• Journal of Welding and Joining
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• v.15 no.6
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• pp.66-77
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• 1997

In the present work, Taguchi method for electron beam welding(EBW) process in AISI 4130 steel plate has been adopted for investigating the contribution of effect of welding variables. $A L_8(2^7)$ orthogonal array is adopted to obtain the effect of adjustment parameters. The adjustment parameters consist of accelerating voltage, beam current, travel speed and focus currrent. And the quality features selected for the EBW process are bead width of weldment, reinforcement, penetration depth, undercut and area of weld metal. Variance analysis is performed in order to check the effect of adjustment parameters on EBW. The mechanical properties of electron beam welded joints for each heat treatment conditions are investigated in comparison with those of base metal, especially from the view point of tensile and impact properties.

• Journal of the Korean Data and Information Science Society
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• v.20 no.1
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• pp.11-24
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• 2009

The process controller in the adjustment procedure is often used effectively to control the process level close to target when noise is present and unremovable. Examples of the robust controller are single EWMA controller and double EWMA controller. Double EWMA controller is designed to reduce the offset of the process deviation, which single EWMA can not eliminate. In this paper, the two controllers are modified by taking EWMA of the original controller to reduce the adjustment variance, which may become excessively large when the two given controllers are implemented. It is shown that the EWMA modification of the given controllers is successful in reducing the adjustment variance, while the mean squared deviation increases slightly.

• Journal of Sensor Science and Technology
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• v.27 no.6
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• pp.357-361
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• 2018

This paper presents an averaging current adjustment technique for reducing the pixel resistance variation in a bolometer-type uncooled infrared image sensor. Each unit pixel was composed of an active pixel, a reference pixel for the averaging current adjustment technique, and a calibration circuit. The reference pixel was integrated with a polysilicon resistor using a standard complementary metal-oxide-semiconductor (CMOS) process, and the active pixel was applied from outside of the chip. The averaging current adjustment technique was designed by using the reference pixel. The entire circuit was implemented on a chip that was composed of a reference pixel array for the averaging current adjustment technique, a calibration circuit, and readout circuits. The proposed reference pixel array for the averaging current adjustment technique, calibration circuit, and readout circuit were designed and fabricated by a $0.35-{\mu}m$ standard CMOS process.

• Journal of Korean Academy of Nursing Administration
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• v.15 no.3
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• pp.391-402
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• 2009

Purpose: The purpose of this research was to describe the decision making experience of VIP ward nurses in the clinical practice adjustment process. The research question was about "how nurses adjust their clinical practice to nursing situations and develop decision making process in a VIP ward." Method: The methodology of collecting and analyzing the data was based on the grounded theory of Strauss and Corbin(1998). The data was collected through in-depth interviews with 10 nurses from July to November, 2007. Results: The core category of nursing care decision making process was named as "adjusting with flexibility and deepened insight." The clinical practice adjustment process in nursing care decision making has progressed through four preceding interlocking phases: 1) dependent phase, 2) defensive phase, 3) independent phase, 4) integrative phase. These phases were classified by the level of nurses' dependency, proactivity, presupposition and integration. Conclusion: The result of this study indicated that nurse's decision making depended on their experiences and the nature of social context in which nursing occurs. Therefore, it is important to elaborate an effective training program for nurses to develop the phases of nursing care decision making.

• Korean Journal of Family Social Work
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• no.23
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• pp.225-262
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• 2008

The purpose of this study was to improve the understanding of essential experiences of children of Alcoholism and explore their adjustment process from the children's perspectives. The specific research questions explored in this study were: 1. What was the central phenomenon that children of Alcoholism have experienced? 2. What was the adjustment process of the children of Alcoholism. The grounded theory was adopted in this study to address the research questions. Data was collected through in-depth interviews with eight young adult aged from 18-30 years olds who experienced their parent's Alcoholism. Grounded theory based data analyses resulted in 85 concepts, 30 sub-categories, and 16 categories. The 'causal conditions' influencing the central phenomenon was 'self denial' and 'being suppressed' is the central phenomenon for the children of Alcoholism. The core issue in the process of an adjustment of children from a Alcoholism family was 'accepting the parental Alcoholic problem and re-defining the self', The results of this study suggest that counseling interventions are suggested to improve children's well-being and facilitate their adjustment. Therefore this study has implication on building theory of intervention on the offsprings who have parents of Alcoholism.

• Journal of Korean Academy of Nursing
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• v.34 no.1
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• pp.5-14
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• 2004

Purpose: The purpose of this study was to explore adjustment pattern of illness process of people with hemophilia in Korea. Method: 23 people with hemophilia had participated for this study. The data were collected through in-depth interviews and analyzed using Strauss & Corbin's grounded theory method. Results: 'would be free from' was emerged as a core category and it reflects that all participants wanted to be free from the constraints of the disease. The adjustment process was categorized into two stage, the ‘unstable stage’ and the ‘stable stage’. In the process of 'would be free from' four different patterns were identified: hopelessness type; appreciation type; challenge type; and transcendence type. These types were identified based on the degree of pursuing normal life and managing the disease, and social support. The most frequently occurring type was hopelessness type but the participants of this type suffered the most. The transcendence type was the most ideal type, but it occurred the least. Conclusion: The results of this study indicate that people with hemophilia in Korea still suffer from the disease and they need supports. The results would be useful for health care professionals in establishing education and counseling program for the people with hemophilia.

• Korean Journal of Social Welfare Studies
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• v.42 no.1
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• pp.399-432
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• 2011

The purpose of this study is to understand the adjustment process of families adopting an older child, and to generate a substantial theory. To achieve this purpose, we conducted in-depth interviews with mothers adopting an older child and analyzed data with qualitative analysis approach. From the analysis, theoretical model has been made, and the model includes the adoptive families' diverse experiences, barriers to adjustment as well as resources and strategies that they mobilized and used for smooth adjustment. Their experiences in the process of adjustment consisted of five phases: unfamiliar meeting, shock, fighting alone without support, control, and stability. Barriers to adjustment process were composed of adoptees' problem behaviors, loss of time, lack of preparation, lack of experiences, repetition of the vicious circle, withstanding alone, improper resources, lack of support, and being criticized. Resources and strategies that families adopting an older child utilized were individual resources and ability such as rearing experiences, intellectual ability, willingness, belief, and perspective change; family system such as spouse and other offsprings; informal support system such as extended families, relatives, friends, neighbors, and other families adopting an older child; formal resources such as adoption workers and helping professionals. From our results, we suggested policy and practice guidelines to help adjustment experiences for families adopting an older child.

• The Journal of the Korea Contents Association
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• v.13 no.2
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• pp.277-295
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• 2013

The purpose of the phenomenological study was to explore the meaning of family adjustment process experience according to married immigrant women's perception and to enrich our understanding. In order to accomplish the purpose of research, six married immigrant women participated. Data were collected through in-depth interview. In addition, the data were analyzed by a Colaizzi's phenomenological analysis. The findings showed that the meaning of family adjustment process experience in married immigrant women were identified as 37 themes and 8categories. The 8 categories consisted of "deciding to marry a foreigner", "first meeting and marriage", "starting to living as a korean", "getting along with husband", "becoming a family with in-laws", "playing one's role as a mother", "missing hometown and family", "adjusting to living in Korea". Based on the findings, we discussed the meaning of family adjustment process experience in married immigrant women. And lastly, this results made suggestions for the social welfare policies and practices for them and their families.

• Communications for Statistical Applications and Methods
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• v.16 no.3
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• pp.429-436
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• 2009

This paper considers the integrated process control procedure for detecting special causes in an IMA(1,1) process that is being adjusted automatically after each observation using a minimum mean squared error adjustment policy. When the control chart signals after the occurrence of a special cause, the special cause will be detected and eliminated from the process by the rectifying action. However, when the elimination of the special cause costs high or is not practically possible, an alternative action is to readjust the process with appropriately modified adjustment scheme. In this paper, we propose the readjustment procedure after having a true signal, and show that the use of the readjustment can reduce the deviation of a process from the target.

• Transactions of the Korean Society for Noise and Vibration Engineering
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• v.26 no.6_spc
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• pp.736-743
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• 2016

This study describes optimization methods for adjustment of helicopter main rotor tracking and balancing (RTB). RTB is a essential process for helicopter operation and maintenance. Linear and non-linear models were developed with past RTB test results for estimation of RTB adjustment. Then global and sequential optimization methods were applied to the each of models. Utilization of the individual optimization method with each model is hard to fulfill the RTB requirements because of different characteristics of each blade. Therefore an ensemble model was used to integrate every estimated adjustment result, and an adaptive method was also applied to adjustment values of the linear model to update for next estimations. The goal of this developed RTB adjustment optimization program is to achieve the requirements within 2 run. Additional tests for comparison of weight factor of the ensemble model are however necessary.