Model Error Analysis of Load Simulator System

The load simulator is the main semi-physical simulation equipment to detect the performance of the steering gear. Linear models or black box models are often used in load simulator modeling, but the modeling error needs to be further analyzed due to its prominent nonlinear and strong coupling charac...

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Bibliographic Details
Published in:Journal of physics. Conference series 2020-11, Vol.1676 (1), p.12216
Main Authors: Zheng, Yanbin, Yu, Zhenglin, Ma, Guo Qing
Format: Article
Language:English
Subjects:
Artificial neural networks
Control systems design
Electric power distribution
Electrical loads
Error analysis
Mathematical models
Modelling
Physical simulation
Physics
Power spectral density
Simulation
State estimation
Steering
System identification
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Summary:The load simulator is the main semi-physical simulation equipment to detect the performance of the steering gear. Linear models or black box models are often used in load simulator modeling, but the modeling error needs to be further analyzed due to its prominent nonlinear and strong coupling characteristics. In this paper, the semi-physical simulation platform of the electric load simulator was built, and a linear model and a system identification model based on Artificial Neural Network (ANN) were established respectively. The error characteristics of the above models were further analyzed by statistical distribution and power spectral density. The research results can provide support for the controller design and the selection of state estimation method.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1676/1/012216