• 경영정보학연구
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• 제7권1호
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• pp.137-152
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• 2005

마일리지 프로그램은 마케팅 분야에서 중요한 촉진 수단으로 사용되어 오고 있다. 인터넷을 비롯한 정보기술의 발전은 기존의 전통적인 역할이외에 다른 역할을 수행하는 마일리지를 출현시키고 있다. 본 연구에서는 새로운 사적 전자화폐로서 마일리지 포인트의 역할을 규명하고자 한다. 이를 위해 신뢰성(confidence)과 효율성(efficiency) 이라는 2가지 특성을 도출하고, 이 특성을 중심으로 사례분석을 실시하였다. 본 연구에서는 화폐의 기능을 보여주고 있는 오케이캐쉬백 마일리지 포인트 사례 분석을 통하여 마일리지 포인트가 사적 전자화폐인지를 규명하고자 하였다. 연구의 결과에서는 오케이캐쉬백 마일리지 포인트가 기존의 화폐와는 다른 경로로 발전해 가고 있는 새로운 거래 수단이며, 제약적 수준으로 사적 전자화폐로서의 기능을 수행하고 있음을 제시하였다.

• 디지털융복합연구
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• 제13권7호
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• pp.333-340
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• 2015

일부 온라인 매체에서 마일리지 시스템은 많이 이용하고 있다. 또한, 마일리지를 시스템을 이용해 수익을 창출하고 있는 업체도 많이 있다. 마일리지 시스템은 최초로 1980년도 후반에 항공사에서 서비스를 했던 방식으로 지금은 많은 순기능들과 특징들이 나와 있는 상태이다. 또한 다른 산업분야에서 항공사에서 사용하는 마일리지 시스템을 이용해 좋은 효과를 보고 있는 산업도 많다. 하지만 현재 게임 업계의 마일리지는 도입되고 있지 않고 있으며 마일리지의 순기능인 사용자에게 돌아오는 포인트라는 개념을 이용해 서비스를 하고 있지 않다. 그래서 2010년 이후에 모바일 산업에서 많이 발달한 결제 시스템은 현재의 온라인 산업보다 더 좋고 쉬운 결제 시스템을 가지고 있으며 이러한 시스템을 이용해 모바일 게임에 마일리지 서비스를 융복합 수익모델을 제안하였다.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2012년도 추계학술대회
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• pp.696-697
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• 2012

바코드의 대체품으로 QR코드의 활용도가 점점 높아지고 이다. 바코드보다 제한된 데이터보다 훨씬 많은 데이터를 담을수도 있고 활용방안도 많기 때문에 온/오프라인 사에 어디서든지 사각형 박스를 볼 수 있을 정도 이다. 본 논문에서는 QR코드를 가지고 대기업들의 마일리지 시스템에 비해 개인 상점들은 카드, 카드리더기, 데이터베이스 구축에 투자하기에는 너무 많은 비용이 발생함으로 쉽게 투자할 수 없는 마일리지적립 시스템을 대신 구축해주고 소비자들에겐 언제나 가지고 다니는 스마트폰으로 마일리지를 쉽고 간편하게 적립하고 쓸 수 있는 프로그램을 구현하였다.

• 대한교통학회지
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• 제32권1호
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• pp.1-12
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• 2014

도로부문의 온실가스배출량 산정시 활용되는 tier3방법론은 주행거리데이터를 기반으로 한다. 하지만 기존 대부분의 자료들은 단독으로 지역단위의 주행거리를 대변할 수 없고 지역별, 차종별, 연료별, 도로유형별 특성을 반영한 통합활동자료(주행거리데이터)가 미흡하여 온실가스배출량 산정의 신뢰도가 부족하다. 따라서 본 연구는 첫째, 지자체단위(배출지점)의 정확한 온실가스배출량을 산정할 수 있는 주행거리기반의 활동자료(통합데이터베이스) 구축과 이를 활용한 온실가스배출량 산정방법론을 제시하는 것을 목적으로 한다. 이를 위해 교통안전공단의 주행거리자료, 국토해양부의 차량등록통계, 도로교통량, 한국교통연구원의 국가교통데이터베이스, 지방자치단체 평균속도 등을 활용하였으며, 이는 교통관련 데이터의 통행패턴(유 출입교통량, 내부교통량)을 반영하여 지자체단위(배출지점)의 산정방법을 제시하였다는 점에서 의의가 있다. 둘째, 본 연구에서 제시한 방법론 검증을 위해 적용대상지를 서울시로 하였으며, 본 연구에서 제시한 모형의 검증을 위하여 기존에 발표된 세 가지 온실가스배출량 산정결과와 비교하여 적정수준임을 제시하였다.

• 센서학회지
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• 제21권6호
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• pp.434-439
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• 2012

In this study, the oil degradation measuring for integrated sensor of drain valve was fabricated. A sensor used in the experiments was integrated with drain valves and installed in oil pan without requiring additional space. As a result of the experiments, the capacitances changed with two inflection points in accordance with an after in mileage. The first inflection point indicated the exhaustion of oil additives, and after the second inflection point, the oil degradation was completed, which increased the viscosity and disabled the functions of oil. Thus, this section was determined as the time of oil exchange.

• Tribology and Lubricants
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• 제28권2호
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• pp.93-98
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• 2012

The engine oil is an oil used for lubrication of various internal combustion engines. Recently, the vehicle and engine oil manufacture usually guarantee for oil change over 15000~20000 km mileage, but the most of driver usually change engine oil every 5000 km driving in Korea. In this case, it is possible to cause environmental contamination by used engine oil and increase the cost of driving by frequently oil change. In this study, we investigate the various physical properties such as flash point, pour point, kinematic viscosity, cold cranking simulator, total acid number, and four-ball test for fresh engine oil and used engine oil after vehicle driving (5000 km, 10000 km). The test result showed that the total acid number and wear scar by four-ball test of used engine oil had increased than fresh engine oil, but 2 kind of used oil (5000 km and 10000 km) had similar physical properties.

• 산업공학
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• 제13권3호
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• pp.471-478
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• 2000

One of the most important problems encountered by parcel transportation firms or LTL (Less-than-truckload) firms is the planning of daily linehaul operations. The transportation firm's goal is to determine the most efficient way to move all freight from its originating terminal to its destination terminal after each shipment is picked up from the shipping dock. The purpose of this study is to design a transportation system and develop an efficient scheduling algorithm for linehaul operations carrying small amount of shipment. This paper presents three approaches for efficient linehaul operations. The first approach examines drivers using the roundtrips which start from a terminal, visit several terminals, and return to the starting terminal. The second approach uses a freight assembly center where drivers take freight for a number of destination terminals which they then swap for freight for their starting terminal. The third approach is similar to the second approach in that it uses a transshipment point like a freight assembly terminal for shipment, but it has several transshipment points since each shipment may have a different transshipment point. In this study, we developed a mathematical formulation and algorithm for each approach. The experimental results using data of a LTL firm show that the third approach is more efficient than the other two. Mileage and overnight stays of the third approach are reduced by 10% and 30%, respectively.

• 한국자동차공학회논문집
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• 제24권6호
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• pp.649-659
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• 2016

This paper describes control algorithm and control structure of vehicle control unit for range-extended electric vehicle equipped with engine-generator system, and specially presents methods which determine optimal operating points and decreases a vibration or a shock for operating the engine-generating system. The vehicle control algorithm is consisted of several parts which are sequence control, calculation of wheel demand torque, determination of operating points, and management of operating points and so vehicle controller has be made possible to efficiently manage calibration parameters. The control algorithm is evaluated by driving test modes, launching performance and operating engine-generator system and so on. In conclusion, this paper present methods for extending a mileage, improving a launching performance and reducing vibration or shock when the engine-generating system is starting or is stopping.

• 한국안전학회지
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• 제24권4호
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• pp.1-10
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• 2009

The characteristics of smoke emissions from diesel heavy duty vehicles which weigh over 5.5 tons was investigated by driving the vehicles with both the Lugdown 3 modes in the chassis dynamometer and tree accelerating mode under no load. The vehicles include commercial vehicles such as bus, microbus, trucks and specialized vehicles, etc. The total numbers of the vehicles tested were 200. The light extinction method was used to measure the smoke emissions from the vehicles tail pipe. The values of the smoke emissions in the tree accelerating mode showed $0{\sim}20%$ band nearly independent of both the mileage and year of production of the tested vehicles, while those in the Lugdown 3 modes showed $0{\sim}99%$ of wide band. The correlation coefficients between the values of the smoke emissions with both the Lugdown 3 modes and the free acceleration mode were 0.12, 0.08, 0.12, respectively. The inspection with Lugdown 3 modes is better one than that with tree acceleration from the point of exact inspection of the diesel vehicles' smoke emission.

• 한국경영과학회지
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• 제38권1호
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• pp.103-121
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• 2013

Since American Airlines's mileage program emerged in market, loyalty programs have gained popularity. Many companies have generated many kinds of reward cards in order to induce precious consumers. As a result, reward cards are very important in consumer goods market and become diversified. In spite of its importance, little is known about how these cards influence consumer's perception. The prior research has not focused on reward card types and psychological variables. Accordingly this research intends to investigate psychological variables such as transaction coupling and sunk cost perception. According to the theory of regulatory focus, promotion focus consumers would point to gain-nongain frame work, but prevention focus consumers would point to loss-nonloss frame work. The paper proved the effect of reward card types and regulatory focus on transaction coupling and sunk cost perception. Based on the results from 2(type of card : visible vs invisible) ${\times}$ 2(regulatory focus: promotion vs prevention) between-subjects factorial design experiments, we found that consumer's transaction coupling and sunk cost perception of visible reward card are better recognized than invisible reward card. In addition, the results show that there is a significant interaction effect between the type of reward card and regulatory focus. Specifically promotion focused consumers tend to reveal better perception than prevention focused consumers in use of invisible cards. However, prevention focused consumers tend to show better perception than promotion focused consumers in use of visible cards. These findings will contribute to significant academic development and practically useful help to marketing managers.