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.

Analysis of the Drive Torque for the Spiral Pipe Section of an Earth Pressure Balanced Shield Tunnel Screw Conveyor

“…Hou (2017) [3] introduced two installation schemes for the screw shaft sliding bearing of the shield machine screw conveyor, and gave an engineering case. Li (2018) [4] introduced and analyzed the remanufacturing process of Herrenknecht 6280 series EPB shield screw conveyor in more detail, and formed a set of EPB shield screw conveyor remanufacturing technology. Hu (2019) [5] analyzed the working process of EPB shield excavation and soil discharge system, and gave the design basis and parameter calculation equation of the muck discharge system.…”