• Title/Summary/Keyword: subject position

Search Result 781, Processing Time 0.025 seconds

A Study on the Optimal Position of Vehicle Side Mirrors according to the Perception of Visual Information (시각정보의 인식도에 의한 자동차 Side Mirror의 최적 위치결정에 관한 연구)

  • 김도회;이근희
    • Journal of Korean Society of Industrial and Systems Engineering
    • /
    • v.14 no.24
    • /
    • pp.123-132
    • /
    • 1991
  • This study deals with the experiment of perceiving visual information according to the positions of vehicle side mirrors. In the design of vehicle, the consideration of safety is very important. Therefore we consider the positions of side mirrors to use visual information effectively which is important factor to driver. This paper presents the position of side mirror to elevate the degree of visual perception for the circumstances of danger by experiments. To exhibit the circumstances of danger. 4 LED(Light Emitted Diode) art located at each side(right. left front. hack) of vehicle. A subject pushes the LED switch to see that if he perceives the circumstance of danger. To record the circumstance of randomly generated danger, computer interface card is used to control 4 LED and swithch on IBM PC/AT Experiments are divided into 2 parts. The 1st experiment present the independence of right & left side mirror. The 2nd experiment present optimal position of right & left side mirror. The vehicle used in experiment is model EL of H Co.. Statistical process of experimental data using SPSS(Statistical Package for Social Sciences)/PC package concludes that 1) the optimal position of right side mirror is 54cm forward of exist position. 2) for the left side mirror, the position of 120cm forward of exist position shows the worst degree of perception. and the optimal position does not exist in statistical meaning.

  • PDF

Relative Quantifier Scope and Object Shift

  • Lee, Chang-Su
    • Korean Journal of English Language and Linguistics
    • /
    • v.2 no.1
    • /
    • pp.97-121
    • /
    • 2002
  • Aoun and Li (1989) and Hornstein (1995) suggest that the cross-linguistic contrast in quantifier scope between English and East Asian languages is attributed to the parametric difference in the base subject position, viz. VP-internal position in English and Spec IP in East Asian languages. This paper argues that their suggestion is untenable, and that the cross linguistic contrast in question is due to the parametric difference that English permits and East Asian languages do not permit (overt) object shift.

  • PDF

A Position Control of Nonlinear Hydraulic System using Variable Design-Parameter Fuzzy PID Controller (가변 설계 파라미터 퍼지 PID 제어기를 이용한 비선형 유압시스템의 위치 제어)

  • 김인환;김종화;김진규
    • Journal of Advanced Marine Engineering and Technology
    • /
    • v.28 no.1
    • /
    • pp.136-144
    • /
    • 2004
  • In general a hydraulic system which uses a single rod hydraulic as an actuator is modeled as a nonlinear system and reveals uncertain Parameter characteristics such as the density variation of hydraulic oil and is subject to load variations and severe disturbances during operation. A variable design-parameter fuzzy PID controller is adopted to solve these undesirable internal and external problems and its effectiveness is verified through computer simulations for control performance and real time control possibility.

Study on the Differences in the Results of Body Shape Test According to the Position of the Two Feet and the Usefulness of the Neck and Body Motion Image Test (두 발의 위치에 따른 체형검사 결과 차이와 체간신전 동작 이미지 검사의 유용성 연구)

  • Chang, Wan Song;Kim, Song Ja;Ryu, Seo Won;Lim, Duk Joon;Jung, Moon Young
    • Journal of Naturopathy
    • /
    • v.9 no.1
    • /
    • pp.22-26
    • /
    • 2020
  • Purposes: The purposes of this study were to investigate the relationship between the standing position of the subject and the normal standing position(NSP) and the straight standing position(SSP) and to investigate the possibility of different body shape test results depending on the status of the image inspection apparatus. Methods: The images of the NSP and SSP were compared with each other by body line BLS system. Results: At the time of examination, the position of the camera was captured at a position 2.3 m vertically from the posterior position 45 cm behind the subject. This is a privacy protection method for covering the breast of the subject. Results: The physiological characteristics of the anatomical position of the body align image test are the living body. NSP and SSP tests showed different shapes of the pelvis AS(antero-supero) and pelvis rotation in the transverse plane. Shoulder and arm displacement was observed in the trunk extension image capture. Conclusions: In the body alignment test, the pelvis position test images of NSP and SSP are evaluated differently for pelvis rotation, AS, and PS. At the extension position of the trunk, a test of the maximal extension range showed that the left and right shortening of the shoulder anterior muscles could be observed. Inducing and testing the trunk extension is also useful.

Effects of the Trunk Maintenance Repositioning Method on Keeping a 30° Side-Lying Position, Comfort, and Skin Condition (체간 유지 체위변경 방법이 30도 측위 유지, 편안함 및 피부 상태에 미치는 효과)

  • Lee, Chae Won;Yi, Young Hee
    • Journal of Korean Critical Care Nursing
    • /
    • v.11 no.1
    • /
    • pp.79-88
    • /
    • 2018
  • Purpose : This study was performed to evaluate the effects of a prolonged a $30^{\circ}$ side-lying position on comfort and skin condition by applying the trunk maintenance repositioning method, which can keep the $30^{\circ}$ side-lying position effective for preventing pressure ulcers. Method : Fifty-four healthy nurses working at a general hospital in Seoul were randomly assigned to an experimental group (n=27) or a control group (n=27) and assumed a position of lying on their right or left side for two hours. The trunk maintenance repositioning method was applied to the experimental group using the pillow made by the researcher, while the original repositioning method was applied to the control group using the regular pillow from the subject hospital. Participants' posture angles, comfort, and skin condition were measured at the time of the intervention, as well as at one and two hours after the intervention. Results : There was no statistically significant difference in position angle, comfort, skin condition change, or sacrum and greater trochanter pressure change between the two groups over time. Conclusion : It is necessary to review the method and frequency of change of position in each hospital. In addition, a proper position changing pillow should be developed in consideration of patients' various body shapes.

Ground-Platform Sensor Position Optimization Based Hybrid Time Difference of Arrival Method for Airborne Emitter (Hybrid TDOA 알고리즘 기반의 Airborne Emitter 위치탐지를 위한 Ground-Platform 센서의 위치 최적화)

  • Park, Jin-Oh;Lee, Woo-Seok;You, Byung-Sek;Kook, Chan-Ho;Chung, Jae-Woo
    • Journal of the Korea Institute of Military Science and Technology
    • /
    • v.13 no.5
    • /
    • pp.886-893
    • /
    • 2010
  • This paper considers the problem of time difference-of-arrival(TDOA) source localization when the TDOA and angle of arrival(AOA) measurements from an airborne emitter source are subject to ground-platform sensor position. The optimization of sensors' position is a challenging problem and a solution with good localization accuracy has yet to be found. This paper proposes an estimator that can achieve these purposes and provides optimized sensor position for good localization accuracy using the proposed estimator. The developed algorithm and sensor position are then examined under the special case of a single airborne source. The theoretical developments are supported by simulations.

The Kinematic Analysis of the Last Approach Stride and Take-off Phase of BKH Athlete in the High Jump (남자 높이뛰기 BKH 선수를 중심으로 한 도움닫기 마지막 1보와 발구름 국면의 운동학적 분석)

  • Yoon, Hee-Joong;Kim, Tae-Sam;Lee, Jin-Taek
    • Korean Journal of Applied Biomechanics
    • /
    • v.15 no.3
    • /
    • pp.105-115
    • /
    • 2005
  • This study was investigated the kinematic factors of the last approach strides and. take off motion for the skill improving of BKH elite male athlete. 'The subjects chosen for the study were BKH and. KASZCZYK Emillian male athletes who were participated in 2003 Dae-Gu Universiad Games. Three high speed video cameras set in 60frames/s setting were used. for recording from the last approach strides to the apex position. After digitizing motion, the Direct Linear Transformation(DLT) technique was employed to obtain 3-D position coordinates, The kinematic factors of the distance, velocity and angle variable were calculated for Kwon3D 3.1. The following conclusions were drawn; 1. It showed longer stride length, as well as faster horizontal and lateral velocity than the success trial during the approach phase. For consistent of the approach rhythm, it appeared that the subject should a short length for obtain the breaking force by the lower COG during the approach phase. 2. The body lean angle showed a small angle by a high COG during the take-off phase. For obtain the vertical displacement of the COG and a enough space form the bar after take-off, it appeared that the subject should increase the body lean angle. 3. For obtain the vertical force during the takeoff phase, it appeared that the subject should keep straight as possible the knee joint. Therefor, the subject can be obtain a enough breaking force at the approach landing.

A Contractual Study on the Clinical Trial of Medicine (의약품 임상시험의 계약적 일고찰)

  • Song, Young-Min
    • The Korean Society of Law and Medicine
    • /
    • v.12 no.1
    • /
    • pp.257-285
    • /
    • 2011
  • This thesis has studied about the legal characteristic of injection of the trial drug, the position of the pharmaceutical firm as a contractor of the clinical trial, the possibility of compulsory performance of consistent injection of the trial drug, and the damage claim caused in the process of the clinical trial from the viewpoint of protecting the trial subject in the clinical trial. According to court's judgement in the United States, the lawsuit of the trial subject, although the trial subject had expected consistent injections, was dismissed because there was no direct contract between pharmaceutical and trial subject. However, Helsinki Declaration prescribe the medical research as follows. 'All patients who participated in the research should be able to use the best precaution, diagnosis, and treatment proved by the final outcome of the research'. The trial subject is entitled to demand only the pharmaceutical firm which developed and provided the trial drug, and the pharmaceutical firm has the obligation to supply the trial drug to the trial subject. Therefore, it would be not enough to protect the trial subject if the pharmaceutical firm which makes the trial drug is ruled out. In addition, especially, in case the trial drug has a constant effect with the aim of treatment, if the injection of the trial drug is suddenly stopped, the trial subject would not have the benefit of treatment by the trial drug. In this case, the best remedy against the damage is to urge a constant injection of the trial drug. Thus, in certain case, it is reasonable to consider that the pharmaceutical firm has the obligation to supply the trial drug to the trial subject constantly, and it is also necessary to compel it through effective means in case the pharmaceutical firm do not fulfill its obligation to supply the trial drug. However, as an essential prerequisite for the assertion mentioned above, it should be judged under the principle of good faith considering the concrete situation, that is, what roles the pharmaceutical firm has played.

  • PDF

Effects of Joint Position on the Distraction Distance in Patients with Adhesive Capsulitis of Glenohumeral Joint

  • Park, Sam Sik;Kim, Ki Do;Hwang, Yong Pil;Moon, Ok Kon;Kim, Bo Kyung;Choi, Wan Suk
    • Journal of International Academy of Physical Therapy Research
    • /
    • v.6 no.1
    • /
    • pp.824-827
    • /
    • 2015
  • The purpose of this study was to investigate the effects of joint position on the distraction distance in patients with adhesive capsulitis of glenohumeral joint. The study was conducted upon 20 adults in their 40's with the findings of adhesive capsulitis of glenohumeral joint. These subjects were subdivided into 3 groups, which were a group with neutral position(n=7), second group with resting position(n=7) and third group with end-range position(n=6). After having the subject wearing sleeveless shirts exposing armpit and lying straight on the plinth, a physical therapist with OMT qualification pulled glenohumeral joint at the Grade III of Kaltenborn-Evjenth traction; and the distance between glenoid fossa and humeral head was measured with ultrasound. Following the application of traction, the group with resting position($.67{\pm}0.29$) exhibited the longest distance between humeral head and glenoid fossa, and it was followed by neutral position($.50{\pm}0.25$) and end-range position($.35{\pm}.21$) in this order. From the comparison of these groups, there was no significant difference in distraction distance between resting position and neutral position; and there was again no significant difference in distraction distance between end-range position and neutral position. However, there was a significant difference in distraction distance between end-range position and resting position(p<.05). Upon application of the Grade III of Kaltenborn-Evjenth traction, it was evident that the distance between humeral head and glenoid fossa can be varied depending on the location of the joint.

The Effects of Target Position on the Bowling Motion (목표위치가 볼링투구동작에 미치는 영향)

  • Kim, Min-Soo;Back, Jin-Ho;Kwak, Chang-Soo;Lee, Ki-Chung;Park, Jong-Chul
    • Korean Journal of Applied Biomechanics
    • /
    • v.19 no.1
    • /
    • pp.67-75
    • /
    • 2009
  • The purpose of this study is to analyze the effects of target position on the bowling motion. Four female high school athletes with more than four years of bowling experiences were recruited to this study. The major results of this study are as follows; When a subject treats the 1st pin, The spin angle of a coxa for the target position is largely kept from the downswing to the backswing peak point. When a subject treats the 7th pin, As the 7th pin exists at the left side for the right shoulder axis of the thrower, the movement of the ball center of the thrower from side to side is the lowest. In addition, the time required and horizontal speed appear the highest in the release section. The slant angle of a shoulder is largely increased as she moves from the backswing peak point to the release section. The twist angle of a shoulder also appears small as a throw motion is made toward the left side. When a subject treats the 10th pin, The spin angle of a shoulder and the twist angle of a body in motion appear the largest in the release section. So, there are the effects of target position on the bowling motion.