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Development of Dynamic Alarm at Small Device Depending on Real-time Traffic and Weather Information リアルタイム交通情報と気象情報を用いた 小型端末機器における動的時間お知らせシステムの開発 Hosei University, Faculty of Computer and Information Science Tomoyo Kanemaru n02k1110@k.hosei.ac.jp
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PRESENTATION OUTLINE Relevant Literature Goal of My Research System Design Implementation Implementation Result Conclusion Future Work
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RELEVENT LITERATURE Applications of maps and transfer ・ Ekitan Navi transfer information ・ BASUDOKO bus position information ↓ These systems have possibility of time forgetfulness.
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GOAL OF MY RESEARCH DEVELOPMENT OF DYNAMIC ALARM SYSTEM FOR SMALL DEVICE -set alarm which user certainly be in time -user can select means of transportation he like
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SYSTEM DESIGN Recognizing current place Mobile Destination Time Spare Minutes Database Means List Alarm ♪ Web server Calculate Time and Make Means List Calculate Alarm Time Data Real-time Information ・ weather ・ traffic Database Connector
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HOW TO CALCULATE TIME AND MAKE MEANS LIST List example time: T 0 = T reach ( T reach : arriving time )( n=0 ) T n = T n-1 - t n ( n≠0 ) *t n is defined based on weather and traffic information previous stop name time next ・・・・・・ ・・・・・・
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HOW TO DECIDE t n VALUE? Foot t n = distance / 72(m/min) / a Bicycle t n = distance / 144(m/min) / a Bus t n = BUS Information (arriving time and seat information) Train t n = TRAIN Information (leaving and arriving time) Taxi t n = 830(m)/min / a + TRAFFIC JAM Information Car t n = 830(m)/min / a + TRAFFIC JAM Information *a: weather fixed number a = 1 (sunny day) a = 1.6 (rain day)
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HOW TO DECIDE ALARM TIME Solution Contradiction of Alarm Time ・ traffic accident (bus, taxi, car) ・ delay of transportation ( bus, train ) ・ bus capacity (bus) ↓ Calculate another time at the same time
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Implementation Architectures ・ Wireless toolkit2.3 (heap size:100KB) ・ tomcat5.5 ・ mySQL1.1
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How to use
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Implementation Result Alarm ring ♪
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Conclusion This application can use at small device which capacity is more than 86KB. This system can ring alarm at the predict start time. User can choose the favorite transportation.
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Future Work Bring it close to the system which has more real-time processes. →When user will be late for the destination, this system can advice him to hurry his steps. Match the expected acceleration to each user’s speed. →This will be close to user’s desire. Add map information to the system →This can reduce the case user lost his way.
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