US 12,238,228 B2
Operational safety using a distributed ledger
Koo Chee Hung, Stuttgart (DE); Kai Höfig, Rohrdorf (DE); Stefan Rothbauer, Augsburg (DE); Sebastian Schröck, Weil der Stadt (DE); Marian Marcel Vorderer, Rutesheim (DE); and Marc Zeller, Munich (DE)
Assigned to Siemens Aktiengesellschaft, Munich (DE)
Appl. No. 17/625,938
Filed by Siemens Aktiengesellschaft, Munich (DE)
PCT Filed Jul. 20, 2020, PCT No. PCT/EP2020/070470
§ 371(c)(1), (2) Date Jan. 10, 2022,
PCT Pub. No. WO2021/013804, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 19187575 (EP), filed on Jul. 22, 2019.
Prior Publication US 2022/0271956 A1, Aug. 25, 2022
Int. Cl. H04L 27/06 (2006.01); H04L 9/00 (2022.01); H04L 9/32 (2006.01)
CPC H04L 9/50 (2022.05) [H04L 9/3239 (2013.01); H04L 9/3247 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A device for ensuring safe operation of a technical system, the device being configured to:
generate a smart contract including a condition, which is required to be fulfilled by the technical system for safe operation of the technical system;
store smart contract data of the smart contract which uniquely identifies the smart contract in a distributed ledger; and
determine if the technical system fulfills the condition using the smart contract, wherein the condition is a requirement according to an industry standard of the technical system and the smart contract is an operating permission of the technical system, further wherein the smart contract comprises at least one hazard element identifying a safety hazard of the technical system.