Patent ID: 11940777
Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KG
Field: Digital communication (Electrical engineering)
Classification: CPC G  H  B | IPC B  G  H

Claim 9:
10. A method for verifying and calibrating a sensor of a sensor control assembly to securely verify and calibrate a sensor of a manufacturing device utilized in a manufacturing process of a product, the sensor control assembly including a sensor of a manufacturing device, a first processing unit adapted to provide a cryptographic checksum of first sensor data acquired by the sensor, a distributed database adapted to receive the first sensor data wherein the distributed database is protected against manipulation, a second processing unit adapted to verify the first sensor data based on the cryptographic checksum, a third processing unit adapted to determine the demand for calibration or reset based on a comparison of second sensor data acquired in a defined manufacturing condition and the first sensor data acquired during the manufacturing process, wherein the second processing unit and third processing unit can be the same or different processing units, the method comprising:
acquiring the second sensor data for a specific manufacturing condition and storing it in thea data storage and/or the distributed database,
acquiring the first sensor data of the sensor during the manufacturing process of the product,
calculating a cryptographic checksum of the first sensor data using a first processing unit,
transmitting the first sensor data and the cryptographic checksum to the data storage or the distributed database,
verifying the first sensor data based on the cryptographic checksum,
determining a demand for calibration or reset of the sensor based on the comparing of the first sensor data and second sensor data, wherein a signal for the calibration or the reset of the sensor is generated if required.