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경찰견에 대한 컨베이어벨트 공포소거 훈련 프로그램 개발
황성구,이은채 한국치안행정학회 2022 한국치안행정논집 Vol.19 No.3
This study was conducted to eliminate the fear response to the conveyor belts, one of the work environment factors related police detector dogs such as police dogs operating in Korea. The three steps of a training program were set up based on I. P. Pavlov's conditioned reflex and B. F. Skinner's operant conditioning theory. First, conveyor belts and the sounds make fear (Conditioned reflex). Second, conveyor belts and reinforcers make joy (Operant conditioning). Third, conveyor belts are perceived as joy (Fear extinction). Based on three steps of the basic training program, seven steps of a training program were established in detail for experimental detector dogs. The seven steps are as follows: selection of an optimal reinforcer, a retrieval game with the best reinforcer, combination and setting, fear extinction of conveyor belts, enhancement of environment on conveyor belts, converting a reinforcer to a dummy, application of conveyor belts detection. As a result of applying the training program to domestic detector dogs with the conveyor belt-related phobia, the detector dogs showed the performance of erasing the fear response and efficiently finding the objects such as explosive or drugs. In conclusion, it is thought that the developed training program could be applied as a training method to improve reduced training efficiency even when various environmental fears such as people, noise, vibration and other problems arise. 이 연구는 국내에서 운용 중인 경찰 탐지견의 환경적 업무요인 중의 하나인, 컨베이어 벨트에 대 하여 탐지견이 나타내는 공포반응을 소거하기 위하여 I. P. Pavlov의 조건반사와 B. F. Skinner의 조작적 조건화의 이론을 토대로 하나의 훈련 프로그램을 설정하기 위하여 수행되었다. 이 훈련 프로그램은 첫 번째, 컨베이어벨트와 소리에 공포를 느낀다(조건반사), 두 번째, 컨베이어 벨트와 강화물은 즐거움을 느끼게 한다(조작적 조건화). 세 번째, 컨베이어벨트는 즐거움을 느끼게 한다(공포소거)로 구성하였다. 이와 같은 기본 훈련 프로그램을 바탕으로 세부적인 단계별 훈련 프 로그램을 설정하고 실험견을 이용하여 실험을 실시하였다. 그 단계는 7단계로써 최적의 강화물 선 별, 최적의 강화물로 회수놀이, 짝짓기 및 조성, 벨트 공포소거, 벨트 환경 강화, 강화물을 더미로 전 환, 벨트 탐지 응용으로 구성하였다. 결과적으로, 컨베이어 벨트와 관련된 공포증을 보이는 국내 탐지견에 대하여 본 훈련 프로그램을 적용한 실험에서 공포반응을 소거하여 폭약이나 마약과 같은 목적물을 효율적으로 적발하는 실적을 보였다. 따라서 경찰 탐지견의 컨베이어 벨트에 대한 공포소거 훈련 프로그램은 다양한 환경적 공포 즉, 대인·소음·진동·기타의 문제점 발생 시에도 응용·적용하여 저하된 탐지견의 훈련성을 개선할 수 있을 것으로 사료된다.
해양플랜트용 Heave Compensator의 진동특성 평가에 관한 연구
황성구(Sung-gu Hwang),김귀남(Gwi-nam Kim),현장환(Jang-hwan Hyeon),정용길(Yong-gil Jung),허선철(Sun-chul Huh) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.5
Offshore heave compensator is a structure that bears dynamic load (environmental load) such as ocean wave and wind, and influenced by vibration during operation. However, While the natural frequency of the structure is close to the dynamic load frequency, it can load to resonance phenomena. This study is composed of 3 model (upper position, middle position, lower position) depend on positions of crown block to vibrate characteristic of offshore heave compensator. Modal analysis and harmonic analysis fulfill vibration characteristic evaluation of finite element model by ANSYS Workbench V13, to judge stability of the structure.
사료내 한방약제 추출물 첨가가 과밀사육환경 하에서의 육계의 성장과 면역세포 증식에 미치는 영향
최형석,김기현,박상훈,남인식,황성구,남기택 한국유기농업학회 2010 韓國有機農業學會誌 Vol.18 No.3
This experiment was conducted to investigate the effects of dietary supplementation of oriental herb extracts (Alpha PlusⓇ (AP)+Dried Foxglove Powder (DFP)) on growth performance and proliferation of splenocytes in broiler chicken raised under low or high density stocking conditions. A total of 240 male broiler chicks were randomly divided into four treatment groups with three replicates composed of ten birds in low density stocking groups and thirty birds in high density stocking groups. The four treatment groups were as follows: C1 (low density without AP and DFP); T1 (low density with AP 0.2% and DFP 0.03%); C2 (high density without AP and DFP); T2 (high density with AP 0.2% and DFP 0.03%). The feed intake of the high density stocking group was significantly lower than that of low density stocking groups during overall experimental period (p<0.05). The body weight of high density stocking groups was lower than that of low density stocking groups (p<0.05). The decrease of feed intake and body weight gain in growing stage (7~25day) under the high density stocking condition seems to be recovered in final stage (26~34day). Meanwhile dietary supplementation of AP+DFP in low and high density stocking groups tended to have higher daily body weight gain than control groups. The proliferation of splenocytes in treatment groups was significantly higher than control groups (p<0.05). In conclusion, the result of the present study suggested that the oriental herb extracts (AP+DFP) could be used as an alternative feed additive resources to improve growth performance and immune activity in broiler chickens.
사료내 목초탄 첨가가 비육돈의 비육능력, 지방산 조성 및 육질에 미치는 영향
안병준,조태수,조성택,최돈하,황성구,김종민 한국유기농업학회 2005 韓國有機農業學會誌 Vol.13 No.4
This study was conducted to examine the effects of dietary Mogchotan(the mixture of charcoal and pyroligneous acid, 80:20, w/w) supplementation on fattening performance, fatty acid composition and the physico-chemical characteristics of meat in pigs. The present study was also stressed to investigate the possibility of industrial utilization of charcoal and pyroligneous acid as a livestock feed additive. Weight gain and feed conversion in pigs fed the Mogchotan supplemented diet were higher than those of the control group. In fatty acids composition, palmitic acid(C16:0) contents of Mogchotan treatment groups were lower than that of control group. However, Mogchotan supplementation increased C16:1, C18:0, C18:1, C18:2 and C18:3 contents when compared with control group pigs. Also, Mogchotan supplementation groups decreased saturated fatty acids level than control group. On the other hand, Mogchotan supplementation showed higher unsaturated fatty acids value, especially polyunsaturated fatty acids value compared to control group. The carcass pH of pigs fed the Mogchotan tended to be higher than control, but was not significantly different. The water holding capacity was significantly higher in pigs fed the 3.0% Mogchotan-supplemented diet than those of other treatment groups(p<0.05). Altogether, it has been suggested that dietary 1~3% of Mogchotan supplementation improved the fattening performance and meat quality in pigs.
사료내 미량광물질 강화 복합미생물 첨가가 산란노계의 계란생산 및 난질개선에 미치는 영향
정수진,주은정,이우식,윤병선,이주삼,남기택,황성구 한국유기농업학회 2004 韓國有機農業學會誌 Vol.12 No.2
In recent years, the consumption of livestock products were markedly decreased by awareness of world-widely occurred diseases including mad cow disease, Foot and mouth disease, Hog cholera, and Poultry Influenza virus. The consumers are also wanting to have highly safe food such as organic animal products because of concerning about residual of antibiotics in animal products. However, disease control and impairment of productivity are the major problem in organic animal production. On these points of view, the present study was undertaken to investigate the effects of 1% or 2% of dietary probiotics fortified with various minerals on improvement of egg production and egg quality in old layer feeding low quality feed mainly composed of food waste, sesame meal, and rice bran. After 4 weeks of experimental feeding, the diameter of spreading of egg white was clearly decreased from 11.2cm of control eggs to 10.5m and 10.1m in 1% and 2% treatment group eggs, respectively. The color of egg yolk was 9.3 in control eggs but remarkably increased in treatment groups showing 10.1~10.2. Egg production was 75.8% in control layers but significantly increased to 79.8% of 1% treatment group and 82.9% of 2% treatment group layers. Egg weights (C : 66.3g, 1% : 73.2g, and 2% : 76.7g) and egg shell thickness (C : 0.33㎜, 1% : 0.35㎜ and 2% : 0.36㎜) were also increased by the addition of 1% or 2% of probiotics when compared to those of control group eggs. All together, it has been suggested that dietary addition of probiotics fortified with various minerals can improve the egg quality and egg production in layer"s productivities by the recycling of organic waste resources such as food waste and agricultural by-products.