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TRAVEL TIME INFORMATION PROVIDING APPARATUS AND TRAVEL TIME INFORMATION PROVIDING METHOD

  • US 20150308844A1
  • Filed: 11/21/2013
  • Published: 10/29/2015
  • Est. Priority Date: 12/27/2012
  • Status: Active Grant
First Claim
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1. A travel time information providing apparatus that provides a user with information regarding a travel time in a transportation network which is constituted by nodes and links and in which travel by train or bus is enabled,the travel time information providing apparatus comprising:

  • a probability distribution storage unit configured to store first probability distribution data which expresses an embarkation waiting time that is a time from when a user arrives at any of the nodes constituting the transportation network until when the user embarks on a train or bus to depart from the node for each location where the waiting time occurs and second probability distribution data which expresses a travel time that is a time necessary for the user to travel in any of the links constituting the transportation network for each location where the travel time occurs;

    a route acquiring unit configured to acquire a route connecting a point of origin and a destination;

    a travel time calculating unit configured to calculate a probability distribution of a total travel time by acquiring all first probability distribution data corresponding to an embarkation waiting time which occurs on the route and second probability distribution data corresponding to a travel time which occurs on the route, and convoluting the acquired probability distribution data; and

    an information providing unit configured to determine an estimated travel time based on the calculated probability distribution of the total travel time, and output the estimated travel time.

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