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Method for verifying simulation model

A technology of simulation model and simulation data, applied in the direction of design optimization/simulation, special data processing application, complex mathematical operation, etc.

Pending Publication Date: 2022-05-10
ROBERT BOSCH GMBH
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  • Abstract
  • Description
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Problems solved by technology

However, the area validation measure cannot be used in multidimensional cases

Method used

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  • Method for verifying simulation model
  • Method for verifying simulation model

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Embodiment Construction

[0047] exist figure 1 The steps of a computer-implemented method 100 for validating simulation data of a simulation model of an engineering system are schematically shown in .

[0048] The method 100 comprises a step 110 for providing simulation data SD comprising a plurality of simulation signals and providing reference data RD comprising a plurality of reference signals. The simulated signal and the reference signal are multi-dimensional signals, at least two-dimensional signals.

[0049] According to the illustrated embodiment, the simulation data SD comprise n simulation signals, where n>1, and the reference data RD comprise m reference signals, where m>1.

[0050] Multidimensional signals are for example two-dimensional or multidimensional vectors and / or correlation signals and / or time-series signals. Next, according to the sequence signal, that is, the simulation signal and reference signal to illustrate the method.

[0051] The method 100 also includes a step 120 f...

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Abstract

The invention relates to a computer-implemented method (100) for verifying simulation data (SD) of a simulation model of an engineering system; the method (100) comprises the steps of providing (110) simulation data (SD) comprising a plurality of simulation signals and providing (110) reference data (RD) comprising a plurality of reference signals, where the simulation signals and the reference signals are multi-dimensional signals, at least two-dimensional signals, and determining (120) a score map (S) between a first probability distribution comprising the simulation data (SD) and a second probability distribution comprising the reference data (RD) using a Wasserstein metric, wherein determining the score map comprises: creating (120-1) a score matrix (s) based on the simulation signal and the reference signal; converting (120-2) the score matrix (s) into a cost matrix; calculating (120-3) an optimal transmission cost of the cost matrix, and converting (120-4) the optimal transmission cost into a score plot (S).

Description

technical field [0001] The present disclosure relates to a computer-implemented method for validating simulation data of a simulation model of an engineering system. [0002] Other embodiments relate to computer programs and / or devices for performing the method. [0003] Further embodiments relate to the use of computer-implemented methods and / or computer programs and / or devices, especially in the development of engineering systems, for validating simulation models of engineering systems, in particular software, hardware or embedded systems. Background technique [0004] In order to validate a simulation model, reference data are usually collected at specific points in the parameter space of the simulation model - so-called verification points. The reference data usually come from real verification experiments or from simulation runs of high-precision reference models. The so-called model error, the real scalar variable showing the deviation between the simulated model and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20
CPCG06F30/20G06F17/18G06F17/16G06N7/01
Inventor P·瓦斯J·范凯勒J·施密特
Owner ROBERT BOSCH GMBH
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