• 환경사랑
• /
• s.63
• /
• pp.9-9
• /
• 2012

2011년 1월 '완구 인형 및 종합제품 EPS포장 사용 금지 규정의 삭제'로 EPS에 대한 규제가 완전 해제됨에 따라 국립농산물품질관리원은 "농산물품질관리법" 제4조 및 동법 시행규칙 제5조의 규정에 의하여 EPS 포장 상자를 포함한 농산물표준규격을 개정 고시(국립농산물품질관리원 고시 제2011-45호, 2011. 12. 21.)하였다.

• Information and Communications Magazine
• /
• v.24 no.12
• /
• pp.22-30
• /
• 2007

본고에서는 현재 3GPP(3rd Generation Partner Project)에서 표준화 작업이 진행중인 EPS(Evolved Packet Service) 시스템에서, Seamless radio mobility 기술에 대해서 알아본다. 본고는 EPS 표준 규격과 관련 기고를 참고하여 작성하였다.

• 한국생물공학회:학술대회논문집
• /
• 2000.11a
• /
• pp.135-136
• /
• 2000

A bacterial strain producing a large amount of EPS was isolated from marine sediment sample collected from the Cheju Island, Republic of Korea. In the present study, the isolation and identification of this isolate, which is named Hahella chejuensis gen. nov., sp. nov., the effects of nutrients on the production of EPS, and some properties of this EPS are reported.

• Proceedings of the KIPE Conference
• /
• 2004.07a
• /
• pp.58-60
• /
• 2004

This paper presents a design and characteristics analysis of an SRM drive for EPS application. A rack mounted EPS system is considered in this paper. In the unrestricted design conditions, motor parameters are determined for sufficient torque and speed with some restrictions. For the smooth torque generation and simple circuit of power system, 12/8 motor drive is considered. With FEM and magnetic circuit analysis, redesigned motor is simulated to meet the requirement of specifications. Effectiveness of the suggested SRM drive for EPS application is verified by redesigned motor drive tests.

• The Transactions of the Korean Institute of Electrical Engineers B
• /
• v.52 no.12
• /
• pp.587-594
• /
• 2003

This paper presents a design and characteristic analysis of an SRM drive for EPS(Electrically Power Steering) application. A rack mounted EPS system is considered in this paper. A conventional driving room space and mechanical structure are considered in a design stage. In the restricted design conditions, motor parameters are determined for sufficient torque and speed. For the smooth torque generation and simple circuit of power system, 12/8 motor drive is considered. With FEM and magnetic circuit analysis, designed motor is simulated to meet the requirement of specifications. Effectiveness of the suggested SRM drive for EPS application is studied by the drive tests of a prototype motor.

• Journal of Institute of Control, Robotics and Systems
• /
• v.16 no.6
• /
• pp.539-545
• /
• 2010

Through the AUTOSAR methodology, the embedded software shall become more flexible, reusable, maintainable than ever. However, it is not mentioned about specific timing constraints of software components in AUTOSAR. There are a few basic principles for mapping runnable entities. At this point, AUTOSAR software design with optimal scheduling method is one of the enabling technologies in vehicle embedded system. This paper presents an approach based on mapping runnable entities and task scheduling design method for EPS (Electric Power Steering) software components, based on AUTOSAR. In addition, the experimental results of concurrent simulation show that the proposed scheduling technique and timing synchronization in the software component design can achieve the improved torque ripple performance and it well suited for EPS application software.

• Proceedings of the Korea Concrete Institute Conference
• /
• 2003.11a
• /
• pp.425-428
• /
• 2003

This study deals with the mechanical properties of polymethyl methacrylate(PMMA) mortars without crosslinking agent. Waste expanded polystyrene(EPS) is used as a multifunctional admixture such as a thickener, a extender, a shrinkage reducing agent, a assistant to polymerization. PMMA mortars are prepared with various EPS contents of binder and subjected to a dry and a dry/heat combined curing, and tested for working life, flexural and compressive strengths. From the test results, the working life of PMMA mortars without crosslinking agent is shortened with raising EPS content of binder. The flexural and compressive strengths of the PMMA Mortars are decreased somewhat with increase in the EPS content. PMMA mortars with good mechanical properties could be manufactured without any crosslinking agent and their properties would be controled by adjusting EPS content of binder.

• Magazine of the Korean Society of Agricultural Engineers
• /
• v.41 no.1
• /
• pp.79-85
• /
• 1999

Use of soils with crushed expanded polystyrene(EPS) satisfied both recycling of industrial waste and development of new light-weight fill materials. Objectives of the study were to make the mixed the mixed soils with the crushed EPS and to suggest the most rational mixing ration as a fill material. A series of laboratory tests was performed to investigate the relationship between miximum dry density and optimum moisture contenr and to find the variation of CBR for mixtures with 3 soils and 2 sizes of the crushed EPS. Results of the test showed that the sizes fo the curshed EPS had a little effect on the properties of mixed soils. But gradatiion of soils and mixing ration with the crushed EPS were important factors to characterize compaction properties of the mixed soils.

• Journal of Aerospace System Engineering
• /
• v.8 no.1
• /
• pp.42-47
• /
• 2014

The role of Electrical Power Subsystem (EPS) is to generate a power and distribute it to the electrical devices for the system operation. For on-orbit operation of cube satellite, it is also necessary to supply power to on-board mission devices as commercial satellite does. Recently, commercial EPS products dedicated for the cube satellite application has been developed and widely used for the power subsystem design. In this paper, a permanent magnet attitude stabilization method without external power has been introduced because it has advantage from power consumption point of view and the EPS design of cube satellite by applying the commercial EPS products has been introduced and investigated. This paper also deals with the specification of the commercial EPS products for the beginner of the cube satellite design.

• Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
• /
• v.24 no.8
• /
• pp.27-31
• /
• 2010

Torque ripple of the motor used in EPS raises vibration problem on steering system. To solve this problem, this paper proposes a optimum design for torque ripple reduction of Surface-mounted Permanent Magnet Synchronous Motor(SPMSM) in EPS. Through analyis back-EMF using Finite element method as changing the shape of permanent magnet and stator shoe, we presented the method of torque ripple redution.