Study And Design On The Control Software Of Advanced Airplane Power Distribute System

The power distribution system for advanced airplanes is a mixed-mode power system, which applies a new technology called Electrical Multiplexing. This system uses the means of distributing control and concentrating management. The Remote Terminal(RT) controls electrical loads, meanwhile the Power System Processor(PSP) controls the whole electrical system. This power distribution system realizes effectively load automatic management.This dissertation analyses and designs this system's control software in detail. Besides fulfilling the essential function of PSP, electrical load equation database is added. Perfecting and improving the real-time database's function is also introduced in this dissertation, which solves the problem of system's reconfiguration when it is in fault.The development of software is based on the Operation System of Windows, and uses the Microsoft's Visual C++ development kit. Multithreading and message drive mechanism is applied to simulate the intercurrent and schedule of the multitask in power distribution system, which builds the foundation of the development based on real-time operation of the project. At the same time, the software deals with the real-time data by the means of memory database and uses the thread security class to maintain the data's integrity.The reliability and stability of the software is remarkable. It can realize the simulation and test of the ground system perfectly.