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Solution of aero-engine hardware-in-the-loop simulation test system

Solution of aero-engine hardware-in-the-loop simulation test system

(Summary description)In the design and development phase of aero-engine, the measurement and control system based on real-time simulation computer is often used as the core part of the engine tester to optimize the previous design, this scheme can not only realize the synchronous acquisition and simulation of high precision real-time pressure signal, temperature signal, vibration signal, speed signal, incremental encoder signal, thermocouple signal, switch signal, RVDT/LVDT signal, etc. , the on-site electro-hydraulic Servo Valve, electric converter, flow control valve and on-off solenoid valve are regulated and controlled by means of scale transformation, filter processing and engine mathematical model calculation in the controller, and through communication with each field motor frequency converter real-time control, data interaction, and output temperature, speed, vibration, differential pressure and other simulation signals to the engine control unit, to achieve the system’s closed-loop control.

Solution of aero-engine hardware-in-the-loop simulation test system

(Summary description)In the design and development phase of aero-engine, the measurement and control system based on real-time simulation computer is often used as the core part of the engine tester to optimize the previous design, this scheme can not only realize the synchronous acquisition and simulation of high precision real-time pressure signal, temperature signal, vibration signal, speed signal, incremental encoder signal, thermocouple signal, switch signal, RVDT/LVDT signal, etc. , the on-site electro-hydraulic Servo Valve, electric converter, flow control valve and on-off solenoid valve are regulated and controlled by means of scale transformation, filter processing and engine mathematical model calculation in the controller, and through communication with each field motor frequency converter real-time control, data interaction, and output temperature, speed, vibration, differential pressure and other simulation signals to the engine control unit, to achieve the system’s closed-loop control.

Information

In the design and development phase of aero-engine, the measurement and control system based on real-time simulation computer is often used as the core part of the engine tester to optimize the previous design, this scheme can not only realize the synchronous acquisition and simulation of high precision real-time pressure signal, temperature signal, vibration signal, speed signal, incremental encoder signal, thermocouple signal, switch signal, RVDT/LVDT signal, etc. , the on-site electro-hydraulic Servo Valve, electric converter, flow control valve and on-off solenoid valve are regulated and controlled by means of scale transformation, filter processing and engine mathematical model calculation in the controller, and through communication with each field motor frequency converter real-time control, data interaction, and output temperature, speed, vibration, differential pressure and other simulation signals to the engine control unit, to achieve the system’s closed-loop control.

  

 

 One of the main functions of the engine test and control simulation system is to solve the engine mathematical model in real time, and it can support the joint simulation of the model developed by using several programming languages (Matlab/simulink, C/C + + , Fortran, etc.) in the same project, and provide real-time modification parameter function. The simulation task can be loaded to any CPU in the simulation process, and the subsystem model can run at multiple rates. The system events can be monitored during the simulation process to ensure the certainty and predictability of the simulation task.

The FADEC simulation test system designed and developed by FADEC uses the mature and reliable real-time Simulation Code and block diagram model developed by parallel computing, which has nearly 50 years’experience in real-time system development, a hardware-in-the-loop simulation test system, which can select a variety of precision, characteristics and number of channels, is configured with a hardware-in-the-loop test system composed of an input-output board card connected with real engine components and sensors through an external custom terminal or air plug interface, used to help simulation and developers connect the engine control system to a virtual environment very close to the prototype or test-bed conditions for testing, this method greatly reduces the cost and risk of early research and development, and can effectively improve the use of test resources and human resources efficiency.

  

Category: Electronic System Simulation

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