Parameters Calibration for Medium Hydraulic Excavator Simulation Model Based on Experimental Data

An Lin Wang; Shi Ning Shi; Jun Huang

doi:10.4028/www.scientific.net/AMR.706-708.1483

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 706-708Parameters Calibration for Medium Hydraulic...

Parameters Calibration for Medium Hydraulic Excavator Simulation Model Based on Experimental Data

Abstract:

The authenticity and reasonability of the medium hydraulic excavator simulation model parameters was the foundation to ensure the effectiveness of the simulation model. Based on the bond graph theory, a dynamic simulation model of a medium excavator was established. By the comparison of experimental data and simulation data, the response surface of unknown parameters and the error function of the system model were built. Subsequently, the genetic algorithm was employed to optimize the response surface and obtained optimal value. And then the calibration of the unknown parameters was automatically completed. It was proved that the model simulation curve and with experimental curve fitted better when response surface-genetic algorithm method was used for automatic optimization and calibration of unknown parameters. Furthermore, this method could also function to reduce effectively the number of trials of parameter calibration.

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Periodical:

Advanced Materials Research (Volumes 706-708)

Pages:

1483-1491

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.706-708.1483

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Online since:

June 2013

Authors:

An Lin Wang, Shi Ning Shi, Jun Huang

Keywords:

Bond Graph Theory, Excavator Simulation Model, Genetic Algorithm (GA), Parameter Calibration, Response Surface Methodology (RSM)

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