| Experiment is playing an important role in cultivating high quality students majoring in Mechatronical Engineering. Now it was becoming one of the restrict reasons in cultivating high quality students who not only have stable theory foundation but also have strong practice ability. With the development of Electronics,Cybernetics and Computer Science, Mechatronics also made many large progresses. The society is in great need of the students with a good grasp of mechatronical technologies, which drives our country to emphasize on such students'cultivation.This paper made an analysis of the development of mechatronical technologies and the teaching status of Mechatronical Engineering. On this base, it put forwards an opening experimental teaching system based on DSP.Firstly, according to the development of mechatronical technologies and the conditions on lacking for experimental teaching equipments, based on the successful experience of designing HJD series teaching experimental products, this paper brought forward the design way of this DSP opening experimental teaching system and designed the general structure.Secondly, this paper carried out a research on the control modules of the system. It described the design ideas and the methods in great detail on input module,output module,serial communication module,AC transducer module and step motor driver module etc.Thirdly, this paper studied the principle of communication between DSP and PC. Took the manufacture center's selecting tool and exchanging tool experiment as an example, it explained carefully the principle and the method of serial communication, such as the definition of the communication,program of DSP and program of PC and so on. Additionally, it took several mechatronical experiments as examples to show the function of the system. It gave the primary information and the methods of designing the program.At last, it analyzed the disadvantages of this system and brought forward the direction of study in future.
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