Method and system for evaluation of ship performance
AssigneeABB Technology AG
InventorKalevi Tervo
Life of this patent
Estimating the term…
Abstract
A computer-implemented method and a system are disclosed for evaluation of the performance of a ship. Performance variables of a ship and dynamic input parameters that affect the performance variables are defined. The dependencies between the performance variables and the dynamic input parameters are then learned automatically to provide an initial model for simulating the performance. The initial model is updated to be used as the model in further operation and further updating the model until the model meets preset quality criteria for a model to be used.
Claims20
A computer-implemented method for evaluation of performance of a ship, the method comprising:
- a) defining one or more performance variables of a ship and dynamic input parameters that affect the performance variables;
- b) creating an initial model for simulating performance of the ship based on the performance variables and the dynamic input parameters;
- c) obtaining measurement results from sensors during operation of the ship for producing a set of new dynamic input parameters;
- d) automatically learning dependencies between the performance variables and the dynamic input parameters;
- e) updating the model to be used in further operation until the updated model meets preset quality criteria;
- and
- f) using the updated model to analyze an impact of an input parameter to a performance variable.
A system in a chip for evaluation of performance of a ship, the system comprising:
- a) a processor unit having a stored computer model for simulating performance of a ship based on one or more performance variables of a ship, and for receiving dynamic input parameters that affect the performance variables, the processor unit being configured for, during operation:
- automatically learning dependencies between the performance variables and the dynamic input parameters, and having an input for continuously obtaining measurement results during the operation of the ship;
- and
- using measurement results for producing sets of new dynamic input parameters to be used in the model instead of input parameters used earlier in the model;
- updating the model to be used as an updated model in further operation and further updating the model until the updated model meets preset quality criteria;
- and
- analyzing an impact of an input parameter to one or more performance variables;
- and
- b) sensors signaling measurement results during operation of a ship to the processor unit.
Computer program product stored in a non-transitory medium of a processor unit in a ship, constituting a model simulating operation of a ship, the model defining one or more performance variables of a ship and dynamic input parameters that affect the performance variables, the computer program being configured to cause the processor unit, upon execution, for performing the functions of:
- automatically learning dependencies between the performance variables and the dynamic input parameters;
- continuously using sets of new dynamic input parameters in the simulation model instead of input parameters used earlier, the new dynamic input parameters being produced from measurement results from sensors during the operation of the ship;
- updating the model until the updated model meets preset quality criteria;
- and
- analyzing an impact of one or more input parameters to one or more performance variables.
Dependencies are inferred from the claim text.