Surroundings sensor with a movable sensor unit for motor vehicles

Abstract

The invention relates to a sensor system (200, 300, 400) for a motor vehicle, comprising a sensor housing and an active or passive sensor (102) arranged therein and held on a movable sensor holder (201, 401), having a sensor technology based on radiation detection and a measurement apparatus assigned to the sensor (102) and a control apparatus, coupled to said measurement apparatus, for the sensor holder (201, 401), wherein the sensor housing has a cover (106, 301) that is signal-transmissive for the sensor (102) on its side located in the detection direction of the sensor (102), and wherein the detection range (108, 109) of the sensor (102) in the region of the signal-transmissive cover (106, 301) has a lower extent than the signal-transmissive cover (106, 301), wherein the sensor system (200, 300, 400) is characterized in that the measurement apparatus is designed such that it is suitable for checking, in the detection range of the sensor (102), whether and in which section the signal-transmissive cover (106, 301) has a region with reduced signal transmissivity (202), wherein the measurement apparatus interacts with the control apparatus in such a way that the control apparatus is able to change the position of the sensor (102) in such a way that the region with reduced signal transmissivity (202) lies outside the detection range (108, 109) of the sensor (102). The invention furthermore relates to a method for operating such a sensor system (200, 300, 400) and to a motor vehicle that is equipped with such a sensor system (200, 300, 400).

Description

technical field [0001] The invention relates to a sensor system for a motor vehicle comprising a sensor housing and an active or passive sensor arranged therein and held on a movable sensor carrier and having a sensor technology based on radiation or acoustic detection, and a measuring device associated with the sensor and a control device coupled to said measuring device for the sensor holder, wherein the sensor housing has a signal-transmissive cover for the sensor on its side positioned in the detection direction of the sensor , and wherein the range of the detection area of ​​the sensor in the area of ​​the signal transmissive cover is smaller than that of the signal transmissive cover. The invention further relates to a method for operating such a sensor system and a motor vehicle equipped with such a sensor system. Background technique [0002] Driver assistance systems are equipment in motor vehicles designed to improve driving comfort and safety. Advanced driver as...

AI Technical Summary

Problems solved by technology

The cited examples of sensor intelligence and sensor fusion can only remove the effect of signal loss in the sensor network, not the cause of signal failure, and therefore there is still an increased safety risk associated with autonomous driving

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