Method for synchronization, method for operating an industrial system, apparatus, computer-readable medium

An apparatus comprising:

• at least one processor;
• and
• main memory;
• wherein the apparatus is configured to:
• a) providing a system model comprising at least one device model which simulates or can simulate operation of a real device of a real industrial system, the at least one device model being configured to, utilizing at least one mathematical function, calculate simulated output values which represent real output values of at least one of (i) the at least one real device and (ii) simulated state values which represent real state values of the real industrial system, from simulated input values representing real input values for the at least one real device, and the at least one device model being extended to include at least one mathematical function which is an inverse of said at least one mathematical function;
• b) providing at least one of (i) at least one real output value and (ii) state value originating from the operation of the real industrial system;
• c) supplying at least one of (i) the at least one real output value and (ii) state value to the extended device model;
• d) utilizing the at least one inverse mathematical function to back-calculate the at least one input value from at least one of (i) the at least one real output value and (ii) state value;
• and
• e) synchronizing at least one of (i) the at least one back-calculated input value and (ii) at least one value derived from the back-calculated at least one input value to synchronize the system model with the real industrial system;
• wherein the real industrial system is operated while taking into account the synchronized system model.

A non-transitory computer-readable medium encoded with program instructions which, when executed by a processor of at least one computer, cause the at least one computer to synchronize a system model utilized to simulate a real industrial system with a real system, the computer program comprising:

• a) program code for providing a system model comprising at least one device model which simulates or can simulate operation of a real device of the real industrial system, the at least one device model being configured to, utilizing at least one mathematical function, calculate simulated output values which represent real output values of at least one of (i) the at least one real device and (ii) simulated state values which represent real state values of the real industrial system, from simulated input values representing real input values for the at least one real device, and the at least one device model being extended to include at least one mathematical function which is an inverse of said at least one mathematical function;
• b) program code for providing at least one of (i) at least one real output value and (ii) state value originating from the operation of the real industrial system;
• c) program code for supplying at least one of (i) the at least one real output value and (ii) state value to the extended device model;
• d) program code for utilizing the at least one inverse mathematical function to back-calculate the at least one input value from at least one of (i) the at least one real output value and (ii) state value;
• and
• e) program code for synchronizing at least one of (i) the at least one back-calculated input value and (ii) at least one value derived from the back-calculated at least one input value to synchronize the system model with the real industrial system;
• f) program code for operating the real industrial system while taking into account the synchronized system model.