Method and device for operating a pedestrian-protection device of a vehicle, pedestrian-protection device
A pedestrian protection and vehicle technology, applied in transportation and packaging, pedestrian/occupant safety arrangement, vehicle components, etc., can solve problems such as false triggering of pedestrian protection measures, wrong judgments, and no pedestrians themselves being identified, etc., and achieve sensitive pedestrian protection equipment. Effect
Active Publication Date: 2016-02-24
ROBERT BOSCH GMBH
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Problems solved by technology
However, in practice, on the one hand, it may happen that, despite highly developed algorithms for detecting whether a collision object is a pedestrian, false positives can be drawn, which can lead to false triggering of pedestrian protection measures
On the other hand, it can happen that the pedestrian itself is not identified because, for example, a necessary trigger threshold within the algorithm has not been exceeded.
Method used
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[0019] figure 1 A device for operating a pedestrian protection device 2 with an environment sensor 3 and a contact sensor 4 is shown. Furthermore, the pedestrian protection device 2 has at least one activatable pedestrian protection measure 5 , for example an airbag mounted on the outside of the vehicle and / or a tiltable bonnet. The touch sensor 4 here has, for example, a pressure tube sensor (PTS sensor) which extends along the bumper of the vehicle. As an alternative or in addition, it is conceivable to arrange force sensors, light conductors, acceleration sensors, piezoelectric sensors or combinations thereof on the bumper in order to detect the collision of the collision object on the bumper and to determine the collision characteristics of the collision object, in particular Collision energy.
[0020] The environment sensor 3 preferably has a camera system or a radar system, for example operating by means of ultrasound or laser beams, to monitor the environment of the v...
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The invention relates to a method for operating a pedestrian-protection device (2) of a vehicle, in particular a motor vehicle, which has a surroundings sensor system (3) and a contact sensor system (4), and is designed to trigger at least one pedestrian-protection measure (5), wherein the surroundings of the vehicle are monitored for a collision object by means of the surroundings sensor system (3), and the type of detected collision object is determined before an impact with the vehicle, and wherein, by means of the contact sensor system (4), an impact feature on the vehicle of the detected collision object, which has impacted with the vehicle, is determined and is compared with at least one predefineable limiting value (Thd), in order to make a decision about the triggering of the pedestrian-protection measure (5). In this context there is provision that the limiting value (Thd) is changed as a function of the determined type of detected collision object.
Description
technical field [0001] The invention relates to a method for operating a pedestrian protection device of a vehicle, in particular a motor vehicle, which has an environment sensor and a contact sensor and is designed to trigger at least one pedestrian protection measure or pedestrian protection restraint, wherein by means of The environment sensor monitors whether there is a collision object in the environment of the vehicle and determines the type of the detected collision object before colliding with the vehicle, and, by means of the contact sensor, determines the location of the collision object detected and collides with the vehicle at the vehicle. The crash signature is compared with at least one predeterminable limit value or threshold value in order to determine the triggering of the pedestrian protection measure. [0002] Furthermore, the invention relates to a corresponding device as well as a pedestrian protection device. Background technique [0003] Methods and d...
Claims
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IPC IPC(8): B60R21/0134B60R21/0136
CPCB60R21/0134B60R21/0136B60R21/34
Inventor M·R·埃韦特B·雷克策吉尔
Owner ROBERT BOSCH GMBH