Method and control unit for determining an evaluation algorithm from a plurality of available evaluation algorithms for the processing of sensor data of a vehicle sensor of a vehicle

Patent metadata

Field	Value
Publication number	US-11731641-B2
Application number	US-202016998445-A
Country	US
Kind code	B2
Filing date	Aug 20, 2020
Priority date	Aug 22, 2019
Publication date	Aug 22, 2023
Grant date	Aug 22, 2023

Abstract

A method for determining an evaluation algorithm from a plurality of available evaluation algorithms for the processing of sensor data of a vehicle sensor of a vehicle. The method includes a step of reading in and a step of selecting. In the step of reading in, an environment signal is read in, which represents a current environment parameter acquired by a sensor unit using at least the vehicle sensor and/or received via a communications interface. In the step of selecting, the evaluation algorithm is selected from the plurality of evaluation algorithms for the evaluation of the sensor data of the vehicle sensor using the environment parameter.

First claim

What is claimed is:

1. A method for determining an evaluation algorithm from a plurality of available evaluation algorithms for processing of sensor data of a vehicle sensor of an autonomous vehicle, the method comprising:
reading in an environment signal which represents a current environment parameter: (i) acquired by a sensor unit using at least the vehicle sensor, and/or (ii) received via a communications interface; and
selecting the evaluation algorithm, in which at least one environment parameter allocated to the selected evaluation algorithm corresponds to the current environment parameter, from the plurality of available evaluation algorithms for evaluating the sensor data of the vehicle using the current environment parameter;
wherein in the step of selecting, a second evaluation algorithm for the evaluation of the sensor data of the vehicle sensor is selected from the plurality of available evaluation algorithms: (i) using the environment signal and/or (ii) using an evaluation result that represents a result of an application of the selected evaluation algorithm to the sensor data,
wherein the vehicle sensor is part of a sensor unit that having a multiplicity of sensors,
wherein the vehicle has a memory device to store the plurality of evaluation algorithms,
wherein the vehicle has a communications interface to communicate wirelessly with an external device, an internet database or Cloud, and/or a further vehicle,
wherein each of the plurality of evaluation algorithms corresponds to a specific environment parameter, so that the one of the plurality of evaluation algorithms is selected when it corresponds to the specific environment parameter,
wherein a switchover of different ones of the evaluation algorithms occurs based on changed weather conditions and/or other changed conditions, and
wherein when a change in the environment parameter occurs, the switchover of the different ones of the evaluation algorithms takes place so that the greatest possible performance of the vehicle sensor is available inside the vehicle at all times, and wherein the switchover of the different ones of the evaluation algorithms is implemented with the aid of the environment parameters, which relate to a weather condition and a sensor-specific environment parameter, and at least one of a vehicle speed and a traffic density.

2. The method as recited in claim 1 , wherein in the step of reading in, the environment signal representing the current environment parameter is read in, the current environment parameter representing a driving parameter, and/or a weather parameter, and/or a traffic parameter, and/or the sensor-specific environment parameter.

3. The method as recited in claim 1 , wherein in the step of selecting, the second evaluation algorithm is selected using other environment parameters of the environment signal than the current environment parameter of the environment signal used for the selection of the evaluation algorithm.

4. The method as recited in claim 1 , further comprising:
applying the evaluation algorithm and the second evaluation algorithm, the evaluation algorithm and the second evaluation algorithm being at least partly carried out simultaneously and/or sequentially.

5. The method as recited in claim 4 , wherein in the step of applying, evaluation results of an application of the selected evaluation algorithm to the sensor data and second evaluation results of a second evaluation algorithm applied at least partly simultaneously with the selected evaluation algorithm are buffer-stored, and a switch from an output of the evaluation results to an output of the second evaluation results takes place in response to a switchover signal.

6. The method as recited in claim 5 , wherein in the step of applying, an evaluation algorithm is applied, wherein the selected evaluation algorithm is selected using the same environment parameters of the environment signal as the second evaluation algorithm.

7. The method as recited in claim 5 , wherein in the step of applying, the selected evaluation algorithm and the second evaluation algorithm are fed the same sensor data.

8. The method as recited in claim 1 , wherein: (i) in the step of reading in, at least one of the evaluation algorithms is read in from a vehicle-external device, and/or a Cloud, and/or a further vehicle via the communications interface, and/or (ii) in the step of selecting, the selected evaluation algorithm is made available, via the communications interface, by the vehicle-external device, and/or the Cloud, and/or the further vehicle via the communications interface.

9. A control apparatus, comprising:
a control unit to determine an evaluation algorithm from a plurality of available evaluation algorithms for processing of sensor data of a vehicle sensor of a vehicle, by performing the following:
reading in an environment signal which represents a current environment parameter: (i) acquired by a sensor unit using at least the vehicle sensor, and/or (ii) received via a communications interface; and
selecting the evaluation algorithm from the plurality of available evaluation algorithms for evaluating the sensor data of the vehicle using the current environment parameter;
wherein in the step of selecting, a second evaluation algorithm for the evaluation of the sensor data of the vehicle sensor is selected from the plurality of available evaluation algorithms: (i) using the environment signal and/or (ii) using an evaluation result that represents a result of an application of the selected evaluation algorithm to the sensor data,
wherein the vehicle sensor is part of a sensor unit that having a multiplicity of sensors,
wherein the vehicle has a memory device to store the plurality of evaluation algorithms,
wherein the vehicle has a communications interface to communicate wirelessly with an external device, an internet database or Cloud, and/or a further vehicle,
wherein each of the plurality of evaluation algorithms corresponds to a specific environment parameter, so that the one of the plurality of evaluation algorithms is selected when it corresponds to the specific environment parameter,
wherein a switchover of different ones of the evaluation algorithms occurs based on changed weather conditions and/or other changed conditions, and
wherein when a change in the environment parameter occurs, the switchover of the different ones of the evaluation algorithms takes place so that the greatest possible performance of the vehicle sensor is available inside the vehicle at all times, and wherein the switchover of the different ones of the evaluation algorithms is implemented with the aid of the environment parameters, which relate to a weather condition and a sensor-specific environment parameter, and at least one of a vehicle speed and a traffic density.

10. A non-transitory machine-readable memory medium, on which is stored a computer program, which is executable by a processor, comprising:
a program code arrangement having program code for determining an evaluation algorithm from a plurality of available evaluation algorithms for processing of sensor data of a vehicle sensor of a vehicle, by performing the following:
reading in an environment signal which represents a current environment parameter: (i) acquired by a sensor unit using at least the vehicle sensor, and/or (ii) received via a communications interface; and

selecting the evaluation algorithm from the plurality of available evaluation algorithms for evaluating the sensor data of the vehicle using the current environment parameter;
wherein in the step of selecting, a second evaluation algorithm for the evaluation of the sensor data of the vehicle sensor is selected from the plurality of av

Assignees

• Bosch Gmbh Robert

Inventors

• Ewert Marlon Ramon

Classifications

• B60W50/045 Primary

  Monitoring control system parameters · CPC title

• B60W40/04

  Traffic conditions · CPC title

• B60W50/06

  Improving the dynamic response of the control system, e.g. improving the speed of regulation or avoiding hunting or overshoot · CPC title

• G06V10/82

  using neural networks · CPC title

• G06V20/56

  exterior to a vehicle by using sensors mounted on the vehicle · CPC title