Detecting sensor degradation by actively controlling an autonomous vehicle
First Claim
1. A system for determining operating status of a sensor, the system comprising:
- the sensor configured to generate sensor data including data for a first vehicle in a driving environment of a second vehicle; and
one or more processors, in communication with the sensor, the one or more processors being configured to;
control the second vehicle in an autonomous driving mode according to at least one movement characteristic;
receive the sensor data from the sensor;
compare the sensor data with expected state information for the first vehicle based on the at least one movement characteristic; and
use the comparison to determine the operating status of the sensor.
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Accused Products
Abstract
Methods and systems are disclosed for determining sensor degradation by actively controlling an autonomous vehicle. Determining sensor degradation may include obtaining sensor readings from a sensor of an autonomous vehicle, and determining baseline state information from the obtained sensor readings. A movement characteristic of the autonomous vehicle, such as speed or position, may then be changed. The sensor may then obtain additional sensor readings, and second state information may be determined from these additional sensor readings. Expected state information may be determined from the baseline state information and the change in the movement characteristic of the autonomous vehicle. A comparison of the expected state information and the second state information may then be performed. Based on this comparison, a determination may be made as to whether the sensor has degraded.
25 Citations
20 Claims
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1. A system for determining operating status of a sensor, the system comprising:
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the sensor configured to generate sensor data including data for a first vehicle in a driving environment of a second vehicle; and one or more processors, in communication with the sensor, the one or more processors being configured to; control the second vehicle in an autonomous driving mode according to at least one movement characteristic; receive the sensor data from the sensor; compare the sensor data with expected state information for the first vehicle based on the at least one movement characteristic; and use the comparison to determine the operating status of the sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for determining operating status of a sensor, the method comprising:
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receiving, by one or more processors, sensor data from the sensor, the sensor data including data for a first vehicle in a driving environment of a second vehicle; controlling, by the one or more processors, a second vehicle in an autonomous driving mode according to at least one movement characteristic; comparing, by the one or more processors, the sensor data with expected state information for the first vehicle based on the at least one movement characteristic; and using, by one or more processors, the comparison to determine an operating status of the sensor. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification