• 제목/요약/키워드: Abnormal Symptom

검색결과 249건 처리시간 0.018초

오신호 입력에 따른 펌프의 고장징후 조기감지 성능분석 (Performance Analysis on Early Detection of Fault Symptom of a Pump with Abnormal Signals)

  • 정재영;이병오;김형균;김대웅
    • 동력기계공학회지
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    • 제20권2호
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    • pp.66-72
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    • 2016
  • As a method to improve the equipment reliability, early warning researches that can be detected fault symptom of an equipment at an early stage are being performed out among developed countries. In this paper, when abnormal signal is input to actual normal signal of a pump, early detection studies on pump's fault symptom were carried out with auto-associative kernel regression as an advanced pattern recognition algorithm. From analysis, correlations among power of motor driving pump, discharge flow of pump, power output of pump, and discharge pressure of pump are exited. When the abnormal signal is input to one of those normal signals, the other expected values are changed due to the influence of the abnormal signal. Therefore, the fault symptom of pump through the early-warning index is able to detect at an early stage.

Basic Research on the Development of Kit and Program for Fashion Psychotherapy

  • Yu, Ji-Hun;Song, So-Won;Son, Hee-Jung
    • The International Journal of Costume Culture
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    • 제13권2호
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    • pp.67-81
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    • 2010
  • This study is a basic research to develop kit and program for fashion psychotherapy, a new genre of therapy. Symptom checklist, self-esteem evaluation, interpersonal relationship problem evaluation and fashion preference evaluation were conducted on 159 college students in Seoul. The results were analyzed with t-test and one-way ANOVA. The result showed that first, warm color preference was significantly high in interpersonal problem among psychological problems. Second, smooth material preference was significantly high in paranoia among psychological problems. Third, differences in design preferences by psychological problems were not significant. Fourth, differences in design preferences between abnormal range and normal range of psychological problems were significant in line shape, with depression abnormal group showing significantly high straight line preference. Additionally, complex shape preference was significant in complexity in somatization and phobia abnormal groups. This study can be utilized in kit development for a new field, fashion psychotherapy. This study is significant as practical basic data in constructing fashion psychotherapy program.

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로드셀을 이용한 요류검사기의 구현 및 평가 (Estimation and Implementation of the Uroflowmetry Using Load Cell)

  • 정도운;조성택;남기곤;정문기;전계록
    • 센서학회지
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    • 제13권6호
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    • pp.436-445
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    • 2004
  • In this study, a uroflowmetry system was developed to detect a voiding symptom conveniently at home or hospital. A implemented hardware was composed of mechanism and system circuit part, the software was developed to process uroflow data, graph display, extraction of parameter, and evaluation of congregate rate so as to analysis obtaining uroflow data. The following experiment was performed to evaluate an ability of classification and fitness. The curve pattern of uroflow was classified into each symptom. Various parameters were calculated in the curve pattern of each uroflow as follows. The parameters are MFR, AFR, VOL, VT, and FT. A significant difference among parameters was examined by a statistical analysis for extracted parameters between normal and abnormal experimental group. The uroflow data with the various symptom was divided into normal and abnormal group using fuzzy classifier. The result of the fuzzy classification using MFR and AFR was superior by 91.23 % than grouping evaluation including VOL.

한국일부 농촌주민의 건강관리에 대한 역학적 고찰 (농부증을 중심으로) (An Epidemiological Study on the Peasant's syndrome in Rural Korea)

  • 남택승;김현광;권오형;이정자
    • 농촌의학ㆍ지역보건
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    • 제5권1호
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    • pp.16-27
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    • 1980
  • Five hundred seventeen farmers(214 males and 303 females), over age 30 and living in Suh San County, Unsan township, were examined to determine the prevalence of peasants syndrome. Using the health interview questionnaire, the farmers were asked whether they had any of eight subjective symptoms during the past one month before the survey, October 1979. Those symptoms reported were scored based on a pre-determined point system. The farmers with high symptom scores(7 points or more) were further examined by the liver function test. In addition, all the sample(517 cases) were subjected to the examination of urinalysis and blood pressure. The liver function test is also undertaken for those farmers with high symptome scores(7 points or more) and those with abnormal findings in urinalysis and blood pressure. The results are summarized below: 1) 156 out of 517 farmers(30.2%) have had seven points or more of the symptom scores. Among the eight major symptoms, 72% of the farmers complained of lumbago. 2) The prevalence of peasant's syndrome were higher among females and the older age group. The symptom scores of this syndrome were slightly higher among women who have had many children (e. g. 4 or more). 3) The prevalence of peasant's syndrome was also related to the level of one's education-the lower education groups were found to have higher symptom scores of this syndrome. This may be due to the fact that the lower education groups are more exposed to manual labor. 4) The points of the peasants syndrome were higher in hypertensive farmers and those with abnormal findings of urinaly sis. 5) It was reported, in Japan, that those with high scores of the syndrome are more likely to have an abnormal findings in the liver function test. However, in this study it was observed that there was no significant difference between those with high scores of the syndrome (7 points or more) and those with low score of the syndrome(6 points or less) in the prevalence of abnormal liver function. As this study indicates that the point system given for the peasant's syndrome is closely related to the high bleod pressure and abnormal urinalysis(and to some extent to the abnormal liver function), there is a need to study peasant's syndrome more extensively. Such an effort will serve to detect varonic disease conditions among farmer's towards better management of farmer's health, which is vitally important for rural development in Korea.

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Geminivirus L4 유전자 도입에 따른 형질전환 애기장대의 감염유사증상 분석 (Pseudosymptom Analysis Induced by Geminivirus L4 Gene in Transgenic Arabidopsis)

  • 이석찬;이규배;박종범
    • Journal of Plant Biotechnology
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    • 제30권2호
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    • pp.129-133
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    • 2003
  • The factors for symptom development caused by Beat curly top virus(BCTV) have been analyzed by using a molecular genetic approach based on expressing BCTV encoded proteins in transgenic plants. BCTV open reading frame (ORF) L4 expression in transgenic Arabidopsis resulted in abnormal plant development and the production of callus inflorescence stems and bumpy trichomes, confiming that this gene alone is a primary symptom determinant. The L4 gene expression by northern hybridization in transgenic plants and a range of phenotypes were analyzed.

CareMyDog: Pet Dog Disease Information System with PFCM Inference for Pre-diagnosis by Caregiver

  • Kim, Kwang Baek;Song, Doo Heon;Park, Hyun Jun
    • Journal of information and communication convergence engineering
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    • 제19권1호
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    • pp.29-35
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    • 2021
  • While the population of pet dogs and pet-related markets are increasing, there is no convenient and reliable tool for pet health monitoring for pet owners/caregivers. In this paper, we propose a mobile platform-based pre-diagnosis system that pet owners can use for pre-diagnosis and obtaining information on coping strategies based on their observations of the pet dog's abnormal behavior. The proposed system constructs symptom-disease association databases for 100 frequently observed diseases under veterinarian guidance. Then, we apply the possibilistic fuzzy C-means algorithm to form the "probable disease" set and the "doubtable disease" set from the database. In the experiment, we found that the proposed system found almost all diseases correctly, with an average of 4.5 input symptoms and outputs 1.5 probable and one doubtable disease on average. The utility of this system is to alert the owner's attention to the pet dog's abnormal behavior and obtain an appropriate coping strategy before consult a veterinarian.

추골기저동맥 일과성 허혈발작에서 뇌간청각유발전위변화에 영향을 미치는 인자 (Factors Influencing the Changes of BAEPs in Vertebrobasilar Transient Ischemic Attacks)

  • 박영혁;유봉구;김광수;유경무
    • Annals of Clinical Neurophysiology
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    • 제2권2호
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    • pp.101-106
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    • 2000
  • Background and Purpose : Brainstem auditory evoked potentials(BAEPs) are responses of the brainstem by auditory stimulation. Vertebrobasilar transient ischemic attacks is the disease that occurs by insufficient circulation in the region of brainstem. The purpose of this study is to know the factors influencing the changes of BAEPs in vertebrobasilar transient ischemic attacks. Methods : The subject of study was 96 patients diagnosed as vertebrobasilar transient ischemic attacks. Patients were divided into two groups according to the BAEPs findings. Their age, sex, presence of hypertension, diabetes, hyperlipidemia, heart disease, neurologic findings, previous stroke, previous vertebrobasilar transient ischemic attacks, smoking and alcohol drinking, and time period between symptom onset and testing were compared. Results : There were no significant differences in age, sex, and presence of hypertension, diabetes, hyperlipidemia, heart disease, previous stroke history, previous vertebrobasilar transient ischemic attack, smoking, and alcohol drinking between two groups. The presence of abnormal neurologic findings in the first examination and time period between symptom onset and testing were significantly different between normal BAEPs group and abnormal BAEPs one(P<0.05). Conclusions : The factors influencing the changes of BAEPs were presence of abnormal neurologic findings and time period between symptom onset and testing. These findings suggest that BAEPs test should be performed in acute stage of ischemic attack.

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육미지황환(六味地黃丸)으로 호전된 당뇨병성 신경병증 1례 (A Case of Yukmijihwang-hwan's effect on Diabetic neuropathy)

  • 조기호;정우상;이경진
    • 대한한방내과학회지
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    • 제20권1호
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    • pp.286-290
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    • 1999
  • Abnormal sensation is the main manifestation of diabetic neuropathy. We treated 53 year-old male patient suffering from diabetic neuropathy with Yukmijihwang-Hwan, herb complex, which has been used to treat Yin deficiency syndrome in Oriental Medicine, The patient complained abnormal sensation(numbness, pain) in the back portion and the both of plantar arch. We could observe the symptom improved after 1 months since the beginning of administration and disappeared after 9 months. So we suggest that long-term administration of Yukmijihwang-Hwan has therapeutic effect on abnormal sensation caused by diabetic neuropathy with the diagnosis of Yin deficiency in Oriental medicine.

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정신분열병 환자에서 갑상선기능과 기분증상 및 신체증상 (Thyroid Dysfunctions Associated with the Mood Symptoms and the Psychosomatic Symptoms in Patients with Schizophrenia)

  • 김세희;한덕현;나철;민경준;주소연
    • 정신신체의학
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    • 제17권1호
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    • pp.30-36
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    • 2009
  • 연구목적 : 갑상선기능은 기분, 인지기능, 불안, 수면 등의 증상과 관련된다. 갑상선기능이상 시에 정신분열병 환자에서 음성증상, 기분, 신체증상에 어떤 차이가 있는지, 또 각각의 증상 변화와 어떻게 연관되는지를 연구하였다. 방법 : 정신분열병으로 입원했던 환자 65명을 입원 당시의 갑상선호르몬 수치에 따라 갑상선기능불안정 군과 갑상선기능정상 군으로 나누었다. 두 군의 입원 당시와 8주 후에 평가했던 음성증상평가척도(Scale for the Assessment of Negative Symptoms ; 이하 SANS), 양성증상평가척도(Scale for the for the Assessment of Positive Symptoms ; 이하 SAPS), 벡우울증척도(Beck Depression Inventory ; 이하 BDI), 신체감각증폭척도(Somatosensory Amplication Scale ; 이하 SSAS)의 변화를 비교하였다. 각 환자들은 항정신병약물 치료를 포함한 입원 치료를 받았으며, 갑상선기능이 불안정했던 경우 4주 후에 갑상선호르몬의 정상화를 확인하였다. 결과 : 8주 뒤에 갑상선기능정상 군과 갑상선기능불안정 군에서 SANS, BDI, SSAS 변화 차이가 의미 있게 나타났다. 갑상선기능정상 군에서 갑상선기능불안정 군에 비해 척도 점수가 크게 낮아졌는데, SANS는 23.3%(F=57.0, p<0.01), BDI는 19.6%(F=12.9, p<0.01), 신체감각증폭척도는 16.2%(F=17.1, p<0.01) 더 변화가 컸다. SANS, BDI, SSAS 세 지표 간에 유의한 상관관계는 없었다. 결론 : 정신분열병 환자들에게서 갑상선기능이 음성증상, 우울감, 신체증상에 관련된 예후에 표지가 될 수 있을 것이다.

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요류검사 시스템의 구현과 요류파라미터의 유용성 평가 (Implementation on the Uroflowmetry System and Usefulness Estimation of the Uroflow Parameters)

  • 한봉효;정도운;김우열;배진우;손정만;김재현;박준모;정문기;전계록
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2002년도 하계종합학술대회 논문집(5)
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    • pp.293-296
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    • 2002
  • In this study, the object is a development on uroflowmetry system to detect a voiding symptom conveniently in home or hospital. The hardware was composed of mechanism and system circuit part, the software was divided into firmware and PC program part. The following experiment was performed to evaluate an ability of classification and fitness. First, the following parameters was calculated in each flow curve pattern. The parameters are MFR, AFR, VOL, VT, FT, and TMF. A significant difference among parameters was examined through a statistical analysis for extracted parameters between normal and abnormal group. In the next work, the following experimentation was performed to classify the voiding symptom. Analysis of congregate rate was examined to find out classification possibility about each symptom of BPH, voiding difficulty, detrusor failure and hyperreflexia, unstable bladder. The uroflow data with the above symptom was divided into normal and abnormal group using fuzzy classifier. and that was performed appending the other group again. Fuzzy classification result using MFR and AFR was superior by 89.6 % more than grouping evaluation including VOL.

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