Research On Design Technology Of Engine Control System Based On LabVIEW

With the development of the aero-engine technology, functions and complexity of the controlsystem increased dramatically. It has been becoming a mainstream trend using simulation and rapidcontrol prototyping technologies in the design process of advanced engine control systems.In this thesis, LabVIEW is taken as a design platform to carry out the simulation and rapid controlprototyping design around the aero-engine control system. Firstly, the interface methods between Ccode model and the LabVIEW development environment were studied and real-time simulation of anaero-engine model was realized; then with the help of CompactRIO hardware platform, a rapidprototyping of an aero-engine controller was developed. With the rapid prototyping controller and anaero-engine model, the hardware-in-the-loop simulations were carried out to validate the closed-loopcontrol ability of the fuel needle position and engine speed.Aiming at the requirements of high-frequency response in active-control-technology for futureengine control, super-fast prototyping controller was developed based on CompactRIO/FPGA. With afast response model with a bandwidth of approximately300Hz as controlled object, ultra-fastclosed-loop control of20microseconds step-size was realized through the hardware-in-the-loopsimulation of the controller prototype designed, and verified the effectiveness of the controller.The research results show that we can realize high performance complex controller rapid prototypedesign and carry out real-time simulation test research through the LabVIEW platform. LabVIEWplatform provides a cost and efficient way for the engine control system design.