• Title/Summary/Keyword: Manual Coding

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Development of an Induction Motor Vector Control System Using Simulink/RTW (Simulink/RTW를 이용한 유도전동기 벡터제어시스템 개발)

  • 강문호
    • 제어로봇시스템학회:학술대회논문집
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    • 2000.10a
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    • pp.119-119
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    • 2000
  • In this research an induction motor vector control system was developed using Simulink and RTW(Real Time Workshop). On the Simulink window, control system is designed in the form of block diagrams, program codes are produced automatically with the RTW, then c compiler compiles the program codes. With this automatic real time program producing mechanism rapid prototyping is realized without the time-consuming manual program coding procedures. To show effectiveness of the proposed designing scheme a DSP-based induction motor vector control system was constructed and implemented

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Neural-network-based Driver Drowsiness Detection System Using Linear Predictive Coding Coefficients and Electroencephalographic Changes (선형예측계수와 뇌파의 변화를 이용한 신경회로망 기반 운전자의 졸음 감지 시스템)

  • Chong, Ui-Pil;Han, Hyung-Seob
    • Journal of the Institute of Convergence Signal Processing
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    • v.13 no.3
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    • pp.136-141
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    • 2012
  • One of the main reasons for serious road accidents is driving while drowsy. For this reason, drowsiness detection and warning system for drivers has recently become a very important issue. Monitoring physiological signals provides the possibility of detecting features of drowsiness and fatigue of drivers. One of the effective signals is to measure electroencephalogram (EEG) signals and electrooculogram (EOG) signals. The aim of this study is to extract drowsiness-related features from a set of EEG signals and to classify the features into three states: alertness, drowsiness, sleepiness. This paper proposes a neural-network-based drowsiness detection system using Linear Predictive Coding (LPC) coefficients as feature vectors and Multi-Layer Perceptron (MLP) as a classifier. Samples of EEG data from each predefined state were used to train the MLP program by using the proposed feature extraction algorithms. The trained MLP program was tested on unclassified EEG data and subsequently reviewed according to manual classification. The classification rate of the proposed system is over 96.5% for only very small number of samples (250ms, 64 samples). Therefore, it can be applied to real driving incident situation that can occur for a split second.

Electroencephalogram-based Driver Drowsiness Detection System Using AR Coefficients and SVM (AR계수와 SVM을 이용한 뇌파 기반 운전자의 졸음 감지 시스템)

  • Han, Hyungseob;Chong, Uipil
    • Journal of the Korean Institute of Intelligent Systems
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    • v.22 no.6
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    • pp.768-773
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    • 2012
  • One of the main reasons for serious road accidents is driving while drowsy. For this reason, drowsiness detection and warning system for drivers has recently become a very important issue. Monitoring physiological signals provides the possibility of detecting features of drowsiness and fatigue of drivers. One of the effective signals is to measure electroencephalogram (EEG) signals and electrooculogram (EOG) signals. The aim of this study is to extract drowsiness-related features from a set of EEG signals and to classify the features into three states: alertness, drowsiness, sleepiness. This paper proposes a drowsiness detection system using Linear Predictive Coding (LPC) coefficients and Support Vector Machine (SVM). Samples of EEG data from each predefined state were used to train the SVM program by using the proposed feature extraction algorithms. The trained SVM program was tested on unclassified EEG data and subsequently reviewed according to manual classification. The classification rate of the proposed system is over 96.5% for only very small number of samples (250ms, 64 samples). Therefore, it can be applied to real driving incident situation that can occur for a split second.

Maternal Parenting Behaviors and Preschoolers' Peer Competence : Mediating Effects of Preschoolers' Internal Representations (어머니의 양육행동과 유아의 또래 유능성 : 유아 내적 표상의 매개 효과 검증)

  • Chung, Jee-Nha;Lee, Young
    • Korean Journal of Child Studies
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    • v.27 no.4
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    • pp.65-80
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    • 2006
  • Data were collected from 110 preschoolers, 59 boys, 51 girls (ages 4-5) and their mothers. Peer competence was assessed by the Child Behavior Scale (Birsh & Ladd, 1998) and the Peer Rating Scale (Asher et al., 1979). Children's internal representations were measured by the MacArthur Story-Stem Battery (2004) and coded by the MacArthur Narrative Coding Manual (2004). Maternal parenting behaviors were observed during mother-child interaction at home and analyzed with the Teaching Strategies Rating Scale (Erickson, Sroufe, & Egeland, 1985). Data were analyzed by structural equation modeling analysis. Results confirmed the pathway from maternal parenting behaviors via children's internal representations to peer competence showing a significantly good model fit.

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Children's Negotiation Levels with their Age and Gender (아동의 연령과 성별에 따른 협상수준)

  • Koo, Hyunah;Chung, Daeryun
    • Korean Journal of Child Studies
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    • v.25 no.3
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    • pp.27-39
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    • 2004
  • This study was to find out children's Negotiation Levels(NLs) according to their age and gender. The subjects for this study were 143 children of 7, 9, 12 years. Two children dyads participated in the experimental play situation with Rokenbok Electronic Toy Systems. The NLs in children's interactive dialogue & actions were scored with Stone, Robinson & Taylor(1980)'s 'Negotiation of Task Completion Coding Manual'. They were coded into Level 0(no interaction), Level l(one way interaction), Level 2(reciprocally interaction), Level 3(mutual or cooperative interaction). The results were as follows; 1) 12-year-old children negotiated with higher level than 7-and 9-year old children 2) Boys' NLs average were higher than girls'. These results imply that 1) the fluctuation of NLs in childhood, especially around 10 years, should be interpreted carefully, 2) various measuring kits for negotiation should be developed considering children's characteristics, such as age, gender etc.

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The Standardization of Damage Types of Track Components on High Speed Railway (고속철도 궤도구성품의 손상유형 표준화)

  • Oh, Seoung-Jae;Sung, Deok-Yong;Kim, Jun-Hyung;Park, Yong-Gul
    • Proceedings of the KSR Conference
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    • 2008.11b
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    • pp.1056-1064
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    • 2008
  • It is estimated that the running of locally-developed next generation High Speed Trains with maximum speed of 400km/h will help to deteriorate track components. It was presented rail defect coding system in UIC 712R includes the definitions of damage types of rail, maintenance procedures, and etc to detect and maintain. It is necessary to make a track maintenance manual determining track maintenance periods using the standardization of damage types of track components such as: sleeper, fastener, elastic pad. In this paper, the damage types of high speed track components are investigated by referring domestic and foreign literatures. And then the damage types of rail given in UIC 712R is reclassified more particularly and classified damage types of track components using internal high speed railway. In conclusion, this paper suggests standardization for damage types of track components on internal high speed railway.

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Case study of application on pelvic manipulation which low back pain patient in unilateral weight bearing due to pelvic imbalance (골반 불균형에 의한 편측체중지지 요통환자의 골반도수교정 적용사례)

  • Kim, Han-Il;Kim, Sang-Su;Kim, Gee-Sun;Park, Ji-Whan
    • The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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    • v.15 no.1
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    • pp.72-78
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    • 2009
  • Purpose: to recognized that influence of decrease low back pain, change pelvic structure and balance control on unilateral weight bearing after application on pelvic manipulation which low back pain patient in unilateral weight bearing due to pelvic imbalance. Methods: The patient with low back pain in unilateral weight bearing due to pelvic imbalance was 39year female. one subject received intervention of pelvic manipulation on sidelying position and reaching exercise on sitting position which during 2 weak at the 3 time per a weak, each 30 minutes. outcomes measured were Facia l Action Coding System(FACS), Radiograph(Lumbar-Spine Anteroposterior AP.), Pressure Scan. Results: The results of this study were summarized below : 1. FACS score were Pre: min.4 - max.6 and Post: min.2 - max.4. 2. Radiograph measured Ilium width were Pre: Lt.14cm, Rt.12.7cm and Post: Lt.13.4cm, Rt.13cm which discrepancy of Ilium height were Pre: 1cm and Post: 0.2cm. 3. Pressure scan measured Pre: Lt. 36.8%, Rt.40.2% and Post: Lt.41.3%, Rt.36.2%. Conclusion: Pelvic manipulation applied a patient with low back pain in unilateral weight bearing due to pelvic imbalance suggest that can decrease low back pain, change pelvic structure and balance control on unilateral weight bearing.

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A case study of radial nerve injury associated with humerus shaft fracture (상완골 간부 골절에 동반된 요골신경손상에 대한 치험 1례)

  • Lee, Jae-Eun;Lee, Jung-Min;Oh, Min-Seok
    • Journal of Haehwa Medicine
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    • v.23 no.1
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    • pp.157-166
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    • 2014
  • Objective : The purpose of this study is to report the patient with radial nerve injury associated with humerus shaft fracture, who was improved by Korean medical treatments. Methods : The patient was treated by Jungsongouhyul pharmacopuncture, electrical stimulation therapy, physical therapy, and herbal medicine according to "Locating Yang brightness meridians" theory. Coding result, Numeric rating scale(NRS) and digital grip dynamometer were used to evaluate the wrist drop, numbness of fingers and grip power. Results : The patient showed the first sign of recovery after 6 weeks from onset. After 9 weeks from onset, the patient could perform delicate manual activity. Grip power showed noticeable improvement as well as coding result and NRS. Conclusions : The results suggest that providing Korean medical treatments according to "Locating Yang brightness meridians" theory is a good method for treating radial nerve injury associated with humerus shaft fracture. But further studies are required to concretely prove the effectiveness of this method for treating radial nerve injury associated with humerus fracture.

Uncertain Region Based User-Assisted Segmentation Technique for Object-Based Video Editing System (객체기반 비디오 편집 시스템을 위한 불확실 영역기반 사용자 지원 비디오 객체 분할 기법)

  • Yu Hong-Yeon;Hong Sung-Hoon
    • Journal of Korea Multimedia Society
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    • v.9 no.5
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    • pp.529-541
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    • 2006
  • In this paper, we propose a semi-automatic segmentation method which can be used to generate video object plane (VOP) for object based coding scheme and multimedia authoring environment. Semi-automatic segmentation can be considered as a user-assisted segmentation technique. A user can initially mark objects of interest around the object boundaries and then the selected objects are continuously separated from the un selected areas through time evolution in the image sequences. The proposed segmentation method consists of two processing steps: partially manual intra-frame segmentation and fully automatic inter-frame segmentation. The intra-frame segmentation incorporates user-assistance to define the meaningful complete visual object of interest to be segmentation and decides precise object boundary. The inter-frame segmentation involves boundary and region tracking to obtain temporal coherence of moving object based on the object boundary information of previous frame. The proposed method shows stable and efficient results that could be suitable for many digital video applications such as multimedia contents authoring, content based coding and indexing. Based on this result, we have developed objects based video editing system with several convenient editing functions.

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Meaning of Life in Wives of Alcoholics: Autobiographical Method (알코올 의존자 부인의 자서전 분석: 삶의 의미찾기)

  • Cho, Sun-Hee
    • Journal of Korean Academy of Nursing
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    • v.38 no.5
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    • pp.758-767
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    • 2008
  • Purpose: The purpose of this study was to explore and describe life-stories and meanings of life in wives of alcoholics by analyzing their autobiographies. Methods: Autobiographies were collected from 20 participants who produced their own autobiographies in the logotherapeutic autobiography program at community alcohol counseling centers in Korea. The data were coded to identify themes of agency and communion using the manual coding system developed by McAdams, and analyzed by the existential approach. Results: There were 214 coded episodes in twenty autobiographies. There were 128 agency themes and 86 communion themes. The most common themes were Love/Friendship. Five themes emerged from the autobiographical episodes on the existential perspective: 1) overcoming the suffering, 2) meaningful people and relationships, 3) spiritual maturation, 4) caring and helping, and 5) finding a meaning of life. Conclusion: These results showed that the wives of alcoholics who participated in the logotherapeutic autobiography program found the meaning of life through their suffering. Furthermore, a study on existential nursing interventions for people who have meaninglessness in life needs to be done.