• Title/Summary/Keyword: Traffic system improvement

Search Result 464, Processing Time 0.026 seconds

A Study On Development of Fast Image Detector System (고속 영상 검지기 시스템 개발에 관한 연구)

  • Kim Byung Chul;Ha Dong Mun;Kim Yong Deak
    • Journal of the Institute of Electronics Engineers of Korea SC
    • /
    • v.41 no.1
    • /
    • pp.25-32
    • /
    • 2004
  • Nowadays image processing is very useful for some field of traffic applications. The one reason is we can construct the system in a low price, the other is the improvement of hardware processing power, it can be more fast to processing the data. In traffic field, the development of image using system is interesting issue. Because it has the advantage of price of installation and it does not obstruct traffic during the installation. In this study, 1 propose the traffic monitoring system that implement on the embedded system environment. The whole system consists of two main part, one is host controller board, the other is image processing board. The part of host controller board take charge of control the total system interface of external environment, and OSD(On screen display). The part of image processing board takes charge of image input and output using video encoder and decoder, Image classification and memory control of using FPGA, control of mouse signal. And finally, for stable operation of host controller board, uC/OS-II operating system is ported on the board.

A consideration of signalling system switchover at installation of new train control system (새로운 열차제어시스템 도입시에 신호시스템 절체 방안에 관한 고찰)

  • Cho, Bong-Kwan
    • Proceedings of the KIEE Conference
    • /
    • 2003.10b
    • /
    • pp.283-285
    • /
    • 2003
  • Metro is taking an important part as a public transportation of densely populated area. but according to request of increasing transportation demand and improving service for passengers, minimizing headway, functional improvement of safety facility, improving riding comfort are needed. Also, it is the time for Seoul metro's signalling system to be improved into a new one as it has been opened to traffic for over 20 years and its signalling system is becoming superannuated. this paper reviewed the considerations at improving a signalling system and its solution.

  • PDF

Study on Fatality Risk of Senior Driver with Aging Classification (초기·중기·후기 고령운전자의 사망자 발생위험도 분석과 시사점)

  • Choi, Jaesung
    • Journal of the Korean Society of Safety
    • /
    • v.33 no.1
    • /
    • pp.148-161
    • /
    • 2018
  • A traffic fatality by young people marked average annual decrease of 4.5% since 2011. Meanwhile, a traffic fatality by senior over 65 years old marked average annual increase of 7.9% for the last five years which means that the annual increase of traffic fatality by senior will be a serious problem. This study started questioning that senior drivers over 65 years old did not retain the same causal factor of fatal traffic accidents and thus extensively analyzed a risk of it by age group quantitatively, dividing the senior driver group into the early, middle and latter stages. Depending on the aging level, the risk of traffic fatality showed a wide difference in seven different types of traffic accidents generally, and happened to increase with latter and middle parts of the senior driver more than the early part. Therefore, this study proposes four policy suggestions: 1) The senior driver need to be offered customized driving educations and the improvement of road environment is also recommended. 2) Political assistance is needed to support and guide a safety related technology installation for the new or existing car. 3) Renewal of driving license and an aptitude test(physical examination, cognitive test) for drivers over 75 years old should take in a less than 3 years and an additional road test is needed as occasion demands. 4) Like the United States and Europe, development and extension of customized treatment guidebook for medical teams who examine senior drivers is needed and establishment of education and administration system that a supervisor of driving license renewal can impose safety restriction and American anonymity reporting system is considered to institutionalize in the medium to longer term.

Single-Center Retrospective Study on the Status of Korean Medicine Automobile Insurance Treatment and Usage of Main Pharmacopuncture (단일 한의원 교통사고 환자 258례에 대한 한방치료 효과 후향적 연구)

  • Hwang, Ji Hye;Jung, Chul
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.33 no.3
    • /
    • pp.181-190
    • /
    • 2019
  • In South Korea, traffic accident patients can be treated under automobile insurance coverage. This study investigated the status of Korean medicine (KM) Automobile insurance system and usage status of main pharmacopuncture in KM clinic which reported that the largest number of automobile insurance fee claims among medical institutions. We surveyed 258 traffic accident patients who were treated at Namsangcheon KM clinic from 2014 to 2018 according to medical chart. The majority of the patients were male and thirties. In traffic accident situation, the highest distribution was car to car crash with 85.66% and 66.67% of the patients visited in the most acute phase. The most frequent treatment period was within 4 weeks and the number of treatments was 10 or less with 72.87%. In total results of treatment, the distribution was exellent with 10.08%, good with 46.90%, fair with 27.13% and poor with 15.89%, and the effective rate was 84.11%. The most frequent treatment period was within 4 weeks with 64.73% and the number of treatments was 10 or less with 72.87%. Of the 242 patients who received pharmacopunture, 91.5% were treated with HO, which was named after Honghwaja and TA, which was named after traffic accidents, and there were significant differences in the number of treatments and symptom improvement between the two groups. In this study, we confirmed the status of automobile insurance treatment and usage of main pharmacopuncture of single KM clinic with symptom improvement. This study can be regarded as one of the basis of KM treatment for the rapidly growing automobile insurance market.

A Study on the Improvement of Air Traffic Safety Information Management (관제 안전정보 관리체계 개선을 위한 연구)

  • Shin, Oksig;Kim, Ilyoung
    • Journal of Aerospace System Engineering
    • /
    • v.2 no.3
    • /
    • pp.7-11
    • /
    • 2008
  • This is a study to research the effective way to enhance the performance of safety management by gathering and analyzing the information of undesirable occurrences that may result in accident or serious incident. This includes the way to identify the potential hazards related with the proactive activities. As detailed improvements, this paper introduces the mandatory and voluntary reporting system, normal operation safety survey, ATC quality assurance and the encouragement of just culture.

  • PDF

The Study on the Plan to Introduce Traffic Inducement Security System in Korea (우리나라 교통유도경비 도입방안의 연구)

  • Kim, Tae-Hwan
    • Korean Security Journal
    • /
    • no.23
    • /
    • pp.21-39
    • /
    • 2010
  • The dangerous impact on the traffic flows of cars is caused by no only the construction on the street but diverse construction sites. This in turn substantially influence on the citizens and pedestrians, thereby bring about the possibility of giant incidents. As the countermeasure for the problem in advanced countries, particularly in Japan "traffic inducement security system" has been implemented. It is analyzed that the death toll from traffic accidents has considerably declined. In the case of South Korea the system has not been administered but restrictively executed at some construction sites; however proceeding it with the lack of professionalism. The introduction of traffic inducement security system would be the opportunity for South Korea to make a progress in the safety culture such as traffic security and traffic jam. This study thus aims at analyzing the advanced countries' cases, conducting comparative analysis with Korea's scheme, and establishing the plan to adopt the traffic inducement security system. Through the output of this study followings were proposed as plans of introducing the traffic inducement security system. First of all, legal assessments regarding traffic inducement operation, for example adding the operation of the system into the category of security service, need to be preceded prior to its introduction secondly, the traffic inducement security is the institution which can contribute to the improvement of traffic safety, and also internalizing social cost. therefore, it needs to be equipped with the new qualification such as the instruction with the standardized traffic safety map, instruction system, curriculum and the publication of teaching materials. thirdly, the education for the guard should be proceeded with dividing academic and technical ones with specific curriculum. At the fourth, the securement of the venue for the driving training, the determination on technical instruction contents and the training professional instructor needs for the method of administration. In addition, the efforts on the overal standardization of traffic inducement security is necessary, and it also requires constant collaboration among private security industry, academia, professionals, relavant research institutes, etc. At the last but the least, henceforth it is prerequisite that the networking system with a diverse array of associated entities due to its social ripple effect and job creation effect.

  • PDF

A Study on the Improvement of Security Vulnerabilities in Intelligent Transport Systems (지능형교통시스템의 보안취약점 개선방안에 관한 연구)

  • Jo, Pyoung Hyun;Lim, Jong In;Kim, Huy Kang
    • Journal of the Korea Institute of Information Security & Cryptology
    • /
    • v.23 no.3
    • /
    • pp.531-543
    • /
    • 2013
  • The destruction and prejudice of major infrastructure such as energy, broadcast, communication and transportation could result in a threat to individual rights and liberties, as well as social and economic losses. If a traffic signal control facilities have been violated, the lives of the citizens discomfort as well as causing social disruption such as traffic accident. Because the control system is operating as a closed network and you think it is safe, the information protection system has not been built or security patches and anti-virus updates do not work properly. So, cyber attacks by security vulnerabilities are exposed. Therefore, there is a need to identify the characteristics of the system, and develop appropriate countermeasures in order to prevent cyber attacks and prejudices incidents. This paper examines the vulnerabilities of Intelligent Transport Systems and proposes the improvement of security vulnerabilities.

Study on the improvements for Managerial Efficiency of the Designated Lane Law (지정차로제의 합리적 운영방안에 대한 연구)

  • Lee, Seung-Jun;Lee, Choul-Ki;Lee, Yong-Ju;Kim, Yong-Man
    • The Journal of The Korea Institute of Intelligent Transport Systems
    • /
    • v.15 no.2
    • /
    • pp.85-94
    • /
    • 2016
  • Lane Designation is defined as reasonable road management to ensure the road safety and enhance road efficiency. While the lane designation system was abolished in 1999, it was redefined because of the increasing number of large vehicles in the passing lane, violent on driving and traffic accidents in 2000. The needs of improvement on operating the lane designation has been increasing more in recent due to the low ratio of compliance with the system and difficulties to keep the right lane due to need of turning and demand of widening of designates lane for two-wheeled vehicles and truck. In this study, we presented the improvement plan through the question survey, simulation analysis, safety evaluation. It found a problem that the low-speed vehicle is to use the upper level roadway, difficulties of supervision, the imbalance in the lane use, imbalance traffic and does not match the international standards. This study suggested five different alternatives through the survey. micro simulation has used in order to examine each alternative by management effectiveness and feasibility. It analyzed the traffic speed, efficiency, traffic balance of alternatives. Also, safety evaluation conducted in terms of the range of field-of-view to ensure the easiness of field of view by various configurational difference between the vehicles. By the analysis results of such indicators, This study presents proposals for improvement in operating designated lane that low-speed-big-sized vehicles keep to the right lane, and high-speed-small sized vehicles keep to the left lane.

Analysis of Safety and Mobility of Expressway Land Control System (길어깨차로제 시행에 따른 안전성 및 이동성 분석)

  • Park, Sung-ho;Lee, Yoseph;Kang, Sungkwan;Cho, Hyonbae;Yun, Ilsoo
    • The Journal of The Korea Institute of Intelligent Transport Systems
    • /
    • v.20 no.3
    • /
    • pp.1-19
    • /
    • 2021
  • The domastic hard shoulder running(HSR) System has been gradually expanding since its initial implementation in September 2007 with the aim of increasing capacity and resolving congestion. Hard Shoulder is used as a space for driver's visual comfort and a place for vehicles to evacuate in case of emergency, but it is replaced by a space for driving when the HSR System is implemented. Therefore, it was intended to determine the improvement effect before and after implementation of the HSR system through safety analysis and mobility analysis. The safety analysis analyzed the impact of traffic accidents by comparing HSR sections and similar sections. The mobility analysis was to determine the improvement effect by quantifying the speed and traffic volume changes before and after HSR System implementation. According to safety yanalysis, there is no effect of reducing traffic accidents when implementing the HSR System. In mobility analysis, the implementation of the HSR System significantly improved the speed of traffic during peak hours and significantly reduces slow and delay hours.