• Title/Summary/Keyword: passive and active A.R.T

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A Study on the Performance of Active Anti-Rolling Tank Stabilizer System (능동형 횡동요 감쇠장치의 성능에 관한 연구)

  • Choi, Chan-Moon;Ahn, Jang-Young;Lee, Chang-Heon
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.40 no.2
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    • pp.138-143
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    • 2004
  • This experimental paper deals with the performance of tanks that are turned the active A.R.T(Anti-Rolling Tank) when the fluid transfers from wing tank to the opposite tank by the power developed by the automatic control system (INTERING Stabilizer), which was installed in the fishery training ship T/S. A - RA (G/T:990 tons) of Cheju National University. In this paper, the author has tested the performance of INTERING Stabilizer for the signals obtained by the inclinometer in irregular waves and compared with the results obtained in passive mode operation at stop and at various ship speeds. The performances of the system were confirmed the results as follows through the tests: 1. The average amplitude and significant roll (${\pi}$1/3) of the passive and active mode operations in the condition of stoped engine and underway were obtained 8.30$^{\circ}$, 4.37$^{\circ}$, 8.30$^{\circ}$, 4.37$^{\circ}$, and 5.01$^{\circ}$, 4.36$^{\circ}$, 5.50$^{\circ}$, 5.10$^{\circ}$, respectively. 2. The rates of performance of active mode operations were carried out during a sea trial in the condition of stop engine and underway resulted in 47.5%, 12.7%, respectively, therefore the active mode operation estimated to be improved more than passive mode operation. 3. Active - A.R.T by INTERING Stabilizer didn't affect the amplitude of pitching.

The Relationship between the Types of Stress Coping and Life Goals for College Freshmen

  • Kim, Jungae
    • International Journal of Advanced Culture Technology
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    • v.8 no.2
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    • pp.85-95
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    • 2020
  • This study was a descriptive cross-sectional study using questionnaire that analyzed the relationship between stress coping types and life goals in the freshmen. The study period lasted from May 1, 2020 to May 20, 2020. A total of 282 people participated in the study, with freshmen enrolled in C and J provinces. The collected data were analyzed frequency, t-test, multiple regression, and Pearson correlation using SPSS 18.0. As a result, the passive(r=.202, p<0.05), aggressive(r=.243, p<0.05), Supportive(r=.255, p<0.01) and active stress coping types(r=.410, p<0.01) were correlated with achieve oriented life goal. And Supportive(r=.383, p<0.01), Active stress coping types(r=.497, p<0.01) were correlated with life oriented goal. According to gender, men (Mean 1.87, SD=0.62) had higher aggressive stress coping types than women (Mean=1.54, SD=0.52) (t=4.202, p=.000). People with achieve oriented life goals were found to have an effect on passive (t=7.176, p<0.01), aggressive (t=1.974, p<0.05) and evasive stress coping types (t=4.207, p<0.01). People with life oriented life goals were found to have ab effect on passive (t=6.331, p<0.01)), active stress coping types (t=2.101, p<0.05). In addition, passive (t=2.946, p<0.01), aggressive (t=4.067, p<0.01) and evasive stress coping types (t=2.624, p<0.01) affected achieve oriented goals, supportive stress coping types (t=5.438, p<0.01) affected the life oriented life goal, and active stress coping type affected on both achieve (t=4.061, p<0.01) and life oriented life goal (t=6.905, p<0.01).

The Relationship among the degrees of pain coping strategies, Pain and Depression of patients with Rheumatoid Arthritis (류마티스 관절염 환자의 통증대처, 통증 및 우울정도의 관계)

  • Park, Gyung;Choi, Soon-Hee
    • Journal of muscle and joint health
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    • v.5 no.2
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    • pp.253-264
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    • 1998
  • This study has done for the purpose of investigation among the degrees of pain coping strategies, pain, and depression of patients with rheumatoid arthritis. The subjects of this study were 214 patients diagnosed with rheumatoid arthritis. The data were collected from september 4 to 16, 1995 by questionnaires. The data were analysed by the use of frequency, t-test, Pearson Correlation Coefficients, ANOVA, and Duncan test. The results Were as follows ; 1. The mean score of pain was 213.5(range : 4-390) and that of depression was 21.4 (range : 1-50). The mean score of passive pain coping strategies was 30.2(range : 11-48) and that of active pain coping strategies was 18.6(range : 7-33) 2. The passive pain coping degree showed a positive correlation with the pain degree (r=.475, p=.0001) and the active pain coping degree showed a inversive correlation with that(r= -.296, p=.0001). The passive pain coping degree showed a positive correlation with the depression degree (r=.425, p=.0001) and the active pain coping degree showed a inversive correlation with that(r=-.299, p=.0001). The pain degree showed a positive correlation with the depression degree(r=.374, p=.0001).

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The effect of spiritual well-being on stress coping

  • Kim, Jungae;Kim, Juok
    • International Journal of Advanced Culture Technology
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    • v.7 no.3
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    • pp.1-9
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    • 2019
  • This study was a cross-sectional descriptive investigation study that analyzed the effects of spiritual well-being on stress coping in twenties. Data collection period was from May 1, 2019 to May 20, and 207 people voluntarily participated in the study. The sub-factors of spiritual well-being consisted of religious well-being and existential well-being. The types of stress coping consist of active coping, passive coping, aggressive coping, evasive coping, and social supportive coping. Data was analyzed using frequency analysis, t-test, Pearson correlation and multiple regression analysis using SPSS 18.0. As a result of the analysis, 90 (43.5%) were male and 117 (56.5%) were female. The 71.0% of the participants had no religion, the Buddhists were 14.5%, other religions were 5.8%, Protestants were 4.3%, Catholics were 2.9%, and Won Buddhists were 1.4%. Active coping in stress coping was correlated with religious well-being (r=-.357, p<0.01) and existential well-being (r=.301, p<0.01) under statistical significance. Religious well-being was significantly higher in males (Mean=2.87, SD=.753) than females (Mean=2.49, SD=.772, p<0.01). Existential well-being was also higher in males (Mean=4.25, SD=.841) than in females (Mean=3.95, SD=.694, p<0.01). The religious well-being was significantly higher than active coping (t=6.183, p<0.01), passive coping (t=-3.595, p<0.01), aggressive coping (t=1.991, p<0.05). Existential well-being was significantly higher than active coping (t=5.339, p<0.01), aggressive coping (t=1.659, p<0.05), evasive coping (t=-3.709, p<0.05) at the statistical significance level. Based on the results, it can be suggested that it was necessary to systematically plan spiritual well-being program as a way to cope with stress by knowing that spiritual well-being positively affects active, aggressive stress coping.

Duty-related incidental stress and the coping method in new firefighters (신임 소방대원의 직무관련 출동 스트레스와 대처)

  • Baek, Mi-Lye
    • The Korean Journal of Emergency Medical Services
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    • v.18 no.3
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    • pp.53-62
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    • 2014
  • Purpose: This study aimed to investigate duty-related incidental stress, coping method, and stress factors in 133 new firefighters. Methods: A self-reported questionnaire was administrated to 133 new firefighters between April and May 2010. It consisted of 33 and 62 items concerning duty-related incident stress and coping methods, respectively. Data were analyzed by using the t-test, analysis of variance, Pearson correlation coefficient analysis, and multiple regression analysis. Results: New firefighters experienced the most stress when inappropriately dispatched. Duty-related incidental stress correlated with active (r = .420, p < .001) and passive coping (r = .450, p < .001). Also active coping statistically correlated with passive coping (r = .890, p < .001). Influencing factors of duty-related incidental stress were passive coping (t = 2.12, p < .05), experience of having a co-worker in a dangerous situation (t = 3.30, p < .001), having less than 6 months of work experience (t = 2.30, p < .05), and experience of having oneself in a dangerous situation (t = 2.05, p < .05). Conclusion: New firefighters need to be provided with training on active coping to prevent posttraumatic stress disorders and, social support immediately after an inappropriate and stressful dispatch.

Application of Semi-active TMD for Vibration Control of Floor Slab (바닥판 구조물의 진동제어를 위한 준능동 TMD의 적용)

  • Kim, Gee-Cheol;Kang, Joo-Won
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 2007.04a
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    • pp.607-612
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    • 2007
  • A conventional passive TMD is only effective when it is tuned properly. In many practical applications, inevitable off-tuning of a TMD occurs because the mass in a building floor could change by moving furnishings, people gathering, etc. When TMDs are off tuned, TMDs their effectiveness is sharply reduced. This paper discusses the application of MR-TMD, semi-active damper, for the reduction of floor vibrations due to machine and human movements. Here, the groundhook and skyhook algorithm are applied to a single degree of freedom system representative of building floors. And displacement and velocity base control method are applied to reduce t100r vibration. The performance of the STMD is compared to that of the equivalent passive TMD. Comparison of the results demonstrates the efficiency and robustness of STMD with respect to equivalent TMD.

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Relationship between Health Promotion Behavior and Marriage Value View

  • Kim, Jungae;Seo, Eunhui
    • International Journal of Advanced Culture Technology
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    • v.8 no.3
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    • pp.10-17
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    • 2020
  • This study was cross sectional descriptive survey study to analysis the relationship between marriage value view and health promotion behavior among university students. Questionnaires from those who voluntary agreed to the study were collected online, and the collection period was from May 20, 2020 to June 10, 2020. Research tools for analyzing marriage value view was used by RR lee, and health promotion behavior research tools was developed by Walker., The data analysis was performed using SPSS 18.0 as frequency, Pearson correlation, t-test, and Multiple regression analysis. According to the analysis, women had high passive (p<0.05) and exclusive (p<0.01) marriage value view, while men had high active (p<0.01) and instrumental (p<0.05) marriage value view. According to the analysis, it turns out that people who value interpersonal relationships during health promotion have a positive effect on romantic (t=2.383, R2=.257, p=.019) and instrumental (t=2.201, R2=.120, p=.030) marriage value view. Hygiene has been appeared to affect Passive marriage value view (t=3.001, R2=.111, p=.003) and Exclusive marriage value view (t=3.765, R2=.122, p=.000). Nutrition has been appeared to affect conservative marriage value view (t=2.086, R2=.118, p=0.039). Exercise has been appeared to affect conservative marriage value view (t=2.456, R2=.118, p=0.015) and active marriage value view (t=2.261, R2=.168, p=0.025). Through this study, in order to increase for the desire of marriage, marriage values need to be organized differently between men and women in marriage value programs and it suggested that health promotion behavior be included in programs that enhance the value of marriage.

Comparison of Six Tests for Assessing Hamstring Muscle Length (슬괵근 유연성 평가에 관한 연구)

  • Kim, Suhn-Yeop
    • The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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    • v.5 no.1
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    • pp.39-51
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    • 1999
  • Background and Purpose. Objective measurements of hamstring muscle length are needed to quantify baseline limitations and to document the effectiveness of therapeutic interventions. Several indirect clinical tests for measuring hamstring muscle length are available, but influence of their test procedure is not well documented. The purpose of this study were 1) to describe hamstring muscle length as reflected by use of six tests(active straight leg raising(ASLR), passive straight leg raising(PSLR), passive straight leg raising with the lower back flat(PSLRB), active knee extension(AKE), passive knee extension(PKE), hip joint angle(HJA). 2) to examine the correlation among the tests. Subjects, Sixty subjects(30 men. 30 women) ranging in age from 18 to 25 years(mean 20.2 years) and with no limitation hamstring flexibility and no neurological and orthopedical problems. Methods. All subjects performed six tests. A inclinometer was used to determine the end point of range of motion. HJA was measured using an inclinometer placed over the sacrum. PSLRB were tested PSLR with the low back flat and the opposite thigh slightly flexed and support on pillows. Results, A mean ASLR value of 85.9 degrees, PSLR value of 99.9 degrees, PSLRB value of 109.8 degrees, AKE value of 77.2 degrees PKE value of 83.1 degrees and HJA value of 73.0 degrees were obtained for all subjects. A dependent t-test showed significant difference between the angles of ASLR and PSLR(p<0.001). There was a significant difference between the angles of PSLR and PSLRB(p<0.001). There was a significant difference between the angles of AKE and PKE(p<0.001). The highest correlation was between PSLR and PSLRB(r=0.915, p<0.001). All SLR tests were significants related(p<0.001), as well as AKE and PKE(p<0.001). The lowest correlation was between PKE and HJA(r=0.171. p>0.05). Conclusion and Discussion. The results indicated that the hip flexion angles for ASLR, PSLR and PSLRB were a difference, and the knee extension angles for AKE and PKE were a difference.

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A Study On The Application Of Active Power Factor Correction Circuit In Inverter Airconditioner (인버터에어컨에 능동역률개선회로 적용에 관한 연구)

  • Kim, Tae-Duk;Bae, Young-Dawn;Park, Yoon-Ser
    • Proceedings of the KIEE Conference
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    • 1996.07a
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    • pp.306-308
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    • 1996
  • The demands of minimizing the reactive power and reducing the current harmonics are increasing nowdays. The inverter airconditioner needs high inductive power and it operates with wide load ranges. Conventionally, an huge LC passive filter is used in airconditioner to improve the power factor and to reduce current harmonics which doesn't give good results. In this paper, a design of active power factor correction(APFC)circuit for inverter airconditioner is described. To improve the P.F and reduce the current THD, average current controlled APFC is designed and tested. The problems of APFC implementation, their solution and testing results are described.

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A Study on Self-esteem, Coping Type and the Quality of Life in Mothers of Handicapped Children (장애아 어머니의 자아존중감, 대처유형, 삶의 질에 관한 연구)

  • 심미경
    • Journal of Korean Academy of Nursing
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    • v.27 no.3
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    • pp.673-682
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    • 1997
  • The purpose of this study was to examine the relationship between self-esteem and quality of life (QOL) and between coping type and quality of life (QOL) in mothers of handicapped children and (further to identify the level of self-esteem and quality of life of the subjects. The subjects of this study were the 51 mothers of handicapped children who were registered in two special schools in Taejon. The data were collected using a questionnaire and the period of the data collection was from April 18th to May 26th, 1997. The instruments for this study were Rosenberg's self-esteem scale, Folkman & Lazarus's Ways of Coping Checklist(WCC) and the quality of life scale designed by Ro, You Ja. The results were analyzed using SPSS/PC/sup +/. Data analysis included the descriptive correlational statistics of ANOVA. Pearson Correlational Coefficient, and t-test. The results are as follows : 1. The level of self-esteem showed a mean score 34.51 and the level of QOL, a mean score 137.55. An Active type of coping was used more of fen than a passive one. 2. The level of self-esteem differed according to monthly income and was significantly higher in mothers of children with acquired handicaps than those of children with congenital handicaps. The level of QOL differed according to monthly income. 3. There was a positive correlation between health status and self-esteem(r=.355, p<.05), and between health status and QOL(r=.367, p<.01). 4. Test for hypothesis ; Hypothesis 1, "The higher the level of self-esteem in mothers of handicapped children, the higher their level of quality of life will be. "was supported (r=.755, p<.001) Hypothesis 2, "The QOL level for the active coping group as compared to the passive coping group will be higher. " was not supported.

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