COMPUTER-IMPLEMENTED METHOD AND SYSTEM FOR DETERMINING OPTIMIZED SYSTEM PARAMETERS OF A TECHNICAL SYSTEM BY MEANS OF A COST FUNCTION
A method for determining optimized system parameters of a technical system using a cost function. The cost function is provided for determining optimized system parameters of the technical system. The technical system has system parameter-adjustable components. When the system parameters are set, the technical system generates component output values. The method includes: providing historical system parameters and component output values, providing technical system rules based on the system parameters and their output values, determining a function space corresponding to a function set wherein the cost function lies, generating probability functions from the historical system parameters and corresponding output values using a rule, wherein each probability function indicates the probability which satisfies the rule by any cost function, combining probability functions to determine the cost function by maximizing overall probability of all rules, optimizing the system parameters given the cost function, and outputting the optimized system parameters to adjust the components.
1 . A computer-implemented method for determining updated system parameters of a technical system using a cost function, the method comprising:
providing a cost function for the purpose of determining updated system parameters of the technical system, wherein the technical system has different components that are adjustable by the system parameters, and wherein, when the system parameters are set, the technical system generates different output values for the different components:
receiving, by a processor from memory, historical system parameters and corresponding historical output values for the individual ones of the different components,
receiving, by the processor from the memory, a plurality of rules on which the technical system is based and which are based on the different system parameters and their output values,
determining, by the processor, a function space, wherein the function space corresponds to a set of functions in which the cost function lies,
generating, by the processor, a plurality of probability functions based on the historical system parameters and corresponding historical output values using one or more rules, wherein each of the probability functions indicates the probability with which the rule is satisfied by any cost function from the function space,
combining, by a computer system of which the processor and the memory are a part, all probability functions in order to determine the cost function by maximizing increasing overall probability of all rules,
updating, by the computer system, the system parameters given the cost function, and
outputting, by the computer system, the updated system parameters in order to adjust the different components of the technical system.
2 . The computer-implemented method as claimed in claim 1 , wherein a probability function is generated by the processor based on one rule of the plurality of rules.
3 . The computer-implemented method as claimed in claim 1 , wherein the technical system is a physical system in which the system behavior may be changed using freely adjustable system parameters of the plurality of system parameters.
4 . The computer-implemented method as claimed in claim 3 , wherein certain manipulated variables of the different components are mechanically, electrically or digitally alterable using the freely adjustable parameters.
5 . The computer-implemented method as claimed in claim 1 , wherein the rules are weighted.
6 . The computer-implemented method as claimed in claim 1 , wherein the rules are determined using an expert system.
7 . The computer-implemented method as claimed in claim 1 , wherein different output values are weighted.
8 . A computer system configured to determine updated system parameters of a technical system using a cost function, wherein the cost function is provided for the purpose of determining system parameters of the technical system, wherein the technical system has different components that can be adjusted by the system parameters, and wherein, when the system parameters are set, the technical system generates different output values for the different components,
the computer system comprising:
memory with historical system parameters and the corresponding historical output values for the individual components, wherein a plurality of rules on which the technical system is based and which are based on the different system parameters are stored in the memory, and
a processor, wherein the processor is configured to determine a function space, wherein the function space corresponds to a set of functions in which the cost function lies, and the processor is further configured to generate a plurality of probability functions based on the historical system parameters and corresponding output values using one or more rules, wherein each of the probability functions indicates a probability with which the rule is satisfied by any cost function from the function space,
wherein the computer system is configured to combine all probability functions in order to determine the cost function by increasing the overall probability of all rules and to update the system parameters given the cost function, and
wherein the computer system outputs the updated system parameters in order to adjust the components of the technical system.
9 . The computer system as claimed in claim 8 , wherein an expert system is provided and the expert system is configured to determine the rules.