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.
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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.
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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