Driving support system, driving support method and computer program for setting and using facility entry difficulty levels
First Claim
1. A driving support system, comprising:
- an entry direction obtaining unit that obtains an entry direction when respective vehicles traveling on a road enter a facility, the entry direction indicating a cross-traffic entry or an entry other than a cross-traffic entry;
a percentage calculating unit that calculates a percentage of cross-traffic entry of the facility based upon the entry directions obtained by the entry direction obtaining unit, the percentage of cross-traffic entry being a percentage of vehicles that entered the facility by a cross-traffic entry among vehicles that entered the facility;
an entry difficulty level setting unit that sets an entry difficulty level for the facility based upon the percentage of cross-traffic entry calculated by the percentage calculating unit; and
a travel guidance unit that performs guidance regarding travel of a vehicle based upon the entry difficulty level.
1 Assignment
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Accused Products
Abstract
When a vehicle enters a facility off a road on which the vehicle is traveling, information pertaining to an entry direction into the facility is sent to a probe center as probe information, and a current driving level of the host vehicle is identified. Meanwhile, the probe center that received the probe information calculates a right-turn entry percentage for facilities based upon the received probe information, and sets an entry difficulty level of the facilities based upon the calculated right-turn entry percentage. A vehicle to which information pertaining to the entry difficulty level of a set facility was distributed from the probe center is structured so as to perform driving support based upon the information pertaining to the entry difficulty level of the facility.
21 Citations
18 Claims
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1. A driving support system, comprising:
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an entry direction obtaining unit that obtains an entry direction when respective vehicles traveling on a road enter a facility, the entry direction indicating a cross-traffic entry or an entry other than a cross-traffic entry; a percentage calculating unit that calculates a percentage of cross-traffic entry of the facility based upon the entry directions obtained by the entry direction obtaining unit, the percentage of cross-traffic entry being a percentage of vehicles that entered the facility by a cross-traffic entry among vehicles that entered the facility; an entry difficulty level setting unit that sets an entry difficulty level for the facility based upon the percentage of cross-traffic entry calculated by the percentage calculating unit; and a travel guidance unit that performs guidance regarding travel of a vehicle based upon the entry difficulty level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A driving support method, comprising the steps of:
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obtaining an entry direction when respective vehicles traveling on a road enter a facility, the entry direction indicating a cross-traffic entry or an entry other than a cross-traffic entry; calculating a percentage of cross-traffic entry of the facility based upon the entry directions obtained at the entry direction obtaining step, the percentage of cross-traffic entry being a percentage of vehicles that entered the facility by a cross-traffic entry among vehicles that entered the facility; setting an entry difficulty level for the facility based upon the percentage of cross-traffic entry calculated at the percentage calculating step; and performing a travel guidance based upon the entry difficult level.
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18. A computer program, stored on a non-transitory computer readable medium that, when executed by a computer, performs the functions of:
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obtaining an entry direction when respective vehicles traveling on a road enter a facility, the entry direction indicating a cross-traffic entry or an entry other than a cross-traffic entry; calculating a percentage of cross-traffic entry of the facility based upon the entry directions obtained by the entry direction obtaining function, the percentage of cross-traffic entry being a percentage of vehicles that entered the facility by a cross-traffic entry among vehicles that entered the facility; setting an entry difficulty level for the facility based upon the percentage of cross-traffic entry calculated by the percentage calculating function; and performing a travel guidance based upon the entry difficult level.
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Specification