Research On Embedded Intelligent Controller

The embedded system is the combination of computer technology, semiconductor technology, electronic technology and their applications in specific fields. The embedded system is a technology intensive and continuously innovative integrated system. Now, the level of automation and "intelligence" is relatively low in modern equipment manufacturing and industrial control systems. It's urgent to apply embedded system technology to the technical renovations of equipments, which contributes to technical innovation and enterprise development.Based on advanced control strategies and embedded real time operating systems, the thesis presents the design and application of an embedded intelligent controller. Using the intelligent controller will greatly improve the level of digital and information technology of the system. The main contributions of the thesis include:(1) The applications, characteristics and development of embedded system technology, and the development of common control strategies in control engineering were discussed and analyzed. Solid foundations were laid for the design of the embedded controllers and the realization of intelligent control methods through the analysis of the intelligent control strategies.(2) The real device, the see saw was designed and made based on a thorough understanding of the functions and characteristics of the AVR series microprocessor ATmega16 and AVRX embedded real time operating systems. After design of the PCB board drawing with Protel and the controller tuning for the water seesaw with nonlinear characteristics, the hardware of the embedded controller was made and completed. This provides the hardware platform of the embedded real time operating system and the running of the applications.(3) The core functions of the AVRX real time operating system were analyzed, cut and transplanted to the ATmega 16 Processor. C source code was written for the fuzzy PID control method and GCC compiler was used for compile and program debugging. The target code was downloaded to the embedded controller and the software design of the embedded intelligent controller was completed.(4) Experiments under different initial conditions and disturbances were conducted using the embedded intelligent controller. The experiment results show that the embedded controller could achieve rapid balance control of the water seesaw, and have better control performance than traditional PID controlles.