• Title/Summary/Keyword: physical principles

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TRIZ 인과관계 모순트리와 통합원리를 이용한 물리적 모순의 창의적 해결방안의 고찰 및 적용방안 (Review and Application of Creative Problem-Solving Processes for Technical and Physical Contradictions Using Cause-And-Effect Contradiction Tree and Integrated Principles of TRIZ)

  • 최성운
    • 대한안전경영과학회지
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    • 제17권2호
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    • pp.215-228
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    • 2015
  • A creative innovation and an innovative problem-solving of industrial companies can be achieved by overcoming the challenges of technical and physical contradictions. The approaches to address conflicting and paradoxical problems, such as technical and physical contradictions have a crucial role in advancing the quality assessment for manufacturer and service provider. The term, technical contradiction, depicts the state that improvement of one ends of IFR (Ideal Final Result) leads to unfavorable condition of the other ends, and results in conflicting problem. Another type of contradictions that's discussed in this study is a physical contradiction which is due to two mutually opposing states of the means of ends, and gives paradoxical situation. By integrating the means-ends chain perspectives, the physical contradiction that is a specifically root-causes, "means", can be initially addressed to resolve the downstream problem of technical contradiction which represents a general and abstract goals, "ends". This research suggests IFR resolution processes to handle both physical contradiction of means and technical contradiction of ends by employing causal relationship with IFR, effects and causes. In summary, the study represents three major processes that resolve such contradictions are demonstrated as follows: 1) Derivation of causal and hierarchical relationship among IFR, ends and means by considering CAED (Cause-And-Effect Diagram) and LT (Logic Tree). 2) Identification of causal relationship between physical contradiction and technical contradiction by using TPCT (TRIZ Physical Contradiction Tree) and TCD (Technical Contradiction Diagram). 3) Application of integrated TRIZ principles by classifying 40 inventive principles into 4 general conditions of the separation principle of mutually opposite states in space, in time, based on conditions, and between the parts and the whole. In order to validate the proof of proposed IFR resolution processes, the analysis of the TRIZ case studies from National Quality Circle Contest in the years, 2011 to 2014 have been proposed. The suggested guidelines that are built based on TRIZ principles can uniquely enhance the process of quality innovation and assessment for quality practitioners.

트리즈의 물리적 모순에 대한 모순해결 나비모형의 모순관계와 해결차원 분류 (Classification of Contradiction Relations and their Solving Dimensions based on the Butterfly Model for Contradiction Solving for Physical Contradiction of TRIZ)

  • 현정석;박찬정
    • 지식경영연구
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    • 제15권4호
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    • pp.15-34
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    • 2014
  • Creative problem solving has become an important issue in many fields. Among problems, dilemma need creative solutions. New creative and innovative problem solving strategies are required to handle the contradiction relations of the dilemma problems because most creative and innovative cases solved contradictions inherent in the dilemmas. Among various kinds of problem solving theories, TRIZ provides the concept of physical contradiction as a common problem solving principle in inventions and patents. In TRIZ, 4 separation principles solve the physical contradictions of given problems. The 4 separation principles are separation in time, separation in space, separation within a whole and its parts, and separation upon conditions. Despite this attention, an accurate definitions of the separation principles of TRIZ is missing from the literature. Thus, there have been several different interpretations about the separation principles of TRIZ. The different interpretations make problems more ambiguous to solve when the problem solvers apply the 4 separation principles. This research aims to fill the gap in several ways. First, this paper classify the types of contradiction relations and the contradiction solving dimensions based on the Butterfly model for contradiction solving. Second, this paper compares and analyzes each contradiction relation type with the Butterfly diagram. The contributions of this paper lies in reducing the problem space by recognizing the structures and the types of contradiction problems exactly.

일본 메이지기(明治期) 삼육(三育) 개념의 도입과 전개 (A Study on the Adoption and Development of Three Concepts of General Educational Principles (Intellectual, Moral and Physical Education) in Meiji Japan)

  • 한용진;최정희
    • 비교교육연구
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    • 제24권1호
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    • pp.249-271
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    • 2014
  • 본 논문은 메이지기(明治期) 일본에 서구교육학이 소개되는 과정에서 삼육(三育)의 개념이 어떻게 도입되고 전개되고 있는가를 밝히는 것을 목적으로 한다. 즉 서구의 교육학 서적의 번역을 통해 삼육 관련 용어가 어떻게 번역되고 그 개념이 어떻게 정리되는가를 확인하는 작업이다. 이 글에서 얻어진 결론은 다음과 같다. 첫째로 일본 메이지기 삼육 개념의 도입은 일본사회의 내부적 변화에 따른 선택적 번역과 수용의 과정에 따라 1880년대에는 '삼교(三敎)'의 형태에서 '삼육(三育)'의 체계로서 정착된다. 둘째, 일본 메이지기 삼육의 개념은 일본 교육사조의 흐름에 따라 '삼육'의 형태는 유지하되 교육의 목적에 따라 중점을 두는 구성요소와 개념이 변용되어 전개된다.

RENE LAENNEC'S SYNDROME-BASED CLINICAL REASONING

  • Berezutskyi Volodymyr
    • 셀메드
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    • 제14권2호
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    • pp.4.1-4.4
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    • 2024
  • The development of clinical reasoning, which is the basis of medical education, is of great importance in medical universities. One of the founders of modern structural clinical reasoning, based on the knowledge of pathological physiology, is the inventor of the stethoscope Rene Laennec (1781-1826). He described the pioneering experience of clinical reasoning in the pages of his treatise A Treatise on the Diseases of the Chest and on Mediate Auscultation, which is of lasting value, since every rookie physicians in his professional development goes through the path of Laennec. Laennec's practice is of great importance for novice physicians since Laennec's treatise contains a diagnostic analysis of the most common clinical cases. Each such analysis demonstrates the algorithm of clinical reasoning. The purpose of this study was to analyze the approaches of clinical reasoning by René Laennec, which made it possible to identify two basic principles. Laennec's diagnostic reasoning involved two principles: pathogenetic analysis of clinical manifestations and a syndrome-based approach to differential diagnosis. These principles help distinguish between diseases with similar symptoms and physical findings are used to demonstrate the practical application of syndrome-based differential diagnosis. These principles can be easily mastered by understanding the pathogenesis of clinical manifestations. Thanks to the pathogenetic basis, the principles of clinical reasoning of Rene Laennec are universal and applicable to the analysis of any signs of the disease: not only physical but also laboratory and instrumental.

임상실기의 재인식과 실기모델 제안 (Recognition of Clinical Practice and Suggestion of Practical Framework)

  • 김태윤;김상수
    • 대한물리치료과학회지
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    • 제17권3_4호
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    • pp.11-21
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    • 2010
  • Purpose: To Provide 3 main principles that needs to be changed for clinical practice and suggest the frame of clinical practice in accordance with the change of generation. Methods: We reviewed literatures related with Clinical Practice. Results: The purpose of physical therapy is to maintain the client's motor and functional ability and enhance the quality of lifestyle. To carry out the principles of clinical practice effectively all the physical therapist must be able to comprehend as follows. First, physical therapy can be different generation by generation. Second, technical terminology must be used when communicate. Third, There are certain ways of process in physical therapy. Conclusion: Physical therapist that is heath care professional occupation in health related, is in need of constant endeavor. Also physical therapist must train oneself self-directed learning.

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Equivalence Principles Based Skin Deformation of Character Animation

  • You, L.H.;Chaudhry, E.;You, X.Y.;Zhang, Jian J.
    • International Journal of CAD/CAM
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    • 제9권1호
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    • pp.61-69
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    • 2010
  • Based on the equivalence principles of physical properties, geometric properties and externally applied forces between a surface and the corresponding curves, we present a fast physics and example based skin deformation method for character animation in this paper. The main idea is to represent the skin surface and its deformations with a group of curves whose computation incurs much less computing overheads than the direct surface-based approach. The geometric and physical properties together with externally applied forces of the curves are determined from those of the surface defined by these curves according to the equivalence principles between the surface and the curves. This ensures the curve-based approach is equivalent to the original problem. A fourth order ordinary differential equation is introduced to describe the deformations of the curves between two example skin shapes which relates geometric and physical properties and externally applied forces to shape changes of the curves. The skin deformation is determined from these deformed curves. Several examples are given in this paper to demonstrate the application of the method.

스포츠 물리치료에서의 스트레칭의 개념 및 발달과정 (A Review of Conception and Developmental Process of Stretching in Sports Physical Therapy)

  • 장정훈;정동혁;박래준
    • The Journal of Korean Physical Therapy
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    • 제14권4호
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    • pp.423-440
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    • 2002
  • The purpose of this study is to investigate the conception and developmental process of stretching in sports physical therapy. This study is to find conception of stretching, feature and effect, principles and fundamental rule, consideration of enforcement and developmental process in order to use the basic material which is very helpful in the every field and the scene of sports needing stretching. Flexibility is the ability to move muscles and joints through their full ranges of motion. Flexibility is developed by stretching. About player who insufficiency of flexibility, patient and disabled person who restrict of range of motion, older adult who reduce of flexibility, promote of flexibility for upgrading stability and efficiency of body on the based of scientific principles is completed by stretching. The method of stretching has been developed with passive stretching, CR, PNF stretching, PIC stretching, MET stretching in the order. The effects that we can get through stretching are as follows : 1. Enhance physical fitness. 2. Optimize learning, practice and performance of many types of skilled movement. 3. Increase mental and physical relaxation. 4. Promote development of body awareness. 5. Reduce risk of joint sprain or muscle strain. 6. Reduce risk of back problem. 7 Reduce muscular soreness. 8. Reduce the severity of painful menstruation for female athletes. 9. Reduce muscular tension. 10. Advance recognition of body.

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동물에서 자기 공명 영상 진단의 물리적 원리 (Physical Principles of Magnetic Resonance Imaging in Animal)

  • 김종규
    • 한국임상수의학회지
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    • 제16권1호
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    • pp.75-79
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    • 1999
  • Magnetic resonance imaging (MRI) is an imaging technique used to produce high quality images of the inside of the animal body. MRI is based on the principles of nuclear magnetic resonance (NMR) and started out as a tomographic imaging technique, that is it produced an image of the NMR signal in a thin slice through the animal body. The animal body is primarily fat and water, Fat and water have many hydrogen atoms. Hydrogen nuclei have an NMR signal. For these reasons magnetic resonance imaging primarily images the NMR signal from the hydrogen nuclei. Hydrogen protons, within the body align with the magnetic field. By applying short radio frequency (RF) pulses to a specific anatomical slice, the protons in the slice absorb energy at this resonant frequency causing them to spin perpendicular to the magnetic field. As the protons relax back into alignment with the magnetic field, a signal is received by an RF coil that acts as an antennae. This signal is processed by a computer to produce diagnostic images of the anatomical area of interest.

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ON TECHNICAL POSSIBILITY AND PRACTICAL EXPERIENCE OF ULTRASONIC SCALE PREVENTING DEVICES USE ON BOILERS AND HEAT-EXCHANGERS IN RUSSIA

  • Semenov, A.G.
    • 한국음향학회:학술대회논문집
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    • 한국음향학회 1994년도 FIFTH WESTERN PACIFIC REGIONAL ACOUSTICS CONFERENCE SEOUL KOREA
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    • pp.728-733
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    • 1994
  • Scientific foundation for ultrasonic scale preventing devices construction was given in 40S-50S of this century but their production in former USSR was organized later in 70th. Several different principles of scale preventing is overviewed together with physical principles of ultrasonic method. Practical experience received in USSR in 80S is discussed. Technical decisions and inventions used for construction of the first device UZU-1 produced in Cheboksary plant are enumerated and principles of UZU-2 device are briefly sketched.

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