Research on Automatic Control Technology of Earth Pressure for Shield Tunneling Machine Based on NSGA-Ⅱ
Aiming at the shortcomings of traditional soil pressure control methods,a multi-objective optimal control strategy based on Non-dominated Sorting Genetic Algorithms Ⅱ(NSGA-Ⅱ)is proposed.The strategy comprehensively considers several targets such as earth pressure tracking performance and cutterhead torque fluctuation,realizes online parameter optimization through adaptive genetic algorithm,and integrates intelligent sensing,real-time regulation and other functional modules to build a highly intelligent automatic control system.The simulation results show that the proposed control strategy can effectively improve the control accuracy of earth pressure and suppress the torque fluctuation,which provides a new solution for intelligent shield construction.
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