Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Patent
1999-01-05
2000-05-09
Gregory, Bernarr E.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
342 27, 342 52, 342 54, 342 61, 342 69, 342 70, G01S 1360, G01S 1358
Patent
active
060610158
ABSTRACT:
A vehicle obstacle detecting system having a combination of different kinds of detectors, such as a laser radar and a millimeter-waver radar, to detect an obstacle present ahead of the course of vehicle travel. The system determines whether the detection output of the laser radar is similar to that of the millimeter-wave radar. When the result is positive, obstacle avoidance control is conducted based on the output of either the laser radar or the millimeter-wave radar. When the result is negative, it is determined that the laser radar (the detector normally of superior performance) is degraded and, based on the output of the millimeter-radar, obstacle avoidance control is conducted. With this, the outputs of the different kinds of detectors are fused and unified optimally, enabling effective obstacle avoidance control.
REFERENCES:
patent: 5471214 (1995-11-01), Faibish et al.
Gregory Bernarr E.
Honda Giken Kogyo Kabushiki Kaisha
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