• 제목/요약/키워드: Attachment theory

검색결과 125건 처리시간 0.028초

Energy-Aware Preferential Attachment Model for Wireless Sensor Networks with Improved Survivability

  • Ma, Rufei;Liu, Erwu;Wang, Rui;Zhang, Zhengqing;Li, Kezhi;Liu, Chi;Wang, Ping;Zhou, Tao
    • KSII Transactions on Internet and Information Systems (TIIS)
    • /
    • 제10권7호
    • /
    • pp.3066-3079
    • /
    • 2016
  • Recent years have witnessed a dramatic increase in topology research of wireless sensor networks (WSNs) where both energy consumption and survivability need careful consideration. To balance energy consumption and ensure survivability against both random failures and deliberate attacks, we resort to complex network theory and propose an energy-aware preferential attachment (EPA) model to generate a robust topology for WSNs. In the proposed model, by taking the transmission range and energy consumption of the sensor nodes into account, we combine the characters of Erdős -Rényi (ER) model and Barabasi-Albert (BA) model in this new model and introduce tunable coefficients for balancing connectivity, energy consumption, and survivability. The correctness of our theoretic analysis is verified by simulation results. We find that the topology of WSNs built by EPA model is asymptotically power-law and can have different characters in connectivity, energy consumption, and survivability by using different coefficients. This model can significantly improve energy efficiency as well as enhance network survivability by changing coefficients according to the requirement of the real environment where WSNs deployed and therefore lead to a crucial improvement of network performance.

넓은 범위의 힘/모멘트비를 갖는 3분력 힘/모멘트 센서 설계 (Design of 3-component Force/Moment Sensor with Force/Moment Ratio of Wide Range)

  • 김갑순
    • 한국정밀공학회지
    • /
    • 제18권2호
    • /
    • pp.214-221
    • /
    • 2001
  • This paper describes the design of 3-component force/moment sensor with the force and moment ratio of wide range. It can measure the x-direction force Fx, y-direction force Fy and z-direction moment Mz simultaneously. In order to accurately measure forces and moment using 3-component force/moment sensor, it should get suitable force and moment ratio(the ratio of force Fx=200 N and moment Mz=20 Nm is ten to one), and small interference error. In this paper, in order to design the 3-component force/moment sensor with the force and moment ratio of wide range, the procedures are performed as follow : 1) the derivation of the equations to predict the bending strains on the surfaces of the plate-beams under the force or the moments, 2) the determination of the size of the sensing elements of the force/moment sensor by using the derived equations, 3) the Finite Element Method(FEM) analysis and the characteristic test for confirming the strains from the theory analysis, 4) the selection of the attachment locations of the strain gages of each sensor, 5) the analysis of the rated strain and the interference error at the attachment location of strain gages. It reveals that the rated strains calculated from the derived equations make a good agreement with the results from the Finite Element Method analysis and the characteristic test.

  • PDF

목표계획과정의 영향요인 탐색연구 (Exploration on the Affecting Factors in Goal Planning)

  • 유재욱;허근
    • 경영과정보연구
    • /
    • 제32권2호
    • /
    • pp.1-19
    • /
    • 2013
  • 본 연구는 목표계획과정의 영향요인들을 포괄하는 체계모델을 제시하고, 다양한 요인들 중 특별히 수립체계의 적합성과 목표달성 가능성에 대한 구성원들의 인식수준에 영향을 미치는 요인들을 탐색하는데 주된 목적을 두고 실행되었다. 국내 상장사들의 목표계획과정에 대한 정보를 수집하여 분석한 결과는 목표계획과 관련하여 제시되어온 다양한 주장과 이론들이 40개의 시사점으로 요약 정리될 수 있으며, 이들은 다시 구성원들의 참여시스템과 업무동기, 최고경영자의 체계성과 실행의지, 상하의 정렬, 목표내용, 환경변화에 대한 조정을 포함하는 7개의 요소군으로 분류될 수 있음을 보여주고 있다. 또한 도출한 7개의 요소군들 중 목표내용 요소군은 목표수립체계에 대한 구성원들의 수용성과 실현 가능성에 대한 인식수준 모두에 영향을 미치는 것으로 나타났다. 반면 상하의 조정, 환경변화에 대한 조정을 포함하는 구조적 특성의 요소군들은 구성원들의 수용성에, 최고경영자의 실행의지, 구성원의 업무동기를 포함하는 내면적이고 심리적인 특성의 요소군들은 목표달성 가능성에 대한 인식수준에 중대한 영향을 미치는 것으로 나타났다. 연구결과는 목표수립체계 구축수준을 진단하기 위한 체크리스트와 성과향상을 위한 목표효과 극대화에 도움이 되는 다양한 시사점들을 제공하고 있다.

  • PDF

『단경』에 나타난 자성의 심리학 - 본래적 자성과 포괄적 자성의 역동성을 중심으로 (Psychology of the self-nature in platform sutra-focused on dynamics in essential and inclusive self-nature)

  • 윤희조
    • 철학연구
    • /
    • 제146권
    • /
    • pp.137-162
    • /
    • 2018
  • 본고는 불교심리학의 한 분야인 선심리학을 혜능의 "단경"을 중심으로 살펴보고자 한다. 선심리학은 불교심리학의 분류에 따라서 선심학, 선심소학, 선심리치료로 분류할 수 있다. 이러한 분류 하에서 혜능의 선심리학은 자성의 심리학으로 볼 수 있고, 본래적 의미의 자성과 포괄적 의미의 자성의 역동성에 의해서 전개되는 것을 볼 수 있다. 선심학에서 심은 자성을 기반으로 드러난다. 본래적 자성이 드러나면 본심이 되고, 포괄적 자성이 드러나면 인심이 된다. 본래적 자성은 만법건립성, 불가득성, 불가명성, 청정성, 평등성, 자불성이라는 특징을 가진다. 법론에서 법은 불이이고 평등하지만, 인간론에서 인간은 근기의 예둔과 돈점에 따라서 범부와 성인, 하근기와 상근기로 나뉜다. 마음의 운동성을 보여주는 연기론에서 자성의 은현, 미오, 범성을 오가는 두 가지 의미의 자성의 역동성을 볼 수 있다. 세계관에서는 이러한 역동성으로 인해서 펼쳐지는 세계와 현상은 자성의 작용이라는 것을 볼 수 있다. 선심소학은 선심리학에서 전개되는 마음의 기능 즉 반야와 중생심을 다룬다. 반야는 자성으로부터 발생하고 모든 사람이 가지고 있다. 형상이 없는 지혜인 반야는 전체와 하나를 동시에 아는 것이고, 수많은 번뇌를 지혜로 바꾼다. 또한 이법(二法)을 본래적 자성으로 나아가게 하는 것이 반야이다. 중생심은 이러한 반야의 기능을 덮고 있는 내부의 중생을 말한다. 중생심을 본래적 자성으로 나아가게 하는 것으로 참회와 서원이 있다. 신심리치료는 인간의 예둔과 법의 평등의 괴리를 없애기 위해서 견성을 목적으로 제시하고 있다. 이러한 목표를 이루기 위한 방법론으로 혜능은 전통적인 계정혜의 방법론을 마음의 관점에서 새롭게 해석함과 동시에 자신의 고유한 방법론으로 삼무를 제시한다. 분별, 염오, 집착이 없는 무상 무념 무주의 방법론을 제시한다. "단경"의 선심리학은 자성을 중심으로 전개된다는 의미에서 자성의 심리학이라고 할 수 있다.

${\ll}$황제내경(黃帝內徑)${\gg}$의 본수이론(本輸理論)에 대한 연구(硏究) (A study of bonshu(本輸) theory of Huangdineijing(黃帝內徑))

  • 이용범;홍원식
    • 대한한의학원전학회지
    • /
    • 제6권
    • /
    • pp.144-169
    • /
    • 1993
  • As a result, a study of honshu(本輸) theory of Huangdineijing(黃帝內徑) was led to the next conclusions. 1. In Huangdineijing(黃帝內徑), the connection of bonshu(本輸) flows and jingmai(經脈)'s can be compared to that of the earth's surface water flows and subterranean's. Bonshu(本輸) exists on qi flows which is formed in consquence of running over of twelve jingqi(經氣) and fifteenth luoqi(絡氣) in four extremities. 2. While jingluo(經絡) is composed of twelve mai(脈), bonshu(本輸) is composed of eleven mai(脈), it is because xin(心) has no disease and also has no bonshu(本輸). Bonshu(本輸) is used to treat disease of viscera and entrails, and frequently used in autumn and winter, also used when the outer layer or the inner layer of human body is become a fighting area of zhengxie(正邪). Physiologically, jingmai(經脈) nourishes the whole body and it's acting is prospered in four extremities. Bonshu(本輸) flows is just described as the process of gathering and storing the fruits of jingmai(經脈)'s acting. 3. In wuxing(五行) attachment of bonshu(本輸), from a ti(體) point of view, jing(井) xing(榮) shu(兪) jing(經) he(合) is oderly attached to shui(水) mu(木) huo(火) tu(土) jin(金), and from a yong(用) point of view, which is divided into two, bonshu(本輸) of yang(陽) area is oderly attached to jin(金) shui(水) mu(木) huo(火) tu(土), while bonshu(本輸) of yin(陰) area is oderly attached to mu(木) huo(火) tu(土) jin(金) shui(水). 4. Huangfu mi(皇甫 謐) had stated the bonshu(本輸) of xin(心) in Jiayijing(甲乙經), his writings, and therefore have faded the meaning of the concept of Huangdineijing(黃帝內徑)'s "only xin(心) has no bonshu(本輸)". Hua shou(滑 壽) had stated bonshu(本輸) in oder of jingmai(經脈) flows in his writings, Shisijingfahui(十四經發揮) and therefore completely have faded the meaning of Huangdineijing(黃帝內徑)'s bonshu(本輸).

  • PDF

간호대학생의 프리셉터십 융복합 실습 경험 (A Convergence Work Experience of Nursing Students under Preceptorship)

  • 남문희;김혜옥
    • 디지털융복합연구
    • /
    • 제15권9호
    • /
    • pp.283-300
    • /
    • 2017
  • 연구의 목적은 3년+1년 학제 재학 중인 간호대학생의 프리셉터십 실습 경험을 이해하고 이를 토대로 간호직의 중도 포기를 방지하기 위한 효율적인 실습방안을 제시하기 위함이다. 연구방법은 23명의 참여자를 네 집단으로 나누어 초점 그룹 면담으로 진행하였다. 자료 분석은 Corbin and Strauss 근거이론으로 분석하였다. 본 연구결과는 비교분석을 통하여 이 연구의 중심현상은 '등대 찾아가기'였다. 원인적 조건은 간호업무를 배우는 기회였다. 맥락적 조건은 진짜 신규 간호사가 된 기분, 임상현장의 생생한 정보획득, 학생들의 프리셉터십 실습 교육에 대한 인식 부재로 나타났다. 중재적 조건은 근무환경, 주도적 학습 및 애착심이 도출되었다. 작용/상호작용 전략으로 다양한 환자 및 보호자 맞추어 가기, 남의 일 같지 않은 일 및 아는 것만큼 보임으로 도출되었다. 작용/상호작용의 결과로 뿌듯함 및 신규간호사 역할 배움에 대한 여정이 도출되었다. 본 연구결과는 '등대 찾아가기' 과정에 있는 간호 학생들에게 유용한 임상 실습 향상을 위한 기초를 제공하는데 의미가 있다.

한국 주부들이 경험하는 스트레스 본질의 근거이론적 접근 (A Grounded Theory Study on Substantials of Stress of Korean Wives)

  • 양경희;정주연;최선하
    • 지역사회간호학회지
    • /
    • 제6권2호
    • /
    • pp.183-196
    • /
    • 1995
  • The purpose of this study was to construct a substantive theory about the substantials of stress of Korean Wives in the community. The subjects were 10 wives. In the process of data analysis, 'burden' was found to be the core phenomenon. And the properties of burden were 'burden of domestic economy', 'a sence of duty about the esteemed family of her husband', 'role burden in a family and her work place', and 'burden of conception'. Twenty five hypotheses were derived from the integration of categories. It is as follows : 1. The stronger the difference as perceiced by subjects, the stronger the burden will be. 2. The stronger the dissatisfaction, the stronger the burden will be. 3. The stronger the trouble, the stronger the burden will be.4. The stronger the worry, the stronger the burden will be. 5. The stronger the forcible demand, the stronger the burden will be. 6. The stronger the regret, the stronger the burden will be. 7. The rarer the communication, the stronger the burden will be. 8. The stronger the fatigue, the stronger the burden will be. 9. The stronger the anger, the stronger the burden will be. 10. The stronger the worrisome feeling, the stronger the burden will be. 11. The stronger the unbearable feeling, the stronger the burden will be. 12. The stronger the resentment. the stronger the burden will be. 13. The stronger the sence of insufficiency, the stronger the burden will be. 14. The stronger the estrangement, the stronger the burden will be. 15. The stronger the attachment, the stronger the burden will be.

  • PDF

The Analysis of Self-Mutilation in Adolescence Based on the Theory of Mentalization: From Sukhvinder in the Novel 'Casual Vacancy'

  • Oh, Mi Ae;Park, Chanmin;Lee, Yeon Jeong;Hong, Minha;Han, Ju Hee;Oh, Soo Hyun;Park, Jun Heon;Bahn, Geon Ho
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
    • /
    • 제30권3호
    • /
    • pp.100-108
    • /
    • 2019
  • Objectives: Adolescence involves a number of developmental processes, as well as unique psychological characteristics and behaviors. An increased rate of internet and game addictions, school violence, and suicide may either represent aspects of adolescence or a psychopathological phenomenon. There is an urgent need to develop software programs that can prevent and resolve adolescent behavioral problems. We applied the mentalization theory to interpret and find solutions for problems faced by adolescent characters in literature. Methods: In Joan Rowling's novel "Casual Vacancy," Sukhvinder is a girl with problems representative of those encountered by modern adolescents; she is a victim of bullying and engages in self-mutilation. We targeted her problematic behaviors as representative of a prementalized state. Results: Born into an upper-class English family with Pakistani origins, Sukhvinder, unlike her siblings, fails her parents' expectations. Whenever she faces a psychological crisis, she regresses into the teleological mode (the most primitive pre-mentalization stage) and regains her sense of self by cutting herself. After her friend's suicide, however, she begins to communicate with her parents and moves toward mentalization. Conclusion: By analyzing Sukhvinder's behavior, we assessed patterns of attachment, empathy, and mentalization, and identified corrective approaches for problematic behaviors. We believe that the presented interpretation may serve as a foundation for the development of models for understanding adolescent deviant behaviors.

Coverage Dependent Adsorption and Electronic Structure of Threonine on Ge (100) Surface

  • 이명진;김기정;이한길
    • 한국진공학회:학술대회논문집
    • /
    • 한국진공학회 2012년도 제43회 하계 정기 학술대회 초록집
    • /
    • pp.212-212
    • /
    • 2012
  • The Coverage dependent attachment of multifunctional groups included in threonine molecules adsorbed to Ge (100)$-2{\times}1$ surface was investigated using core-level photoemission spectroscopy (CLPES) and density functional theory (DFT) calculations. The core-level spectra at a low coverage indicated that the both carboxyl and amine groups participated in the bonding with the Ge (100) surface by "O-H dissociated and N-dative bonded structure". However, at high coverage level, additional adsorption geometry of "O-H dissociation bonded structure" appeared possibly to minimize the steric hindrance between adsorbed molecules. Moreover, the C 1s, N 1s, and O 1s core level spectra confirmed that the carboxyl oxygen is more competitive against the hydroxymethyl oxygen in the adsorption reaction. The adsorption energies calculated using DFT methods suggested that four of six adsorption structures were plausible. These structures were the "O-H dissociated-N dative bonded structure", the "O-H dissociation bonded structure", the "Om-H dissociated-N dative bonded structure", and the "Om-H dissociation bonded structure" (where Om indicates the hydroxymethyl oxygen). These structures are equally likely, according to the adsorption energies alone. Conclusively, we investigate in threonine on Ge (100) surface system that the "O-H dissociated-N dative bonded structure" and the "O-H dissociation bonded structure" are preferred at low coverage and high coverage.

  • PDF

개방형협업 참여자의 지식창출·지식공유 구조와 혁신 성과: 오픈소스 소프트웨어 개발 커뮤니티를 중심으로 (The Impact on Structures of Knowledge Creation and Sharing on Performance of Open Collaboration: Focus on Open Source Software Development Communities)

  • 구경모;백현미;이새롬
    • 지식경영연구
    • /
    • 제18권4호
    • /
    • pp.287-306
    • /
    • 2017
  • This research focus on the effect of developers' participation structure in knowledge creation and knowledge sharing activities in open source software development projects. Based on preferential selection theory, hypotheses of relationship between a developers' concentration of knowledge creation/sharing activities and collaboration performance was derived. To verify the hypotheses, we use the Gini coefficient in the commit contribution of the developers (knowledge creation) and the centralization index in the repository issue network (knowledge sharing network). Using social network analysis, this paper calculates centralization index from developers in the issue boards in each repository based on data from 837 repositories in GitHub, a leading open source software development platform. As a result, instead of all developers creating and sharing knowledge equally, only a few of developers creating and sharing knowledge intensively further improve the performance of the open collaboration. In other words, a few developers predominantly providing commit and actively responding to issues raised from other developers enhance the project performance. The results of this study are expected to be used by developers who manage open source software project as a governance strategy, which could improve the performance of open collaboration.