Research And Implementation Of Engine Vibration Measuring Instrument Based On ARM And Linux Environment

Nowadays, with the fast development of network and digital information technology, embedded system has a broad application in the field of science research, engineering design, military technology, industry and commerce, as well as people's everyday life. Represented with ARM, advanced-performance micro processor is pushing forwards the embedded system to the era 32-bits processor. Although a variety of ARM products are seen here and there, they are mainly exploited on Windows platform currently.In this paper, an ARM-based embedded system for the vibration measurement of aero engine is researched with the background of a practical vibration measurement project. The target of the project is not only for industrial application, but also for the research of a new ARM exploitation platform-Linux. In this paper, the background and requirement of customer is introduced, and the hardware design of the system based on ARM processor and ICP vibration sensor is accomplished. The built of ARM compile system with Linux platform is investigated, and the approach of ARM Flash burner program named Bflash based on JTAG technology is elaborated in detail.The process of ARM-based embedded software developed in Linux GCC environment is represented, including the construction of physical boot framework, the built of LCD function library and the method of measurement with digital signal process technology. Besides, to facilitate the supervision of the working status of this vibration measurement system, the supervising program with multithreading technology based on Windows platform is designed.In the end, the summary and prospect for the vibration measurement system is given in this paper.