Parameters Test For The Aircraft Power Supply System Based On Personal Computer And Software Engineering

With the development of instrument science, instruments are getting more intelligent. The technology of virtual instrument is a new technique in the field of electronic test and measurement. Depend on this technology, this thesis puts a roundly study in parameters test for the Aircraft Power Supply system based on personal computer and software engineering.In the thesis, many kinds of parameters data processing hardware design are studied in theory. The exact and magnify hardware circuit is completed and validated in some experiments. The 0-10mV & 0-100mV input V-V convert exact and magnify circuit is completed. The 4-20mA output V-I current-convert circuit is researched to satisfy IEC-381.The driving, data acquisition, and data processing of DAQ based on ISA bus are realized. And signal generator simulates the input signals to validate.Data pre-processing, digital filter with window function, and Lagrange equations smooth curve are programmed by software in the thesis. The aircraft power supply parameters are designed by software in details.In windows 2000/98 operating system , a multitasking and complex test software system is exploited with Visual C++ 6.0 based on the OOD program technology in which the hardware's driving, data acquisition, data processing, and friendly interface are realized; Some debug technology in software project is also introduced in the thesis.