HIL Simulation of Aircraft Thrust Reverser Hydraulic System in Modelica

This article describes a solution to create a hardwarein-the-loop (HIL) simulation system of civil aircraft thrust reverser with Modelica-based simulation platform -MWorks in Windows system. The HIL system uses simulation platform “MWorks” to model and simulate the thrust reverser hydraulic system, and takes hardware -PLC’s output signals as the inputs of the simulation. Modeling module, communication module, solving module, animation module and HIL control module are included in the simulation platform, whose key technology and implementation details are specified. The HIL system has been successfully applied to the simulation of ARJ21 aircraft thrust reverser hydraulic system. It can simulate the hydraulic system in normal status, fault status as well as other working conditions to verify control logic and evaluate key performance of the system, thereby helping to reduce the cost of experiments and to optimize the design of the system.