INTERSECTION VISIBILITY DETERMINATION DEVICE, VEHICLE WITH INTERSECTION VISIBILITY DETERMINATION DEVICE, AND METHOD FOR DETERMINING INTERSECTION VISIBILITY

WIPO Patent Application WO/2009/122284

A8

An intersection visibility determination device includes an ECU (10) that determines visibility at an intersection. When a host vehicle (P) approaches an intersection with a stop sign, the ECU (10) calculates conflict points (CP1, CP2) at which a trajectory vector of the host vehicle (P) intersects with virtual trajectory vectors of intersecting objects (Q, R), which are presumed to come from the right side and the left side of the intersection, respectively. The conflict points (CP1, CP2) are calculated based on information on types and traveling positions of the intersecting objects (Q, R). The ECU (10) sets visibility determination areas (Sl, S2) at the intersection as viewed from the host vehicle (P) based on the positions of the conflict points, the right-side and the left-side visibility target distances (D2, D3), and the current location of the host vehicle (P), and calculates, based on the visibility determination areas (S1, S2), visibility distances (DIaT, D1bT) that are used as visibility parameters indicating whether the visibility at the intersection is good or poor.

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UECHI MASAAKI (JP)
SASAKI KAZUYA (JP)
KOBANA MASUMI (JP)
HIGUCHI KAZUNORI (JP)
KOKUBUN MITSUTERU (JP)

PCT/IB2009/005346

September 10, 2010

March 27, 2009

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TOYOTA MOTOR CO LTD (JP)
UECHI MASAAKI (JP)
SASAKI KAZUYA (JP)
KOBANA MASUMI (JP)
HIGUCHI KAZUNORI (JP)
KOKUBUN MITSUTERU (JP)

G08G1/16; G08G1/0967

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