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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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International Journal of Safety
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Journal DOI :
The Korean Society Safety
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Volume & Issues
Volume 7, Issue 2 - Dec 2008
Volume 7, Issue 1 - Jun 2008
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Designing Factory Safety Monitoring Robot Using Microsoft Robotic Studio
Loh, Byoung-Gook ;
International Journal of Safety, volume 7, issue 1, 2008, Pages 1~4
Application of the Microsoft robotics studio (MSRS) to the design of a factory safety monitoring robot is presented. Basic structures of the MSRS and the service are introduced. The service is the key building block of the MSRS. Control of the safety monitoring robot is performed using four basic services: 1) the robot service which communicates with the embedded micro-processor and other services, 2) the sensor service that notifies the subscribing services of the change of the sensor value, 3) the motor service which controls the power levels to the motors, 4) the drive service which maneuvers the robot. With built-in capabilities of the MSRS, control of factory safety monitoring robot can be more easily performed.
Experiment of A Cavity-gap Coupling Model for The Safty and Comfort of A Driving Condition
Kang, Sang-Wook ; Loh, Byoung-Gook ;
International Journal of Safety, volume 7, issue 1, 2008, Pages 5~9
For the purpose of controlling the coupling between the car body panels and passenger compartment, experimental investigation of an acoustic cavity with an air gap is carried out to reveal how the air gap influences the acoustic modal characteristics of the cavity. The acoustic modal characteristics of the cavity is closely related with the booming noise. The experimental results show that a very small air gap can change the acoustic modal characteristics of the cavity and, as a result, the air gap can be an important factor in controlling the booming noise for comfortable and safe passenger compartment.
Evaluation of Irradiated Oxidation of XLPE Based on Thermal and IR Reflection Properties
Ryu, Boo-Hyung ; Lee, Chung ; Kim, Ki-Yup ;
International Journal of Safety, volume 7, issue 1, 2008, Pages 10~14
For evaluating the radiation degradation of cross-linked polyethylene (XLPE) cable insulation due to the irradiated oxidation, XLPE was irradiated with
-ray. For each irradiated samples, TGA, DSC, FT-IR, and tensile tests were carried out. Regarding radiation degradation, oxidative process was predominant. TGA, DSC and FT-IR can be useful tools for evaluating the radiation degradation due to the irradiated oxidation because these analyses need only small amount of samples. The results of TGA, DSC and FTIR analyses showed the similar tendency for irradiated degradation. They can be useful tools for evaluating the oxidation of insulating material by non-destructive testing.
Electrical Fire Hazards Analysis of Electric Iron and Heater Using Fault Tree Analysis
Hong, Sung-Ho ;
International Journal of Safety, volume 7, issue 1, 2008, Pages 15~20
The primary goal of this study is to analyze fire hazards of electric home appliances such as electric iron and electric heater using fault tree analysis(FTA). A fault tree(FT) is constructed and used to analyze fire hazards in electric home appliances. The fault tree is built from events that may occur in electric home appliances. The failure rate of basic events are derived from the value of experimental results and reference. And an algorithm analyzing fire in electric home appliances is suggested. We show how fault tree analysis, carried out by means of failure rate, is able to diagnose fire hazards of electric home appliances in a precise manner. We present numerical results such as fire probability of electric home appliances, importance measure, fire cause, etc. It can be helpful in preventing the fire hazards in electric home appliances.
Characteristics of a Corona between a Wiring Clamp (Dead End Clamp) and a Porcelain Insulator Used in a 154kV Power Receptacle
Han, Woon-Ki ;
International Journal of Safety, volume 7, issue 1, 2008, Pages 21~25
The occurrence of a corona is that electrical discharge due to the heterogeneity that occurs when an electrical field is concentrated in an electrode due to a cusp formed on said electrode. Wire treatment at the end of a 154kV dead end clamp for end users accelerates the occurrence of corona, which in turn leads to power loss and noise. In this study, the characteristics of the corona which occurs between porcelain insulators and support clamps of overhead lines used in l54kV power receiving facilities for end users were investigated. The corona, which cannot be identified by one common method, was measured utilizing a UV image camera. A risk assessment for fire damage and its status was suggested. The stress distribution of the electrical field by length of bare wire was suggested by means of the finite element method (FEMLAB). As a result, it was found to affect a porcelain insulators. These results can be utilized for the enhancement of clamp installation and safety in power facilities.
A Study on Evaluation of Whole-Body Vibration from Vehicle for Different Road Surfaces
Kim, Su-Hee ; Kim, Tae-Gu ;
International Journal of Safety, volume 7, issue 1, 2008, Pages 26~29
The purpose of this study is the measurement of whole-body vibration for different road surfaces. Experimental measurements were taken on asphalt, cement, and off-road surfaces as defined by ISO 2631-1. Each experiment was conducted under the same set of conditions (measurement duration, times, speed, vehicle type). Measurement duration was 10 minutes and 3 separate measurements were taken on each road surface. Vehicle speed was 60km/h. In accordance with ISO 2631-1, an acceleration sensor is set up between the driver's seat and the human body. For evaluation, RMS(root-mean-square) values were taken as suggested by ISO 2631-1. The results suggest "health guidance caution zones", and the evaluation was based on obtaining the vector sum with "health guidance caution zones".
A Study on the Impact Safety Test for Wheelchairs
Han, Jung-Soo ; Choi, Jae-Bong ;
International Journal of Safety, volume 7, issue 1, 2008, Pages 30~34
For the purpose of establishing basic design standards for the manufacture of wheelchairs, a dummy for an ISO-standard wheelchair was modeled for use with a manufactured wheelchair, and the safety and performance of the wheelchair were examined through numerical simulations.
A Study on 3-D Standard Posture of Korean Adults for VDT Task
Choi, Yong-Hyuk ; Park, Jong-Sik ; Kim, Tae-Gu ; Lee, Seong-Beom ;
International Journal of Safety, volume 7, issue 1, 2008, Pages 35~38
The purpose of this study is to extract typical body shape of Korean VDT workers based on the three-dimensional Korean shape data and recommendation supported by Korea Occupational Safety & Health Agency during VDT task. Desirable desk heights and chair heights for the selection of the VDT working posture is proposed by analyzing moment, compression and joint shear for lumbar and spine of Korean adult(male and female). The desirable heights for desk and chair can be selected by the least load method during VDT tasks. In the current work the figures of Korean 50th percentile offered by CATIA-HUMAN are used as the average body type of the grown-ups and this research is accomplished with the recommended size of all working attitude such as the height of a monitor except for the height of desk and chair and the degree of watching the monitor.
Assessment of Indoor Air Quality(IAQ), Comfort and Safety in Metro Subway Station
Choi, Gi-Heung ;
International Journal of Safety, volume 7, issue 1, 2008, Pages 39~43
With ever increasing number of citizen using subway stations everyday, safety, health and comfort of passengers and occupants (mostly metro personnel) have become important social issues. Considering the fact that various physical variables and pollutants such as particulate, VOCs and biological agents are closely related to indoor air quality (IAQ) which may cause health problems, a method of quantitative assessment using information-theoretic measure on such variables needs to be devised and implemented for comfort, health and safety of passengers and occupants in the subway station. A basic framework for assessing indoor air quality (for comfort and health) and safety in subway station is suggested. In particular, application of information-theoretic measure for the assessment of indoor air quality, comfort and safety in subway station is discussed. Some examples are presented as well.