Sensor mounting device for sensor testing
Disclosed are a sensor mounting apparatus and associated method, e.g. for use in testing of a vehicle sensor in an anechoic chamber. The apparatus features a sensor mounting device for mounting the sensor and a vehicle part mounting device comprised of first, second and third frames. Each frame is movable in a different direction relative to the sensor and each other frame, e.g. either: adjustable forward and back, left and right, up and down, and/or via roll, yaw and pitch. The outermost third frame further includes an attachment means for holding a vehicle part (e.g. a vehicle fascia/bumper) in place and provision for further adjustment of the part relative to the sensor in use, e.g. via a pivot mounting enabling yaw movement.
1 . A sensor testing apparatus comprising:
a sensor mounting plate for mounting a sensor; and
a vehicle part mounting device extending from the sensor mounting plate for mounting a vehicle part, the vehicle part mounting device being configured to be movable in at least three different directions relative to the sensor mounting plate,
wherein the vehicle part mounting device is comprised of a plurality of frames, each frame being movable in a different direction, wherein the moveable direction of each frame includes at least one of: forward and back, left and right, up and down, roll, or yaw and pitch, and
wherein the plurality of frames includes at least three frames arranged to fit successively inside each other from a largest outermost frame to a smallest innermost frame, wherein the largest outermost frame includes or is coupled to the vehicle part mounting device with attachment features for attaching to a vehicle part.
2 . The sensor testing apparatus of claim 1 , wherein the vehicle part mounting device comprises at least one additional position adjustment feature coupled to the outermost frame for adjusting a relative position of the vehicle part.
3 . The sensor testing apparatus of claim 2 , wherein the at least one additional position adjustment feature comprises at least one of:
a yaw adjustment feature; or
a translational adjustment feature for moving the vehicle part toward and away from the sensor.
4 . The sensor testing apparatus of claim 3 , wherein the yaw adjustment feature comprises a pivot pin coupling the vehicle part mounting device to the outermost frame.
5 . The sensor testing apparatus of claim 3 , wherein the translational adjustment feature comprises a series of fixture elements slidable for fixing a relative position within at least one of slots or a threaded element causing relative movement of a guide element in a track.
6 . The sensor testing apparatus of claim 1 , wherein a first frame of the plurality of frames is configured for relative movement in a vertical direction relative to the sensor mounting plate.
7 . The sensor testing apparatus of claim 6 , wherein a second frame of the plurality of frames is configured for relative movement in a sideways direction relative to the sensor mounting plate.
8 . The sensor testing apparatus of claim 7 , wherein respective frame movement in at least one of the sideways direction or the vertical direction is adjustable by a threaded element.
9 . The sensor testing apparatus of claim 8 , further comprising at least two guide rods located at an opposite side edge of a respective frame, the guide rods for controlling translational movement.
10 . The sensor testing apparatus of claim 1 , wherein a third frame of the plurality of frames is configured for relative movement in a tilting direction relative to an antenna pivot point.
11 . The sensor testing apparatus of claim 1 , wherein the sensor mounting plate comprises a circular bearing for enabling roll movement of the vehicle part mounting device relative to the sensor.
12 . The sensor testing apparatus of claim 1 , wherein at least one of the directional movements or position adjustment is motorized.
13 . The sensor testing apparatus of claim 1 , further comprising:
a robotic arm fixed to the sensor mounting plate.