18251591. CALIBRATION METHOD AND CALIBRATION SYSTEM FOR A VEHICLE SENSOR simplified abstract (Robert Bosch GmbH)

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CALIBRATION METHOD AND CALIBRATION SYSTEM FOR A VEHICLE SENSOR

Organization Name

Robert Bosch GmbH

Inventor(s)

Mauro Disaro of Stuttgart (DE)

CALIBRATION METHOD AND CALIBRATION SYSTEM FOR A VEHICLE SENSOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 18251591 titled 'CALIBRATION METHOD AND CALIBRATION SYSTEM FOR A VEHICLE SENSOR

Simplified Explanation

The patent application describes a method for calibrating a vehicle sensor. Here are the key points:

  • The method involves using a calibration device with a reference object placed in the field of view of the vehicle sensor.
  • The first step is to determine the relative position of the calibration device and the vehicle using measurements taken outside the vehicle.
  • The vehicle sensor then captures data of the reference object.
  • From the acquired data, the second relative position of the reference object relative to the vehicle is determined.
  • The method calculates the deviation between the first and second relative positions.
  • If the calculated deviation is within a predetermined tolerance, the calibration process is terminated.
  • If the calculated deviation is outside the predetermined tolerance, a complete calibration of the vehicle sensor is performed.

Potential applications of this technology:

  • Calibration of various vehicle sensors such as cameras, radars, lidars, etc.
  • Used in autonomous vehicles to ensure accurate perception of the surrounding environment.
  • Can be applied in advanced driver assistance systems (ADAS) to improve safety and reliability.

Problems solved by this technology:

  • Ensures accurate calibration of vehicle sensors, which is crucial for their proper functioning.
  • Reduces the risk of sensor misalignment or inaccuracies that could lead to incorrect data interpretation.
  • Provides a reliable method for verifying and adjusting the calibration of vehicle sensors.

Benefits of this technology:

  • Increases the accuracy and reliability of vehicle sensors, leading to improved performance of autonomous driving systems.
  • Reduces the need for manual calibration, saving time and effort.
  • Enables real-time monitoring and adjustment of sensor calibration, ensuring optimal performance in different conditions.


Original Abstract Submitted

A calibration method for a vehicle sensor. The method includes: situating a calibration device having at least one reference object in a field of view of the vehicle sensor, which is situated on a vehicle, ascertaining a first relative position of the calibration device relative to the vehicle through a measurement outside the vehicle, acquisition of the at least one reference object by the vehicle sensor, and determining a second relative position of the at least one reference object relative to the vehicle from acquisition data of the vehicle sensor, and calculating a deviation between the first relative position and the second relative position, the calibration method being terminated if the calculated deviation is already within a predetermined tolerance and a complete calibration of the vehicle sensor being carried out only if the calculated deviation is outside the predetermined tolerance.

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