Smooth tilting motion control of a train using two hydraulic actuators

A hydraulic actuation system for a tilting train is usually composed of independent actuators to remove position errors due to bulk modulus of the hydraulic system. For the hydraulic control system using two independent cylinders, this paper presents the modeling of the hydraulic system, control logic, and simulation results of the hydraulic control system. Simulation results for motion responses of two cylinders using position commands calculated from tilting angles show the validity of the proposed hydraulic two-actuator system.