Review on Modeling Control System of Earth Pressure Balance Shield Machine

Abstract:

Analysis and design cannot be solved until a proper model of hydraulic control system of earth pressure balance shield machine is built. There are two kinds of modeling methods in common use. (1) Dynamic mathematical modeling. Two models, transfer function and state space, are mainly included. For linear system, the two methods can be provided with a fairly complete theoretical framework. However, if the system is in the complicated working environment or it is non-linear, the modeling process needs a mass of mathematical verification. This has become a limitation for application of these methods; (2) Graphical Modeling. It is more direct for the complex hydraulic control system of earth pressure balance shield machine. First, the main components are separately modeled. Then connect them according to the flow direction of signal. Some special software, such as AMESim, can be used to simplify the simulation process.

• Periodical: Advanced Materials Research (Volumes 181-182)
• Pages: 389-394
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.181-182.389
• Online since: January 2011
• Authors: Hua Peng Li, Dong Wang, Jian Hui Xi, Yi Bo Li
• Keywords: AMEsim, Hydraulic System, Modeling, Shield Machine

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