 101,208 Won/ton and 69,320 Won/ton, respectively. 3. The breakeven point (optimum size) of the model can be estimated around 630 ton storage capacity if the operation rate is assumed as 100%. However, the optimum size of the model is 710 ton, if the operation rate it assumed 80%.
박경규,정도섭,키스 벤키,칭라이 황 ( K . K . Park,D . S . Chung,K . Behnke,C . L . Hwang ) 한국농업기계학회 1985 바이오시스템공학 Vol.10 No.2
朴(1982, 1983, 1984 및 1985)이 開發한 配合飼料工場의 投資費用의 數學的模型을 利用하여, 配合飼料工場 適正 시스템의 設計를 例를 들어 소개하였다. 適正시스템의 設計를 爲하여 非線型 프로그램의 Single Objective Programming Problem(單一目的函數)와 Multiple Objective Decision Making Method(多目的函數)의 2가지 方法을 適用하였다. Sing]e Objective Programming Problem에서는 Generalized Reduced Gradient(GRG) Method를 利用하였고, Multiple Objective Decision Making Method(MODM)에서는 Interactive Nonlinear Goal Program(INGP)를 利用하였으며, 그 結果는 다음의 몇가직 要約할 수 있다. 1. 朴이 開發한 數學的 模型들은 2가지 方法 모두 飼料工場의 最適化 設計에 效果的으로 利用할 수가 있었다. 2. MODM方法에 依하여 얻어진 最適 시스템은 Multiple Objective Program Problem에서 求한 結果보다 均衡이 있는 시스템이었으며, 將來의 飼料原料, 飼料購買市場, 기타 다른 條件들으 변화에 對해서 보다 强力이 있는 시스템으로 나타났다. 3. 엄밀한 意味에서 絶對的인 最適飼料工場이란 있을 수 없으며, 주위의 條件, 原料價格, 飼料價格, 工場主의 취향 및 設計條件等에 따라 最適 시스템은 各各 다르게 나타난다. N/A